diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display')
26 files changed, 4498 insertions, 4675 deletions
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index 16bb21ad898b..5a957acebfd6 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -13,6 +13,7 @@ #include "intel_connector.h" #include "intel_crtc.h" #include "intel_de.h" +#include "intel_display_power.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_link_training.h" @@ -1375,7 +1376,7 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, dig_port->max_lanes = 4; intel_encoder->type = INTEL_OUTPUT_DP; - intel_encoder->power_domain = intel_port_to_power_domain(port); + intel_encoder->power_domain = intel_display_power_ddi_lanes_domain(dev_priv, port); if (IS_CHERRYVIEW(dev_priv)) { if (port == PORT_D) intel_encoder->pipe_mask = BIT(PIPE_C); diff --git a/drivers/gpu/drm/i915/display/g4x_hdmi.c b/drivers/gpu/drm/i915/display/g4x_hdmi.c index 8bfef08b7c43..5fbd2ae95869 100644 --- a/drivers/gpu/drm/i915/display/g4x_hdmi.c +++ b/drivers/gpu/drm/i915/display/g4x_hdmi.c @@ -10,6 +10,7 @@ #include "intel_connector.h" #include "intel_crtc.h" #include "intel_de.h" +#include "intel_display_power.h" #include "intel_display_types.h" #include "intel_dpio_phy.h" #include "intel_fifo_underrun.h" @@ -574,7 +575,7 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv, intel_encoder->shutdown = intel_hdmi_encoder_shutdown; intel_encoder->type = INTEL_OUTPUT_HDMI; - intel_encoder->power_domain = intel_port_to_power_domain(port); + intel_encoder->power_domain = intel_display_power_ddi_lanes_domain(dev_priv, port); intel_encoder->port = port; if (IS_CHERRYVIEW(dev_priv)) { if (port == PORT_D) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index d1abd00d4f4d..19bf717fd4cb 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -400,8 +400,8 @@ static void get_dsi_io_power_domains(struct drm_i915_private *dev_priv, intel_dsi->io_wakeref[port] = intel_display_power_get(dev_priv, port == PORT_A ? - POWER_DOMAIN_PORT_DDI_A_IO : - POWER_DOMAIN_PORT_DDI_B_IO); + POWER_DOMAIN_PORT_DDI_IO_A : + POWER_DOMAIN_PORT_DDI_IO_B); } } @@ -1426,8 +1426,8 @@ static void gen11_dsi_disable_io_power(struct intel_encoder *encoder) wakeref = fetch_and_zero(&intel_dsi->io_wakeref[port]); intel_display_power_put(dev_priv, port == PORT_A ? - POWER_DOMAIN_PORT_DDI_A_IO : - POWER_DOMAIN_PORT_DDI_B_IO, + POWER_DOMAIN_PORT_DDI_IO_A : + POWER_DOMAIN_PORT_DDI_IO_B, wakeref); } diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 81949c36ab96..0c5638f5b72b 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -186,10 +186,14 @@ static const struct { .min_size = sizeof(struct bdb_edp), }, { .section_id = BDB_LVDS_OPTIONS, .min_size = sizeof(struct bdb_lvds_options), }, + /* + * BDB_LVDS_LFP_DATA depends on BDB_LVDS_LFP_DATA_PTRS, + * so keep the two ordered. + */ { .section_id = BDB_LVDS_LFP_DATA_PTRS, .min_size = sizeof(struct bdb_lvds_lfp_data_ptrs), }, { .section_id = BDB_LVDS_LFP_DATA, - .min_size = sizeof(struct bdb_lvds_lfp_data), }, + .min_size = 0, /* special case */ }, { .section_id = BDB_LVDS_BACKLIGHT, .min_size = sizeof(struct bdb_lfp_backlight_data), }, { .section_id = BDB_LFP_POWER, @@ -204,6 +208,23 @@ static const struct { .min_size = sizeof(struct bdb_generic_dtd), }, }; +static size_t lfp_data_min_size(struct drm_i915_private *i915) +{ + const struct bdb_lvds_lfp_data_ptrs *ptrs; + size_t size; + + ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); + if (!ptrs) + return 0; + + size = sizeof(struct bdb_lvds_lfp_data); + if (ptrs->panel_name.table_size) + size = max(size, ptrs->panel_name.offset + + sizeof(struct bdb_lvds_lfp_data_tail)); + + return size; +} + static bool validate_lfp_data_ptrs(const void *bdb, const struct bdb_lvds_lfp_data_ptrs *ptrs) { @@ -311,16 +332,144 @@ static bool fixup_lfp_data_ptrs(const void *bdb, void *ptrs_block) return validate_lfp_data_ptrs(bdb, ptrs); } +static const void *find_fp_timing_terminator(const u8 *data, int size) +{ + int i; + + for (i = 0; i < size - 1; i++) { + if (data[i] == 0xff && data[i+1] == 0xff) + return &data[i]; + } + + return NULL; +} + +static int make_lfp_data_ptr(struct lvds_lfp_data_ptr_table *table, + int table_size, int total_size) +{ + if (total_size < table_size) + return total_size; + + table->table_size = table_size; + table->offset = total_size - table_size; + + return total_size - table_size; +} + +static void next_lfp_data_ptr(struct lvds_lfp_data_ptr_table *next, + const struct lvds_lfp_data_ptr_table *prev, + int size) +{ + next->table_size = prev->table_size; + next->offset = prev->offset + size; +} + +static void *generate_lfp_data_ptrs(struct drm_i915_private *i915, + const void *bdb) +{ + int i, size, table_size, block_size, offset; + const void *t0, *t1, *block; + struct bdb_lvds_lfp_data_ptrs *ptrs; + void *ptrs_block; + + block = find_raw_section(bdb, BDB_LVDS_LFP_DATA); + if (!block) + return NULL; + + drm_dbg_kms(&i915->drm, "Generating LFP data table pointers\n"); + + block_size = get_blocksize(block); + + size = block_size; + t0 = find_fp_timing_terminator(block, size); + if (!t0) + return NULL; + + size -= t0 - block - 2; + t1 = find_fp_timing_terminator(t0 + 2, size); + if (!t1) + return NULL; + + size = t1 - t0; + if (size * 16 > block_size) + return NULL; + + ptrs_block = kzalloc(sizeof(*ptrs) + 3, GFP_KERNEL); + if (!ptrs_block) + return NULL; + + *(u8 *)(ptrs_block + 0) = BDB_LVDS_LFP_DATA_PTRS; + *(u16 *)(ptrs_block + 1) = sizeof(*ptrs); + ptrs = ptrs_block + 3; + + table_size = sizeof(struct lvds_pnp_id); + size = make_lfp_data_ptr(&ptrs->ptr[0].panel_pnp_id, table_size, size); + + table_size = sizeof(struct lvds_dvo_timing); + size = make_lfp_data_ptr(&ptrs->ptr[0].dvo_timing, table_size, size); + + table_size = t0 - block + 2; + size = make_lfp_data_ptr(&ptrs->ptr[0].fp_timing, table_size, size); + + if (ptrs->ptr[0].fp_timing.table_size) + ptrs->lvds_entries++; + if (ptrs->ptr[0].dvo_timing.table_size) + ptrs->lvds_entries++; + if (ptrs->ptr[0].panel_pnp_id.table_size) + ptrs->lvds_entries++; + + if (size != 0 || ptrs->lvds_entries != 3) { + kfree(ptrs); + return NULL; + } + + size = t1 - t0; + for (i = 1; i < 16; i++) { + next_lfp_data_ptr(&ptrs->ptr[i].fp_timing, &ptrs->ptr[i-1].fp_timing, size); + next_lfp_data_ptr(&ptrs->ptr[i].dvo_timing, &ptrs->ptr[i-1].dvo_timing, size); + next_lfp_data_ptr(&ptrs->ptr[i].panel_pnp_id, &ptrs->ptr[i-1].panel_pnp_id, size); + } + + size = t1 - t0; + table_size = sizeof(struct lvds_lfp_panel_name); + + if (16 * (size + table_size) <= block_size) { + ptrs->panel_name.table_size = table_size; + ptrs->panel_name.offset = size * 16; + } + + offset = block - bdb; + + for (i = 0; i < 16; i++) { + ptrs->ptr[i].fp_timing.offset += offset; + ptrs->ptr[i].dvo_timing.offset += offset; + ptrs->ptr[i].panel_pnp_id.offset += offset; + } + + if (ptrs->panel_name.table_size) + ptrs->panel_name.offset += offset; + + return ptrs_block; +} + static void init_bdb_block(struct drm_i915_private *i915, const void *bdb, enum bdb_block_id section_id, size_t min_size) { struct bdb_block_entry *entry; + void *temp_block = NULL; const void *block; size_t block_size; block = find_raw_section(bdb, section_id); + + /* Modern VBTs lack the LFP data table pointers block, make one up */ + if (!block && section_id == BDB_LVDS_LFP_DATA_PTRS) { + temp_block = generate_lfp_data_ptrs(i915, bdb); + if (temp_block) + block = temp_block + 3; + } if (!block) return; @@ -331,12 +480,16 @@ init_bdb_block(struct drm_i915_private *i915, entry = kzalloc(struct_size(entry, data, max(min_size, block_size) + 3), GFP_KERNEL); - if (!entry) + if (!entry) { + kfree(temp_block); return; + } entry->section_id = section_id; memcpy(entry->data, block - 3, block_size + 3); + kfree(temp_block); + drm_dbg_kms(&i915->drm, "Found BDB block %d (size %zu, min size %zu)\n", section_id, block_size, min_size); @@ -359,6 +512,9 @@ static void init_bdb_blocks(struct drm_i915_private *i915, enum bdb_block_id section_id = bdb_blocks[i].section_id; size_t min_size = bdb_blocks[i].min_size; + if (section_id == BDB_LVDS_LFP_DATA) + min_size = lfp_data_min_size(i915); + init_bdb_block(i915, bdb, section_id, min_size); } } @@ -429,6 +585,94 @@ get_lvds_fp_timing(const struct bdb_lvds_lfp_data *data, return (const void *)data + ptrs->ptr[index].fp_timing.offset; } +static const struct bdb_lvds_lfp_data_tail * +get_lfp_data_tail(const struct bdb_lvds_lfp_data *data, + const struct bdb_lvds_lfp_data_ptrs *ptrs) +{ + if (ptrs->panel_name.table_size) + return (const void *)data + ptrs->panel_name.offset; + else + return NULL; +} + +static int opregion_get_panel_type(struct drm_i915_private *i915) +{ + return intel_opregion_get_panel_type(i915); +} + +static int vbt_get_panel_type(struct drm_i915_private *i915) +{ + const struct bdb_lvds_options *lvds_options; + + lvds_options = find_section(i915, BDB_LVDS_OPTIONS); + if (!lvds_options) + return -1; + + if (lvds_options->panel_type > 0xf) { + drm_dbg_kms(&i915->drm, "Invalid VBT panel type 0x%x\n", + lvds_options->panel_type); + return -1; + } + + return lvds_options->panel_type; +} + +static int fallback_get_panel_type(struct drm_i915_private *i915) +{ + return 0; +} + +enum panel_type { + PANEL_TYPE_OPREGION, + PANEL_TYPE_VBT, + PANEL_TYPE_FALLBACK, +}; + +static int get_panel_type(struct drm_i915_private *i915) +{ + struct { + const char *name; + int (*get_panel_type)(struct drm_i915_private *i915); + int panel_type; + } panel_types[] = { + [PANEL_TYPE_OPREGION] = { + .name = "OpRegion", + .get_panel_type = opregion_get_panel_type, + }, + [PANEL_TYPE_VBT] = { + .name = "VBT", + .get_panel_type = vbt_get_panel_type, + }, + [PANEL_TYPE_FALLBACK] = { + .name = "fallback", + .get_panel_type = fallback_get_panel_type, + }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(panel_types); i++) { + panel_types[i].panel_type = panel_types[i].get_panel_type(i915); + + drm_WARN_ON(&i915->drm, panel_types[i].panel_type > 0xf); + + if (panel_types[i].panel_type >= 0) + drm_dbg_kms(&i915->drm, "Panel type (%s): %d\n", + panel_types[i].name, panel_types[i].panel_type); + } + + if (panel_types[PANEL_TYPE_OPREGION].panel_type >= 0) + i = PANEL_TYPE_OPREGION; + else if (panel_types[PANEL_TYPE_VBT].panel_type >= 0) + i = PANEL_TYPE_VBT; + else + i = PANEL_TYPE_FALLBACK; + + drm_dbg_kms(&i915->drm, "Selected panel type (%s): %d\n", + panel_types[i].name, panel_types[i].panel_type); + + return panel_types[i].panel_type; +} + /* Parse general panel options */ static void parse_panel_options(struct drm_i915_private *i915) @@ -436,7 +680,6 @@ parse_panel_options(struct drm_i915_private *i915) const struct bdb_lvds_options *lvds_options; int panel_type; int drrs_mode; - int ret; lvds_options = find_section(i915, BDB_LVDS_OPTIONS); if (!lvds_options) @@ -444,23 +687,7 @@ parse_panel_options(struct drm_i915_private *i915) i915->vbt.lvds_dither = lvds_options->pixel_dither; - ret = intel_opregion_get_panel_type(i915); - if (ret >= 0) { - drm_WARN_ON(&i915->drm, ret > 0xf); - panel_type = ret; - drm_dbg_kms(&i915->drm, "Panel type: %d (OpRegion)\n", - panel_type); - } else { - if (lvds_options->panel_type > 0xf) { - drm_dbg_kms(&i915->drm, - "Invalid VBT panel type 0x%x\n", - lvds_options->panel_type); - return; - } - panel_type = lvds_options->panel_type; - drm_dbg_kms(&i915->drm, "Panel type: %d (VBT)\n", - panel_type); - } + panel_type = get_panel_type(i915); i915->vbt.panel_type = panel_type; @@ -489,25 +716,16 @@ parse_panel_options(struct drm_i915_private *i915) } } -/* Try to find integrated panel timing data */ static void -parse_lfp_panel_dtd(struct drm_i915_private *i915) +parse_lfp_panel_dtd(struct drm_i915_private *i915, + const struct bdb_lvds_lfp_data *lvds_lfp_data, + const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs) { - const struct bdb_lvds_lfp_data *lvds_lfp_data; - const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs; const struct lvds_dvo_timing *panel_dvo_timing; const struct lvds_fp_timing *fp_timing; struct drm_display_mode *panel_fixed_mode; int panel_type = i915->vbt.panel_type; - lvds_lfp_data = find_section(i915, BDB_LVDS_LFP_DATA); - if (!lvds_lfp_data) - return; - - lvds_lfp_data_ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); - if (!lvds_lfp_data_ptrs) - return; - panel_dvo_timing = get_lvds_dvo_timing(lvds_lfp_data, lvds_lfp_data_ptrs, panel_type); @@ -539,6 +757,38 @@ parse_lfp_panel_dtd(struct drm_i915_private *i915) } static void +parse_lfp_data(struct drm_i915_private *i915) +{ + const struct bdb_lvds_lfp_data *data; + const struct bdb_lvds_lfp_data_tail *tail; + const struct bdb_lvds_lfp_data_ptrs *ptrs; + int panel_type = i915->vbt.panel_type; + + ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); + if (!ptrs) + return; + + data = find_section(i915, BDB_LVDS_LFP_DATA); + if (!data) + return; + + if (!i915->vbt.lfp_lvds_vbt_mode) + parse_lfp_panel_dtd(i915, data, ptrs); + + tail = get_lfp_data_tail(data, ptrs); + if (!tail) + return; + + if (i915->vbt.version >= 188) { + i915->vbt.seamless_drrs_min_refresh_rate = + tail->seamless_drrs_min_refresh_rate[panel_type]; + drm_dbg_kms(&i915->drm, + "Seamless DRRS min refresh rate: %d Hz\n", + i915->vbt.seamless_drrs_min_refresh_rate); + } +} + +static void parse_generic_dtd(struct drm_i915_private *i915) { const struct bdb_generic_dtd *generic_dtd; @@ -546,6 +796,17 @@ parse_generic_dtd(struct drm_i915_private *i915) struct drm_display_mode *panel_fixed_mode; int num_dtd; + /* + * Older VBTs provided DTD information for internal displays through + * the "LFP panel tables" block (42). As of VBT revision 229 the + * DTD information should be provided via a newer "generic DTD" + * block (58). Just to be safe, we'll try the new generic DTD block + * first on VBT >= 229, but still fall back to trying the old LFP + * block if that fails. + */ + if (i915->vbt.version < 229) + return; + generic_dtd = find_section(i915, BDB_GENERIC_DTD); if (!generic_dtd) return; @@ -617,23 +878,6 @@ parse_generic_dtd(struct drm_i915_private *i915) } static void -parse_panel_dtd(struct drm_i915_private *i915) -{ - /* - * Older VBTs provided provided DTD information for internal displays - * through the "LFP panel DTD" block (42). As of VBT revision 229, - * that block is now deprecated and DTD information should be provided - * via a newer "generic DTD" block (58). Just to be safe, we'll - * try the new generic DTD block first on VBT >= 229, but still fall - * back to trying the old LFP block if that fails. - */ - if (i915->vbt.version >= 229) - parse_generic_dtd(i915); - if (!i915->vbt.lfp_lvds_vbt_mode) - parse_lfp_panel_dtd(i915); -} - -static void parse_lfp_backlight(struct drm_i915_private *i915) { const struct bdb_lfp_backlight_data *backlight_data; @@ -2709,7 +2953,8 @@ void intel_bios_init(struct drm_i915_private *i915) parse_general_features(i915); parse_general_definitions(i915); parse_panel_options(i915); - parse_panel_dtd(i915); + parse_generic_dtd(i915); + parse_lfp_data(i915); parse_lfp_backlight(i915); parse_sdvo_panel_data(i915); parse_driver_features(i915); diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index dd02afaac43f..9e6fa59eabba 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -40,6 +40,7 @@ #include "intel_ddi.h" #include "intel_ddi_buf_trans.h" #include "intel_de.h" +#include "intel_display_power.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_link_training.h" @@ -4364,7 +4365,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) encoder->get_power_domains = intel_ddi_get_power_domains; encoder->type = INTEL_OUTPUT_DDI; - encoder->power_domain = intel_port_to_power_domain(port); + encoder->power_domain = intel_display_power_ddi_lanes_domain(dev_priv, port); encoder->port = port; encoder->cloneable = 0; encoder->pipe_mask = ~0; @@ -4492,8 +4493,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) } drm_WARN_ON(&dev_priv->drm, port > PORT_I); - dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_A_IO + - port - PORT_A; + dig_port->ddi_io_power_domain = intel_display_power_ddi_io_domain(dev_priv, port); if (init_dp) { if (!intel_ddi_init_dp_connector(dig_port)) diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c index 94e64661b4fd..85f58dd3df72 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c @@ -1673,7 +1673,9 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder) encoder->get_buf_trans = skl_get_buf_trans; } else if (IS_BROADWELL(i915)) { encoder->get_buf_trans = bdw_get_buf_trans; - } else { + } else if (IS_HASWELL(i915)) { encoder->get_buf_trans = hsw_get_buf_trans; + } else { + MISSING_CASE(INTEL_INFO(i915)->platform); } } diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 5fab9fb1d2f5..806d50b302ab 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -51,6 +51,7 @@ #include "display/intel_crt.h" #include "display/intel_ddi.h" #include "display/intel_display_debugfs.h" +#include "display/intel_display_power.h" #include "display/intel_dp.h" #include "display/intel_dp_mst.h" #include "display/intel_dpll.h" @@ -2157,153 +2158,82 @@ enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port) return TC_PORT_1 + port - PORT_C; } -enum intel_display_power_domain intel_port_to_power_domain(enum port port) -{ - switch (port) { - case PORT_A: - return POWER_DOMAIN_PORT_DDI_A_LANES; - case PORT_B: - return POWER_DOMAIN_PORT_DDI_B_LANES; - case PORT_C: - return POWER_DOMAIN_PORT_DDI_C_LANES; - case PORT_D: - return POWER_DOMAIN_PORT_DDI_D_LANES; - case PORT_E: - return POWER_DOMAIN_PORT_DDI_E_LANES; - case PORT_F: - return POWER_DOMAIN_PORT_DDI_F_LANES; - case PORT_G: - return POWER_DOMAIN_PORT_DDI_G_LANES; - case PORT_H: - return POWER_DOMAIN_PORT_DDI_H_LANES; - case PORT_I: - return POWER_DOMAIN_PORT_DDI_I_LANES; - default: - MISSING_CASE(port); - return POWER_DOMAIN_PORT_OTHER; - } -} - enum intel_display_power_domain intel_aux_power_domain(struct intel_digital_port *dig_port) { - if (intel_tc_port_in_tbt_alt_mode(dig_port)) { - switch (dig_port->aux_ch) { - case AUX_CH_C: - return POWER_DOMAIN_AUX_C_TBT; - case AUX_CH_D: - return POWER_DOMAIN_AUX_D_TBT; - case AUX_CH_E: - return POWER_DOMAIN_AUX_E_TBT; - case AUX_CH_F: - return POWER_DOMAIN_AUX_F_TBT; - case AUX_CH_G: - return POWER_DOMAIN_AUX_G_TBT; - case AUX_CH_H: - return POWER_DOMAIN_AUX_H_TBT; - case AUX_CH_I: - return POWER_DOMAIN_AUX_I_TBT; - default: - MISSING_CASE(dig_port->aux_ch); - return POWER_DOMAIN_AUX_C_TBT; - } - } + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - return intel_legacy_aux_to_power_domain(dig_port->aux_ch); -} + if (intel_tc_port_in_tbt_alt_mode(dig_port)) + return intel_display_power_tbt_aux_domain(i915, dig_port->aux_ch); -/* - * Converts aux_ch to power_domain without caring about TBT ports for that use - * intel_aux_power_domain() - */ -enum intel_display_power_domain -intel_legacy_aux_to_power_domain(enum aux_ch aux_ch) -{ - switch (aux_ch) { - case AUX_CH_A: - return POWER_DOMAIN_AUX_A; - case AUX_CH_B: - return POWER_DOMAIN_AUX_B; - case AUX_CH_C: - return POWER_DOMAIN_AUX_C; - case AUX_CH_D: - return POWER_DOMAIN_AUX_D; - case AUX_CH_E: - return POWER_DOMAIN_AUX_E; - case AUX_CH_F: - return POWER_DOMAIN_AUX_F; - case AUX_CH_G: - return POWER_DOMAIN_AUX_G; - case AUX_CH_H: - return POWER_DOMAIN_AUX_H; - case AUX_CH_I: - return POWER_DOMAIN_AUX_I; - default: - MISSING_CASE(aux_ch); - return POWER_DOMAIN_AUX_A; - } + return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch); } -static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state) +static void get_crtc_power_domains(struct intel_crtc_state *crtc_state, + struct intel_power_domain_mask *mask) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; struct drm_encoder *encoder; enum pipe pipe = crtc->pipe; - u64 mask; + + bitmap_zero(mask->bits, POWER_DOMAIN_NUM); if (!crtc_state->hw.active) - return 0; + return; - mask = BIT_ULL(POWER_DOMAIN_PIPE(pipe)); - mask |= BIT_ULL(POWER_DOMAIN_TRANSCODER(cpu_transcoder)); + set_bit(POWER_DOMAIN_PIPE(pipe), mask->bits); + set_bit(POWER_DOMAIN_TRANSCODER(cpu_transcoder), mask->bits); if (crtc_state->pch_pfit.enabled || crtc_state->pch_pfit.force_thru) - mask |= BIT_ULL(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); + set_bit(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe), mask->bits); drm_for_each_encoder_mask(encoder, &dev_priv->drm, crtc_state->uapi.encoder_mask) { struct intel_encoder *intel_encoder = to_intel_encoder(encoder); - mask |= BIT_ULL(intel_encoder->power_domain); + set_bit(intel_encoder->power_domain, mask->bits); } if (HAS_DDI(dev_priv) && crtc_state->has_audio) - mask |= BIT_ULL(POWER_DOMAIN_AUDIO_MMIO); + set_bit(POWER_DOMAIN_AUDIO_MMIO, mask->bits); if (crtc_state->shared_dpll) - mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE); + set_bit(POWER_DOMAIN_DISPLAY_CORE, mask->bits); if (crtc_state->dsc.compression_enable) - mask |= BIT_ULL(intel_dsc_power_domain(crtc, cpu_transcoder)); - - return mask; + set_bit(intel_dsc_power_domain(crtc, cpu_transcoder), mask->bits); } -static u64 -modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state) +static void +modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state, + struct intel_power_domain_mask *old_domains) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum intel_display_power_domain domain; - u64 domains, new_domains, old_domains; + struct intel_power_domain_mask domains, new_domains; - domains = get_crtc_power_domains(crtc_state); + get_crtc_power_domains(crtc_state, &domains); - new_domains = domains & ~crtc->enabled_power_domains.mask; - old_domains = crtc->enabled_power_domains.mask & ~domains; + bitmap_andnot(new_domains.bits, + domains.bits, + crtc->enabled_power_domains.mask.bits, + POWER_DOMAIN_NUM); + bitmap_andnot(old_domains->bits, + crtc->enabled_power_domains.mask.bits, + domains.bits, + POWER_DOMAIN_NUM); - for_each_power_domain(domain, new_domains) + for_each_power_domain(domain, &new_domains) intel_display_power_get_in_set(dev_priv, &crtc->enabled_power_domains, domain); - - return old_domains; } static void modeset_put_crtc_power_domains(struct intel_crtc *crtc, - u64 domains) + struct intel_power_domain_mask *domains) { intel_display_power_put_mask_in_set(to_i915(crtc->base.dev), &crtc->enabled_power_domains, @@ -4974,9 +4904,12 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, mode_changed && !crtc_state->hw.active) crtc_state->update_wm_post = true; - if (mode_changed && crtc_state->hw.enable && - !drm_WARN_ON(&dev_priv->drm, crtc_state->shared_dpll)) { - ret = intel_dpll_crtc_compute_clock(crtc_state); + if (mode_changed) { + ret = intel_dpll_crtc_compute_clock(state, crtc); + if (ret) + return ret; + + ret = intel_dpll_crtc_get_shared_dpll(state, crtc); if (ret) return ret; } @@ -6969,8 +6902,9 @@ intel_crtc_update_active_timings(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - struct drm_display_mode adjusted_mode = - crtc_state->hw.adjusted_mode; + struct drm_display_mode adjusted_mode; + + drm_mode_init(&adjusted_mode, &crtc_state->hw.adjusted_mode); if (crtc_state->vrr.enable) { adjusted_mode.crtc_vtotal = crtc_state->vrr.vmax; @@ -7028,14 +6962,10 @@ intel_crtc_update_active_timings(const struct intel_crtc_state *crtc_state) static void intel_modeset_clear_plls(struct intel_atomic_state *state) { - struct drm_i915_private *dev_priv = to_i915(state->base.dev); struct intel_crtc_state *new_crtc_state; struct intel_crtc *crtc; int i; - if (!dev_priv->dpll_funcs) - return; - for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { if (!intel_crtc_needs_modeset(new_crtc_state)) continue; @@ -8505,7 +8435,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) struct drm_i915_private *dev_priv = to_i915(dev); struct intel_crtc_state *new_crtc_state, *old_crtc_state; struct intel_crtc *crtc; - u64 put_domains[I915_MAX_PIPES] = {}; + struct intel_power_domain_mask put_domains[I915_MAX_PIPES] = {}; intel_wakeref_t wakeref = 0; int i; @@ -8522,9 +8452,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) new_crtc_state, i) { if (intel_crtc_needs_modeset(new_crtc_state) || new_crtc_state->update_pipe) { - - put_domains[crtc->pipe] = - modeset_get_crtc_power_domains(new_crtc_state); + modeset_get_crtc_power_domains(new_crtc_state, &put_domains[crtc->pipe]); } } @@ -8624,7 +8552,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { intel_post_plane_update(state, crtc); - modeset_put_crtc_power_domains(crtc, put_domains[crtc->pipe]); + modeset_put_crtc_power_domains(crtc, &put_domains[crtc->pipe]); intel_modeset_verify_crtc(crtc, state, old_crtc_state, new_crtc_state); @@ -9737,7 +9665,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) } intel_plane_possible_crtcs_init(i915); - intel_shared_dpll_init(dev); + intel_shared_dpll_init(i915); intel_fdi_pll_freq_update(i915); intel_update_czclk(i915); @@ -9844,9 +9772,6 @@ void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe) PLL_REF_INPUT_DREFCLK | DPLL_VCO_ENABLE; - intel_de_write(dev_priv, FP0(pipe), fp); - intel_de_write(dev_priv, FP1(pipe), fp); - intel_de_write(dev_priv, HTOTAL(pipe), (640 - 1) | ((800 - 1) << 16)); intel_de_write(dev_priv, HBLANK(pipe), (640 - 1) | ((800 - 1) << 16)); intel_de_write(dev_priv, HSYNC(pipe), (656 - 1) | ((752 - 1) << 16)); @@ -9855,6 +9780,9 @@ void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe) intel_de_write(dev_priv, VSYNC(pipe), (490 - 1) | ((492 - 1) << 16)); intel_de_write(dev_priv, PIPESRC(pipe), ((640 - 1) << 16) | (480 - 1)); + intel_de_write(dev_priv, FP0(pipe), fp); + intel_de_write(dev_priv, FP1(pipe), fp); + /* * Apparently we need to have VGA mode enabled prior to changing * the P1/P2 dividers. Otherwise the DPLL will keep using the old @@ -10465,11 +10393,11 @@ intel_modeset_setup_hw_state(struct drm_device *dev, for_each_intel_crtc(dev, crtc) { struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state); - u64 put_domains; + struct intel_power_domain_mask put_domains; - put_domains = modeset_get_crtc_power_domains(crtc_state); - if (drm_WARN_ON(dev, put_domains)) - modeset_put_crtc_power_domains(crtc, put_domains); + modeset_get_crtc_power_domains(crtc_state, &put_domains); + if (drm_WARN_ON(dev, !bitmap_empty(put_domains.bits, POWER_DOMAIN_NUM))) + modeset_put_crtc_power_domains(crtc, &put_domains); } intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref); diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 867fa248f042..187910d94ec6 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -635,11 +635,9 @@ void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc, void i9xx_crtc_clock_get(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); -enum intel_display_power_domain intel_port_to_power_domain(enum port port); +enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port); enum intel_display_power_domain intel_aux_power_domain(struct intel_digital_port *dig_port); -enum intel_display_power_domain -intel_legacy_aux_to_power_domain(enum aux_ch aux_ch); void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state); void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 6a5695008f7c..1d9bd5808849 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -9,26 +9,27 @@ #include "i915_irq.h" #include "intel_cdclk.h" #include "intel_combo_phy.h" -#include "intel_combo_phy_regs.h" -#include "intel_crt.h" #include "intel_de.h" #include "intel_display_power.h" +#include "intel_display_power_map.h" #include "intel_display_power_well.h" #include "intel_display_types.h" #include "intel_dmc.h" -#include "intel_dpio_phy.h" -#include "intel_dpll.h" -#include "intel_hotplug.h" #include "intel_mchbar_regs.h" #include "intel_pch_refclk.h" #include "intel_pcode.h" #include "intel_pm.h" -#include "intel_pps.h" #include "intel_snps_phy.h" -#include "intel_tc.h" -#include "intel_vga.h" #include "vlv_sideband.h" +#define for_each_power_domain_well(__dev_priv, __power_well, __domain) \ + for_each_power_well(__dev_priv, __power_well) \ + for_each_if(test_bit((__domain), (__power_well)->domains.bits)) + +#define for_each_power_domain_well_reverse(__dev_priv, __power_well, __domain) \ + for_each_power_well_reverse(__dev_priv, __power_well) \ + for_each_if(test_bit((__domain), (__power_well)->domains.bits)) + const char * intel_display_power_domain_str(enum intel_display_power_domain domain) { @@ -43,14 +44,14 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "PIPE_C"; case POWER_DOMAIN_PIPE_D: return "PIPE_D"; - case POWER_DOMAIN_PIPE_A_PANEL_FITTER: - return "PIPE_A_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_B_PANEL_FITTER: - return "PIPE_B_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_C_PANEL_FITTER: - return "PIPE_C_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_D_PANEL_FITTER: - return "PIPE_D_PANEL_FITTER"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_A: + return "PIPE_PANEL_FITTER_A"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_B: + return "PIPE_PANEL_FITTER_B"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_C: + return "PIPE_PANEL_FITTER_C"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_D: + return "PIPE_PANEL_FITTER_D"; case POWER_DOMAIN_TRANSCODER_A: return "TRANSCODER_A"; case POWER_DOMAIN_TRANSCODER_B: @@ -67,42 +68,54 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "TRANSCODER_DSI_C"; case POWER_DOMAIN_TRANSCODER_VDSC_PW2: return "TRANSCODER_VDSC_PW2"; - case POWER_DOMAIN_PORT_DDI_A_LANES: - return "PORT_DDI_A_LANES"; - case POWER_DOMAIN_PORT_DDI_B_LANES: - return "PORT_DDI_B_LANES"; - case POWER_DOMAIN_PORT_DDI_C_LANES: - return "PORT_DDI_C_LANES"; - case POWER_DOMAIN_PORT_DDI_D_LANES: - return "PORT_DDI_D_LANES"; - case POWER_DOMAIN_PORT_DDI_E_LANES: - return "PORT_DDI_E_LANES"; - case POWER_DOMAIN_PORT_DDI_F_LANES: - return "PORT_DDI_F_LANES"; - case POWER_DOMAIN_PORT_DDI_G_LANES: - return "PORT_DDI_G_LANES"; - case POWER_DOMAIN_PORT_DDI_H_LANES: - return "PORT_DDI_H_LANES"; - case POWER_DOMAIN_PORT_DDI_I_LANES: - return "PORT_DDI_I_LANES"; - case POWER_DOMAIN_PORT_DDI_A_IO: - return "PORT_DDI_A_IO"; - case POWER_DOMAIN_PORT_DDI_B_IO: - return "PORT_DDI_B_IO"; - case POWER_DOMAIN_PORT_DDI_C_IO: - return "PORT_DDI_C_IO"; - case POWER_DOMAIN_PORT_DDI_D_IO: - return "PORT_DDI_D_IO"; - case POWER_DOMAIN_PORT_DDI_E_IO: - return "PORT_DDI_E_IO"; - case POWER_DOMAIN_PORT_DDI_F_IO: - return "PORT_DDI_F_IO"; - case POWER_DOMAIN_PORT_DDI_G_IO: - return "PORT_DDI_G_IO"; - case POWER_DOMAIN_PORT_DDI_H_IO: - return "PORT_DDI_H_IO"; - case POWER_DOMAIN_PORT_DDI_I_IO: - return "PORT_DDI_I_IO"; + case POWER_DOMAIN_PORT_DDI_LANES_A: + return "PORT_DDI_LANES_A"; + case POWER_DOMAIN_PORT_DDI_LANES_B: + return "PORT_DDI_LANES_B"; + case POWER_DOMAIN_PORT_DDI_LANES_C: + return "PORT_DDI_LANES_C"; + case POWER_DOMAIN_PORT_DDI_LANES_D: + return "PORT_DDI_LANES_D"; + case POWER_DOMAIN_PORT_DDI_LANES_E: + return "PORT_DDI_LANES_E"; + case POWER_DOMAIN_PORT_DDI_LANES_F: + return "PORT_DDI_LANES_F"; + case POWER_DOMAIN_PORT_DDI_LANES_TC1: + return "PORT_DDI_LANES_TC1"; + case POWER_DOMAIN_PORT_DDI_LANES_TC2: + return "PORT_DDI_LANES_TC2"; + case POWER_DOMAIN_PORT_DDI_LANES_TC3: + return "PORT_DDI_LANES_TC3"; + case POWER_DOMAIN_PORT_DDI_LANES_TC4: + return "PORT_DDI_LANES_TC4"; + case POWER_DOMAIN_PORT_DDI_LANES_TC5: + return "PORT_DDI_LANES_TC5"; + case POWER_DOMAIN_PORT_DDI_LANES_TC6: + return "PORT_DDI_LANES_TC6"; + case POWER_DOMAIN_PORT_DDI_IO_A: + return "PORT_DDI_IO_A"; + case POWER_DOMAIN_PORT_DDI_IO_B: + return "PORT_DDI_IO_B"; + case POWER_DOMAIN_PORT_DDI_IO_C: + return "PORT_DDI_IO_C"; + case POWER_DOMAIN_PORT_DDI_IO_D: + return "PORT_DDI_IO_D"; + case POWER_DOMAIN_PORT_DDI_IO_E: + return "PORT_DDI_IO_E"; + case POWER_DOMAIN_PORT_DDI_IO_F: + return "PORT_DDI_IO_F"; + case POWER_DOMAIN_PORT_DDI_IO_TC1: + return "PORT_DDI_IO_TC1"; + case POWER_DOMAIN_PORT_DDI_IO_TC2: + return "PORT_DDI_IO_TC2"; + case POWER_DOMAIN_PORT_DDI_IO_TC3: + return "PORT_DDI_IO_TC3"; + case POWER_DOMAIN_PORT_DDI_IO_TC4: + return "PORT_DDI_IO_TC4"; + case POWER_DOMAIN_PORT_DDI_IO_TC5: + return "PORT_DDI_IO_TC5"; + case POWER_DOMAIN_PORT_DDI_IO_TC6: + return "PORT_DDI_IO_TC6"; case POWER_DOMAIN_PORT_DSI: return "PORT_DSI"; case POWER_DOMAIN_PORT_CRT: @@ -127,28 +140,32 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "AUX_E"; case POWER_DOMAIN_AUX_F: return "AUX_F"; - case POWER_DOMAIN_AUX_G: - return "AUX_G"; - case POWER_DOMAIN_AUX_H: - return "AUX_H"; - case POWER_DOMAIN_AUX_I: - return "AUX_I"; + case POWER_DOMAIN_AUX_USBC1: + return "AUX_USBC1"; + case POWER_DOMAIN_AUX_USBC2: + return "AUX_USBC2"; + case POWER_DOMAIN_AUX_USBC3: + return "AUX_USBC3"; + case POWER_DOMAIN_AUX_USBC4: + return "AUX_USBC4"; + case POWER_DOMAIN_AUX_USBC5: + return "AUX_USBC5"; + case POWER_DOMAIN_AUX_USBC6: + return "AUX_USBC6"; case POWER_DOMAIN_AUX_IO_A: return "AUX_IO_A"; - case POWER_DOMAIN_AUX_C_TBT: - return "AUX_C_TBT"; - case POWER_DOMAIN_AUX_D_TBT: - return "AUX_D_TBT"; - case POWER_DOMAIN_AUX_E_TBT: - return "AUX_E_TBT"; - case POWER_DOMAIN_AUX_F_TBT: - return "AUX_F_TBT"; - case POWER_DOMAIN_AUX_G_TBT: - return "AUX_G_TBT"; - case POWER_DOMAIN_AUX_H_TBT: - return "AUX_H_TBT"; - case POWER_DOMAIN_AUX_I_TBT: - return "AUX_I_TBT"; + case POWER_DOMAIN_AUX_TBT1: + return "AUX_TBT1"; + case POWER_DOMAIN_AUX_TBT2: + return "AUX_TBT2"; + case POWER_DOMAIN_AUX_TBT3: + return "AUX_TBT3"; + case POWER_DOMAIN_AUX_TBT4: + return "AUX_TBT4"; + case POWER_DOMAIN_AUX_TBT5: + return "AUX_TBT5"; + case POWER_DOMAIN_AUX_TBT6: + return "AUX_TBT6"; case POWER_DOMAIN_GMBUS: return "GMBUS"; case POWER_DOMAIN_INIT: @@ -190,7 +207,7 @@ bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, is_enabled = true; - for_each_power_domain_well_reverse(dev_priv, power_well, BIT_ULL(domain)) { + for_each_power_domain_well_reverse(dev_priv, power_well, domain) { if (intel_power_well_is_always_on(power_well)) continue; @@ -235,604 +252,6 @@ bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, return ret; } -/* - * Starting with Haswell, we have a "Power Down Well" that can be turned off - * when not needed anymore. We have 4 registers that can request the power well - * to be enabled, and it will only be disabled if none of the registers is - * requesting it to be enabled. - */ -static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv, - u8 irq_pipe_mask, bool has_vga) -{ - if (has_vga) - intel_vga_reset_io_mem(dev_priv); - - if (irq_pipe_mask) - gen8_irq_power_well_post_enable(dev_priv, irq_pipe_mask); -} - -static void hsw_power_well_pre_disable(struct drm_i915_private *dev_priv, - u8 irq_pipe_mask) -{ - if (irq_pipe_mask) - gen8_irq_power_well_pre_disable(dev_priv, irq_pipe_mask); -} - -#define ICL_AUX_PW_TO_CH(pw_idx) \ - ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A) - -#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \ - ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C) - -static enum aux_ch icl_aux_pw_to_ch(const struct i915_power_well *power_well) -{ - int pw_idx = power_well->desc->hsw.idx; - - return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : - ICL_AUX_PW_TO_CH(pw_idx); -} - -static struct intel_digital_port * -aux_ch_to_digital_port(struct drm_i915_private *dev_priv, - enum aux_ch aux_ch) -{ - struct intel_digital_port *dig_port = NULL; - struct intel_encoder *encoder; - - for_each_intel_encoder(&dev_priv->drm, encoder) { - /* We'll check the MST primary port */ - if (encoder->type == INTEL_OUTPUT_DP_MST) - continue; - - dig_port = enc_to_dig_port(encoder); - if (!dig_port) - continue; - - if (dig_port->aux_ch != aux_ch) { - dig_port = NULL; - continue; - } - - break; - } - - return dig_port; -} - -static enum phy icl_aux_pw_to_phy(struct drm_i915_private *i915, - const struct i915_power_well *power_well) -{ - enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); - struct intel_digital_port *dig_port = aux_ch_to_digital_port(i915, aux_ch); - - return intel_port_to_phy(i915, dig_port->base.port); -} - -static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - bool timeout_expected) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - int enable_delay = power_well->desc->hsw.fixed_enable_delay; - - /* - * For some power wells we're not supposed to watch the status bit for - * an ack, but rather just wait a fixed amount of time and then - * proceed. This is only used on DG2. - */ - if (IS_DG2(dev_priv) && enable_delay) { - usleep_range(enable_delay, 2 * enable_delay); - return; - } - - /* Timeout for PW1:10 us, AUX:not specified, other PWs:20 us. */ - if (intel_de_wait_for_set(dev_priv, regs->driver, - HSW_PWR_WELL_CTL_STATE(pw_idx), 1)) { - drm_dbg_kms(&dev_priv->drm, "%s power well enable timeout\n", - intel_power_well_name(power_well)); - - drm_WARN_ON(&dev_priv->drm, !timeout_expected); - - } -} - -static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv, - const struct i915_power_well_regs *regs, - int pw_idx) -{ - u32 req_mask = HSW_PWR_WELL_CTL_REQ(pw_idx); - u32 ret; - - ret = intel_de_read(dev_priv, regs->bios) & req_mask ? 1 : 0; - ret |= intel_de_read(dev_priv, regs->driver) & req_mask ? 2 : 0; - if (regs->kvmr.reg) - ret |= intel_de_read(dev_priv, regs->kvmr) & req_mask ? 4 : 0; - ret |= intel_de_read(dev_priv, regs->debug) & req_mask ? 8 : 0; - - return ret; -} - -static void hsw_wait_for_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - bool disabled; - u32 reqs; - - /* - * Bspec doesn't require waiting for PWs to get disabled, but still do - * this for paranoia. The known cases where a PW will be forced on: - * - a KVMR request on any power well via the KVMR request register - * - a DMC request on PW1 and MISC_IO power wells via the BIOS and - * DEBUG request registers - * Skip the wait in case any of the request bits are set and print a - * diagnostic message. - */ - wait_for((disabled = !(intel_de_read(dev_priv, regs->driver) & - HSW_PWR_WELL_CTL_STATE(pw_idx))) || - (reqs = hsw_power_well_requesters(dev_priv, regs, pw_idx)), 1); - if (disabled) - return; - - drm_dbg_kms(&dev_priv->drm, - "%s forced on (bios:%d driver:%d kvmr:%d debug:%d)\n", - intel_power_well_name(power_well), - !!(reqs & 1), !!(reqs & 2), !!(reqs & 4), !!(reqs & 8)); -} - -static void gen9_wait_for_power_well_fuses(struct drm_i915_private *dev_priv, - enum skl_power_gate pg) -{ - /* Timeout 5us for PG#0, for other PGs 1us */ - drm_WARN_ON(&dev_priv->drm, - intel_de_wait_for_set(dev_priv, SKL_FUSE_STATUS, - SKL_FUSE_PG_DIST_STATUS(pg), 1)); -} - -static void hsw_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 val; - - if (power_well->desc->hsw.has_fuses) { - enum skl_power_gate pg; - - pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : - SKL_PW_CTL_IDX_TO_PG(pw_idx); - - /* Wa_16013190616:adlp */ - if (IS_ALDERLAKE_P(dev_priv) && pg == SKL_PG1) - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0, DISABLE_FLR_SRC); - - /* - * For PW1 we have to wait both for the PW0/PG0 fuse state - * before enabling the power well and PW1/PG1's own fuse - * state after the enabling. For all other power wells with - * fuses we only have to wait for that PW/PG's fuse state - * after the enabling. - */ - if (pg == SKL_PG1) - gen9_wait_for_power_well_fuses(dev_priv, SKL_PG0); - } - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(pw_idx)); - - hsw_wait_for_power_well_enable(dev_priv, power_well, false); - - if (power_well->desc->hsw.has_fuses) { - enum skl_power_gate pg; - - pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : - SKL_PW_CTL_IDX_TO_PG(pw_idx); - gen9_wait_for_power_well_fuses(dev_priv, pg); - } - - hsw_power_well_post_enable(dev_priv, - power_well->desc->hsw.irq_pipe_mask, - power_well->desc->hsw.has_vga); -} - -static void hsw_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 val; - - hsw_power_well_pre_disable(dev_priv, - power_well->desc->hsw.irq_pipe_mask); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); - hsw_wait_for_power_well_disable(dev_priv, power_well); -} - -static void -icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - u32 val; - - drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(pw_idx)); - - if (DISPLAY_VER(dev_priv) < 12) { - val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); - intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), - val | ICL_LANE_ENABLE_AUX); - } - - hsw_wait_for_power_well_enable(dev_priv, power_well, false); - - /* Display WA #1178: icl */ - if (pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B && - !intel_bios_is_port_edp(dev_priv, (enum port)phy)) { - val = intel_de_read(dev_priv, ICL_AUX_ANAOVRD1(pw_idx)); - val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS; - intel_de_write(dev_priv, ICL_AUX_ANAOVRD1(pw_idx), val); - } -} - -static void -icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - u32 val; - - drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); - - val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); - intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), - val & ~ICL_LANE_ENABLE_AUX); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); - - hsw_wait_for_power_well_disable(dev_priv, power_well); -} - -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) - -static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - struct intel_digital_port *dig_port) -{ - if (drm_WARN_ON(&dev_priv->drm, !dig_port)) - return; - - if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) - return; - - drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port)); -} - -#else - -static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - struct intel_digital_port *dig_port) -{ -} - -#endif - -#define TGL_AUX_PW_TO_TC_PORT(pw_idx) ((pw_idx) - TGL_PW_CTL_IDX_AUX_TC1) - -static void icl_tc_cold_exit(struct drm_i915_private *i915) -{ - int ret, tries = 0; - - while (1) { - ret = snb_pcode_write_timeout(i915, ICL_PCODE_EXIT_TCCOLD, 0, - 250, 1); - if (ret != -EAGAIN || ++tries == 3) - break; - msleep(1); - } - - /* Spec states that TC cold exit can take up to 1ms to complete */ - if (!ret) - msleep(1); - - /* TODO: turn failure into a error as soon i915 CI updates ICL IFWI */ - drm_dbg_kms(&i915->drm, "TC cold block %s\n", ret ? "failed" : - "succeeded"); -} - -static void -icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); - struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch); - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - bool is_tbt = power_well->desc->hsw.is_tc_tbt; - bool timeout_expected; - u32 val; - - icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port); - - val = intel_de_read(dev_priv, DP_AUX_CH_CTL(aux_ch)); - val &= ~DP_AUX_CH_CTL_TBT_IO; - if (is_tbt) - val |= DP_AUX_CH_CTL_TBT_IO; - intel_de_write(dev_priv, DP_AUX_CH_CTL(aux_ch), val); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(power_well->desc->hsw.idx)); - - /* - * An AUX timeout is expected if the TBT DP tunnel is down, - * or need to enable AUX on a legacy TypeC port as part of the TC-cold - * exit sequence. - */ - timeout_expected = is_tbt || intel_tc_cold_requires_aux_pw(dig_port); - if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) - icl_tc_cold_exit(dev_priv); - - hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected); - - if (DISPLAY_VER(dev_priv) >= 12 && !is_tbt) { - enum tc_port tc_port; - - tc_port = TGL_AUX_PW_TO_TC_PORT(power_well->desc->hsw.idx); - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x2)); - - if (intel_de_wait_for_set(dev_priv, DKL_CMN_UC_DW_27(tc_port), - DKL_CMN_UC_DW27_UC_HEALTH, 1)) - drm_warn(&dev_priv->drm, - "Timeout waiting TC uC health\n"); - } -} - -static void -icl_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - - if (intel_phy_is_tc(dev_priv, phy)) - return icl_tc_phy_aux_power_well_enable(dev_priv, power_well); - else if (IS_ICELAKE(dev_priv)) - return icl_combo_phy_aux_power_well_enable(dev_priv, - power_well); - else - return hsw_power_well_enable(dev_priv, power_well); -} - -static void -icl_aux_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - - if (intel_phy_is_tc(dev_priv, phy)) - return hsw_power_well_disable(dev_priv, power_well); - else if (IS_ICELAKE(dev_priv)) - return icl_combo_phy_aux_power_well_disable(dev_priv, - power_well); - else - return hsw_power_well_disable(dev_priv, power_well); -} - -/* - * We should only use the power well if we explicitly asked the hardware to - * enable it, so check if it's enabled and also check if we've requested it to - * be enabled. - */ -static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - enum i915_power_well_id id = power_well->desc->id; - int pw_idx = power_well->desc->hsw.idx; - u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx) | - HSW_PWR_WELL_CTL_STATE(pw_idx); - u32 val; - - val = intel_de_read(dev_priv, regs->driver); - - /* - * On GEN9 big core due to a DMC bug the driver's request bits for PW1 - * and the MISC_IO PW will be not restored, so check instead for the - * BIOS's own request bits, which are forced-on for these power wells - * when exiting DC5/6. - */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) && - (id == SKL_DISP_PW_1 || id == SKL_DISP_PW_MISC_IO)) - val |= intel_de_read(dev_priv, regs->bios); - - return (val & mask) == mask; -} - -static void assert_can_enable_dc9(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC9), - "DC9 already programmed to be enabled.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5, - "DC5 still not disabled to enable DC9.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, HSW_PWR_WELL_CTL2) & - HSW_PWR_WELL_CTL_REQ(SKL_PW_CTL_IDX_PW_2), - "Power well 2 on.\n"); - drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), - "Interrupts not disabled yet.\n"); - - /* - * TODO: check for the following to verify the conditions to enter DC9 - * state are satisfied: - * 1] Check relevant display engine registers to verify if mode set - * disable sequence was followed. - * 2] Check if display uninitialize sequence is initialized. - */ -} - -static void assert_can_disable_dc9(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), - "Interrupts not disabled yet.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5, - "DC5 still not disabled.\n"); - - /* - * TODO: check for the following to verify DC9 state was indeed - * entered before programming to disable it: - * 1] Check relevant display engine registers to verify if mode - * set disable sequence was followed. - * 2] Check if display uninitialize sequence is initialized. - */ -} - -static void gen9_write_dc_state(struct drm_i915_private *dev_priv, - u32 state) -{ - int rewrites = 0; - int rereads = 0; - u32 v; - - intel_de_write(dev_priv, DC_STATE_EN, state); - - /* It has been observed that disabling the dc6 state sometimes - * doesn't stick and dmc keeps returning old value. Make sure - * the write really sticks enough times and also force rewrite until - * we are confident that state is exactly what we want. - */ - do { - v = intel_de_read(dev_priv, DC_STATE_EN); - - if (v != state) { - intel_de_write(dev_priv, DC_STATE_EN, state); - rewrites++; - rereads = 0; - } else if (rereads++ > 5) { - break; - } - - } while (rewrites < 100); - - if (v != state) - drm_err(&dev_priv->drm, - "Writing dc state to 0x%x failed, now 0x%x\n", - state, v); - - /* Most of the times we need one retry, avoid spam */ - if (rewrites > 1) - drm_dbg_kms(&dev_priv->drm, - "Rewrote dc state to 0x%x %d times\n", - state, rewrites); -} - -static u32 gen9_dc_mask(struct drm_i915_private *dev_priv) -{ - u32 mask; - - mask = DC_STATE_EN_UPTO_DC5; - - if (DISPLAY_VER(dev_priv) >= 12) - mask |= DC_STATE_EN_DC3CO | DC_STATE_EN_UPTO_DC6 - | DC_STATE_EN_DC9; - else if (DISPLAY_VER(dev_priv) == 11) - mask |= DC_STATE_EN_UPTO_DC6 | DC_STATE_EN_DC9; - else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - mask |= DC_STATE_EN_DC9; - else - mask |= DC_STATE_EN_UPTO_DC6; - - return mask; -} - -static void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv) -{ - u32 val; - - if (!HAS_DISPLAY(dev_priv)) - return; - - val = intel_de_read(dev_priv, DC_STATE_EN) & gen9_dc_mask(dev_priv); - - drm_dbg_kms(&dev_priv->drm, - "Resetting DC state tracking from %02x to %02x\n", - dev_priv->dmc.dc_state, val); - dev_priv->dmc.dc_state = val; -} - -/** - * gen9_set_dc_state - set target display C power state - * @dev_priv: i915 device instance - * @state: target DC power state - * - DC_STATE_DISABLE - * - DC_STATE_EN_UPTO_DC5 - * - DC_STATE_EN_UPTO_DC6 - * - DC_STATE_EN_DC9 - * - * Signal to DMC firmware/HW the target DC power state passed in @state. - * DMC/HW can turn off individual display clocks and power rails when entering - * a deeper DC power state (higher in number) and turns these back when exiting - * that state to a shallower power state (lower in number). The HW will decide - * when to actually enter a given state on an on-demand basis, for instance - * depending on the active state of display pipes. The state of display - * registers backed by affected power rails are saved/restored as needed. - * - * Based on the above enabling a deeper DC power state is asynchronous wrt. - * enabling it. Disabling a deeper power state is synchronous: for instance - * setting %DC_STATE_DISABLE won't complete until all HW resources are turned - * back on and register state is restored. This is guaranteed by the MMIO write - * to DC_STATE_EN blocking until the state is restored. - */ -static void gen9_set_dc_state(struct drm_i915_private *dev_priv, u32 state) -{ - u32 val; - u32 mask; - - if (!HAS_DISPLAY(dev_priv)) - return; - - if (drm_WARN_ON_ONCE(&dev_priv->drm, - state & ~dev_priv->dmc.allowed_dc_mask)) - state &= dev_priv->dmc.allowed_dc_mask; - - val = intel_de_read(dev_priv, DC_STATE_EN); - mask = gen9_dc_mask(dev_priv); - drm_dbg_kms(&dev_priv->drm, "Setting DC state from %02x to %02x\n", - val & mask, state); - - /* Check if DMC is ignoring our DC state requests */ - if ((val & mask) != dev_priv->dmc.dc_state) - drm_err(&dev_priv->drm, "DC state mismatch (0x%x -> 0x%x)\n", - dev_priv->dmc.dc_state, val & mask); - - val &= ~mask; - val |= state; - - gen9_write_dc_state(dev_priv, val); - - dev_priv->dmc.dc_state = val & mask; -} - static u32 sanitize_target_dc_state(struct drm_i915_private *dev_priv, u32 target_dc_state) @@ -858,53 +277,6 @@ sanitize_target_dc_state(struct drm_i915_private *dev_priv, return target_dc_state; } -static void tgl_enable_dc3co(struct drm_i915_private *dev_priv) -{ - drm_dbg_kms(&dev_priv->drm, "Enabling DC3CO\n"); - gen9_set_dc_state(dev_priv, DC_STATE_EN_DC3CO); -} - -static void tgl_disable_dc3co(struct drm_i915_private *dev_priv) -{ - u32 val; - - drm_dbg_kms(&dev_priv->drm, "Disabling DC3CO\n"); - val = intel_de_read(dev_priv, DC_STATE_EN); - val &= ~DC_STATE_DC3CO_STATUS; - intel_de_write(dev_priv, DC_STATE_EN, val); - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - /* - * Delay of 200us DC3CO Exit time B.Spec 49196 - */ - usleep_range(200, 210); -} - -static void bxt_enable_dc9(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc9(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC9\n"); - /* - * Power sequencer reset is not needed on - * platforms with South Display Engine on PCH, - * because PPS registers are always on. - */ - if (!HAS_PCH_SPLIT(dev_priv)) - intel_pps_reset_all(dev_priv); - gen9_set_dc_state(dev_priv, DC_STATE_EN_DC9); -} - -static void bxt_disable_dc9(struct drm_i915_private *dev_priv) -{ - assert_can_disable_dc9(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Disabling DC9\n"); - - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - - intel_pps_unlock_regs_wa(dev_priv); -} - /** * intel_display_power_set_target_dc_state - Set target dc state. * @dev_priv: i915 device @@ -949,916 +321,15 @@ unlock: mutex_unlock(&power_domains->lock); } -static void assert_can_enable_dc5(struct drm_i915_private *dev_priv) -{ - enum i915_power_well_id high_pg; - - /* Power wells at this level and above must be disabled for DC5 entry */ - if (DISPLAY_VER(dev_priv) == 12) - high_pg = ICL_DISP_PW_3; - else - high_pg = SKL_DISP_PW_2; - - drm_WARN_ONCE(&dev_priv->drm, - intel_display_power_well_is_enabled(dev_priv, high_pg), - "Power wells above platform's DC5 limit still enabled.\n"); - - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5), - "DC5 already programmed to be enabled.\n"); - assert_rpm_wakelock_held(&dev_priv->runtime_pm); - - assert_dmc_loaded(dev_priv); -} - -static void gen9_enable_dc5(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc5(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC5\n"); - - /* Wa Display #1183: skl,kbl,cfl */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, - intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); - - gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5); -} - -static void assert_can_enable_dc6(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, UTIL_PIN_CTL) & UTIL_PIN_ENABLE, - "Backlight is not disabled.\n"); - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC6), - "DC6 already programmed to be enabled.\n"); - - assert_dmc_loaded(dev_priv); -} - -static void skl_enable_dc6(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc6(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC6\n"); - - /* Wa Display #1183: skl,kbl,cfl */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, - intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); - - gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); -} - -static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx); - u32 bios_req = intel_de_read(dev_priv, regs->bios); - - /* Take over the request bit if set by BIOS. */ - if (bios_req & mask) { - u32 drv_req = intel_de_read(dev_priv, regs->driver); - - if (!(drv_req & mask)) - intel_de_write(dev_priv, regs->driver, drv_req | mask); - intel_de_write(dev_priv, regs->bios, bios_req & ~mask); - } -} - -static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - bxt_ddi_phy_init(dev_priv, power_well->desc->bxt.phy); -} - -static void bxt_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - bxt_ddi_phy_uninit(dev_priv, power_well->desc->bxt.phy); -} - -static bool bxt_dpio_cmn_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return bxt_ddi_phy_is_enabled(dev_priv, power_well->desc->bxt.phy); -} - -static void bxt_verify_ddi_phy_power_wells(struct drm_i915_private *dev_priv) -{ - struct i915_power_well *power_well; - - power_well = lookup_power_well(dev_priv, BXT_DISP_PW_DPIO_CMN_A); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, power_well->desc->bxt.phy); - - power_well = lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, power_well->desc->bxt.phy); - - if (IS_GEMINILAKE(dev_priv)) { - power_well = lookup_power_well(dev_priv, - GLK_DISP_PW_DPIO_CMN_C); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, - power_well->desc->bxt.phy); - } -} - -static bool gen9_dc_off_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return ((intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC3CO) == 0 && - (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_UPTO_DC5_DC6_MASK) == 0); -} - -static void gen9_assert_dbuf_enabled(struct drm_i915_private *dev_priv) -{ - u8 hw_enabled_dbuf_slices = intel_enabled_dbuf_slices_mask(dev_priv); - u8 enabled_dbuf_slices = dev_priv->dbuf.enabled_slices; - - drm_WARN(&dev_priv->drm, - hw_enabled_dbuf_slices != enabled_dbuf_slices, - "Unexpected DBuf power power state (0x%08x, expected 0x%08x)\n", - hw_enabled_dbuf_slices, - enabled_dbuf_slices); -} - -static void gen9_disable_dc_states(struct drm_i915_private *dev_priv) -{ - struct intel_cdclk_config cdclk_config = {}; - - if (dev_priv->dmc.target_dc_state == DC_STATE_EN_DC3CO) { - tgl_disable_dc3co(dev_priv); - return; - } - - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - - if (!HAS_DISPLAY(dev_priv)) - return; - - intel_cdclk_get_cdclk(dev_priv, &cdclk_config); - /* Can't read out voltage_level so can't use intel_cdclk_changed() */ - drm_WARN_ON(&dev_priv->drm, - intel_cdclk_needs_modeset(&dev_priv->cdclk.hw, - &cdclk_config)); - - gen9_assert_dbuf_enabled(dev_priv); - - if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - bxt_verify_ddi_phy_power_wells(dev_priv); - - if (DISPLAY_VER(dev_priv) >= 11) - /* - * DMC retains HW context only for port A, the other combo - * PHY's HW context for port B is lost after DC transitions, - * so we need to restore it manually. - */ - intel_combo_phy_init(dev_priv); -} - -static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - gen9_disable_dc_states(dev_priv); -} - -static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if (!intel_dmc_has_payload(dev_priv)) - return; - - switch (dev_priv->dmc.target_dc_state) { - case DC_STATE_EN_DC3CO: - tgl_enable_dc3co(dev_priv); - break; - case DC_STATE_EN_UPTO_DC6: - skl_enable_dc6(dev_priv); - break; - case DC_STATE_EN_UPTO_DC5: - gen9_enable_dc5(dev_priv); - break; - } -} - -static void i9xx_power_well_sync_hw_noop(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ -} - -static void i9xx_always_on_power_well_noop(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ -} - -static bool i9xx_always_on_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return true; -} - -static void i830_pipes_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if ((intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE) == 0) - i830_enable_pipe(dev_priv, PIPE_A); - if ((intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE) == 0) - i830_enable_pipe(dev_priv, PIPE_B); -} - -static void i830_pipes_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - i830_disable_pipe(dev_priv, PIPE_B); - i830_disable_pipe(dev_priv, PIPE_A); -} - -static bool i830_pipes_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE && - intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE; -} - -static void i830_pipes_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if (intel_power_well_refcount(power_well) > 0) - i830_pipes_power_well_enable(dev_priv, power_well); - else - i830_pipes_power_well_disable(dev_priv, power_well); -} - -static void vlv_set_power_well(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, bool enable) -{ - int pw_idx = power_well->desc->vlv.idx; - u32 mask; - u32 state; - u32 ctrl; - - mask = PUNIT_PWRGT_MASK(pw_idx); - state = enable ? PUNIT_PWRGT_PWR_ON(pw_idx) : - PUNIT_PWRGT_PWR_GATE(pw_idx); - - vlv_punit_get(dev_priv); - -#define COND \ - ((vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask) == state) - - if (COND) - goto out; - - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL); - ctrl &= ~mask; - ctrl |= state; - vlv_punit_write(dev_priv, PUNIT_REG_PWRGT_CTRL, ctrl); - - if (wait_for(COND, 100)) - drm_err(&dev_priv->drm, - "timeout setting power well state %08x (%08x)\n", - state, - vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL)); - -#undef COND - -out: - vlv_punit_put(dev_priv); -} - -static void vlv_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, true); -} - -static void vlv_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, false); -} - -static bool vlv_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - int pw_idx = power_well->desc->vlv.idx; - bool enabled = false; - u32 mask; - u32 state; - u32 ctrl; - - mask = PUNIT_PWRGT_MASK(pw_idx); - ctrl = PUNIT_PWRGT_PWR_ON(pw_idx); - - vlv_punit_get(dev_priv); - - state = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask; - /* - * We only ever set the power-on and power-gate states, anything - * else is unexpected. - */ - drm_WARN_ON(&dev_priv->drm, state != PUNIT_PWRGT_PWR_ON(pw_idx) && - state != PUNIT_PWRGT_PWR_GATE(pw_idx)); - if (state == ctrl) - enabled = true; - - /* - * A transient state at this point would mean some unexpected party - * is poking at the power controls too. - */ - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL) & mask; - drm_WARN_ON(&dev_priv->drm, ctrl != state); - - vlv_punit_put(dev_priv); - - return enabled; -} - -static void vlv_init_display_clock_gating(struct drm_i915_private *dev_priv) -{ - u32 val; - - /* - * On driver load, a pipe may be active and driving a DSI display. - * Preserve DPOUNIT_CLOCK_GATE_DISABLE to avoid the pipe getting stuck - * (and never recovering) in this case. intel_dsi_post_disable() will - * clear it when we turn off the display. - */ - val = intel_de_read(dev_priv, DSPCLK_GATE_D); - val &= DPOUNIT_CLOCK_GATE_DISABLE; - val |= VRHUNIT_CLOCK_GATE_DISABLE; - intel_de_write(dev_priv, DSPCLK_GATE_D, val); - - /* - * Disable trickle feed and enable pnd deadline calculation - */ - intel_de_write(dev_priv, MI_ARB_VLV, - MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE); - intel_de_write(dev_priv, CBR1_VLV, 0); - - drm_WARN_ON(&dev_priv->drm, RUNTIME_INFO(dev_priv)->rawclk_freq == 0); - intel_de_write(dev_priv, RAWCLK_FREQ_VLV, - DIV_ROUND_CLOSEST(RUNTIME_INFO(dev_priv)->rawclk_freq, - 1000)); -} - -static void vlv_display_power_well_init(struct drm_i915_private *dev_priv) -{ - struct intel_encoder *encoder; - enum pipe pipe; - - /* - * Enable the CRI clock source so we can get at the - * display and the reference clock for VGA - * hotplug / manual detection. Supposedly DSI also - * needs the ref clock up and running. - * - * CHV DPLL B/C have some issues if VGA mode is enabled. - */ - for_each_pipe(dev_priv, pipe) { - u32 val = intel_de_read(dev_priv, DPLL(pipe)); - - val |= DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; - if (pipe != PIPE_A) - val |= DPLL_INTEGRATED_CRI_CLK_VLV; - - intel_de_write(dev_priv, DPLL(pipe), val); - } - - vlv_init_display_clock_gating(dev_priv); - - spin_lock_irq(&dev_priv->irq_lock); - valleyview_enable_display_irqs(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - - /* - * During driver initialization/resume we can avoid restoring the - * part of the HW/SW state that will be inited anyway explicitly. - */ - if (dev_priv->power_domains.initializing) - return; - - intel_hpd_init(dev_priv); - intel_hpd_poll_disable(dev_priv); - - /* Re-enable the ADPA, if we have one */ - for_each_intel_encoder(&dev_priv->drm, encoder) { - if (encoder->type == INTEL_OUTPUT_ANALOG) - intel_crt_reset(&encoder->base); - } - - intel_vga_redisable_power_on(dev_priv); - - intel_pps_unlock_regs_wa(dev_priv); -} - -static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) -{ - spin_lock_irq(&dev_priv->irq_lock); - valleyview_disable_display_irqs(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - - /* make sure we're done processing display irqs */ - intel_synchronize_irq(dev_priv); - - intel_pps_reset_all(dev_priv); - - /* Prevent us from re-enabling polling on accident in late suspend */ - if (!dev_priv->drm.dev->power.is_suspended) - intel_hpd_poll_enable(dev_priv); -} - -static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, true); - - vlv_display_power_well_init(dev_priv); -} - -static void vlv_display_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_display_power_well_deinit(dev_priv); - - vlv_set_power_well(dev_priv, power_well, false); -} - -static void vlv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - /* since ref/cri clock was enabled */ - udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ - - vlv_set_power_well(dev_priv, power_well, true); - - /* - * From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx - - * 6. De-assert cmn_reset/side_reset. Same as VLV X0. - * a. GUnit 0x2110 bit[0] set to 1 (def 0) - * b. The other bits such as sfr settings / modesel may all - * be set to 0. - * - * This should only be done on init and resume from S3 with - * both PLLs disabled, or we risk losing DPIO and PLL - * synchronization. - */ - intel_de_write(dev_priv, DPIO_CTL, - intel_de_read(dev_priv, DPIO_CTL) | DPIO_CMNRST); -} - -static void vlv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum pipe pipe; - - for_each_pipe(dev_priv, pipe) - assert_pll_disabled(dev_priv, pipe); - - /* Assert common reset */ - intel_de_write(dev_priv, DPIO_CTL, - intel_de_read(dev_priv, DPIO_CTL) & ~DPIO_CMNRST); - - vlv_set_power_well(dev_priv, power_well, false); -} - #define POWER_DOMAIN_MASK (GENMASK_ULL(POWER_DOMAIN_NUM - 1, 0)) -#define BITS_SET(val, bits) (((val) & (bits)) == (bits)) - -static void assert_chv_phy_status(struct drm_i915_private *dev_priv) -{ - struct i915_power_well *cmn_bc = - lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); - struct i915_power_well *cmn_d = - lookup_power_well(dev_priv, CHV_DISP_PW_DPIO_CMN_D); - u32 phy_control = dev_priv->chv_phy_control; - u32 phy_status = 0; - u32 phy_status_mask = 0xffffffff; - - /* - * The BIOS can leave the PHY is some weird state - * where it doesn't fully power down some parts. - * Disable the asserts until the PHY has been fully - * reset (ie. the power well has been disabled at - * least once). - */ - if (!dev_priv->chv_phy_assert[DPIO_PHY0]) - phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1) | - PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1)); - - if (!dev_priv->chv_phy_assert[DPIO_PHY1]) - phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1)); - - if (intel_power_well_is_enabled(dev_priv, cmn_bc)) { - phy_status |= PHY_POWERGOOD(DPIO_PHY0); - - /* this assumes override is only used to enable lanes */ - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH0)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0); - - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH1)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1); - - /* CL1 is on whenever anything is on in either channel */ - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0) | - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0); - - /* - * The DPLLB check accounts for the pipe B + port A usage - * with CL2 powered up but all the lanes in the second channel - * powered down. - */ - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1)) && - (intel_de_read(dev_priv, DPLL(PIPE_B)) & DPLL_VCO_ENABLE) == 0) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1); - } - - if (intel_power_well_is_enabled(dev_priv, cmn_d)) { - phy_status |= PHY_POWERGOOD(DPIO_PHY1); - - /* this assumes override is only used to enable lanes */ - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY1, DPIO_CH0)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1); - } - - phy_status &= phy_status_mask; - - /* - * The PHY may be busy with some initial calibration and whatnot, - * so the power state can take a while to actually change. - */ - if (intel_de_wait_for_register(dev_priv, DISPLAY_PHY_STATUS, - phy_status_mask, phy_status, 10)) - drm_err(&dev_priv->drm, - "Unexpected PHY_STATUS 0x%08x, expected 0x%08x (PHY_CONTROL=0x%08x)\n", - intel_de_read(dev_priv, DISPLAY_PHY_STATUS) & phy_status_mask, - phy_status, dev_priv->chv_phy_control); -} - -#undef BITS_SET - -static void chv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum dpio_phy phy; - enum pipe pipe; - u32 tmp; - - drm_WARN_ON_ONCE(&dev_priv->drm, - power_well->desc->id != VLV_DISP_PW_DPIO_CMN_BC && - power_well->desc->id != CHV_DISP_PW_DPIO_CMN_D); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - pipe = PIPE_A; - phy = DPIO_PHY0; - } else { - pipe = PIPE_C; - phy = DPIO_PHY1; - } - - /* since ref/cri clock was enabled */ - udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ - vlv_set_power_well(dev_priv, power_well, true); - - /* Poll for phypwrgood signal */ - if (intel_de_wait_for_set(dev_priv, DISPLAY_PHY_STATUS, - PHY_POWERGOOD(phy), 1)) - drm_err(&dev_priv->drm, "Display PHY %d is not power up\n", - phy); - - vlv_dpio_get(dev_priv); - - /* Enable dynamic power down */ - tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW28); - tmp |= DPIO_DYNPWRDOWNEN_CH0 | DPIO_CL1POWERDOWNEN | - DPIO_SUS_CLK_CONFIG_GATE_CLKREQ; - vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW28, tmp); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - tmp = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW6_CH1); - tmp |= DPIO_DYNPWRDOWNEN_CH1; - vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW6_CH1, tmp); - } else { - /* - * Force the non-existing CL2 off. BXT does this - * too, so maybe it saves some power even though - * CL2 doesn't exist? - */ - tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW30); - tmp |= DPIO_CL2_LDOFUSE_PWRENB; - vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW30, tmp); - } - - vlv_dpio_put(dev_priv); - - dev_priv->chv_phy_control |= PHY_COM_LANE_RESET_DEASSERT(phy); - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Enabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", - phy, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); -} - -static void chv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum dpio_phy phy; - - drm_WARN_ON_ONCE(&dev_priv->drm, - power_well->desc->id != VLV_DISP_PW_DPIO_CMN_BC && - power_well->desc->id != CHV_DISP_PW_DPIO_CMN_D); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - phy = DPIO_PHY0; - assert_pll_disabled(dev_priv, PIPE_A); - assert_pll_disabled(dev_priv, PIPE_B); - } else { - phy = DPIO_PHY1; - assert_pll_disabled(dev_priv, PIPE_C); - } - - dev_priv->chv_phy_control &= ~PHY_COM_LANE_RESET_DEASSERT(phy); - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - vlv_set_power_well(dev_priv, power_well, false); - - drm_dbg_kms(&dev_priv->drm, - "Disabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", - phy, dev_priv->chv_phy_control); - - /* PHY is fully reset now, so we can enable the PHY state asserts */ - dev_priv->chv_phy_assert[phy] = true; - - assert_chv_phy_status(dev_priv); -} - -static void assert_chv_phy_powergate(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override, unsigned int mask) -{ - enum pipe pipe = phy == DPIO_PHY0 ? PIPE_A : PIPE_C; - u32 reg, val, expected, actual; - - /* - * The BIOS can leave the PHY is some weird state - * where it doesn't fully power down some parts. - * Disable the asserts until the PHY has been fully - * reset (ie. the power well has been disabled at - * least once). - */ - if (!dev_priv->chv_phy_assert[phy]) - return; - - if (ch == DPIO_CH0) - reg = _CHV_CMN_DW0_CH0; - else - reg = _CHV_CMN_DW6_CH1; - - vlv_dpio_get(dev_priv); - val = vlv_dpio_read(dev_priv, pipe, reg); - vlv_dpio_put(dev_priv); - - /* - * This assumes !override is only used when the port is disabled. - * All lanes should power down even without the override when - * the port is disabled. - */ - if (!override || mask == 0xf) { - expected = DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; - /* - * If CH1 common lane is not active anymore - * (eg. for pipe B DPLL) the entire channel will - * shut down, which causes the common lane registers - * to read as 0. That means we can't actually check - * the lane power down status bits, but as the entire - * register reads as 0 it's a good indication that the - * channel is indeed entirely powered down. - */ - if (ch == DPIO_CH1 && val == 0) - expected = 0; - } else if (mask != 0x0) { - expected = DPIO_ANYDL_POWERDOWN; - } else { - expected = 0; - } - - if (ch == DPIO_CH0) - actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH0; - else - actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH1; - actual &= DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; - - drm_WARN(&dev_priv->drm, actual != expected, - "Unexpected DPIO lane power down: all %d, any %d. Expected: all %d, any %d. (0x%x = 0x%08x)\n", - !!(actual & DPIO_ALLDL_POWERDOWN), - !!(actual & DPIO_ANYDL_POWERDOWN), - !!(expected & DPIO_ALLDL_POWERDOWN), - !!(expected & DPIO_ANYDL_POWERDOWN), - reg, val); -} - -bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override) -{ - struct i915_power_domains *power_domains = &dev_priv->power_domains; - bool was_override; - - mutex_lock(&power_domains->lock); - - was_override = dev_priv->chv_phy_control & PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - if (override == was_override) - goto out; - - if (override) - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - else - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Power gating DPIO PHY%d CH%d (DPIO_PHY_CONTROL=0x%08x)\n", - phy, ch, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); - -out: - mutex_unlock(&power_domains->lock); - - return was_override; -} - -void chv_phy_powergate_lanes(struct intel_encoder *encoder, - bool override, unsigned int mask) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct i915_power_domains *power_domains = &dev_priv->power_domains; - enum dpio_phy phy = vlv_dig_port_to_phy(enc_to_dig_port(encoder)); - enum dpio_channel ch = vlv_dig_port_to_channel(enc_to_dig_port(encoder)); - - mutex_lock(&power_domains->lock); - - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD(0xf, phy, ch); - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD(mask, phy, ch); - - if (override) - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - else - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Power gating DPIO PHY%d CH%d lanes 0x%x (PHY_CONTROL=0x%08x)\n", - phy, ch, mask, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); - - assert_chv_phy_powergate(dev_priv, phy, ch, override, mask); - - mutex_unlock(&power_domains->lock); -} - -static bool chv_pipe_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum pipe pipe = PIPE_A; - bool enabled; - u32 state, ctrl; - - vlv_punit_get(dev_priv); - - state = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe); - /* - * We only ever set the power-on and power-gate states, anything - * else is unexpected. - */ - drm_WARN_ON(&dev_priv->drm, state != DP_SSS_PWR_ON(pipe) && - state != DP_SSS_PWR_GATE(pipe)); - enabled = state == DP_SSS_PWR_ON(pipe); - - /* - * A transient state at this point would mean some unexpected party - * is poking at the power controls too. - */ - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSC_MASK(pipe); - drm_WARN_ON(&dev_priv->drm, ctrl << 16 != state); - - vlv_punit_put(dev_priv); - - return enabled; -} - -static void chv_set_pipe_power_well(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - bool enable) -{ - enum pipe pipe = PIPE_A; - u32 state; - u32 ctrl; - - state = enable ? DP_SSS_PWR_ON(pipe) : DP_SSS_PWR_GATE(pipe); - - vlv_punit_get(dev_priv); - -#define COND \ - ((vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe)) == state) - - if (COND) - goto out; - - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); - ctrl &= ~DP_SSC_MASK(pipe); - ctrl |= enable ? DP_SSC_PWR_ON(pipe) : DP_SSC_PWR_GATE(pipe); - vlv_punit_write(dev_priv, PUNIT_REG_DSPSSPM, ctrl); - - if (wait_for(COND, 100)) - drm_err(&dev_priv->drm, - "timeout setting power well state %08x (%08x)\n", - state, - vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM)); - -#undef COND - -out: - vlv_punit_put(dev_priv); -} - -static void chv_pipe_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); -} - -static void chv_pipe_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - chv_set_pipe_power_well(dev_priv, power_well, true); - - vlv_display_power_well_init(dev_priv); -} - -static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) +static void __async_put_domains_mask(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) { - vlv_display_power_well_deinit(dev_priv); - - chv_set_pipe_power_well(dev_priv, power_well, false); -} - -static u64 __async_put_domains_mask(struct i915_power_domains *power_domains) -{ - return power_domains->async_put_domains[0] | - power_domains->async_put_domains[1]; + bitmap_or(mask->bits, + power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); } #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) @@ -1869,8 +340,11 @@ assert_async_put_domain_masks_disjoint(struct i915_power_domains *power_domains) struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); - return !drm_WARN_ON(&i915->drm, power_domains->async_put_domains[0] & - power_domains->async_put_domains[1]); + + return !drm_WARN_ON(&i915->drm, + bitmap_intersects(power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM)); } static bool @@ -1879,14 +353,17 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains) struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); + struct intel_power_domain_mask async_put_mask; enum intel_display_power_domain domain; bool err = false; err |= !assert_async_put_domain_masks_disjoint(power_domains); - err |= drm_WARN_ON(&i915->drm, !!power_domains->async_put_wakeref != - !!__async_put_domains_mask(power_domains)); + __async_put_domains_mask(power_domains, &async_put_mask); + err |= drm_WARN_ON(&i915->drm, + !!power_domains->async_put_wakeref != + !bitmap_empty(async_put_mask.bits, POWER_DOMAIN_NUM)); - for_each_power_domain(domain, __async_put_domains_mask(power_domains)) + for_each_power_domain(domain, &async_put_mask) err |= drm_WARN_ON(&i915->drm, power_domains->domain_use_count[domain] != 1); @@ -1894,14 +371,14 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains) } static void print_power_domains(struct i915_power_domains *power_domains, - const char *prefix, u64 mask) + const char *prefix, struct intel_power_domain_mask *mask) { struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); enum intel_display_power_domain domain; - drm_dbg(&i915->drm, "%s (%lu):\n", prefix, hweight64(mask)); + drm_dbg(&i915->drm, "%s (%d):\n", prefix, bitmap_weight(mask->bits, POWER_DOMAIN_NUM)); for_each_power_domain(domain, mask) drm_dbg(&i915->drm, "%s use_count %d\n", intel_display_power_domain_str(domain), @@ -1919,9 +396,9 @@ print_async_put_domains_state(struct i915_power_domains *power_domains) power_domains->async_put_wakeref); print_power_domains(power_domains, "async_put_domains[0]", - power_domains->async_put_domains[0]); + &power_domains->async_put_domains[0]); print_power_domains(power_domains, "async_put_domains[1]", - power_domains->async_put_domains[1]); + &power_domains->async_put_domains[1]); } static void @@ -1945,11 +422,13 @@ verify_async_put_domains_state(struct i915_power_domains *power_domains) #endif /* CONFIG_DRM_I915_DEBUG_RUNTIME_PM */ -static u64 async_put_domains_mask(struct i915_power_domains *power_domains) +static void async_put_domains_mask(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) + { assert_async_put_domain_masks_disjoint(power_domains); - return __async_put_domains_mask(power_domains); + __async_put_domains_mask(power_domains, mask); } static void @@ -1958,8 +437,8 @@ async_put_domains_clear_domain(struct i915_power_domains *power_domains, { assert_async_put_domain_masks_disjoint(power_domains); - power_domains->async_put_domains[0] &= ~BIT_ULL(domain); - power_domains->async_put_domains[1] &= ~BIT_ULL(domain); + clear_bit(domain, power_domains->async_put_domains[0].bits); + clear_bit(domain, power_domains->async_put_domains[1].bits); } static bool @@ -1967,16 +446,19 @@ intel_display_power_grab_async_put_ref(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain) { struct i915_power_domains *power_domains = &dev_priv->power_domains; + struct intel_power_domain_mask async_put_mask; bool ret = false; - if (!(async_put_domains_mask(power_domains) & BIT_ULL(domain))) + async_put_domains_mask(power_domains, &async_put_mask); + if (!test_bit(domain, async_put_mask.bits)) goto out_verify; async_put_domains_clear_domain(power_domains, domain); ret = true; - if (async_put_domains_mask(power_domains)) + async_put_domains_mask(power_domains, &async_put_mask); + if (!bitmap_empty(async_put_mask.bits, POWER_DOMAIN_NUM)) goto out_verify; cancel_delayed_work(&power_domains->async_put_work); @@ -1998,7 +480,7 @@ __intel_display_power_get_domain(struct drm_i915_private *dev_priv, if (intel_display_power_grab_async_put_ref(dev_priv, domain)) return; - for_each_power_domain_well(dev_priv, power_well, BIT_ULL(domain)) + for_each_power_domain_well(dev_priv, power_well, domain) intel_power_well_get(dev_priv, power_well); power_domains->domain_use_count[domain]++; @@ -2079,20 +561,22 @@ __intel_display_power_put_domain(struct drm_i915_private *dev_priv, struct i915_power_domains *power_domains; struct i915_power_well *power_well; const char *name = intel_display_power_domain_str(domain); + struct intel_power_domain_mask async_put_mask; power_domains = &dev_priv->power_domains; drm_WARN(&dev_priv->drm, !power_domains->domain_use_count[domain], "Use count on domain %s is already zero\n", name); + async_put_domains_mask(power_domains, &async_put_mask); drm_WARN(&dev_priv->drm, - async_put_domains_mask(power_domains) & BIT_ULL(domain), + test_bit(domain, async_put_mask.bits), "Async disabling of domain %s is pending\n", name); power_domains->domain_use_count[domain]--; - for_each_power_domain_well_reverse(dev_priv, power_well, BIT_ULL(domain)) + for_each_power_domain_well_reverse(dev_priv, power_well, domain) intel_power_well_put(dev_priv, power_well); } @@ -2121,7 +605,8 @@ queue_async_put_domains_work(struct i915_power_domains *power_domains, } static void -release_async_put_domains(struct i915_power_domains *power_domains, u64 mask) +release_async_put_domains(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) { struct drm_i915_private *dev_priv = container_of(power_domains, struct drm_i915_private, @@ -2169,12 +654,15 @@ intel_display_power_put_async_work(struct work_struct *work) goto out_verify; release_async_put_domains(power_domains, - power_domains->async_put_domains[0]); + &power_domains->async_put_domains[0]); /* Requeue the work if more domains were async put meanwhile. */ - if (power_domains->async_put_domains[1]) { - power_domains->async_put_domains[0] = - fetch_and_zero(&power_domains->async_put_domains[1]); + if (!bitmap_empty(power_domains->async_put_domains[1].bits, POWER_DOMAIN_NUM)) { + bitmap_copy(power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); + bitmap_zero(power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); queue_async_put_domains_work(power_domains, fetch_and_zero(&new_work_wakeref)); } else { @@ -2226,9 +714,9 @@ void __intel_display_power_put_async(struct drm_i915_private *i915, /* Let a pending work requeue itself or queue a new one. */ if (power_domains->async_put_wakeref) { - power_domains->async_put_domains[1] |= BIT_ULL(domain); + set_bit(domain, power_domains->async_put_domains[1].bits); } else { - power_domains->async_put_domains[0] |= BIT_ULL(domain); + set_bit(domain, power_domains->async_put_domains[0].bits); queue_async_put_domains_work(power_domains, fetch_and_zero(&work_wakeref)); } @@ -2259,6 +747,7 @@ out_verify: void intel_display_power_flush_work(struct drm_i915_private *i915) { struct i915_power_domains *power_domains = &i915->power_domains; + struct intel_power_domain_mask async_put_mask; intel_wakeref_t work_wakeref; mutex_lock(&power_domains->lock); @@ -2267,8 +756,8 @@ void intel_display_power_flush_work(struct drm_i915_private *i915) if (!work_wakeref) goto out_verify; - release_async_put_domains(power_domains, - async_put_domains_mask(power_domains)); + async_put_domains_mask(power_domains, &async_put_mask); + release_async_put_domains(power_domains, &async_put_mask); cancel_delayed_work(&power_domains->async_put_work); out_verify: @@ -2347,13 +836,13 @@ intel_display_power_get_in_set(struct drm_i915_private *i915, { intel_wakeref_t __maybe_unused wf; - drm_WARN_ON(&i915->drm, power_domain_set->mask & BIT_ULL(domain)); + drm_WARN_ON(&i915->drm, test_bit(domain, power_domain_set->mask.bits)); wf = intel_display_power_get(i915, domain); #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) power_domain_set->wakerefs[domain] = wf; #endif - power_domain_set->mask |= BIT_ULL(domain); + set_bit(domain, power_domain_set->mask.bits); } bool @@ -2363,7 +852,7 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, { intel_wakeref_t wf; - drm_WARN_ON(&i915->drm, power_domain_set->mask & BIT_ULL(domain)); + drm_WARN_ON(&i915->drm, test_bit(domain, power_domain_set->mask.bits)); wf = intel_display_power_get_if_enabled(i915, domain); if (!wf) @@ -2372,7 +861,7 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) power_domain_set->wakerefs[domain] = wf; #endif - power_domain_set->mask |= BIT_ULL(domain); + set_bit(domain, power_domain_set->mask.bits); return true; } @@ -2380,11 +869,12 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, void intel_display_power_put_mask_in_set(struct drm_i915_private *i915, struct intel_display_power_domain_set *power_domain_set, - u64 mask) + struct intel_power_domain_mask *mask) { enum intel_display_power_domain domain; - drm_WARN_ON(&i915->drm, mask & ~power_domain_set->mask); + drm_WARN_ON(&i915->drm, + !bitmap_subset(mask->bits, power_domain_set->mask.bits, POWER_DOMAIN_NUM)); for_each_power_domain(domain, mask) { intel_wakeref_t __maybe_unused wf = -1; @@ -2393,2363 +883,10 @@ intel_display_power_put_mask_in_set(struct drm_i915_private *i915, wf = fetch_and_zero(&power_domain_set->wakerefs[domain]); #endif intel_display_power_put(i915, domain, wf); - power_domain_set->mask &= ~BIT_ULL(domain); + clear_bit(domain, power_domain_set->mask.bits); } } -#define I830_PIPES_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_DISPLAY_CORE) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_DISPLAY_CORE) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DPIO_CMN_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define HSW_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */ \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define BDW_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */ \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_A_E_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DPIO_CMN_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_DDI_IO_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO)) -#define GLK_DISPLAY_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO)) -#define GLK_DISPLAY_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO)) -#define GLK_DPIO_CMN_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DPIO_CMN_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DPIO_CMN_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * ICL PW_0/PG_0 domains (HW/DMC control): - * - PCI - * - clocks except port PLL - * - central power except FBC - * - shared functions except pipe interrupts, pipe MBUS, DBUF registers - * ICL PW_1/PG_1 domains (HW/DMC control): - * - DBUF function - * - PIPE_A and its planes, except VGA - * - transcoder EDP + PSR - * - transcoder DSI - * - DDI_A - * - FBC - */ -#define ICL_PW_4_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* VDSC/joining */ -#define ICL_PW_3_POWER_DOMAINS ( \ - ICL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_F_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_AUX_E) | \ - BIT_ULL(POWER_DOMAIN_AUX_F) | \ - BIT_ULL(POWER_DOMAIN_AUX_C_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_D_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_E_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_F_TBT) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* - * - transcoder WD - * - KVMR (HW control) - */ -#define ICL_PW_2_POWER_DOMAINS ( \ - ICL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* - * - KVMR (HW control) - */ -#define ICL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - ICL_PW_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_DC_OFF) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define ICL_DDI_IO_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO)) -#define ICL_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO)) -#define ICL_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO)) -#define ICL_DDI_IO_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO)) -#define ICL_DDI_IO_E_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_IO)) -#define ICL_DDI_IO_F_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO)) - -#define ICL_AUX_A_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_A)) -#define ICL_AUX_B_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B)) -#define ICL_AUX_C_TC1_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C)) -#define ICL_AUX_D_TC2_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_D)) -#define ICL_AUX_E_TC3_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_E)) -#define ICL_AUX_F_TC4_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_F)) -#define ICL_AUX_C_TBT1_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C_TBT)) -#define ICL_AUX_D_TBT2_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_D_TBT)) -#define ICL_AUX_E_TBT3_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_E_TBT)) -#define ICL_AUX_F_TBT4_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_F_TBT)) - -#define TGL_PW_5_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_D) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_D) | \ - BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_4_POWER_DOMAINS ( \ - TGL_PW_5_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_3_POWER_DOMAINS ( \ - TGL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC3) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC4) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC5) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC5) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT5) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT6) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_2_POWER_DOMAINS ( \ - TGL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - TGL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_DDI_IO_TC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC1) -#define TGL_DDI_IO_TC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC2) -#define TGL_DDI_IO_TC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC3) -#define TGL_DDI_IO_TC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC4) -#define TGL_DDI_IO_TC5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC5) -#define TGL_DDI_IO_TC6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC6) - -#define TGL_AUX_A_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_A)) -#define TGL_AUX_B_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B)) -#define TGL_AUX_C_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C)) - -#define TGL_AUX_IO_USBC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC1) -#define TGL_AUX_IO_USBC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC2) -#define TGL_AUX_IO_USBC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC3) -#define TGL_AUX_IO_USBC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC4) -#define TGL_AUX_IO_USBC5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC5) -#define TGL_AUX_IO_USBC6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC6) - -#define TGL_AUX_IO_TBT1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT1) -#define TGL_AUX_IO_TBT2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT2) -#define TGL_AUX_IO_TBT3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT3) -#define TGL_AUX_IO_TBT4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT4) -#define TGL_AUX_IO_TBT5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT5) -#define TGL_AUX_IO_TBT6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT6) - -#define TGL_TC_COLD_OFF_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC5) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT5) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT6) | \ - BIT_ULL(POWER_DOMAIN_TC_COLD_OFF)) - -#define RKL_PW_4_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define RKL_PW_3_POWER_DOMAINS ( \ - RKL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * There is no PW_2/PG_2 on RKL. - * - * RKL PW_1/PG_1 domains (under HW/DMC control): - * - DBUF function (note: registers are in PW0) - * - PIPE_A and its planes and VDSC/joining, except VGA - * - transcoder A - * - DDI_A and DDI_B - * - FBC - * - * RKL PW_0/PG_0 domains (under HW/DMC control): - * - PCI - * - clocks except port PLL - * - shared functions: - * * interrupts except pipe interrupts - * * MBus except PIPE_MBUS_DBOX_CTL - * * DBUF registers - * - central power except FBC - * - top-level GTC (DDI-level GTC is in the well associated with the DDI) - */ - -#define RKL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - RKL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * DG1 onwards Audio MMIO/VERBS lies in PG0 power well. - */ -#define DG1_PW_3_POWER_DOMAINS ( \ - TGL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define DG1_PW_2_POWER_DOMAINS ( \ - DG1_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define DG1_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - DG1_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * XE_LPD Power Domains - * - * Previous platforms required that PG(n-1) be enabled before PG(n). That - * dependency chain turns into a dependency tree on XE_LPD: - * - * PG0 - * | - * --PG1-- - * / \ - * PGA --PG2-- - * / | \ - * PGB PGC PGD - * - * Power wells must be enabled from top to bottom and disabled from bottom - * to top. This allows pipes to be power gated independently. - */ - -#define XELPD_PW_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_D) | \ - BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_D) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_2_POWER_DOMAINS ( \ - XELPD_PW_B_POWER_DOMAINS | \ - XELPD_PW_C_POWER_DOMAINS | \ - XELPD_PW_D_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_D_XELPD) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_E_XELPD) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC3) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D_XELPD) | \ - BIT_ULL(POWER_DOMAIN_AUX_E_XELPD) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * XELPD PW_1/PG_1 domains (under HW/DMC control): - * - DBUF function (registers are in PW0) - * - Transcoder A - * - DDI_A and DDI_B - * - * XELPD PW_0/PW_1 domains (under HW/DMC control): - * - PCI - * - Clocks except port PLL - * - Shared functions: - * * interrupts except pipe interrupts - * * MBus except PIPE_MBUS_DBOX_CTL - * * DBUF registers - * - Central power except FBC - * - Top-level GTC (DDI-level GTC is in the well associated with the DDI) - */ - -#define XELPD_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - XELPD_PW_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_AUX_IO_D_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_D_XELPD) -#define XELPD_AUX_IO_E_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_E_XELPD) -#define XELPD_AUX_IO_USBC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC1) -#define XELPD_AUX_IO_USBC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC2) -#define XELPD_AUX_IO_USBC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC3) -#define XELPD_AUX_IO_USBC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC4) - -#define XELPD_AUX_IO_TBT1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT1) -#define XELPD_AUX_IO_TBT2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT2) -#define XELPD_AUX_IO_TBT3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT3) -#define XELPD_AUX_IO_TBT4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT4) - -#define XELPD_DDI_IO_D_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_D_XELPD) -#define XELPD_DDI_IO_E_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_E_XELPD) -#define XELPD_DDI_IO_TC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC1) -#define XELPD_DDI_IO_TC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC2) -#define XELPD_DDI_IO_TC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC3) -#define XELPD_DDI_IO_TC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC4) - -static const struct i915_power_well_ops i9xx_always_on_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = i9xx_always_on_power_well_noop, - .disable = i9xx_always_on_power_well_noop, - .is_enabled = i9xx_always_on_power_well_enabled, -}; - -static const struct i915_power_well_ops chv_pipe_power_well_ops = { - .sync_hw = chv_pipe_power_well_sync_hw, - .enable = chv_pipe_power_well_enable, - .disable = chv_pipe_power_well_disable, - .is_enabled = chv_pipe_power_well_enabled, -}; - -static const struct i915_power_well_ops chv_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = chv_dpio_cmn_power_well_enable, - .disable = chv_dpio_cmn_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_desc i9xx_always_on_power_well[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, -}; - -static const struct i915_power_well_ops i830_pipes_power_well_ops = { - .sync_hw = i830_pipes_power_well_sync_hw, - .enable = i830_pipes_power_well_enable, - .disable = i830_pipes_power_well_disable, - .is_enabled = i830_pipes_power_well_enabled, -}; - -static const struct i915_power_well_desc i830_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "pipes", - .domains = I830_PIPES_POWER_DOMAINS, - .ops = &i830_pipes_power_well_ops, - .id = DISP_PW_ID_NONE, - }, -}; - -static const struct i915_power_well_regs hsw_power_well_regs = { - .bios = HSW_PWR_WELL_CTL1, - .driver = HSW_PWR_WELL_CTL2, - .kvmr = HSW_PWR_WELL_CTL3, - .debug = HSW_PWR_WELL_CTL4, -}; - -static const struct i915_power_well_ops hsw_power_well_ops = { - .regs = &hsw_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = hsw_power_well_enable, - .disable = hsw_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_ops gen9_dc_off_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = gen9_dc_off_power_well_enable, - .disable = gen9_dc_off_power_well_disable, - .is_enabled = gen9_dc_off_power_well_enabled, -}; - -static const struct i915_power_well_ops bxt_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = bxt_dpio_cmn_power_well_enable, - .disable = bxt_dpio_cmn_power_well_disable, - .is_enabled = bxt_dpio_cmn_power_well_enabled, -}; - -static const struct i915_power_well_desc hsw_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = HSW_DISPLAY_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = HSW_DISP_PW_GLOBAL, - { - .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, - .hsw.has_vga = true, - }, - }, -}; - -static const struct i915_power_well_desc bdw_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = BDW_DISPLAY_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = HSW_DISP_PW_GLOBAL, - { - .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - }, - }, -}; - -static const struct i915_power_well_ops vlv_display_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_display_power_well_enable, - .disable = vlv_display_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_ops vlv_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_dpio_cmn_power_well_enable, - .disable = vlv_dpio_cmn_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_ops vlv_dpio_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_power_well_enable, - .disable = vlv_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_desc vlv_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = VLV_DISPLAY_POWER_DOMAINS, - .ops = &vlv_display_power_well_ops, - .id = VLV_DISP_PW_DISP2D, - { - .vlv.idx = PUNIT_PWGT_IDX_DISP2D, - }, - }, - { - .name = "dpio-tx-b-01", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_01, - }, - }, - { - .name = "dpio-tx-b-23", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_23, - }, - }, - { - .name = "dpio-tx-c-01", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_01, - }, - }, - { - .name = "dpio-tx-c-23", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_23, - }, - }, - { - .name = "dpio-common", - .domains = VLV_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &vlv_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, - }, - }, -}; - -static const struct i915_power_well_desc chv_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - /* - * Pipe A power well is the new disp2d well. Pipe B and C - * power wells don't actually exist. Pipe A power well is - * required for any pipe to work. - */ - .domains = CHV_DISPLAY_POWER_DOMAINS, - .ops = &chv_pipe_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "dpio-common-bc", - .domains = CHV_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &chv_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, - }, - }, - { - .name = "dpio-common-d", - .domains = CHV_DPIO_CMN_D_POWER_DOMAINS, - .ops = &chv_dpio_cmn_power_well_ops, - .id = CHV_DISP_PW_DPIO_CMN_D, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_D, - }, - }, -}; - -static const struct i915_power_well_desc skl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "MISC IO power well", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_MISC_IO, - { - .hsw.idx = SKL_PW_CTL_IDX_MISC_IO, - }, - }, - { - .name = "DC off", - .domains = SKL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A/E IO power well", - .domains = SKL_DISPLAY_DDI_IO_A_E_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_A_E, - }, - }, - { - .name = "DDI B IO power well", - .domains = SKL_DISPLAY_DDI_IO_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO power well", - .domains = SKL_DISPLAY_DDI_IO_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_C, - }, - }, - { - .name = "DDI D IO power well", - .domains = SKL_DISPLAY_DDI_IO_D_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_D, - }, - }, -}; - -static const struct i915_power_well_desc bxt_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = BXT_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "dpio-common-a", - .domains = BXT_DPIO_CMN_A_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = BXT_DISP_PW_DPIO_CMN_A, - { - .bxt.phy = DPIO_PHY1, - }, - }, - { - .name = "dpio-common-bc", - .domains = BXT_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .bxt.phy = DPIO_PHY0, - }, - }, -}; - -static const struct i915_power_well_desc glk_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = GLK_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "dpio-common-a", - .domains = GLK_DPIO_CMN_A_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = BXT_DISP_PW_DPIO_CMN_A, - { - .bxt.phy = DPIO_PHY1, - }, - }, - { - .name = "dpio-common-b", - .domains = GLK_DPIO_CMN_B_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .bxt.phy = DPIO_PHY0, - }, - }, - { - .name = "dpio-common-c", - .domains = GLK_DPIO_CMN_C_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = GLK_DISP_PW_DPIO_CMN_C, - { - .bxt.phy = DPIO_PHY2, - }, - }, - { - .name = "AUX A", - .domains = GLK_DISPLAY_AUX_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = GLK_DISPLAY_AUX_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C", - .domains = GLK_DISPLAY_AUX_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_C, - }, - }, - { - .name = "DDI A IO power well", - .domains = GLK_DISPLAY_DDI_IO_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_DDI_A, - }, - }, - { - .name = "DDI B IO power well", - .domains = GLK_DISPLAY_DDI_IO_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO power well", - .domains = GLK_DISPLAY_DDI_IO_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_C, - }, - }, -}; - -static const struct i915_power_well_regs icl_aux_power_well_regs = { - .bios = ICL_PWR_WELL_CTL_AUX1, - .driver = ICL_PWR_WELL_CTL_AUX2, - .debug = ICL_PWR_WELL_CTL_AUX4, -}; - -static const struct i915_power_well_ops icl_aux_power_well_ops = { - .regs = &icl_aux_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = icl_aux_power_well_enable, - .disable = icl_aux_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_regs icl_ddi_power_well_regs = { - .bios = ICL_PWR_WELL_CTL_DDI1, - .driver = ICL_PWR_WELL_CTL_DDI2, - .debug = ICL_PWR_WELL_CTL_DDI4, -}; - -static const struct i915_power_well_ops icl_ddi_power_well_ops = { - .regs = &icl_ddi_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = hsw_power_well_enable, - .disable = hsw_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_desc icl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = ICL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = ICL_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = ICL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - }, - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - }, - }, - { - .name = "DDI D IO", - .domains = ICL_DDI_IO_D_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_D, - }, - }, - { - .name = "DDI E IO", - .domains = ICL_DDI_IO_E_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_E, - }, - }, - { - .name = "DDI F IO", - .domains = ICL_DDI_IO_F_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_F, - }, - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C TC1", - .domains = ICL_AUX_C_TC1_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX D TC2", - .domains = ICL_AUX_D_TC2_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_D, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX E TC3", - .domains = ICL_AUX_E_TC3_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_E, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX F TC4", - .domains = ICL_AUX_F_TC4_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_F, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX C TBT1", - .domains = ICL_AUX_C_TBT1_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX D TBT2", - .domains = ICL_AUX_D_TBT2_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX E TBT3", - .domains = ICL_AUX_E_TBT3_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX F TBT4", - .domains = ICL_AUX_F_TBT4_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "power well 4", - .domains = ICL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - }, - }, -}; - -static void -tgl_tc_cold_request(struct drm_i915_private *i915, bool block) -{ - u8 tries = 0; - int ret; - - while (1) { - u32 low_val; - u32 high_val = 0; - - if (block) - low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ; - else - low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ; - - /* - * Spec states that we should timeout the request after 200us - * but the function below will timeout after 500us - */ - ret = snb_pcode_read(i915, TGL_PCODE_TCCOLD, &low_val, &high_val); - if (ret == 0) { - if (block && - (low_val & TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED)) - ret = -EIO; - else - break; - } - - if (++tries == 3) - break; - - msleep(1); - } - - if (ret) - drm_err(&i915->drm, "TC cold %sblock failed\n", - block ? "" : "un"); - else - drm_dbg_kms(&i915->drm, "TC cold %sblock succeeded\n", - block ? "" : "un"); -} - -static void -tgl_tc_cold_off_power_well_enable(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - tgl_tc_cold_request(i915, true); -} - -static void -tgl_tc_cold_off_power_well_disable(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - tgl_tc_cold_request(i915, false); -} - -static void -tgl_tc_cold_off_power_well_sync_hw(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - if (intel_power_well_refcount(power_well) > 0) - tgl_tc_cold_off_power_well_enable(i915, power_well); - else - tgl_tc_cold_off_power_well_disable(i915, power_well); -} - -static bool -tgl_tc_cold_off_power_well_is_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - /* - * Not the correctly implementation but there is no way to just read it - * from PCODE, so returning count to avoid state mismatch errors - */ - return intel_power_well_refcount(power_well); -} - -static const struct i915_power_well_ops tgl_tc_cold_off_ops = { - .sync_hw = tgl_tc_cold_off_power_well_sync_hw, - .enable = tgl_tc_cold_off_power_well_enable, - .disable = tgl_tc_cold_off_power_well_disable, - .is_enabled = tgl_tc_cold_off_power_well_is_enabled, -}; - -static const struct i915_power_well_desc tgl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = TGL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = TGL_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = TGL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "DDI IO TC3", - .domains = TGL_DDI_IO_TC3_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3, - }, - }, - { - .name = "DDI IO TC4", - .domains = TGL_DDI_IO_TC4_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4, - }, - }, - { - .name = "DDI IO TC5", - .domains = TGL_DDI_IO_TC5_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC5, - }, - }, - { - .name = "DDI IO TC6", - .domains = TGL_DDI_IO_TC6_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC6, - }, - }, - { - .name = "TC cold off", - .domains = TGL_TC_COLD_OFF_POWER_DOMAINS, - .ops = &tgl_tc_cold_off_ops, - .id = TGL_DISP_PW_TC_COLD_OFF, - }, - { - .name = "AUX A", - .domains = TGL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = TGL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C", - .domains = TGL_AUX_C_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC3", - .domains = TGL_AUX_IO_USBC3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC4", - .domains = TGL_AUX_IO_USBC4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC5", - .domains = TGL_AUX_IO_USBC5_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC5, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC6", - .domains = TGL_AUX_IO_USBC6_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC6, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX TBT1", - .domains = TGL_AUX_IO_TBT1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT2", - .domains = TGL_AUX_IO_TBT2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT3", - .domains = TGL_AUX_IO_TBT3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT4", - .domains = TGL_AUX_IO_TBT4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT5", - .domains = TGL_AUX_IO_TBT5_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT6", - .domains = TGL_AUX_IO_TBT6_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "power well 4", - .domains = TGL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "power well 5", - .domains = TGL_PW_5_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_PW_5, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_D), - }, - }, -}; - -static const struct i915_power_well_desc rkl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = RKL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 3", - .domains = RKL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 4", - .domains = RKL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - }, - }, -}; - -static const struct i915_power_well_desc dg1_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = DG1_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = DG1_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = DG1_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "AUX A", - .domains = TGL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = TGL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "power well 4", - .domains = TGL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "power well 5", - .domains = TGL_PW_5_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_PW_5, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_D), - }, - }, -}; - -static const struct i915_power_well_desc xelpd_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = XELPD_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = XELPD_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well A", - .domains = XELPD_PW_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_A, - .hsw.irq_pipe_mask = BIT(PIPE_A), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well B", - .domains = XELPD_PW_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_B, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well C", - .domains = XELPD_PW_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_C, - .hsw.irq_pipe_mask = BIT(PIPE_C), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well D", - .domains = XELPD_PW_D_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_D, - .hsw.irq_pipe_mask = BIT(PIPE_D), - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - } - }, - { - .name = "DDI IO D_XELPD", - .domains = XELPD_DDI_IO_D_XELPD_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_DDI_D, - } - }, - { - .name = "DDI IO E_XELPD", - .domains = XELPD_DDI_IO_E_XELPD_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_DDI_E, - } - }, - { - .name = "DDI IO TC1", - .domains = XELPD_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - } - }, - { - .name = "DDI IO TC2", - .domains = XELPD_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - } - }, - { - .name = "DDI IO TC3", - .domains = XELPD_DDI_IO_TC3_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3, - } - }, - { - .name = "DDI IO TC4", - .domains = XELPD_DDI_IO_TC4_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4, - } - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX C", - .domains = TGL_AUX_C_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX D_XELPD", - .domains = XELPD_AUX_IO_D_XELPD_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_AUX_D, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX E_XELPD", - .domains = XELPD_AUX_IO_E_XELPD_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_AUX_E, - }, - }, - { - .name = "AUX USBC1", - .domains = XELPD_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX USBC2", - .domains = XELPD_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - }, - }, - { - .name = "AUX USBC3", - .domains = XELPD_AUX_IO_USBC3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3, - }, - }, - { - .name = "AUX USBC4", - .domains = XELPD_AUX_IO_USBC4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4, - }, - }, - { - .name = "AUX TBT1", - .domains = XELPD_AUX_IO_TBT1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT2", - .domains = XELPD_AUX_IO_TBT2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT3", - .domains = XELPD_AUX_IO_TBT3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT4", - .domains = XELPD_AUX_IO_TBT4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, -}; - static int sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv, int disable_power_well) @@ -4828,57 +965,6 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv, return mask; } -static int -__set_power_wells(struct i915_power_domains *power_domains, - const struct i915_power_well_desc *power_well_descs, - int power_well_descs_sz, u64 skip_mask) -{ - struct drm_i915_private *i915 = container_of(power_domains, - struct drm_i915_private, - power_domains); - u64 power_well_ids = 0; - int power_well_count = 0; - int i, plt_idx = 0; - - for (i = 0; i < power_well_descs_sz; i++) - if (!(BIT_ULL(power_well_descs[i].id) & skip_mask)) - power_well_count++; - - power_domains->power_well_count = power_well_count; - power_domains->power_wells = - kcalloc(power_well_count, - sizeof(*power_domains->power_wells), - GFP_KERNEL); - if (!power_domains->power_wells) - return -ENOMEM; - - for (i = 0; i < power_well_descs_sz; i++) { - enum i915_power_well_id id = power_well_descs[i].id; - - if (BIT_ULL(id) & skip_mask) - continue; - - power_domains->power_wells[plt_idx++].desc = - &power_well_descs[i]; - - if (id == DISP_PW_ID_NONE) - continue; - - drm_WARN_ON(&i915->drm, id >= sizeof(power_well_ids) * 8); - drm_WARN_ON(&i915->drm, power_well_ids & BIT_ULL(id)); - power_well_ids |= BIT_ULL(id); - } - - return 0; -} - -#define set_power_wells_mask(power_domains, __power_well_descs, skip_mask) \ - __set_power_wells(power_domains, __power_well_descs, \ - ARRAY_SIZE(__power_well_descs), skip_mask) - -#define set_power_wells(power_domains, __power_well_descs) \ - set_power_wells_mask(power_domains, __power_well_descs, 0) - /** * intel_power_domains_init - initializes the power domain structures * @dev_priv: i915 device instance @@ -4889,7 +975,6 @@ __set_power_wells(struct i915_power_domains *power_domains, int intel_power_domains_init(struct drm_i915_private *dev_priv) { struct i915_power_domains *power_domains = &dev_priv->power_domains; - int err; dev_priv->params.disable_power_well = sanitize_disable_power_well_option(dev_priv, @@ -4900,54 +985,12 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) dev_priv->dmc.target_dc_state = sanitize_target_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); - BUILD_BUG_ON(POWER_DOMAIN_NUM > 64); - mutex_init(&power_domains->lock); INIT_DELAYED_WORK(&power_domains->async_put_work, intel_display_power_put_async_work); - /* - * The enabling order will be from lower to higher indexed wells, - * the disabling order is reversed. - */ - if (!HAS_DISPLAY(dev_priv)) { - power_domains->power_well_count = 0; - err = 0; - } else if (DISPLAY_VER(dev_priv) >= 13) { - err = set_power_wells(power_domains, xelpd_power_wells); - } else if (IS_DG1(dev_priv)) { - err = set_power_wells(power_domains, dg1_power_wells); - } else if (IS_ALDERLAKE_S(dev_priv)) { - err = set_power_wells_mask(power_domains, tgl_power_wells, - BIT_ULL(TGL_DISP_PW_TC_COLD_OFF)); - } else if (IS_ROCKETLAKE(dev_priv)) { - err = set_power_wells(power_domains, rkl_power_wells); - } else if (DISPLAY_VER(dev_priv) == 12) { - err = set_power_wells(power_domains, tgl_power_wells); - } else if (DISPLAY_VER(dev_priv) == 11) { - err = set_power_wells(power_domains, icl_power_wells); - } else if (IS_GEMINILAKE(dev_priv)) { - err = set_power_wells(power_domains, glk_power_wells); - } else if (IS_BROXTON(dev_priv)) { - err = set_power_wells(power_domains, bxt_power_wells); - } else if (DISPLAY_VER(dev_priv) == 9) { - err = set_power_wells(power_domains, skl_power_wells); - } else if (IS_CHERRYVIEW(dev_priv)) { - err = set_power_wells(power_domains, chv_power_wells); - } else if (IS_BROADWELL(dev_priv)) { - err = set_power_wells(power_domains, bdw_power_wells); - } else if (IS_HASWELL(dev_priv)) { - err = set_power_wells(power_domains, hsw_power_wells); - } else if (IS_VALLEYVIEW(dev_priv)) { - err = set_power_wells(power_domains, vlv_power_wells); - } else if (IS_I830(dev_priv)) { - err = set_power_wells(power_domains, i830_power_wells); - } else { - err = set_power_wells(power_domains, i9xx_always_on_power_well); - } - - return err; + return intel_display_power_map_init(power_domains); } /** @@ -4958,7 +1001,7 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) */ void intel_power_domains_cleanup(struct drm_i915_private *dev_priv) { - kfree(dev_priv->power_domains.power_wells); + intel_display_power_map_cleanup(&dev_priv->power_domains); } static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv) @@ -6229,3 +2272,209 @@ void intel_display_power_debug(struct drm_i915_private *i915, struct seq_file *m mutex_unlock(&power_domains->lock); } + +struct intel_ddi_port_domains { + enum port port_start; + enum port port_end; + enum aux_ch aux_ch_start; + enum aux_ch aux_ch_end; + + enum intel_display_power_domain ddi_lanes; + enum intel_display_power_domain ddi_io; + enum intel_display_power_domain aux_legacy_usbc; + enum intel_display_power_domain aux_tbt; +}; + +static const struct intel_ddi_port_domains +i9xx_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_F, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_F, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, +}; + +static const struct intel_ddi_port_domains +d11_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_B, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_B, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_C, + .port_end = PORT_F, + .aux_ch_start = AUX_CH_C, + .aux_ch_end = AUX_CH_F, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_C, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_C, + .aux_legacy_usbc = POWER_DOMAIN_AUX_C, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, +}; + +static const struct intel_ddi_port_domains +d12_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_C, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_C, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_TC1, + .port_end = PORT_TC6, + .aux_ch_start = AUX_CH_USBC1, + .aux_ch_end = AUX_CH_USBC6, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_TC1, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_TC1, + .aux_legacy_usbc = POWER_DOMAIN_AUX_USBC1, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, +}; + +static const struct intel_ddi_port_domains +d13_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_C, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_C, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_TC1, + .port_end = PORT_TC4, + .aux_ch_start = AUX_CH_USBC1, + .aux_ch_end = AUX_CH_USBC4, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_TC1, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_TC1, + .aux_legacy_usbc = POWER_DOMAIN_AUX_USBC1, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, { + .port_start = PORT_D_XELPD, + .port_end = PORT_E_XELPD, + .aux_ch_start = AUX_CH_D_XELPD, + .aux_ch_end = AUX_CH_E_XELPD, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_D, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_D, + .aux_legacy_usbc = POWER_DOMAIN_AUX_D, + .aux_tbt = POWER_DOMAIN_INVALID, + }, +}; + +static void +intel_port_domains_for_platform(struct drm_i915_private *i915, + const struct intel_ddi_port_domains **domains, + int *domains_size) +{ + if (DISPLAY_VER(i915) >= 13) { + *domains = d13_port_domains; + *domains_size = ARRAY_SIZE(d13_port_domains); + } else if (DISPLAY_VER(i915) >= 12) { + *domains = d12_port_domains; + *domains_size = ARRAY_SIZE(d12_port_domains); + } else if (DISPLAY_VER(i915) >= 11) { + *domains = d11_port_domains; + *domains_size = ARRAY_SIZE(d11_port_domains); + } else { + *domains = i9xx_port_domains; + *domains_size = ARRAY_SIZE(i9xx_port_domains); + } +} + +static const struct intel_ddi_port_domains * +intel_port_domains_for_port(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains; + int domains_size; + int i; + + intel_port_domains_for_platform(i915, &domains, &domains_size); + for (i = 0; i < domains_size; i++) + if (port >= domains[i].port_start && port <= domains[i].port_end) + return &domains[i]; + + return NULL; +} + +enum intel_display_power_domain +intel_display_power_ddi_io_domain(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_port(i915, port); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->ddi_io == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_PORT_DDI_IO_A; + + return domains->ddi_io + port - domains->port_start; +} + +enum intel_display_power_domain +intel_display_power_ddi_lanes_domain(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_port(i915, port); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->ddi_lanes == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_PORT_DDI_LANES_A; + + return domains->ddi_lanes + port - domains->port_start; +} + +static const struct intel_ddi_port_domains * +intel_port_domains_for_aux_ch(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains; + int domains_size; + int i; + + intel_port_domains_for_platform(i915, &domains, &domains_size); + for (i = 0; i < domains_size; i++) + if (aux_ch >= domains[i].aux_ch_start && aux_ch <= domains[i].aux_ch_end) + return &domains[i]; + + return NULL; +} + +enum intel_display_power_domain +intel_display_power_legacy_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_aux_ch(i915, aux_ch); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->aux_legacy_usbc == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_AUX_A; + + return domains->aux_legacy_usbc + aux_ch - domains->aux_ch_start; +} + +enum intel_display_power_domain +intel_display_power_tbt_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_aux_ch(i915, aux_ch); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->aux_tbt == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_AUX_TBT1; + + return domains->aux_tbt + aux_ch - domains->aux_ch_start; +} diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index ced384b0a165..7136ea3f233e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -8,8 +8,10 @@ #include "intel_runtime_pm.h" +enum aux_ch; enum dpio_channel; enum dpio_phy; +enum port; struct drm_i915_private; struct i915_power_well; struct intel_encoder; @@ -25,10 +27,10 @@ enum intel_display_power_domain { POWER_DOMAIN_PIPE_B, POWER_DOMAIN_PIPE_C, POWER_DOMAIN_PIPE_D, - POWER_DOMAIN_PIPE_A_PANEL_FITTER, - POWER_DOMAIN_PIPE_B_PANEL_FITTER, - POWER_DOMAIN_PIPE_C_PANEL_FITTER, - POWER_DOMAIN_PIPE_D_PANEL_FITTER, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_C, + POWER_DOMAIN_PIPE_PANEL_FITTER_D, POWER_DOMAIN_TRANSCODER_A, POWER_DOMAIN_TRANSCODER_B, POWER_DOMAIN_TRANSCODER_C, @@ -40,46 +42,34 @@ enum intel_display_power_domain { /* VDSC/joining for eDP/DSI transcoder (ICL) or pipe A (TGL) */ POWER_DOMAIN_TRANSCODER_VDSC_PW2, - POWER_DOMAIN_PORT_DDI_A_LANES, - POWER_DOMAIN_PORT_DDI_B_LANES, - POWER_DOMAIN_PORT_DDI_C_LANES, - POWER_DOMAIN_PORT_DDI_D_LANES, - POWER_DOMAIN_PORT_DDI_E_LANES, - POWER_DOMAIN_PORT_DDI_F_LANES, - POWER_DOMAIN_PORT_DDI_G_LANES, - POWER_DOMAIN_PORT_DDI_H_LANES, - POWER_DOMAIN_PORT_DDI_I_LANES, - - POWER_DOMAIN_PORT_DDI_LANES_TC1 = POWER_DOMAIN_PORT_DDI_D_LANES, /* tgl+ */ + POWER_DOMAIN_PORT_DDI_LANES_A, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_PORT_DDI_LANES_E, + POWER_DOMAIN_PORT_DDI_LANES_F, + + POWER_DOMAIN_PORT_DDI_LANES_TC1, POWER_DOMAIN_PORT_DDI_LANES_TC2, POWER_DOMAIN_PORT_DDI_LANES_TC3, POWER_DOMAIN_PORT_DDI_LANES_TC4, POWER_DOMAIN_PORT_DDI_LANES_TC5, POWER_DOMAIN_PORT_DDI_LANES_TC6, - POWER_DOMAIN_PORT_DDI_LANES_D_XELPD = POWER_DOMAIN_PORT_DDI_LANES_TC5, /* XELPD */ - POWER_DOMAIN_PORT_DDI_LANES_E_XELPD, - - POWER_DOMAIN_PORT_DDI_A_IO, - POWER_DOMAIN_PORT_DDI_B_IO, - POWER_DOMAIN_PORT_DDI_C_IO, - POWER_DOMAIN_PORT_DDI_D_IO, - POWER_DOMAIN_PORT_DDI_E_IO, - POWER_DOMAIN_PORT_DDI_F_IO, - POWER_DOMAIN_PORT_DDI_G_IO, - POWER_DOMAIN_PORT_DDI_H_IO, - POWER_DOMAIN_PORT_DDI_I_IO, + POWER_DOMAIN_PORT_DDI_IO_A, + POWER_DOMAIN_PORT_DDI_IO_B, + POWER_DOMAIN_PORT_DDI_IO_C, + POWER_DOMAIN_PORT_DDI_IO_D, + POWER_DOMAIN_PORT_DDI_IO_E, + POWER_DOMAIN_PORT_DDI_IO_F, - POWER_DOMAIN_PORT_DDI_IO_TC1 = POWER_DOMAIN_PORT_DDI_D_IO, /* tgl+ */ + POWER_DOMAIN_PORT_DDI_IO_TC1, POWER_DOMAIN_PORT_DDI_IO_TC2, POWER_DOMAIN_PORT_DDI_IO_TC3, POWER_DOMAIN_PORT_DDI_IO_TC4, POWER_DOMAIN_PORT_DDI_IO_TC5, POWER_DOMAIN_PORT_DDI_IO_TC6, - POWER_DOMAIN_PORT_DDI_IO_D_XELPD = POWER_DOMAIN_PORT_DDI_IO_TC5, /* XELPD */ - POWER_DOMAIN_PORT_DDI_IO_E_XELPD, - POWER_DOMAIN_PORT_DSI, POWER_DOMAIN_PORT_CRT, POWER_DOMAIN_PORT_OTHER, @@ -92,30 +82,17 @@ enum intel_display_power_domain { POWER_DOMAIN_AUX_D, POWER_DOMAIN_AUX_E, POWER_DOMAIN_AUX_F, - POWER_DOMAIN_AUX_G, - POWER_DOMAIN_AUX_H, - POWER_DOMAIN_AUX_I, - POWER_DOMAIN_AUX_USBC1 = POWER_DOMAIN_AUX_D, /* tgl+ */ + POWER_DOMAIN_AUX_USBC1, POWER_DOMAIN_AUX_USBC2, POWER_DOMAIN_AUX_USBC3, POWER_DOMAIN_AUX_USBC4, POWER_DOMAIN_AUX_USBC5, POWER_DOMAIN_AUX_USBC6, - POWER_DOMAIN_AUX_D_XELPD = POWER_DOMAIN_AUX_USBC5, /* XELPD */ - POWER_DOMAIN_AUX_E_XELPD, - POWER_DOMAIN_AUX_IO_A, - POWER_DOMAIN_AUX_C_TBT, - POWER_DOMAIN_AUX_D_TBT, - POWER_DOMAIN_AUX_E_TBT, - POWER_DOMAIN_AUX_F_TBT, - POWER_DOMAIN_AUX_G_TBT, - POWER_DOMAIN_AUX_H_TBT, - POWER_DOMAIN_AUX_I_TBT, - - POWER_DOMAIN_AUX_TBT1 = POWER_DOMAIN_AUX_D_TBT, /* tgl+ */ + + POWER_DOMAIN_AUX_TBT1, POWER_DOMAIN_AUX_TBT2, POWER_DOMAIN_AUX_TBT3, POWER_DOMAIN_AUX_TBT4, @@ -130,15 +107,20 @@ enum intel_display_power_domain { POWER_DOMAIN_INIT, POWER_DOMAIN_NUM, + POWER_DOMAIN_INVALID = POWER_DOMAIN_NUM, }; #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A) #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \ - ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER) + ((pipe) + POWER_DOMAIN_PIPE_PANEL_FITTER_A) #define POWER_DOMAIN_TRANSCODER(tran) \ ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \ (tran) + POWER_DOMAIN_TRANSCODER_A) +struct intel_power_domain_mask { + DECLARE_BITMAP(bits, POWER_DOMAIN_NUM); +}; + struct i915_power_domains { /* * Power wells needed for initialization at driver init and suspend @@ -156,41 +138,21 @@ struct i915_power_domains { struct delayed_work async_put_work; intel_wakeref_t async_put_wakeref; - u64 async_put_domains[2]; + struct intel_power_domain_mask async_put_domains[2]; struct i915_power_well *power_wells; }; struct intel_display_power_domain_set { - u64 mask; + struct intel_power_domain_mask mask; #ifdef CONFIG_DRM_I915_DEBUG_RUNTIME_PM intel_wakeref_t wakerefs[POWER_DOMAIN_NUM]; #endif }; -#define for_each_power_domain(domain, mask) \ - for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ - for_each_if(BIT_ULL(domain) & (mask)) - -#define for_each_power_well(__dev_priv, __power_well) \ - for ((__power_well) = (__dev_priv)->power_domains.power_wells; \ - (__power_well) - (__dev_priv)->power_domains.power_wells < \ - (__dev_priv)->power_domains.power_well_count; \ - (__power_well)++) - -#define for_each_power_well_reverse(__dev_priv, __power_well) \ - for ((__power_well) = (__dev_priv)->power_domains.power_wells + \ - (__dev_priv)->power_domains.power_well_count - 1; \ - (__power_well) - (__dev_priv)->power_domains.power_wells >= 0; \ - (__power_well)--) - -#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask) \ - for_each_power_well(__dev_priv, __power_well) \ - for_each_if((__power_well)->desc->domains & (__domain_mask)) - -#define for_each_power_domain_well_reverse(__dev_priv, __power_well, __domain_mask) \ - for_each_power_well_reverse(__dev_priv, __power_well) \ - for_each_if((__power_well)->desc->domains & (__domain_mask)) +#define for_each_power_domain(__domain, __mask) \ + for ((__domain) = 0; (__domain) < POWER_DOMAIN_NUM; (__domain)++) \ + for_each_if(test_bit((__domain), (__mask)->bits)) int intel_power_domains_init(struct drm_i915_private *dev_priv); void intel_power_domains_cleanup(struct drm_i915_private *dev_priv); @@ -271,17 +233,26 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, void intel_display_power_put_mask_in_set(struct drm_i915_private *i915, struct intel_display_power_domain_set *power_domain_set, - u64 mask); + struct intel_power_domain_mask *mask); static inline void intel_display_power_put_all_in_set(struct drm_i915_private *i915, struct intel_display_power_domain_set *power_domain_set) { - intel_display_power_put_mask_in_set(i915, power_domain_set, power_domain_set->mask); + intel_display_power_put_mask_in_set(i915, power_domain_set, &power_domain_set->mask); } void intel_display_power_debug(struct drm_i915_private *i915, struct seq_file *m); +enum intel_display_power_domain +intel_display_power_ddi_lanes_domain(struct drm_i915_private *i915, enum port port); +enum intel_display_power_domain +intel_display_power_ddi_io_domain(struct drm_i915_private *i915, enum port port); +enum intel_display_power_domain +intel_display_power_legacy_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch); +enum intel_display_power_domain +intel_display_power_tbt_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch); + /* * FIXME: We should probably switch this to a 0-based scheme to be consistent * with how we now name/number DBUF_CTL instances. @@ -305,9 +276,4 @@ void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv, for ((wf) = intel_display_power_get_if_enabled((i915), (domain)); (wf); \ intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0) -void chv_phy_powergate_lanes(struct intel_encoder *encoder, - bool override, unsigned int mask); -bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override); - #endif /* __INTEL_DISPLAY_POWER_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_display_power_map.c b/drivers/gpu/drm/i915/display/intel_display_power_map.c new file mode 100644 index 000000000000..97b367f39f35 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_power_map.c @@ -0,0 +1,1501 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2022 Intel Corporation + */ + +#include "i915_drv.h" +#include "i915_reg.h" + +#include "vlv_sideband_reg.h" + +#include "intel_display_power_map.h" +#include "intel_display_power_well.h" + +#define __LIST_INLINE_ELEMS(__elem_type, ...) \ + ((__elem_type[]) { __VA_ARGS__ }) + +#define __LIST(__elems) { \ + .list = __elems, \ + .count = ARRAY_SIZE(__elems), \ +} + +#define I915_PW_DOMAINS(...) \ + (const struct i915_power_domain_list) \ + __LIST(__LIST_INLINE_ELEMS(const enum intel_display_power_domain, __VA_ARGS__)) + +#define I915_DECL_PW_DOMAINS(__name, ...) \ + static const struct i915_power_domain_list __name = I915_PW_DOMAINS(__VA_ARGS__) + +/* Zero-length list assigns all power domains, a NULL list assigns none. */ +#define I915_PW_DOMAINS_NONE NULL +#define I915_PW_DOMAINS_ALL /* zero-length list */ + +#define I915_PW_INSTANCES(...) \ + (const struct i915_power_well_instance_list) \ + __LIST(__LIST_INLINE_ELEMS(const struct i915_power_well_instance, __VA_ARGS__)) + +#define I915_PW(_name, _domain_list, ...) \ + { .name = _name, .domain_list = _domain_list, ## __VA_ARGS__ } + + +struct i915_power_well_desc_list { + const struct i915_power_well_desc *list; + u8 count; +}; + +#define I915_PW_DESCRIPTORS(x) __LIST(x) + + +I915_DECL_PW_DOMAINS(i9xx_pwdoms_always_on, I915_PW_DOMAINS_ALL); + +static const struct i915_power_well_desc i9xx_power_wells_always_on[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("always-on", &i9xx_pwdoms_always_on), + ), + .ops = &i9xx_always_on_power_well_ops, + .always_on = true, + }, +}; + +static const struct i915_power_well_desc_list i9xx_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), +}; + +I915_DECL_PW_DOMAINS(i830_pwdoms_pipes, + POWER_DOMAIN_PIPE_A, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_TRANSCODER_A, + POWER_DOMAIN_TRANSCODER_B, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc i830_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("pipes", &i830_pwdoms_pipes), + ), + .ops = &i830_pipes_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list i830_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(i830_power_wells_main), +}; + +I915_DECL_PW_DOMAINS(hsw_pwdoms_display, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_C, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_C, + POWER_DOMAIN_TRANSCODER_A, + POWER_DOMAIN_TRANSCODER_B, + POWER_DOMAIN_TRANSCODER_C, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_PORT_CRT, /* DDI E */ + POWER_DOMAIN_VGA, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUDIO_PLAYBACK, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc hsw_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("display", &hsw_pwdoms_display, + .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, + .id = HSW_DISP_PW_GLOBAL), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + }, +}; + +static const struct i915_power_well_desc_list hsw_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(hsw_power_wells_main), +}; + +I915_DECL_PW_DOMAINS(bdw_pwdoms_display, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_C, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_C, + POWER_DOMAIN_TRANSCODER_A, + POWER_DOMAIN_TRANSCODER_B, + POWER_DOMAIN_TRANSCODER_C, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_PORT_CRT, /* DDI E */ + POWER_DOMAIN_VGA, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUDIO_PLAYBACK, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc bdw_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("display", &bdw_pwdoms_display, + .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, + .id = HSW_DISP_PW_GLOBAL), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), + }, +}; + +static const struct i915_power_well_desc_list bdw_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(bdw_power_wells_main), +}; + +I915_DECL_PW_DOMAINS(vlv_pwdoms_display, + POWER_DOMAIN_DISPLAY_CORE, + POWER_DOMAIN_PIPE_A, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_TRANSCODER_A, + POWER_DOMAIN_TRANSCODER_B, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DSI, + POWER_DOMAIN_PORT_CRT, + POWER_DOMAIN_VGA, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUDIO_PLAYBACK, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_GMBUS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(vlv_pwdoms_dpio_cmn_bc, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_CRT, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(vlv_pwdoms_dpio_tx_bc_lanes, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc vlv_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("display", &vlv_pwdoms_display, + .vlv.idx = PUNIT_PWGT_IDX_DISP2D, + .id = VLV_DISP_PW_DISP2D), + ), + .ops = &vlv_display_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("dpio-tx-b-01", &vlv_pwdoms_dpio_tx_bc_lanes, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_01), + I915_PW("dpio-tx-b-23", &vlv_pwdoms_dpio_tx_bc_lanes, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_23), + I915_PW("dpio-tx-c-01", &vlv_pwdoms_dpio_tx_bc_lanes, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_01), + I915_PW("dpio-tx-c-23", &vlv_pwdoms_dpio_tx_bc_lanes, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_23), + ), + .ops = &vlv_dpio_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("dpio-common", &vlv_pwdoms_dpio_cmn_bc, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, + .id = VLV_DISP_PW_DPIO_CMN_BC), + ), + .ops = &vlv_dpio_cmn_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list vlv_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(vlv_power_wells_main), +}; + +I915_DECL_PW_DOMAINS(chv_pwdoms_display, + POWER_DOMAIN_DISPLAY_CORE, + POWER_DOMAIN_PIPE_A, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_C, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_C, + POWER_DOMAIN_TRANSCODER_A, + POWER_DOMAIN_TRANSCODER_B, + POWER_DOMAIN_TRANSCODER_C, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_PORT_DSI, + POWER_DOMAIN_VGA, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUDIO_PLAYBACK, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_AUX_D, + POWER_DOMAIN_GMBUS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(chv_pwdoms_dpio_cmn_bc, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(chv_pwdoms_dpio_cmn_d, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_AUX_D, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc chv_power_wells_main[] = { + { + /* + * Pipe A power well is the new disp2d well. Pipe B and C + * power wells don't actually exist. Pipe A power well is + * required for any pipe to work. + */ + .instances = &I915_PW_INSTANCES( + I915_PW("display", &chv_pwdoms_display), + ), + .ops = &chv_pipe_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("dpio-common-bc", &chv_pwdoms_dpio_cmn_bc, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, + .id = VLV_DISP_PW_DPIO_CMN_BC), + I915_PW("dpio-common-d", &chv_pwdoms_dpio_cmn_d, + .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_D, + .id = CHV_DISP_PW_DPIO_CMN_D), + ), + .ops = &chv_dpio_cmn_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list chv_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(chv_power_wells_main), +}; + +#define SKL_PW_2_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_A, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_TRANSCODER_C, \ + POWER_DOMAIN_PORT_DDI_LANES_B, \ + POWER_DOMAIN_PORT_DDI_LANES_C, \ + POWER_DOMAIN_PORT_DDI_LANES_D, \ + POWER_DOMAIN_PORT_DDI_LANES_E, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_B, \ + POWER_DOMAIN_AUX_C, \ + POWER_DOMAIN_AUX_D + +I915_DECL_PW_DOMAINS(skl_pwdoms_pw_2, + SKL_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(skl_pwdoms_dc_off, + SKL_PW_2_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_GT_IRQ, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(skl_pwdoms_ddi_io_a_e, + POWER_DOMAIN_PORT_DDI_IO_A, + POWER_DOMAIN_PORT_DDI_IO_E, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(skl_pwdoms_ddi_io_b, + POWER_DOMAIN_PORT_DDI_IO_B, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(skl_pwdoms_ddi_io_c, + POWER_DOMAIN_PORT_DDI_IO_C, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(skl_pwdoms_ddi_io_d, + POWER_DOMAIN_PORT_DDI_IO_D, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc skl_power_wells_pw_1[] = { + { + /* Handled by the DMC firmware */ + .instances = &I915_PW_INSTANCES( + I915_PW("PW_1", I915_PW_DOMAINS_NONE, + .hsw.idx = SKL_PW_CTL_IDX_PW_1, + .id = SKL_DISP_PW_1), + ), + .ops = &hsw_power_well_ops, + .always_on = true, + .has_fuses = true, + }, +}; + +static const struct i915_power_well_desc skl_power_wells_main[] = { + { + /* Handled by the DMC firmware */ + .instances = &I915_PW_INSTANCES( + I915_PW("MISC_IO", I915_PW_DOMAINS_NONE, + .hsw.idx = SKL_PW_CTL_IDX_MISC_IO, + .id = SKL_DISP_PW_MISC_IO), + ), + .ops = &hsw_power_well_ops, + .always_on = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &skl_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &skl_pwdoms_pw_2, + .hsw.idx = SKL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("DDI_IO_A_E", &skl_pwdoms_ddi_io_a_e, .hsw.idx = SKL_PW_CTL_IDX_DDI_A_E), + I915_PW("DDI_IO_B", &skl_pwdoms_ddi_io_b, .hsw.idx = SKL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_C", &skl_pwdoms_ddi_io_c, .hsw.idx = SKL_PW_CTL_IDX_DDI_C), + I915_PW("DDI_IO_D", &skl_pwdoms_ddi_io_d, .hsw.idx = SKL_PW_CTL_IDX_DDI_D), + ), + .ops = &hsw_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list skl_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(skl_power_wells_pw_1), + I915_PW_DESCRIPTORS(skl_power_wells_main), +}; + +#define BXT_PW_2_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_A, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_TRANSCODER_C, \ + POWER_DOMAIN_PORT_DDI_LANES_B, \ + POWER_DOMAIN_PORT_DDI_LANES_C, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_B, \ + POWER_DOMAIN_AUX_C + +I915_DECL_PW_DOMAINS(bxt_pwdoms_pw_2, + BXT_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(bxt_pwdoms_dc_off, + BXT_PW_2_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_GMBUS, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_GT_IRQ, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(bxt_pwdoms_dpio_cmn_a, + POWER_DOMAIN_PORT_DDI_LANES_A, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(bxt_pwdoms_dpio_cmn_bc, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc bxt_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &bxt_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &bxt_pwdoms_pw_2, + .hsw.idx = SKL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("dpio-common-a", &bxt_pwdoms_dpio_cmn_a, + .bxt.phy = DPIO_PHY1, + .id = BXT_DISP_PW_DPIO_CMN_A), + I915_PW("dpio-common-bc", &bxt_pwdoms_dpio_cmn_bc, + .bxt.phy = DPIO_PHY0, + .id = VLV_DISP_PW_DPIO_CMN_BC), + ), + .ops = &bxt_dpio_cmn_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list bxt_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(skl_power_wells_pw_1), + I915_PW_DESCRIPTORS(bxt_power_wells_main), +}; + +#define GLK_PW_2_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_A, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_TRANSCODER_C, \ + POWER_DOMAIN_PORT_DDI_LANES_B, \ + POWER_DOMAIN_PORT_DDI_LANES_C, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_B, \ + POWER_DOMAIN_AUX_C + +I915_DECL_PW_DOMAINS(glk_pwdoms_pw_2, + GLK_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_dc_off, + GLK_PW_2_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_GMBUS, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_GT_IRQ, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_ddi_io_a, POWER_DOMAIN_PORT_DDI_IO_A); +I915_DECL_PW_DOMAINS(glk_pwdoms_ddi_io_b, POWER_DOMAIN_PORT_DDI_IO_B); +I915_DECL_PW_DOMAINS(glk_pwdoms_ddi_io_c, POWER_DOMAIN_PORT_DDI_IO_C); + +I915_DECL_PW_DOMAINS(glk_pwdoms_dpio_cmn_a, + POWER_DOMAIN_PORT_DDI_LANES_A, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_dpio_cmn_b, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_dpio_cmn_c, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_aux_a, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_IO_A, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_aux_b, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(glk_pwdoms_aux_c, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc glk_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &glk_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &glk_pwdoms_pw_2, + .hsw.idx = SKL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("dpio-common-a", &glk_pwdoms_dpio_cmn_a, + .bxt.phy = DPIO_PHY1, + .id = BXT_DISP_PW_DPIO_CMN_A), + I915_PW("dpio-common-b", &glk_pwdoms_dpio_cmn_b, + .bxt.phy = DPIO_PHY0, + .id = VLV_DISP_PW_DPIO_CMN_BC), + I915_PW("dpio-common-c", &glk_pwdoms_dpio_cmn_c, + .bxt.phy = DPIO_PHY2, + .id = GLK_DISP_PW_DPIO_CMN_C), + ), + .ops = &bxt_dpio_cmn_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &glk_pwdoms_aux_a, .hsw.idx = GLK_PW_CTL_IDX_AUX_A), + I915_PW("AUX_B", &glk_pwdoms_aux_b, .hsw.idx = GLK_PW_CTL_IDX_AUX_B), + I915_PW("AUX_C", &glk_pwdoms_aux_c, .hsw.idx = GLK_PW_CTL_IDX_AUX_C), + I915_PW("DDI_IO_A", &glk_pwdoms_ddi_io_a, .hsw.idx = GLK_PW_CTL_IDX_DDI_A), + I915_PW("DDI_IO_B", &glk_pwdoms_ddi_io_b, .hsw.idx = SKL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_C", &glk_pwdoms_ddi_io_c, .hsw.idx = SKL_PW_CTL_IDX_DDI_C), + ), + .ops = &hsw_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list glk_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(skl_power_wells_pw_1), + I915_PW_DESCRIPTORS(glk_power_wells_main), +}; + +/* + * ICL PW_0/PG_0 domains (HW/DMC control): + * - PCI + * - clocks except port PLL + * - central power except FBC + * - shared functions except pipe interrupts, pipe MBUS, DBUF registers + * ICL PW_1/PG_1 domains (HW/DMC control): + * - DBUF function + * - PIPE_A and its planes, except VGA + * - transcoder EDP + PSR + * - transcoder DSI + * - DDI_A + * - FBC + */ +#define ICL_PW_4_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C + +I915_DECL_PW_DOMAINS(icl_pwdoms_pw_4, + ICL_PW_4_POWER_DOMAINS, + POWER_DOMAIN_INIT); + /* VDSC/joining */ + +#define ICL_PW_3_POWER_DOMAINS \ + ICL_PW_4_POWER_DOMAINS, \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_TRANSCODER_A, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_TRANSCODER_C, \ + POWER_DOMAIN_PORT_DDI_LANES_B, \ + POWER_DOMAIN_PORT_DDI_LANES_C, \ + POWER_DOMAIN_PORT_DDI_LANES_D, \ + POWER_DOMAIN_PORT_DDI_LANES_E, \ + POWER_DOMAIN_PORT_DDI_LANES_F, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_B, \ + POWER_DOMAIN_AUX_C, \ + POWER_DOMAIN_AUX_D, \ + POWER_DOMAIN_AUX_E, \ + POWER_DOMAIN_AUX_F, \ + POWER_DOMAIN_AUX_TBT1, \ + POWER_DOMAIN_AUX_TBT2, \ + POWER_DOMAIN_AUX_TBT3, \ + POWER_DOMAIN_AUX_TBT4 + +I915_DECL_PW_DOMAINS(icl_pwdoms_pw_3, + ICL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_INIT); + /* + * - transcoder WD + * - KVMR (HW control) + */ + +#define ICL_PW_2_POWER_DOMAINS \ + ICL_PW_3_POWER_DOMAINS, \ + POWER_DOMAIN_TRANSCODER_VDSC_PW2 + +I915_DECL_PW_DOMAINS(icl_pwdoms_pw_2, + ICL_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + /* + * - KVMR (HW control) + */ + +I915_DECL_PW_DOMAINS(icl_pwdoms_dc_off, + ICL_PW_2_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_DC_OFF, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(icl_pwdoms_ddi_io_d, POWER_DOMAIN_PORT_DDI_IO_D); +I915_DECL_PW_DOMAINS(icl_pwdoms_ddi_io_e, POWER_DOMAIN_PORT_DDI_IO_E); +I915_DECL_PW_DOMAINS(icl_pwdoms_ddi_io_f, POWER_DOMAIN_PORT_DDI_IO_F); + +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_a, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_IO_A); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_b, POWER_DOMAIN_AUX_B); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_c, POWER_DOMAIN_AUX_C); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_d, POWER_DOMAIN_AUX_D); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_e, POWER_DOMAIN_AUX_E); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_f, POWER_DOMAIN_AUX_F); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt1, POWER_DOMAIN_AUX_TBT1); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt2, POWER_DOMAIN_AUX_TBT2); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt3, POWER_DOMAIN_AUX_TBT3); +I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt4, POWER_DOMAIN_AUX_TBT4); + +static const struct i915_power_well_desc icl_power_wells_pw_1[] = { + { + /* Handled by the DMC firmware */ + .instances = &I915_PW_INSTANCES( + I915_PW("PW_1", I915_PW_DOMAINS_NONE, + .hsw.idx = ICL_PW_CTL_IDX_PW_1, + .id = SKL_DISP_PW_1), + ), + .ops = &hsw_power_well_ops, + .always_on = true, + .has_fuses = true, + }, +}; + +static const struct i915_power_well_desc icl_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &icl_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &icl_pwdoms_pw_2, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_3", &icl_pwdoms_pw_3, + .hsw.idx = ICL_PW_CTL_IDX_PW_3, + .id = ICL_DISP_PW_3), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("DDI_IO_A", &glk_pwdoms_ddi_io_a, .hsw.idx = ICL_PW_CTL_IDX_DDI_A), + I915_PW("DDI_IO_B", &glk_pwdoms_ddi_io_b, .hsw.idx = ICL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_C", &glk_pwdoms_ddi_io_c, .hsw.idx = ICL_PW_CTL_IDX_DDI_C), + I915_PW("DDI_IO_D", &icl_pwdoms_ddi_io_d, .hsw.idx = ICL_PW_CTL_IDX_DDI_D), + I915_PW("DDI_IO_E", &icl_pwdoms_ddi_io_e, .hsw.idx = ICL_PW_CTL_IDX_DDI_E), + I915_PW("DDI_IO_F", &icl_pwdoms_ddi_io_f, .hsw.idx = ICL_PW_CTL_IDX_DDI_F), + ), + .ops = &icl_ddi_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &icl_pwdoms_aux_a, .hsw.idx = ICL_PW_CTL_IDX_AUX_A), + I915_PW("AUX_B", &icl_pwdoms_aux_b, .hsw.idx = ICL_PW_CTL_IDX_AUX_B), + I915_PW("AUX_C", &icl_pwdoms_aux_c, .hsw.idx = ICL_PW_CTL_IDX_AUX_C), + I915_PW("AUX_D", &icl_pwdoms_aux_d, .hsw.idx = ICL_PW_CTL_IDX_AUX_D), + I915_PW("AUX_E", &icl_pwdoms_aux_e, .hsw.idx = ICL_PW_CTL_IDX_AUX_E), + I915_PW("AUX_F", &icl_pwdoms_aux_f, .hsw.idx = ICL_PW_CTL_IDX_AUX_F), + ), + .ops = &icl_aux_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_TBT1", &icl_pwdoms_aux_tbt1, .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT1), + I915_PW("AUX_TBT2", &icl_pwdoms_aux_tbt2, .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT2), + I915_PW("AUX_TBT3", &icl_pwdoms_aux_tbt3, .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT3), + I915_PW("AUX_TBT4", &icl_pwdoms_aux_tbt4, .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT4), + ), + .ops = &icl_aux_power_well_ops, + .is_tc_tbt = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_4", &icl_pwdoms_pw_4, + .hsw.idx = ICL_PW_CTL_IDX_PW_4), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_C), + .has_fuses = true, + }, +}; + +static const struct i915_power_well_desc_list icl_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(icl_power_wells_main), +}; + +#define TGL_PW_5_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_D, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_D, \ + POWER_DOMAIN_TRANSCODER_D + +I915_DECL_PW_DOMAINS(tgl_pwdoms_pw_5, + TGL_PW_5_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +#define TGL_PW_4_POWER_DOMAINS \ + TGL_PW_5_POWER_DOMAINS, \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_C + +I915_DECL_PW_DOMAINS(tgl_pwdoms_pw_4, + TGL_PW_4_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +#define TGL_PW_3_POWER_DOMAINS \ + TGL_PW_4_POWER_DOMAINS, \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ + POWER_DOMAIN_PORT_DDI_LANES_TC3, \ + POWER_DOMAIN_PORT_DDI_LANES_TC4, \ + POWER_DOMAIN_PORT_DDI_LANES_TC5, \ + POWER_DOMAIN_PORT_DDI_LANES_TC6, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_USBC1, \ + POWER_DOMAIN_AUX_USBC2, \ + POWER_DOMAIN_AUX_USBC3, \ + POWER_DOMAIN_AUX_USBC4, \ + POWER_DOMAIN_AUX_USBC5, \ + POWER_DOMAIN_AUX_USBC6, \ + POWER_DOMAIN_AUX_TBT1, \ + POWER_DOMAIN_AUX_TBT2, \ + POWER_DOMAIN_AUX_TBT3, \ + POWER_DOMAIN_AUX_TBT4, \ + POWER_DOMAIN_AUX_TBT5, \ + POWER_DOMAIN_AUX_TBT6 + +I915_DECL_PW_DOMAINS(tgl_pwdoms_pw_3, + TGL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_pw_2, + TGL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_TRANSCODER_VDSC_PW2, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_dc_off, + TGL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_AUX_C, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc1, POWER_DOMAIN_PORT_DDI_IO_TC1); +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc2, POWER_DOMAIN_PORT_DDI_IO_TC2); +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc3, POWER_DOMAIN_PORT_DDI_IO_TC3); +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc4, POWER_DOMAIN_PORT_DDI_IO_TC4); +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc5, POWER_DOMAIN_PORT_DDI_IO_TC5); +I915_DECL_PW_DOMAINS(tgl_pwdoms_ddi_io_tc6, POWER_DOMAIN_PORT_DDI_IO_TC6); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc1, POWER_DOMAIN_AUX_USBC1); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc2, POWER_DOMAIN_AUX_USBC2); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc3, POWER_DOMAIN_AUX_USBC3); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc4, POWER_DOMAIN_AUX_USBC4); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc5, POWER_DOMAIN_AUX_USBC5); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_usbc6, POWER_DOMAIN_AUX_USBC6); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_tbt5, POWER_DOMAIN_AUX_TBT5); +I915_DECL_PW_DOMAINS(tgl_pwdoms_aux_tbt6, POWER_DOMAIN_AUX_TBT6); + +I915_DECL_PW_DOMAINS(tgl_pwdoms_tc_cold_off, + POWER_DOMAIN_AUX_USBC1, + POWER_DOMAIN_AUX_USBC2, + POWER_DOMAIN_AUX_USBC3, + POWER_DOMAIN_AUX_USBC4, + POWER_DOMAIN_AUX_USBC5, + POWER_DOMAIN_AUX_USBC6, + POWER_DOMAIN_AUX_TBT1, + POWER_DOMAIN_AUX_TBT2, + POWER_DOMAIN_AUX_TBT3, + POWER_DOMAIN_AUX_TBT4, + POWER_DOMAIN_AUX_TBT5, + POWER_DOMAIN_AUX_TBT6, + POWER_DOMAIN_TC_COLD_OFF); + +static const struct i915_power_well_desc tgl_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &tgl_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &tgl_pwdoms_pw_2, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_3", &tgl_pwdoms_pw_3, + .hsw.idx = ICL_PW_CTL_IDX_PW_3, + .id = ICL_DISP_PW_3), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .irq_pipe_mask = BIT(PIPE_B), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("DDI_IO_A", &glk_pwdoms_ddi_io_a, .hsw.idx = ICL_PW_CTL_IDX_DDI_A), + I915_PW("DDI_IO_B", &glk_pwdoms_ddi_io_b, .hsw.idx = ICL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_C", &glk_pwdoms_ddi_io_c, .hsw.idx = ICL_PW_CTL_IDX_DDI_C), + I915_PW("DDI_IO_TC1", &tgl_pwdoms_ddi_io_tc1, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1), + I915_PW("DDI_IO_TC2", &tgl_pwdoms_ddi_io_tc2, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2), + I915_PW("DDI_IO_TC3", &tgl_pwdoms_ddi_io_tc3, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3), + I915_PW("DDI_IO_TC4", &tgl_pwdoms_ddi_io_tc4, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4), + I915_PW("DDI_IO_TC5", &tgl_pwdoms_ddi_io_tc5, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC5), + I915_PW("DDI_IO_TC6", &tgl_pwdoms_ddi_io_tc6, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC6), + ), + .ops = &icl_ddi_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_4", &tgl_pwdoms_pw_4, + .hsw.idx = ICL_PW_CTL_IDX_PW_4), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + .irq_pipe_mask = BIT(PIPE_C), + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_5", &tgl_pwdoms_pw_5, + .hsw.idx = TGL_PW_CTL_IDX_PW_5), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + .irq_pipe_mask = BIT(PIPE_D), + }, +}; + +static const struct i915_power_well_desc tgl_power_wells_tc_cold_off[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("TC_cold_off", &tgl_pwdoms_tc_cold_off, + .id = TGL_DISP_PW_TC_COLD_OFF), + ), + .ops = &tgl_tc_cold_off_ops, + }, +}; + +static const struct i915_power_well_desc tgl_power_wells_aux[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &icl_pwdoms_aux_a, .hsw.idx = ICL_PW_CTL_IDX_AUX_A), + I915_PW("AUX_B", &icl_pwdoms_aux_b, .hsw.idx = ICL_PW_CTL_IDX_AUX_B), + I915_PW("AUX_C", &icl_pwdoms_aux_c, .hsw.idx = ICL_PW_CTL_IDX_AUX_C), + I915_PW("AUX_USBC1", &tgl_pwdoms_aux_usbc1, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1), + I915_PW("AUX_USBC2", &tgl_pwdoms_aux_usbc2, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2), + I915_PW("AUX_USBC3", &tgl_pwdoms_aux_usbc3, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3), + I915_PW("AUX_USBC4", &tgl_pwdoms_aux_usbc4, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4), + I915_PW("AUX_USBC5", &tgl_pwdoms_aux_usbc5, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC5), + I915_PW("AUX_USBC6", &tgl_pwdoms_aux_usbc6, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC6), + ), + .ops = &icl_aux_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_TBT1", &icl_pwdoms_aux_tbt1, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1), + I915_PW("AUX_TBT2", &icl_pwdoms_aux_tbt2, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2), + I915_PW("AUX_TBT3", &icl_pwdoms_aux_tbt3, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3), + I915_PW("AUX_TBT4", &icl_pwdoms_aux_tbt4, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4), + I915_PW("AUX_TBT5", &tgl_pwdoms_aux_tbt5, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5), + I915_PW("AUX_TBT6", &tgl_pwdoms_aux_tbt6, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6), + ), + .ops = &icl_aux_power_well_ops, + .is_tc_tbt = true, + }, +}; + +static const struct i915_power_well_desc_list tgl_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(tgl_power_wells_main), + I915_PW_DESCRIPTORS(tgl_power_wells_tc_cold_off), + I915_PW_DESCRIPTORS(tgl_power_wells_aux), +}; + +static const struct i915_power_well_desc_list adls_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(tgl_power_wells_main), + I915_PW_DESCRIPTORS(tgl_power_wells_aux), +}; + +#define RKL_PW_4_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_C + +I915_DECL_PW_DOMAINS(rkl_pwdoms_pw_4, + RKL_PW_4_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +#define RKL_PW_3_POWER_DOMAINS \ + RKL_PW_4_POWER_DOMAINS, \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_MMIO, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_USBC1, \ + POWER_DOMAIN_AUX_USBC2 + +I915_DECL_PW_DOMAINS(rkl_pwdoms_pw_3, + RKL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +/* + * There is no PW_2/PG_2 on RKL. + * + * RKL PW_1/PG_1 domains (under HW/DMC control): + * - DBUF function (note: registers are in PW0) + * - PIPE_A and its planes and VDSC/joining, except VGA + * - transcoder A + * - DDI_A and DDI_B + * - FBC + * + * RKL PW_0/PG_0 domains (under HW/DMC control): + * - PCI + * - clocks except port PLL + * - shared functions: + * * interrupts except pipe interrupts + * * MBus except PIPE_MBUS_DBOX_CTL + * * DBUF registers + * - central power except FBC + * - top-level GTC (DDI-level GTC is in the well associated with the DDI) + */ + +I915_DECL_PW_DOMAINS(rkl_pwdoms_dc_off, + RKL_PW_3_POWER_DOMAINS, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc rkl_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &rkl_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_3", &rkl_pwdoms_pw_3, + .hsw.idx = ICL_PW_CTL_IDX_PW_3, + .id = ICL_DISP_PW_3), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_B), + .has_vga = true, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_4", &rkl_pwdoms_pw_4, + .hsw.idx = ICL_PW_CTL_IDX_PW_4), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + .irq_pipe_mask = BIT(PIPE_C), + }, +}; + +static const struct i915_power_well_desc rkl_power_wells_ddi_aux[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DDI_IO_A", &glk_pwdoms_ddi_io_a, .hsw.idx = ICL_PW_CTL_IDX_DDI_A), + I915_PW("DDI_IO_B", &glk_pwdoms_ddi_io_b, .hsw.idx = ICL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_TC1", &tgl_pwdoms_ddi_io_tc1, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1), + I915_PW("DDI_IO_TC2", &tgl_pwdoms_ddi_io_tc2, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2), + ), + .ops = &icl_ddi_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &icl_pwdoms_aux_a, .hsw.idx = ICL_PW_CTL_IDX_AUX_A), + I915_PW("AUX_B", &icl_pwdoms_aux_b, .hsw.idx = ICL_PW_CTL_IDX_AUX_B), + I915_PW("AUX_USBC1", &tgl_pwdoms_aux_usbc1, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1), + I915_PW("AUX_USBC2", &tgl_pwdoms_aux_usbc2, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2), + ), + .ops = &icl_aux_power_well_ops, + }, +}; + +static const struct i915_power_well_desc_list rkl_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(rkl_power_wells_main), + I915_PW_DESCRIPTORS(rkl_power_wells_ddi_aux), +}; + +/* + * DG1 onwards Audio MMIO/VERBS lies in PG0 power well. + */ +#define DG1_PW_3_POWER_DOMAINS \ + TGL_PW_4_POWER_DOMAINS, \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_TRANSCODER_B, \ + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_USBC1, \ + POWER_DOMAIN_AUX_USBC2 + +I915_DECL_PW_DOMAINS(dg1_pwdoms_pw_3, + DG1_PW_3_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(dg1_pwdoms_dc_off, + DG1_PW_3_POWER_DOMAINS, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(dg1_pwdoms_pw_2, + DG1_PW_3_POWER_DOMAINS, + POWER_DOMAIN_TRANSCODER_VDSC_PW2, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc dg1_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &dg1_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &dg1_pwdoms_pw_2, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_3", &dg1_pwdoms_pw_3, + .hsw.idx = ICL_PW_CTL_IDX_PW_3, + .id = ICL_DISP_PW_3), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_B), + .has_vga = true, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_4", &tgl_pwdoms_pw_4, + .hsw.idx = ICL_PW_CTL_IDX_PW_4), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + .irq_pipe_mask = BIT(PIPE_C), + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_5", &tgl_pwdoms_pw_5, + .hsw.idx = TGL_PW_CTL_IDX_PW_5), + ), + .ops = &hsw_power_well_ops, + .has_fuses = true, + .irq_pipe_mask = BIT(PIPE_D), + }, +}; + +static const struct i915_power_well_desc_list dg1_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(dg1_power_wells_main), + I915_PW_DESCRIPTORS(rkl_power_wells_ddi_aux), +}; + +/* + * XE_LPD Power Domains + * + * Previous platforms required that PG(n-1) be enabled before PG(n). That + * dependency chain turns into a dependency tree on XE_LPD: + * + * PG0 + * | + * --PG1-- + * / \ + * PGA --PG2-- + * / | \ + * PGB PGC PGD + * + * Power wells must be enabled from top to bottom and disabled from bottom + * to top. This allows pipes to be power gated independently. + */ + +#define XELPD_PW_D_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_D, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_D, \ + POWER_DOMAIN_TRANSCODER_D + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_pw_d, + XELPD_PW_D_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +#define XELPD_PW_C_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C, \ + POWER_DOMAIN_TRANSCODER_C + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_pw_c, + XELPD_PW_C_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +#define XELPD_PW_B_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_B, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_B, \ + POWER_DOMAIN_TRANSCODER_B + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_pw_b, + XELPD_PW_B_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_pw_a, + POWER_DOMAIN_PIPE_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_INIT); + +#define XELPD_PW_2_POWER_DOMAINS \ + XELPD_PW_B_POWER_DOMAINS, \ + XELPD_PW_C_POWER_DOMAINS, \ + XELPD_PW_D_POWER_DOMAINS, \ + POWER_DOMAIN_PORT_DDI_LANES_C, \ + POWER_DOMAIN_PORT_DDI_LANES_D, \ + POWER_DOMAIN_PORT_DDI_LANES_E, \ + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ + POWER_DOMAIN_PORT_DDI_LANES_TC3, \ + POWER_DOMAIN_PORT_DDI_LANES_TC4, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_AUDIO_PLAYBACK, \ + POWER_DOMAIN_AUX_C, \ + POWER_DOMAIN_AUX_D, \ + POWER_DOMAIN_AUX_E, \ + POWER_DOMAIN_AUX_USBC1, \ + POWER_DOMAIN_AUX_USBC2, \ + POWER_DOMAIN_AUX_USBC3, \ + POWER_DOMAIN_AUX_USBC4, \ + POWER_DOMAIN_AUX_TBT1, \ + POWER_DOMAIN_AUX_TBT2, \ + POWER_DOMAIN_AUX_TBT3, \ + POWER_DOMAIN_AUX_TBT4 + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_pw_2, + XELPD_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +/* + * XELPD PW_1/PG_1 domains (under HW/DMC control): + * - DBUF function (registers are in PW0) + * - Transcoder A + * - DDI_A and DDI_B + * + * XELPD PW_0/PW_1 domains (under HW/DMC control): + * - PCI + * - Clocks except port PLL + * - Shared functions: + * * interrupts except pipe interrupts + * * MBus except PIPE_MBUS_DBOX_CTL + * * DBUF registers + * - Central power except FBC + * - Top-level GTC (DDI-level GTC is in the well associated with the DDI) + */ + +I915_DECL_PW_DOMAINS(xelpd_pwdoms_dc_off, + XELPD_PW_2_POWER_DOMAINS, + POWER_DOMAIN_PORT_DSI, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUX_A, + POWER_DOMAIN_AUX_B, + POWER_DOMAIN_MODESET, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc xelpd_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &xelpd_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &xelpd_pwdoms_pw_2, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_A", &xelpd_pwdoms_pw_a, + .hsw.idx = XELPD_PW_CTL_IDX_PW_A), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_A), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_B", &xelpd_pwdoms_pw_b, + .hsw.idx = XELPD_PW_CTL_IDX_PW_B), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_B), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_C", &xelpd_pwdoms_pw_c, + .hsw.idx = XELPD_PW_CTL_IDX_PW_C), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_C), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_D", &xelpd_pwdoms_pw_d, + .hsw.idx = XELPD_PW_CTL_IDX_PW_D), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_D), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("DDI_IO_A", &glk_pwdoms_ddi_io_a, .hsw.idx = ICL_PW_CTL_IDX_DDI_A), + I915_PW("DDI_IO_B", &glk_pwdoms_ddi_io_b, .hsw.idx = ICL_PW_CTL_IDX_DDI_B), + I915_PW("DDI_IO_C", &glk_pwdoms_ddi_io_c, .hsw.idx = ICL_PW_CTL_IDX_DDI_C), + I915_PW("DDI_IO_D", &icl_pwdoms_ddi_io_d, .hsw.idx = XELPD_PW_CTL_IDX_DDI_D), + I915_PW("DDI_IO_E", &icl_pwdoms_ddi_io_e, .hsw.idx = XELPD_PW_CTL_IDX_DDI_E), + I915_PW("DDI_IO_TC1", &tgl_pwdoms_ddi_io_tc1, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1), + I915_PW("DDI_IO_TC2", &tgl_pwdoms_ddi_io_tc2, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2), + I915_PW("DDI_IO_TC3", &tgl_pwdoms_ddi_io_tc3, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3), + I915_PW("DDI_IO_TC4", &tgl_pwdoms_ddi_io_tc4, .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4), + ), + .ops = &icl_ddi_power_well_ops, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &icl_pwdoms_aux_a, .hsw.idx = ICL_PW_CTL_IDX_AUX_A), + I915_PW("AUX_B", &icl_pwdoms_aux_b, .hsw.idx = ICL_PW_CTL_IDX_AUX_B), + I915_PW("AUX_C", &icl_pwdoms_aux_c, .hsw.idx = ICL_PW_CTL_IDX_AUX_C), + I915_PW("AUX_D", &icl_pwdoms_aux_d, .hsw.idx = XELPD_PW_CTL_IDX_AUX_D), + I915_PW("AUX_E", &icl_pwdoms_aux_e, .hsw.idx = XELPD_PW_CTL_IDX_AUX_E), + I915_PW("AUX_USBC1", &tgl_pwdoms_aux_usbc1, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1), + I915_PW("AUX_USBC2", &tgl_pwdoms_aux_usbc2, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2), + I915_PW("AUX_USBC3", &tgl_pwdoms_aux_usbc3, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3), + I915_PW("AUX_USBC4", &tgl_pwdoms_aux_usbc4, .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4), + ), + .ops = &icl_aux_power_well_ops, + .fixed_enable_delay = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_TBT1", &icl_pwdoms_aux_tbt1, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1), + I915_PW("AUX_TBT2", &icl_pwdoms_aux_tbt2, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2), + I915_PW("AUX_TBT3", &icl_pwdoms_aux_tbt3, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3), + I915_PW("AUX_TBT4", &icl_pwdoms_aux_tbt4, .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4), + ), + .ops = &icl_aux_power_well_ops, + .is_tc_tbt = true, + }, +}; + +static const struct i915_power_well_desc_list xelpd_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(xelpd_power_wells_main), +}; + +static void init_power_well_domains(const struct i915_power_well_instance *inst, + struct i915_power_well *power_well) +{ + int j; + + if (!inst->domain_list) + return; + + if (inst->domain_list->count == 0) { + bitmap_fill(power_well->domains.bits, POWER_DOMAIN_NUM); + + return; + } + + for (j = 0; j < inst->domain_list->count; j++) + set_bit(inst->domain_list->list[j], power_well->domains.bits); +} + +#define for_each_power_well_instance_in_desc_list(_desc_list, _desc_count, _desc, _inst) \ + for ((_desc) = (_desc_list); (_desc) - (_desc_list) < (_desc_count); (_desc)++) \ + for ((_inst) = (_desc)->instances->list; \ + (_inst) - (_desc)->instances->list < (_desc)->instances->count; \ + (_inst)++) + +#define for_each_power_well_instance(_desc_list, _desc_count, _descs, _desc, _inst) \ + for ((_descs) = (_desc_list); \ + (_descs) - (_desc_list) < (_desc_count); \ + (_descs)++) \ + for_each_power_well_instance_in_desc_list((_descs)->list, (_descs)->count, \ + (_desc), (_inst)) + +static int +__set_power_wells(struct i915_power_domains *power_domains, + const struct i915_power_well_desc_list *power_well_descs, + int power_well_descs_sz) +{ + struct drm_i915_private *i915 = container_of(power_domains, + struct drm_i915_private, + power_domains); + u64 power_well_ids = 0; + const struct i915_power_well_desc_list *desc_list; + const struct i915_power_well_desc *desc; + const struct i915_power_well_instance *inst; + int power_well_count = 0; + int plt_idx = 0; + + for_each_power_well_instance(power_well_descs, power_well_descs_sz, desc_list, desc, inst) + power_well_count++; + + power_domains->power_well_count = power_well_count; + power_domains->power_wells = + kcalloc(power_well_count, + sizeof(*power_domains->power_wells), + GFP_KERNEL); + if (!power_domains->power_wells) + return -ENOMEM; + + for_each_power_well_instance(power_well_descs, power_well_descs_sz, desc_list, desc, inst) { + struct i915_power_well *pw = &power_domains->power_wells[plt_idx]; + enum i915_power_well_id id = inst->id; + + pw->desc = desc; + drm_WARN_ON(&i915->drm, + overflows_type(inst - desc->instances->list, pw->instance_idx)); + pw->instance_idx = inst - desc->instances->list; + + init_power_well_domains(inst, pw); + + plt_idx++; + + if (id == DISP_PW_ID_NONE) + continue; + + drm_WARN_ON(&i915->drm, id >= sizeof(power_well_ids) * 8); + drm_WARN_ON(&i915->drm, power_well_ids & BIT_ULL(id)); + power_well_ids |= BIT_ULL(id); + } + + return 0; +} + +#define set_power_wells(power_domains, __power_well_descs) \ + __set_power_wells(power_domains, __power_well_descs, \ + ARRAY_SIZE(__power_well_descs)) + +/** + * intel_display_power_map_init - initialize power domain -> power well mappings + * @power_domains: power domain state + * + * Creates all the power wells for the current platform, initializes the + * dynamic state for them and initializes the mapping of each power well to + * all the power domains the power well belongs to. + */ +int intel_display_power_map_init(struct i915_power_domains *power_domains) +{ + struct drm_i915_private *i915 = container_of(power_domains, + struct drm_i915_private, + power_domains); + /* + * The enabling order will be from lower to higher indexed wells, + * the disabling order is reversed. + */ + if (!HAS_DISPLAY(i915)) { + power_domains->power_well_count = 0; + return 0; + } + + if (DISPLAY_VER(i915) >= 13) + return set_power_wells(power_domains, xelpd_power_wells); + else if (IS_DG1(i915)) + return set_power_wells(power_domains, dg1_power_wells); + else if (IS_ALDERLAKE_S(i915)) + return set_power_wells(power_domains, adls_power_wells); + else if (IS_ROCKETLAKE(i915)) + return set_power_wells(power_domains, rkl_power_wells); + else if (DISPLAY_VER(i915) == 12) + return set_power_wells(power_domains, tgl_power_wells); + else if (DISPLAY_VER(i915) == 11) + return set_power_wells(power_domains, icl_power_wells); + else if (IS_GEMINILAKE(i915)) + return set_power_wells(power_domains, glk_power_wells); + else if (IS_BROXTON(i915)) + return set_power_wells(power_domains, bxt_power_wells); + else if (DISPLAY_VER(i915) == 9) + return set_power_wells(power_domains, skl_power_wells); + else if (IS_CHERRYVIEW(i915)) + return set_power_wells(power_domains, chv_power_wells); + else if (IS_BROADWELL(i915)) + return set_power_wells(power_domains, bdw_power_wells); + else if (IS_HASWELL(i915)) + return set_power_wells(power_domains, hsw_power_wells); + else if (IS_VALLEYVIEW(i915)) + return set_power_wells(power_domains, vlv_power_wells); + else if (IS_I830(i915)) + return set_power_wells(power_domains, i830_power_wells); + else + return set_power_wells(power_domains, i9xx_power_wells); +} + +/** + * intel_display_power_map_cleanup - clean up power domain -> power well mappings + * @power_domains: power domain state + * + * Cleans up all the state that was initialized by intel_display_power_map_init(). + */ +void intel_display_power_map_cleanup(struct i915_power_domains *power_domains) +{ + kfree(power_domains->power_wells); +} diff --git a/drivers/gpu/drm/i915/display/intel_display_power_map.h b/drivers/gpu/drm/i915/display/intel_display_power_map.h new file mode 100644 index 000000000000..da8f7055a44c --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_power_map.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef __INTEL_DISPLAY_POWER_MAP_H__ +#define __INTEL_DISPLAY_POWER_MAP_H__ + +struct i915_power_domains; + +int intel_display_power_map_init(struct i915_power_domains *power_domains); +void intel_display_power_map_cleanup(struct i915_power_domains *power_domains); + +#endif diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c index 2a0fb9d9c60f..5be18eb94042 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c @@ -4,7 +4,65 @@ */ #include "i915_drv.h" +#include "i915_irq.h" +#include "intel_combo_phy.h" +#include "intel_combo_phy_regs.h" +#include "intel_crt.h" +#include "intel_de.h" #include "intel_display_power_well.h" +#include "intel_display_types.h" +#include "intel_dmc.h" +#include "intel_dpio_phy.h" +#include "intel_dpll.h" +#include "intel_hotplug.h" +#include "intel_pcode.h" +#include "intel_pm.h" +#include "intel_pps.h" +#include "intel_tc.h" +#include "intel_vga.h" +#include "vlv_sideband.h" +#include "vlv_sideband_reg.h" + +struct i915_power_well_regs { + i915_reg_t bios; + i915_reg_t driver; + i915_reg_t kvmr; + i915_reg_t debug; +}; + +struct i915_power_well_ops { + const struct i915_power_well_regs *regs; + /* + * Synchronize the well's hw state to match the current sw state, for + * example enable/disable it based on the current refcount. Called + * during driver init and resume time, possibly after first calling + * the enable/disable handlers. + */ + void (*sync_hw)(struct drm_i915_private *i915, + struct i915_power_well *power_well); + /* + * Enable the well and resources that depend on it (for example + * interrupts located on the well). Called after the 0->1 refcount + * transition. + */ + void (*enable)(struct drm_i915_private *i915, + struct i915_power_well *power_well); + /* + * Disable the well and resources that depend on it. Called after + * the 1->0 refcount transition. + */ + void (*disable)(struct drm_i915_private *i915, + struct i915_power_well *power_well); + /* Returns the hw enabled state. */ + bool (*is_enabled)(struct drm_i915_private *i915, + struct i915_power_well *power_well); +}; + +static const struct i915_power_well_instance * +i915_power_well_instance(const struct i915_power_well *power_well) +{ + return &power_well->desc->instances->list[power_well->instance_idx]; +} struct i915_power_well * lookup_power_well(struct drm_i915_private *i915, @@ -13,7 +71,7 @@ lookup_power_well(struct drm_i915_private *i915, struct i915_power_well *power_well; for_each_power_well(i915, power_well) - if (power_well->desc->id == power_well_id) + if (i915_power_well_instance(power_well)->id == power_well_id) return power_well; /* @@ -32,7 +90,7 @@ lookup_power_well(struct drm_i915_private *i915, void intel_power_well_enable(struct drm_i915_private *i915, struct i915_power_well *power_well) { - drm_dbg_kms(&i915->drm, "enabling %s\n", power_well->desc->name); + drm_dbg_kms(&i915->drm, "enabling %s\n", intel_power_well_name(power_well)); power_well->desc->ops->enable(i915, power_well); power_well->hw_enabled = true; } @@ -40,7 +98,7 @@ void intel_power_well_enable(struct drm_i915_private *i915, void intel_power_well_disable(struct drm_i915_private *i915, struct i915_power_well *power_well) { - drm_dbg_kms(&i915->drm, "disabling %s\n", power_well->desc->name); + drm_dbg_kms(&i915->drm, "disabling %s\n", intel_power_well_name(power_well)); power_well->hw_enabled = false; power_well->desc->ops->disable(i915, power_well); } @@ -65,7 +123,7 @@ void intel_power_well_put(struct drm_i915_private *i915, { drm_WARN(&i915->drm, !power_well->count, "Use count on power well %s is already zero", - power_well->desc->name); + i915_power_well_instance(power_well)->name); if (!--power_well->count) intel_power_well_disable(i915, power_well); @@ -99,15 +157,1756 @@ bool intel_power_well_is_always_on(struct i915_power_well *power_well) const char *intel_power_well_name(struct i915_power_well *power_well) { - return power_well->desc->name; + return i915_power_well_instance(power_well)->name; } -u64 intel_power_well_domains(struct i915_power_well *power_well) +struct intel_power_domain_mask *intel_power_well_domains(struct i915_power_well *power_well) { - return power_well->desc->domains; + return &power_well->domains; } int intel_power_well_refcount(struct i915_power_well *power_well) { return power_well->count; } + +/* + * Starting with Haswell, we have a "Power Down Well" that can be turned off + * when not needed anymore. We have 4 registers that can request the power well + * to be enabled, and it will only be disabled if none of the registers is + * requesting it to be enabled. + */ +static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv, + u8 irq_pipe_mask, bool has_vga) +{ + if (has_vga) + intel_vga_reset_io_mem(dev_priv); + + if (irq_pipe_mask) + gen8_irq_power_well_post_enable(dev_priv, irq_pipe_mask); +} + +static void hsw_power_well_pre_disable(struct drm_i915_private *dev_priv, + u8 irq_pipe_mask) +{ + if (irq_pipe_mask) + gen8_irq_power_well_pre_disable(dev_priv, irq_pipe_mask); +} + +#define ICL_AUX_PW_TO_CH(pw_idx) \ + ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A) + +#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \ + ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C) + +static enum aux_ch icl_aux_pw_to_ch(const struct i915_power_well *power_well) +{ + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + + return power_well->desc->is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : + ICL_AUX_PW_TO_CH(pw_idx); +} + +static struct intel_digital_port * +aux_ch_to_digital_port(struct drm_i915_private *dev_priv, + enum aux_ch aux_ch) +{ + struct intel_digital_port *dig_port = NULL; + struct intel_encoder *encoder; + + for_each_intel_encoder(&dev_priv->drm, encoder) { + /* We'll check the MST primary port */ + if (encoder->type == INTEL_OUTPUT_DP_MST) + continue; + + dig_port = enc_to_dig_port(encoder); + if (!dig_port) + continue; + + if (dig_port->aux_ch != aux_ch) { + dig_port = NULL; + continue; + } + + break; + } + + return dig_port; +} + +static enum phy icl_aux_pw_to_phy(struct drm_i915_private *i915, + const struct i915_power_well *power_well) +{ + enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); + struct intel_digital_port *dig_port = aux_ch_to_digital_port(i915, aux_ch); + + return intel_port_to_phy(i915, dig_port->base.port); +} + +static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well, + bool timeout_expected) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + + /* + * For some power wells we're not supposed to watch the status bit for + * an ack, but rather just wait a fixed amount of time and then + * proceed. This is only used on DG2. + */ + if (IS_DG2(dev_priv) && power_well->desc->fixed_enable_delay) { + usleep_range(600, 1200); + return; + } + + /* Timeout for PW1:10 us, AUX:not specified, other PWs:20 us. */ + if (intel_de_wait_for_set(dev_priv, regs->driver, + HSW_PWR_WELL_CTL_STATE(pw_idx), 1)) { + drm_dbg_kms(&dev_priv->drm, "%s power well enable timeout\n", + intel_power_well_name(power_well)); + + drm_WARN_ON(&dev_priv->drm, !timeout_expected); + + } +} + +static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv, + const struct i915_power_well_regs *regs, + int pw_idx) +{ + u32 req_mask = HSW_PWR_WELL_CTL_REQ(pw_idx); + u32 ret; + + ret = intel_de_read(dev_priv, regs->bios) & req_mask ? 1 : 0; + ret |= intel_de_read(dev_priv, regs->driver) & req_mask ? 2 : 0; + if (regs->kvmr.reg) + ret |= intel_de_read(dev_priv, regs->kvmr) & req_mask ? 4 : 0; + ret |= intel_de_read(dev_priv, regs->debug) & req_mask ? 8 : 0; + + return ret; +} + +static void hsw_wait_for_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + bool disabled; + u32 reqs; + + /* + * Bspec doesn't require waiting for PWs to get disabled, but still do + * this for paranoia. The known cases where a PW will be forced on: + * - a KVMR request on any power well via the KVMR request register + * - a DMC request on PW1 and MISC_IO power wells via the BIOS and + * DEBUG request registers + * Skip the wait in case any of the request bits are set and print a + * diagnostic message. + */ + wait_for((disabled = !(intel_de_read(dev_priv, regs->driver) & + HSW_PWR_WELL_CTL_STATE(pw_idx))) || + (reqs = hsw_power_well_requesters(dev_priv, regs, pw_idx)), 1); + if (disabled) + return; + + drm_dbg_kms(&dev_priv->drm, + "%s forced on (bios:%d driver:%d kvmr:%d debug:%d)\n", + intel_power_well_name(power_well), + !!(reqs & 1), !!(reqs & 2), !!(reqs & 4), !!(reqs & 8)); +} + +static void gen9_wait_for_power_well_fuses(struct drm_i915_private *dev_priv, + enum skl_power_gate pg) +{ + /* Timeout 5us for PG#0, for other PGs 1us */ + drm_WARN_ON(&dev_priv->drm, + intel_de_wait_for_set(dev_priv, SKL_FUSE_STATUS, + SKL_FUSE_PG_DIST_STATUS(pg), 1)); +} + +static void hsw_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + u32 val; + + if (power_well->desc->has_fuses) { + enum skl_power_gate pg; + + pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : + SKL_PW_CTL_IDX_TO_PG(pw_idx); + + /* Wa_16013190616:adlp */ + if (IS_ALDERLAKE_P(dev_priv) && pg == SKL_PG1) + intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0, DISABLE_FLR_SRC); + + /* + * For PW1 we have to wait both for the PW0/PG0 fuse state + * before enabling the power well and PW1/PG1's own fuse + * state after the enabling. For all other power wells with + * fuses we only have to wait for that PW/PG's fuse state + * after the enabling. + */ + if (pg == SKL_PG1) + gen9_wait_for_power_well_fuses(dev_priv, SKL_PG0); + } + + val = intel_de_read(dev_priv, regs->driver); + intel_de_write(dev_priv, regs->driver, + val | HSW_PWR_WELL_CTL_REQ(pw_idx)); + + hsw_wait_for_power_well_enable(dev_priv, power_well, false); + + if (power_well->desc->has_fuses) { + enum skl_power_gate pg; + + pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : + SKL_PW_CTL_IDX_TO_PG(pw_idx); + gen9_wait_for_power_well_fuses(dev_priv, pg); + } + + hsw_power_well_post_enable(dev_priv, + power_well->desc->irq_pipe_mask, + power_well->desc->has_vga); +} + +static void hsw_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + u32 val; + + hsw_power_well_pre_disable(dev_priv, + power_well->desc->irq_pipe_mask); + + val = intel_de_read(dev_priv, regs->driver); + intel_de_write(dev_priv, regs->driver, + val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); + hsw_wait_for_power_well_disable(dev_priv, power_well); +} + +static void +icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); + u32 val; + + drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); + + val = intel_de_read(dev_priv, regs->driver); + intel_de_write(dev_priv, regs->driver, + val | HSW_PWR_WELL_CTL_REQ(pw_idx)); + + if (DISPLAY_VER(dev_priv) < 12) { + val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); + intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), + val | ICL_LANE_ENABLE_AUX); + } + + hsw_wait_for_power_well_enable(dev_priv, power_well, false); + + /* Display WA #1178: icl */ + if (pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B && + !intel_bios_is_port_edp(dev_priv, (enum port)phy)) { + val = intel_de_read(dev_priv, ICL_AUX_ANAOVRD1(pw_idx)); + val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS; + intel_de_write(dev_priv, ICL_AUX_ANAOVRD1(pw_idx), val); + } +} + +static void +icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); + u32 val; + + drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); + + val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); + intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), + val & ~ICL_LANE_ENABLE_AUX); + + val = intel_de_read(dev_priv, regs->driver); + intel_de_write(dev_priv, regs->driver, + val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); + + hsw_wait_for_power_well_disable(dev_priv, power_well); +} + +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) + +static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well, + struct intel_digital_port *dig_port) +{ + if (drm_WARN_ON(&dev_priv->drm, !dig_port)) + return; + + if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) + return; + + drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port)); +} + +#else + +static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well, + struct intel_digital_port *dig_port) +{ +} + +#endif + +#define TGL_AUX_PW_TO_TC_PORT(pw_idx) ((pw_idx) - TGL_PW_CTL_IDX_AUX_TC1) + +static void icl_tc_cold_exit(struct drm_i915_private *i915) +{ + int ret, tries = 0; + + while (1) { + ret = snb_pcode_write_timeout(i915, ICL_PCODE_EXIT_TCCOLD, 0, + 250, 1); + if (ret != -EAGAIN || ++tries == 3) + break; + msleep(1); + } + + /* Spec states that TC cold exit can take up to 1ms to complete */ + if (!ret) + msleep(1); + + /* TODO: turn failure into a error as soon i915 CI updates ICL IFWI */ + drm_dbg_kms(&i915->drm, "TC cold block %s\n", ret ? "failed" : + "succeeded"); +} + +static void +icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); + struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch); + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + bool is_tbt = power_well->desc->is_tc_tbt; + bool timeout_expected; + u32 val; + + icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port); + + val = intel_de_read(dev_priv, DP_AUX_CH_CTL(aux_ch)); + val &= ~DP_AUX_CH_CTL_TBT_IO; + if (is_tbt) + val |= DP_AUX_CH_CTL_TBT_IO; + intel_de_write(dev_priv, DP_AUX_CH_CTL(aux_ch), val); + + val = intel_de_read(dev_priv, regs->driver); + intel_de_write(dev_priv, regs->driver, + val | HSW_PWR_WELL_CTL_REQ(i915_power_well_instance(power_well)->hsw.idx)); + + /* + * An AUX timeout is expected if the TBT DP tunnel is down, + * or need to enable AUX on a legacy TypeC port as part of the TC-cold + * exit sequence. + */ + timeout_expected = is_tbt || intel_tc_cold_requires_aux_pw(dig_port); + if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) + icl_tc_cold_exit(dev_priv); + + hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected); + + if (DISPLAY_VER(dev_priv) >= 12 && !is_tbt) { + enum tc_port tc_port; + + tc_port = TGL_AUX_PW_TO_TC_PORT(i915_power_well_instance(power_well)->hsw.idx); + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, 0x2)); + + if (intel_de_wait_for_set(dev_priv, DKL_CMN_UC_DW_27(tc_port), + DKL_CMN_UC_DW27_UC_HEALTH, 1)) + drm_warn(&dev_priv->drm, + "Timeout waiting TC uC health\n"); + } +} + +static void +icl_aux_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); + + if (intel_phy_is_tc(dev_priv, phy)) + return icl_tc_phy_aux_power_well_enable(dev_priv, power_well); + else if (IS_ICELAKE(dev_priv)) + return icl_combo_phy_aux_power_well_enable(dev_priv, + power_well); + else + return hsw_power_well_enable(dev_priv, power_well); +} + +static void +icl_aux_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); + + if (intel_phy_is_tc(dev_priv, phy)) + return hsw_power_well_disable(dev_priv, power_well); + else if (IS_ICELAKE(dev_priv)) + return icl_combo_phy_aux_power_well_disable(dev_priv, + power_well); + else + return hsw_power_well_disable(dev_priv, power_well); +} + +/* + * We should only use the power well if we explicitly asked the hardware to + * enable it, so check if it's enabled and also check if we've requested it to + * be enabled. + */ +static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + enum i915_power_well_id id = i915_power_well_instance(power_well)->id; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx) | + HSW_PWR_WELL_CTL_STATE(pw_idx); + u32 val; + + val = intel_de_read(dev_priv, regs->driver); + + /* + * On GEN9 big core due to a DMC bug the driver's request bits for PW1 + * and the MISC_IO PW will be not restored, so check instead for the + * BIOS's own request bits, which are forced-on for these power wells + * when exiting DC5/6. + */ + if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) && + (id == SKL_DISP_PW_1 || id == SKL_DISP_PW_MISC_IO)) + val |= intel_de_read(dev_priv, regs->bios); + + return (val & mask) == mask; +} + +static void assert_can_enable_dc9(struct drm_i915_private *dev_priv) +{ + drm_WARN_ONCE(&dev_priv->drm, + (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC9), + "DC9 already programmed to be enabled.\n"); + drm_WARN_ONCE(&dev_priv->drm, + intel_de_read(dev_priv, DC_STATE_EN) & + DC_STATE_EN_UPTO_DC5, + "DC5 still not disabled to enable DC9.\n"); + drm_WARN_ONCE(&dev_priv->drm, + intel_de_read(dev_priv, HSW_PWR_WELL_CTL2) & + HSW_PWR_WELL_CTL_REQ(SKL_PW_CTL_IDX_PW_2), + "Power well 2 on.\n"); + drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), + "Interrupts not disabled yet.\n"); + + /* + * TODO: check for the following to verify the conditions to enter DC9 + * state are satisfied: + * 1] Check relevant display engine registers to verify if mode set + * disable sequence was followed. + * 2] Check if display uninitialize sequence is initialized. + */ +} + +static void assert_can_disable_dc9(struct drm_i915_private *dev_priv) +{ + drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), + "Interrupts not disabled yet.\n"); + drm_WARN_ONCE(&dev_priv->drm, + intel_de_read(dev_priv, DC_STATE_EN) & + DC_STATE_EN_UPTO_DC5, + "DC5 still not disabled.\n"); + + /* + * TODO: check for the following to verify DC9 state was indeed + * entered before programming to disable it: + * 1] Check relevant display engine registers to verify if mode + * set disable sequence was followed. + * 2] Check if display uninitialize sequence is initialized. + */ +} + +static void gen9_write_dc_state(struct drm_i915_private *dev_priv, + u32 state) +{ + int rewrites = 0; + int rereads = 0; + u32 v; + + intel_de_write(dev_priv, DC_STATE_EN, state); + + /* It has been observed that disabling the dc6 state sometimes + * doesn't stick and dmc keeps returning old value. Make sure + * the write really sticks enough times and also force rewrite until + * we are confident that state is exactly what we want. + */ + do { + v = intel_de_read(dev_priv, DC_STATE_EN); + + if (v != state) { + intel_de_write(dev_priv, DC_STATE_EN, state); + rewrites++; + rereads = 0; + } else if (rereads++ > 5) { + break; + } + + } while (rewrites < 100); + + if (v != state) + drm_err(&dev_priv->drm, + "Writing dc state to 0x%x failed, now 0x%x\n", + state, v); + + /* Most of the times we need one retry, avoid spam */ + if (rewrites > 1) + drm_dbg_kms(&dev_priv->drm, + "Rewrote dc state to 0x%x %d times\n", + state, rewrites); +} + +static u32 gen9_dc_mask(struct drm_i915_private *dev_priv) +{ + u32 mask; + + mask = DC_STATE_EN_UPTO_DC5; + + if (DISPLAY_VER(dev_priv) >= 12) + mask |= DC_STATE_EN_DC3CO | DC_STATE_EN_UPTO_DC6 + | DC_STATE_EN_DC9; + else if (DISPLAY_VER(dev_priv) == 11) + mask |= DC_STATE_EN_UPTO_DC6 | DC_STATE_EN_DC9; + else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) + mask |= DC_STATE_EN_DC9; + else + mask |= DC_STATE_EN_UPTO_DC6; + + return mask; +} + +void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv) +{ + u32 val; + + if (!HAS_DISPLAY(dev_priv)) + return; + + val = intel_de_read(dev_priv, DC_STATE_EN) & gen9_dc_mask(dev_priv); + + drm_dbg_kms(&dev_priv->drm, + "Resetting DC state tracking from %02x to %02x\n", + dev_priv->dmc.dc_state, val); + dev_priv->dmc.dc_state = val; +} + +/** + * gen9_set_dc_state - set target display C power state + * @dev_priv: i915 device instance + * @state: target DC power state + * - DC_STATE_DISABLE + * - DC_STATE_EN_UPTO_DC5 + * - DC_STATE_EN_UPTO_DC6 + * - DC_STATE_EN_DC9 + * + * Signal to DMC firmware/HW the target DC power state passed in @state. + * DMC/HW can turn off individual display clocks and power rails when entering + * a deeper DC power state (higher in number) and turns these back when exiting + * that state to a shallower power state (lower in number). The HW will decide + * when to actually enter a given state on an on-demand basis, for instance + * depending on the active state of display pipes. The state of display + * registers backed by affected power rails are saved/restored as needed. + * + * Based on the above enabling a deeper DC power state is asynchronous wrt. + * enabling it. Disabling a deeper power state is synchronous: for instance + * setting %DC_STATE_DISABLE won't complete until all HW resources are turned + * back on and register state is restored. This is guaranteed by the MMIO write + * to DC_STATE_EN blocking until the state is restored. + */ +void gen9_set_dc_state(struct drm_i915_private *dev_priv, u32 state) +{ + u32 val; + u32 mask; + + if (!HAS_DISPLAY(dev_priv)) + return; + + if (drm_WARN_ON_ONCE(&dev_priv->drm, + state & ~dev_priv->dmc.allowed_dc_mask)) + state &= dev_priv->dmc.allowed_dc_mask; + + val = intel_de_read(dev_priv, DC_STATE_EN); + mask = gen9_dc_mask(dev_priv); + drm_dbg_kms(&dev_priv->drm, "Setting DC state from %02x to %02x\n", + val & mask, state); + + /* Check if DMC is ignoring our DC state requests */ + if ((val & mask) != dev_priv->dmc.dc_state) + drm_err(&dev_priv->drm, "DC state mismatch (0x%x -> 0x%x)\n", + dev_priv->dmc.dc_state, val & mask); + + val &= ~mask; + val |= state; + + gen9_write_dc_state(dev_priv, val); + + dev_priv->dmc.dc_state = val & mask; +} + +static void tgl_enable_dc3co(struct drm_i915_private *dev_priv) +{ + drm_dbg_kms(&dev_priv->drm, "Enabling DC3CO\n"); + gen9_set_dc_state(dev_priv, DC_STATE_EN_DC3CO); +} + +static void tgl_disable_dc3co(struct drm_i915_private *dev_priv) +{ + u32 val; + + drm_dbg_kms(&dev_priv->drm, "Disabling DC3CO\n"); + val = intel_de_read(dev_priv, DC_STATE_EN); + val &= ~DC_STATE_DC3CO_STATUS; + intel_de_write(dev_priv, DC_STATE_EN, val); + gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); + /* + * Delay of 200us DC3CO Exit time B.Spec 49196 + */ + usleep_range(200, 210); +} + +static void assert_can_enable_dc5(struct drm_i915_private *dev_priv) +{ + enum i915_power_well_id high_pg; + + /* Power wells at this level and above must be disabled for DC5 entry */ + if (DISPLAY_VER(dev_priv) == 12) + high_pg = ICL_DISP_PW_3; + else + high_pg = SKL_DISP_PW_2; + + drm_WARN_ONCE(&dev_priv->drm, + intel_display_power_well_is_enabled(dev_priv, high_pg), + "Power wells above platform's DC5 limit still enabled.\n"); + + drm_WARN_ONCE(&dev_priv->drm, + (intel_de_read(dev_priv, DC_STATE_EN) & + DC_STATE_EN_UPTO_DC5), + "DC5 already programmed to be enabled.\n"); + assert_rpm_wakelock_held(&dev_priv->runtime_pm); + + assert_dmc_loaded(dev_priv); +} + +void gen9_enable_dc5(struct drm_i915_private *dev_priv) +{ + assert_can_enable_dc5(dev_priv); + + drm_dbg_kms(&dev_priv->drm, "Enabling DC5\n"); + + /* Wa Display #1183: skl,kbl,cfl */ + if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) + intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, + intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); + + gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5); +} + +static void assert_can_enable_dc6(struct drm_i915_private *dev_priv) +{ + drm_WARN_ONCE(&dev_priv->drm, + intel_de_read(dev_priv, UTIL_PIN_CTL) & UTIL_PIN_ENABLE, + "Backlight is not disabled.\n"); + drm_WARN_ONCE(&dev_priv->drm, + (intel_de_read(dev_priv, DC_STATE_EN) & + DC_STATE_EN_UPTO_DC6), + "DC6 already programmed to be enabled.\n"); + + assert_dmc_loaded(dev_priv); +} + +void skl_enable_dc6(struct drm_i915_private *dev_priv) +{ + assert_can_enable_dc6(dev_priv); + + drm_dbg_kms(&dev_priv->drm, "Enabling DC6\n"); + + /* Wa Display #1183: skl,kbl,cfl */ + if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) + intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, + intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); + + gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); +} + +void bxt_enable_dc9(struct drm_i915_private *dev_priv) +{ + assert_can_enable_dc9(dev_priv); + + drm_dbg_kms(&dev_priv->drm, "Enabling DC9\n"); + /* + * Power sequencer reset is not needed on + * platforms with South Display Engine on PCH, + * because PPS registers are always on. + */ + if (!HAS_PCH_SPLIT(dev_priv)) + intel_pps_reset_all(dev_priv); + gen9_set_dc_state(dev_priv, DC_STATE_EN_DC9); +} + +void bxt_disable_dc9(struct drm_i915_private *dev_priv) +{ + assert_can_disable_dc9(dev_priv); + + drm_dbg_kms(&dev_priv->drm, "Disabling DC9\n"); + + gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); + + intel_pps_unlock_regs_wa(dev_priv); +} + +static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + const struct i915_power_well_regs *regs = power_well->desc->ops->regs; + int pw_idx = i915_power_well_instance(power_well)->hsw.idx; + u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx); + u32 bios_req = intel_de_read(dev_priv, regs->bios); + + /* Take over the request bit if set by BIOS. */ + if (bios_req & mask) { + u32 drv_req = intel_de_read(dev_priv, regs->driver); + + if (!(drv_req & mask)) + intel_de_write(dev_priv, regs->driver, drv_req | mask); + intel_de_write(dev_priv, regs->bios, bios_req & ~mask); + } +} + +static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + bxt_ddi_phy_init(dev_priv, i915_power_well_instance(power_well)->bxt.phy); +} + +static void bxt_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + bxt_ddi_phy_uninit(dev_priv, i915_power_well_instance(power_well)->bxt.phy); +} + +static bool bxt_dpio_cmn_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + return bxt_ddi_phy_is_enabled(dev_priv, i915_power_well_instance(power_well)->bxt.phy); +} + +static void bxt_verify_ddi_phy_power_wells(struct drm_i915_private *dev_priv) +{ + struct i915_power_well *power_well; + + power_well = lookup_power_well(dev_priv, BXT_DISP_PW_DPIO_CMN_A); + if (intel_power_well_refcount(power_well) > 0) + bxt_ddi_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy); + + power_well = lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); + if (intel_power_well_refcount(power_well) > 0) + bxt_ddi_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy); + + if (IS_GEMINILAKE(dev_priv)) { + power_well = lookup_power_well(dev_priv, + GLK_DISP_PW_DPIO_CMN_C); + if (intel_power_well_refcount(power_well) > 0) + bxt_ddi_phy_verify_state(dev_priv, + i915_power_well_instance(power_well)->bxt.phy); + } +} + +static bool gen9_dc_off_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + return ((intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC3CO) == 0 && + (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_UPTO_DC5_DC6_MASK) == 0); +} + +static void gen9_assert_dbuf_enabled(struct drm_i915_private *dev_priv) +{ + u8 hw_enabled_dbuf_slices = intel_enabled_dbuf_slices_mask(dev_priv); + u8 enabled_dbuf_slices = dev_priv->dbuf.enabled_slices; + + drm_WARN(&dev_priv->drm, + hw_enabled_dbuf_slices != enabled_dbuf_slices, + "Unexpected DBuf power power state (0x%08x, expected 0x%08x)\n", + hw_enabled_dbuf_slices, + enabled_dbuf_slices); +} + +void gen9_disable_dc_states(struct drm_i915_private *dev_priv) +{ + struct intel_cdclk_config cdclk_config = {}; + + if (dev_priv->dmc.target_dc_state == DC_STATE_EN_DC3CO) { + tgl_disable_dc3co(dev_priv); + return; + } + + gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); + + if (!HAS_DISPLAY(dev_priv)) + return; + + intel_cdclk_get_cdclk(dev_priv, &cdclk_config); + /* Can't read out voltage_level so can't use intel_cdclk_changed() */ + drm_WARN_ON(&dev_priv->drm, + intel_cdclk_needs_modeset(&dev_priv->cdclk.hw, + &cdclk_config)); + + gen9_assert_dbuf_enabled(dev_priv); + + if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) + bxt_verify_ddi_phy_power_wells(dev_priv); + + if (DISPLAY_VER(dev_priv) >= 11) + /* + * DMC retains HW context only for port A, the other combo + * PHY's HW context for port B is lost after DC transitions, + * so we need to restore it manually. + */ + intel_combo_phy_init(dev_priv); +} + +static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + gen9_disable_dc_states(dev_priv); +} + +static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + if (!intel_dmc_has_payload(dev_priv)) + return; + + switch (dev_priv->dmc.target_dc_state) { + case DC_STATE_EN_DC3CO: + tgl_enable_dc3co(dev_priv); + break; + case DC_STATE_EN_UPTO_DC6: + skl_enable_dc6(dev_priv); + break; + case DC_STATE_EN_UPTO_DC5: + gen9_enable_dc5(dev_priv); + break; + } +} + +static void i9xx_power_well_sync_hw_noop(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ +} + +static void i9xx_always_on_power_well_noop(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ +} + +static bool i9xx_always_on_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + return true; +} + +static void i830_pipes_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + if ((intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE) == 0) + i830_enable_pipe(dev_priv, PIPE_A); + if ((intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE) == 0) + i830_enable_pipe(dev_priv, PIPE_B); +} + +static void i830_pipes_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + i830_disable_pipe(dev_priv, PIPE_B); + i830_disable_pipe(dev_priv, PIPE_A); +} + +static bool i830_pipes_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + return intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE && + intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE; +} + +static void i830_pipes_power_well_sync_hw(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + if (intel_power_well_refcount(power_well) > 0) + i830_pipes_power_well_enable(dev_priv, power_well); + else + i830_pipes_power_well_disable(dev_priv, power_well); +} + +static void vlv_set_power_well(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well, bool enable) +{ + int pw_idx = i915_power_well_instance(power_well)->vlv.idx; + u32 mask; + u32 state; + u32 ctrl; + + mask = PUNIT_PWRGT_MASK(pw_idx); + state = enable ? PUNIT_PWRGT_PWR_ON(pw_idx) : + PUNIT_PWRGT_PWR_GATE(pw_idx); + + vlv_punit_get(dev_priv); + +#define COND \ + ((vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask) == state) + + if (COND) + goto out; + + ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL); + ctrl &= ~mask; + ctrl |= state; + vlv_punit_write(dev_priv, PUNIT_REG_PWRGT_CTRL, ctrl); + + if (wait_for(COND, 100)) + drm_err(&dev_priv->drm, + "timeout setting power well state %08x (%08x)\n", + state, + vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL)); + +#undef COND + +out: + vlv_punit_put(dev_priv); +} + +static void vlv_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + vlv_set_power_well(dev_priv, power_well, true); +} + +static void vlv_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + vlv_set_power_well(dev_priv, power_well, false); +} + +static bool vlv_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + int pw_idx = i915_power_well_instance(power_well)->vlv.idx; + bool enabled = false; + u32 mask; + u32 state; + u32 ctrl; + + mask = PUNIT_PWRGT_MASK(pw_idx); + ctrl = PUNIT_PWRGT_PWR_ON(pw_idx); + + vlv_punit_get(dev_priv); + + state = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask; + /* + * We only ever set the power-on and power-gate states, anything + * else is unexpected. + */ + drm_WARN_ON(&dev_priv->drm, state != PUNIT_PWRGT_PWR_ON(pw_idx) && + state != PUNIT_PWRGT_PWR_GATE(pw_idx)); + if (state == ctrl) + enabled = true; + + /* + * A transient state at this point would mean some unexpected party + * is poking at the power controls too. + */ + ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL) & mask; + drm_WARN_ON(&dev_priv->drm, ctrl != state); + + vlv_punit_put(dev_priv); + + return enabled; +} + +static void vlv_init_display_clock_gating(struct drm_i915_private *dev_priv) +{ + u32 val; + + /* + * On driver load, a pipe may be active and driving a DSI display. + * Preserve DPOUNIT_CLOCK_GATE_DISABLE to avoid the pipe getting stuck + * (and never recovering) in this case. intel_dsi_post_disable() will + * clear it when we turn off the display. + */ + val = intel_de_read(dev_priv, DSPCLK_GATE_D); + val &= DPOUNIT_CLOCK_GATE_DISABLE; + val |= VRHUNIT_CLOCK_GATE_DISABLE; + intel_de_write(dev_priv, DSPCLK_GATE_D, val); + + /* + * Disable trickle feed and enable pnd deadline calculation + */ + intel_de_write(dev_priv, MI_ARB_VLV, + MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE); + intel_de_write(dev_priv, CBR1_VLV, 0); + + drm_WARN_ON(&dev_priv->drm, RUNTIME_INFO(dev_priv)->rawclk_freq == 0); + intel_de_write(dev_priv, RAWCLK_FREQ_VLV, + DIV_ROUND_CLOSEST(RUNTIME_INFO(dev_priv)->rawclk_freq, + 1000)); +} + +static void vlv_display_power_well_init(struct drm_i915_private *dev_priv) +{ + struct intel_encoder *encoder; + enum pipe pipe; + + /* + * Enable the CRI clock source so we can get at the + * display and the reference clock for VGA + * hotplug / manual detection. Supposedly DSI also + * needs the ref clock up and running. + * + * CHV DPLL B/C have some issues if VGA mode is enabled. + */ + for_each_pipe(dev_priv, pipe) { + u32 val = intel_de_read(dev_priv, DPLL(pipe)); + + val |= DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; + if (pipe != PIPE_A) + val |= DPLL_INTEGRATED_CRI_CLK_VLV; + + intel_de_write(dev_priv, DPLL(pipe), val); + } + + vlv_init_display_clock_gating(dev_priv); + + spin_lock_irq(&dev_priv->irq_lock); + valleyview_enable_display_irqs(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); + + /* + * During driver initialization/resume we can avoid restoring the + * part of the HW/SW state that will be inited anyway explicitly. + */ + if (dev_priv->power_domains.initializing) + return; + + intel_hpd_init(dev_priv); + intel_hpd_poll_disable(dev_priv); + + /* Re-enable the ADPA, if we have one */ + for_each_intel_encoder(&dev_priv->drm, encoder) { + if (encoder->type == INTEL_OUTPUT_ANALOG) + intel_crt_reset(&encoder->base); + } + + intel_vga_redisable_power_on(dev_priv); + + intel_pps_unlock_regs_wa(dev_priv); +} + +static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) +{ + spin_lock_irq(&dev_priv->irq_lock); + valleyview_disable_display_irqs(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); + + /* make sure we're done processing display irqs */ + intel_synchronize_irq(dev_priv); + + intel_pps_reset_all(dev_priv); + + /* Prevent us from re-enabling polling on accident in late suspend */ + if (!dev_priv->drm.dev->power.is_suspended) + intel_hpd_poll_enable(dev_priv); +} + +static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + vlv_set_power_well(dev_priv, power_well, true); + + vlv_display_power_well_init(dev_priv); +} + +static void vlv_display_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + vlv_display_power_well_deinit(dev_priv); + + vlv_set_power_well(dev_priv, power_well, false); +} + +static void vlv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + /* since ref/cri clock was enabled */ + udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ + + vlv_set_power_well(dev_priv, power_well, true); + + /* + * From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx - + * 6. De-assert cmn_reset/side_reset. Same as VLV X0. + * a. GUnit 0x2110 bit[0] set to 1 (def 0) + * b. The other bits such as sfr settings / modesel may all + * be set to 0. + * + * This should only be done on init and resume from S3 with + * both PLLs disabled, or we risk losing DPIO and PLL + * synchronization. + */ + intel_de_write(dev_priv, DPIO_CTL, + intel_de_read(dev_priv, DPIO_CTL) | DPIO_CMNRST); +} + +static void vlv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum pipe pipe; + + for_each_pipe(dev_priv, pipe) + assert_pll_disabled(dev_priv, pipe); + + /* Assert common reset */ + intel_de_write(dev_priv, DPIO_CTL, + intel_de_read(dev_priv, DPIO_CTL) & ~DPIO_CMNRST); + + vlv_set_power_well(dev_priv, power_well, false); +} + +#define BITS_SET(val, bits) (((val) & (bits)) == (bits)) + +static void assert_chv_phy_status(struct drm_i915_private *dev_priv) +{ + struct i915_power_well *cmn_bc = + lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); + struct i915_power_well *cmn_d = + lookup_power_well(dev_priv, CHV_DISP_PW_DPIO_CMN_D); + u32 phy_control = dev_priv->chv_phy_control; + u32 phy_status = 0; + u32 phy_status_mask = 0xffffffff; + + /* + * The BIOS can leave the PHY is some weird state + * where it doesn't fully power down some parts. + * Disable the asserts until the PHY has been fully + * reset (ie. the power well has been disabled at + * least once). + */ + if (!dev_priv->chv_phy_assert[DPIO_PHY0]) + phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1) | + PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1)); + + if (!dev_priv->chv_phy_assert[DPIO_PHY1]) + phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0) | + PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1)); + + if (intel_power_well_is_enabled(dev_priv, cmn_bc)) { + phy_status |= PHY_POWERGOOD(DPIO_PHY0); + + /* this assumes override is only used to enable lanes */ + if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH0)) == 0) + phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0); + + if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH1)) == 0) + phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1); + + /* CL1 is on whenever anything is on in either channel */ + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0) | + PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1))) + phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0); + + /* + * The DPLLB check accounts for the pipe B + port A usage + * with CL2 powered up but all the lanes in the second channel + * powered down. + */ + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1)) && + (intel_de_read(dev_priv, DPLL(PIPE_B)) & DPLL_VCO_ENABLE) == 0) + phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1); + + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH0))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0); + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH0))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1); + + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH1))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0); + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH1))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1); + } + + if (intel_power_well_is_enabled(dev_priv, cmn_d)) { + phy_status |= PHY_POWERGOOD(DPIO_PHY1); + + /* this assumes override is only used to enable lanes */ + if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY1, DPIO_CH0)) == 0) + phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0); + + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0))) + phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0); + + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY1, DPIO_CH0))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0); + if (BITS_SET(phy_control, + PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY1, DPIO_CH0))) + phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1); + } + + phy_status &= phy_status_mask; + + /* + * The PHY may be busy with some initial calibration and whatnot, + * so the power state can take a while to actually change. + */ + if (intel_de_wait_for_register(dev_priv, DISPLAY_PHY_STATUS, + phy_status_mask, phy_status, 10)) + drm_err(&dev_priv->drm, + "Unexpected PHY_STATUS 0x%08x, expected 0x%08x (PHY_CONTROL=0x%08x)\n", + intel_de_read(dev_priv, DISPLAY_PHY_STATUS) & phy_status_mask, + phy_status, dev_priv->chv_phy_control); +} + +#undef BITS_SET + +static void chv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum i915_power_well_id id = i915_power_well_instance(power_well)->id; + enum dpio_phy phy; + enum pipe pipe; + u32 tmp; + + drm_WARN_ON_ONCE(&dev_priv->drm, + id != VLV_DISP_PW_DPIO_CMN_BC && + id != CHV_DISP_PW_DPIO_CMN_D); + + if (id == VLV_DISP_PW_DPIO_CMN_BC) { + pipe = PIPE_A; + phy = DPIO_PHY0; + } else { + pipe = PIPE_C; + phy = DPIO_PHY1; + } + + /* since ref/cri clock was enabled */ + udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ + vlv_set_power_well(dev_priv, power_well, true); + + /* Poll for phypwrgood signal */ + if (intel_de_wait_for_set(dev_priv, DISPLAY_PHY_STATUS, + PHY_POWERGOOD(phy), 1)) + drm_err(&dev_priv->drm, "Display PHY %d is not power up\n", + phy); + + vlv_dpio_get(dev_priv); + + /* Enable dynamic power down */ + tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW28); + tmp |= DPIO_DYNPWRDOWNEN_CH0 | DPIO_CL1POWERDOWNEN | + DPIO_SUS_CLK_CONFIG_GATE_CLKREQ; + vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW28, tmp); + + if (id == VLV_DISP_PW_DPIO_CMN_BC) { + tmp = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW6_CH1); + tmp |= DPIO_DYNPWRDOWNEN_CH1; + vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW6_CH1, tmp); + } else { + /* + * Force the non-existing CL2 off. BXT does this + * too, so maybe it saves some power even though + * CL2 doesn't exist? + */ + tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW30); + tmp |= DPIO_CL2_LDOFUSE_PWRENB; + vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW30, tmp); + } + + vlv_dpio_put(dev_priv); + + dev_priv->chv_phy_control |= PHY_COM_LANE_RESET_DEASSERT(phy); + intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, + dev_priv->chv_phy_control); + + drm_dbg_kms(&dev_priv->drm, + "Enabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", + phy, dev_priv->chv_phy_control); + + assert_chv_phy_status(dev_priv); +} + +static void chv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum i915_power_well_id id = i915_power_well_instance(power_well)->id; + enum dpio_phy phy; + + drm_WARN_ON_ONCE(&dev_priv->drm, + id != VLV_DISP_PW_DPIO_CMN_BC && + id != CHV_DISP_PW_DPIO_CMN_D); + + if (id == VLV_DISP_PW_DPIO_CMN_BC) { + phy = DPIO_PHY0; + assert_pll_disabled(dev_priv, PIPE_A); + assert_pll_disabled(dev_priv, PIPE_B); + } else { + phy = DPIO_PHY1; + assert_pll_disabled(dev_priv, PIPE_C); + } + + dev_priv->chv_phy_control &= ~PHY_COM_LANE_RESET_DEASSERT(phy); + intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, + dev_priv->chv_phy_control); + + vlv_set_power_well(dev_priv, power_well, false); + + drm_dbg_kms(&dev_priv->drm, + "Disabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", + phy, dev_priv->chv_phy_control); + + /* PHY is fully reset now, so we can enable the PHY state asserts */ + dev_priv->chv_phy_assert[phy] = true; + + assert_chv_phy_status(dev_priv); +} + +static void assert_chv_phy_powergate(struct drm_i915_private *dev_priv, enum dpio_phy phy, + enum dpio_channel ch, bool override, unsigned int mask) +{ + enum pipe pipe = phy == DPIO_PHY0 ? PIPE_A : PIPE_C; + u32 reg, val, expected, actual; + + /* + * The BIOS can leave the PHY is some weird state + * where it doesn't fully power down some parts. + * Disable the asserts until the PHY has been fully + * reset (ie. the power well has been disabled at + * least once). + */ + if (!dev_priv->chv_phy_assert[phy]) + return; + + if (ch == DPIO_CH0) + reg = _CHV_CMN_DW0_CH0; + else + reg = _CHV_CMN_DW6_CH1; + + vlv_dpio_get(dev_priv); + val = vlv_dpio_read(dev_priv, pipe, reg); + vlv_dpio_put(dev_priv); + + /* + * This assumes !override is only used when the port is disabled. + * All lanes should power down even without the override when + * the port is disabled. + */ + if (!override || mask == 0xf) { + expected = DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; + /* + * If CH1 common lane is not active anymore + * (eg. for pipe B DPLL) the entire channel will + * shut down, which causes the common lane registers + * to read as 0. That means we can't actually check + * the lane power down status bits, but as the entire + * register reads as 0 it's a good indication that the + * channel is indeed entirely powered down. + */ + if (ch == DPIO_CH1 && val == 0) + expected = 0; + } else if (mask != 0x0) { + expected = DPIO_ANYDL_POWERDOWN; + } else { + expected = 0; + } + + if (ch == DPIO_CH0) + actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH0; + else + actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH1; + actual &= DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; + + drm_WARN(&dev_priv->drm, actual != expected, + "Unexpected DPIO lane power down: all %d, any %d. Expected: all %d, any %d. (0x%x = 0x%08x)\n", + !!(actual & DPIO_ALLDL_POWERDOWN), + !!(actual & DPIO_ANYDL_POWERDOWN), + !!(expected & DPIO_ALLDL_POWERDOWN), + !!(expected & DPIO_ANYDL_POWERDOWN), + reg, val); +} + +bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, + enum dpio_channel ch, bool override) +{ + struct i915_power_domains *power_domains = &dev_priv->power_domains; + bool was_override; + + mutex_lock(&power_domains->lock); + + was_override = dev_priv->chv_phy_control & PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); + + if (override == was_override) + goto out; + + if (override) + dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); + else + dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); + + intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, + dev_priv->chv_phy_control); + + drm_dbg_kms(&dev_priv->drm, + "Power gating DPIO PHY%d CH%d (DPIO_PHY_CONTROL=0x%08x)\n", + phy, ch, dev_priv->chv_phy_control); + + assert_chv_phy_status(dev_priv); + +out: + mutex_unlock(&power_domains->lock); + + return was_override; +} + +void chv_phy_powergate_lanes(struct intel_encoder *encoder, + bool override, unsigned int mask) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct i915_power_domains *power_domains = &dev_priv->power_domains; + enum dpio_phy phy = vlv_dig_port_to_phy(enc_to_dig_port(encoder)); + enum dpio_channel ch = vlv_dig_port_to_channel(enc_to_dig_port(encoder)); + + mutex_lock(&power_domains->lock); + + dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD(0xf, phy, ch); + dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD(mask, phy, ch); + + if (override) + dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); + else + dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); + + intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, + dev_priv->chv_phy_control); + + drm_dbg_kms(&dev_priv->drm, + "Power gating DPIO PHY%d CH%d lanes 0x%x (PHY_CONTROL=0x%08x)\n", + phy, ch, mask, dev_priv->chv_phy_control); + + assert_chv_phy_status(dev_priv); + + assert_chv_phy_powergate(dev_priv, phy, ch, override, mask); + + mutex_unlock(&power_domains->lock); +} + +static bool chv_pipe_power_well_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum pipe pipe = PIPE_A; + bool enabled; + u32 state, ctrl; + + vlv_punit_get(dev_priv); + + state = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe); + /* + * We only ever set the power-on and power-gate states, anything + * else is unexpected. + */ + drm_WARN_ON(&dev_priv->drm, state != DP_SSS_PWR_ON(pipe) && + state != DP_SSS_PWR_GATE(pipe)); + enabled = state == DP_SSS_PWR_ON(pipe); + + /* + * A transient state at this point would mean some unexpected party + * is poking at the power controls too. + */ + ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSC_MASK(pipe); + drm_WARN_ON(&dev_priv->drm, ctrl << 16 != state); + + vlv_punit_put(dev_priv); + + return enabled; +} + +static void chv_set_pipe_power_well(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well, + bool enable) +{ + enum pipe pipe = PIPE_A; + u32 state; + u32 ctrl; + + state = enable ? DP_SSS_PWR_ON(pipe) : DP_SSS_PWR_GATE(pipe); + + vlv_punit_get(dev_priv); + +#define COND \ + ((vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe)) == state) + + if (COND) + goto out; + + ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); + ctrl &= ~DP_SSC_MASK(pipe); + ctrl |= enable ? DP_SSC_PWR_ON(pipe) : DP_SSC_PWR_GATE(pipe); + vlv_punit_write(dev_priv, PUNIT_REG_DSPSSPM, ctrl); + + if (wait_for(COND, 100)) + drm_err(&dev_priv->drm, + "timeout setting power well state %08x (%08x)\n", + state, + vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM)); + +#undef COND + +out: + vlv_punit_put(dev_priv); +} + +static void chv_pipe_power_well_sync_hw(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, + dev_priv->chv_phy_control); +} + +static void chv_pipe_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + chv_set_pipe_power_well(dev_priv, power_well, true); + + vlv_display_power_well_init(dev_priv); +} + +static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + vlv_display_power_well_deinit(dev_priv); + + chv_set_pipe_power_well(dev_priv, power_well, false); +} + +static void +tgl_tc_cold_request(struct drm_i915_private *i915, bool block) +{ + u8 tries = 0; + int ret; + + while (1) { + u32 low_val; + u32 high_val = 0; + + if (block) + low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ; + else + low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ; + + /* + * Spec states that we should timeout the request after 200us + * but the function below will timeout after 500us + */ + ret = snb_pcode_read(i915, TGL_PCODE_TCCOLD, &low_val, &high_val); + if (ret == 0) { + if (block && + (low_val & TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED)) + ret = -EIO; + else + break; + } + + if (++tries == 3) + break; + + msleep(1); + } + + if (ret) + drm_err(&i915->drm, "TC cold %sblock failed\n", + block ? "" : "un"); + else + drm_dbg_kms(&i915->drm, "TC cold %sblock succeeded\n", + block ? "" : "un"); +} + +static void +tgl_tc_cold_off_power_well_enable(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + tgl_tc_cold_request(i915, true); +} + +static void +tgl_tc_cold_off_power_well_disable(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + tgl_tc_cold_request(i915, false); +} + +static void +tgl_tc_cold_off_power_well_sync_hw(struct drm_i915_private *i915, + struct i915_power_well *power_well) +{ + if (intel_power_well_refcount(power_well) > 0) + tgl_tc_cold_off_power_well_enable(i915, power_well); + else + tgl_tc_cold_off_power_well_disable(i915, power_well); +} + +static bool +tgl_tc_cold_off_power_well_is_enabled(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + /* + * Not the correctly implementation but there is no way to just read it + * from PCODE, so returning count to avoid state mismatch errors + */ + return intel_power_well_refcount(power_well); +} + + +const struct i915_power_well_ops i9xx_always_on_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = i9xx_always_on_power_well_noop, + .disable = i9xx_always_on_power_well_noop, + .is_enabled = i9xx_always_on_power_well_enabled, +}; + +const struct i915_power_well_ops chv_pipe_power_well_ops = { + .sync_hw = chv_pipe_power_well_sync_hw, + .enable = chv_pipe_power_well_enable, + .disable = chv_pipe_power_well_disable, + .is_enabled = chv_pipe_power_well_enabled, +}; + +const struct i915_power_well_ops chv_dpio_cmn_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = chv_dpio_cmn_power_well_enable, + .disable = chv_dpio_cmn_power_well_disable, + .is_enabled = vlv_power_well_enabled, +}; + +const struct i915_power_well_ops i830_pipes_power_well_ops = { + .sync_hw = i830_pipes_power_well_sync_hw, + .enable = i830_pipes_power_well_enable, + .disable = i830_pipes_power_well_disable, + .is_enabled = i830_pipes_power_well_enabled, +}; + +static const struct i915_power_well_regs hsw_power_well_regs = { + .bios = HSW_PWR_WELL_CTL1, + .driver = HSW_PWR_WELL_CTL2, + .kvmr = HSW_PWR_WELL_CTL3, + .debug = HSW_PWR_WELL_CTL4, +}; + +const struct i915_power_well_ops hsw_power_well_ops = { + .regs = &hsw_power_well_regs, + .sync_hw = hsw_power_well_sync_hw, + .enable = hsw_power_well_enable, + .disable = hsw_power_well_disable, + .is_enabled = hsw_power_well_enabled, +}; + +const struct i915_power_well_ops gen9_dc_off_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = gen9_dc_off_power_well_enable, + .disable = gen9_dc_off_power_well_disable, + .is_enabled = gen9_dc_off_power_well_enabled, +}; + +const struct i915_power_well_ops bxt_dpio_cmn_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = bxt_dpio_cmn_power_well_enable, + .disable = bxt_dpio_cmn_power_well_disable, + .is_enabled = bxt_dpio_cmn_power_well_enabled, +}; + +const struct i915_power_well_ops vlv_display_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = vlv_display_power_well_enable, + .disable = vlv_display_power_well_disable, + .is_enabled = vlv_power_well_enabled, +}; + +const struct i915_power_well_ops vlv_dpio_cmn_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = vlv_dpio_cmn_power_well_enable, + .disable = vlv_dpio_cmn_power_well_disable, + .is_enabled = vlv_power_well_enabled, +}; + +const struct i915_power_well_ops vlv_dpio_power_well_ops = { + .sync_hw = i9xx_power_well_sync_hw_noop, + .enable = vlv_power_well_enable, + .disable = vlv_power_well_disable, + .is_enabled = vlv_power_well_enabled, +}; + +static const struct i915_power_well_regs icl_aux_power_well_regs = { + .bios = ICL_PWR_WELL_CTL_AUX1, + .driver = ICL_PWR_WELL_CTL_AUX2, + .debug = ICL_PWR_WELL_CTL_AUX4, +}; + +const struct i915_power_well_ops icl_aux_power_well_ops = { + .regs = &icl_aux_power_well_regs, + .sync_hw = hsw_power_well_sync_hw, + .enable = icl_aux_power_well_enable, + .disable = icl_aux_power_well_disable, + .is_enabled = hsw_power_well_enabled, +}; + +static const struct i915_power_well_regs icl_ddi_power_well_regs = { + .bios = ICL_PWR_WELL_CTL_DDI1, + .driver = ICL_PWR_WELL_CTL_DDI2, + .debug = ICL_PWR_WELL_CTL_DDI4, +}; + +const struct i915_power_well_ops icl_ddi_power_well_ops = { + .regs = &icl_ddi_power_well_regs, + .sync_hw = hsw_power_well_sync_hw, + .enable = hsw_power_well_enable, + .disable = hsw_power_well_disable, + .is_enabled = hsw_power_well_enabled, +}; + +const struct i915_power_well_ops tgl_tc_cold_off_ops = { + .sync_hw = tgl_tc_cold_off_power_well_sync_hw, + .enable = tgl_tc_cold_off_power_well_enable, + .disable = tgl_tc_cold_off_power_well_disable, + .is_enabled = tgl_tc_cold_off_power_well_is_enabled, +}; diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.h b/drivers/gpu/drm/i915/display/intel_display_power_well.h index 9a3756fdcf7f..d0624642dcb6 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_well.h +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.h @@ -8,10 +8,23 @@ #include <linux/types.h> #include "intel_display.h" +#include "intel_display_power.h" struct drm_i915_private; struct i915_power_well; +#define for_each_power_well(__dev_priv, __power_well) \ + for ((__power_well) = (__dev_priv)->power_domains.power_wells; \ + (__power_well) - (__dev_priv)->power_domains.power_wells < \ + (__dev_priv)->power_domains.power_well_count; \ + (__power_well)++) + +#define for_each_power_well_reverse(__dev_priv, __power_well) \ + for ((__power_well) = (__dev_priv)->power_domains.power_wells + \ + (__dev_priv)->power_domains.power_well_count - 1; \ + (__power_well) - (__dev_priv)->power_domains.power_wells >= 0; \ + (__power_well)--) + /* * i915_power_well_id: * @@ -20,7 +33,7 @@ struct i915_power_well; * wells must be assigned DISP_PW_ID_NONE. */ enum i915_power_well_id { - DISP_PW_ID_NONE, + DISP_PW_ID_NONE = 0, /* must be kept zero */ VLV_DISP_PW_DISP2D, BXT_DISP_PW_DPIO_CMN_A, @@ -36,45 +49,13 @@ enum i915_power_well_id { TGL_DISP_PW_TC_COLD_OFF, }; -struct i915_power_well_regs { - i915_reg_t bios; - i915_reg_t driver; - i915_reg_t kvmr; - i915_reg_t debug; -}; - -struct i915_power_well_ops { - const struct i915_power_well_regs *regs; - /* - * Synchronize the well's hw state to match the current sw state, for - * example enable/disable it based on the current refcount. Called - * during driver init and resume time, possibly after first calling - * the enable/disable handlers. - */ - void (*sync_hw)(struct drm_i915_private *i915, - struct i915_power_well *power_well); - /* - * Enable the well and resources that depend on it (for example - * interrupts located on the well). Called after the 0->1 refcount - * transition. - */ - void (*enable)(struct drm_i915_private *i915, - struct i915_power_well *power_well); - /* - * Disable the well and resources that depend on it. Called after - * the 1->0 refcount transition. - */ - void (*disable)(struct drm_i915_private *i915, - struct i915_power_well *power_well); - /* Returns the hw enabled state. */ - bool (*is_enabled)(struct drm_i915_private *i915, - struct i915_power_well *power_well); -}; - -struct i915_power_well_desc { +struct i915_power_well_instance { const char *name; - bool always_on; - u64 domains; + const struct i915_power_domain_list { + const enum intel_display_power_domain *list; + u8 count; + } *domain_list; + /* unique identifier for this power well */ enum i915_power_well_id id; /* @@ -98,33 +79,45 @@ struct i915_power_well_desc { * constrol/status registers. */ u8 idx; - /* Mask of pipes whose IRQ logic is backed by the pw */ - u8 irq_pipe_mask; - /* - * Instead of waiting for the status bit to ack enables, - * just wait a specific amount of time and then consider - * the well enabled. - */ - u16 fixed_enable_delay; - /* The pw is backing the VGA functionality */ - bool has_vga:1; - bool has_fuses:1; - /* - * The pw is for an ICL+ TypeC PHY port in - * Thunderbolt mode. - */ - bool is_tc_tbt:1; } hsw; }; +}; + +struct i915_power_well_desc { const struct i915_power_well_ops *ops; + const struct i915_power_well_instance_list { + const struct i915_power_well_instance *list; + u8 count; + } *instances; + + /* Mask of pipes whose IRQ logic is backed by the pw */ + u16 irq_pipe_mask:4; + u16 always_on:1; + /* + * Instead of waiting for the status bit to ack enables, + * just wait a specific amount of time and then consider + * the well enabled. + */ + u16 fixed_enable_delay:1; + /* The pw is backing the VGA functionality */ + u16 has_vga:1; + u16 has_fuses:1; + /* + * The pw is for an ICL+ TypeC PHY port in + * Thunderbolt mode. + */ + u16 is_tc_tbt:1; }; struct i915_power_well { const struct i915_power_well_desc *desc; + struct intel_power_domain_mask domains; /* power well enable/disable usage count */ int count; /* cached hw enabled state */ bool hw_enabled; + /* index into desc->instances->list */ + u8 instance_idx; }; struct i915_power_well *lookup_power_well(struct drm_i915_private *i915, @@ -147,7 +140,34 @@ bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv, enum i915_power_well_id power_well_id); bool intel_power_well_is_always_on(struct i915_power_well *power_well); const char *intel_power_well_name(struct i915_power_well *power_well); -u64 intel_power_well_domains(struct i915_power_well *power_well); +struct intel_power_domain_mask *intel_power_well_domains(struct i915_power_well *power_well); int intel_power_well_refcount(struct i915_power_well *power_well); +void chv_phy_powergate_lanes(struct intel_encoder *encoder, + bool override, unsigned int mask); +bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, + enum dpio_channel ch, bool override); + +void gen9_enable_dc5(struct drm_i915_private *dev_priv); +void skl_enable_dc6(struct drm_i915_private *dev_priv); +void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv); +void gen9_set_dc_state(struct drm_i915_private *dev_priv, u32 state); +void gen9_disable_dc_states(struct drm_i915_private *dev_priv); +void bxt_enable_dc9(struct drm_i915_private *dev_priv); +void bxt_disable_dc9(struct drm_i915_private *dev_priv); + +extern const struct i915_power_well_ops i9xx_always_on_power_well_ops; +extern const struct i915_power_well_ops chv_pipe_power_well_ops; +extern const struct i915_power_well_ops chv_dpio_cmn_power_well_ops; +extern const struct i915_power_well_ops i830_pipes_power_well_ops; +extern const struct i915_power_well_ops hsw_power_well_ops; +extern const struct i915_power_well_ops gen9_dc_off_power_well_ops; +extern const struct i915_power_well_ops bxt_dpio_cmn_power_well_ops; +extern const struct i915_power_well_ops vlv_display_power_well_ops; +extern const struct i915_power_well_ops vlv_dpio_cmn_power_well_ops; +extern const struct i915_power_well_ops vlv_dpio_power_well_ops; +extern const struct i915_power_well_ops icl_aux_power_well_ops; +extern const struct i915_power_well_ops icl_ddi_power_well_ops; +extern const struct i915_power_well_ops tgl_tc_cold_off_ops; + #endif diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 26f9e2b748e4..9feaf1a589f3 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -82,19 +82,8 @@ static bool intel_dp_read_lttpr_common_caps(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - struct drm_i915_private *i915 = to_i915(encoder->base.dev); int ret; - if (intel_dp_is_edp(intel_dp)) - return false; - - /* - * Detecting LTTPRs must be avoided on platforms with an AUX timeout - * period < 3.2ms. (see DP Standard v2.0, 2.11.2, 3.6.6.1). - */ - if (DISPLAY_VER(i915) < 10 || IS_GEMINILAKE(i915)) - return false; - ret = drm_dp_read_lttpr_common_caps(&intel_dp->aux, dpcd, intel_dp->lttpr_common_caps); if (ret < 0) @@ -197,13 +186,25 @@ static int intel_dp_init_lttpr(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEI */ int intel_dp_init_lttpr_and_dprx_caps(struct intel_dp *intel_dp) { - u8 dpcd[DP_RECEIVER_CAP_SIZE]; - int lttpr_count; + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + int lttpr_count = 0; - if (drm_dp_read_dpcd_caps(&intel_dp->aux, dpcd)) - return -EIO; + /* + * Detecting LTTPRs must be avoided on platforms with an AUX timeout + * period < 3.2ms. (see DP Standard v2.0, 2.11.2, 3.6.6.1). + */ + if (!intel_dp_is_edp(intel_dp) && + (DISPLAY_VER(i915) >= 10 && !IS_GEMINILAKE(i915))) { + u8 dpcd[DP_RECEIVER_CAP_SIZE]; + + if (drm_dp_dpcd_probe(&intel_dp->aux, DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV)) + return -EIO; - lttpr_count = intel_dp_init_lttpr(intel_dp, dpcd); + if (drm_dp_read_dpcd_caps(&intel_dp->aux, dpcd)) + return -EIO; + + lttpr_count = intel_dp_init_lttpr(intel_dp, dpcd); + } /* * The DPTX shall read the DPRX caps after LTTPR detection, so re-read diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c index 44edeb2e55c0..cc6abe761f5e 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c @@ -24,6 +24,7 @@ #include "intel_ddi.h" #include "intel_ddi_buf_trans.h" #include "intel_de.h" +#include "intel_display_power_well.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dpio_phy.h" diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c index 95b9d327ed4d..6eef0b8a91eb 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.c +++ b/drivers/gpu/drm/i915/display/intel_dpll.c @@ -18,7 +18,10 @@ #include "vlv_sideband.h" struct intel_dpll_funcs { - int (*crtc_compute_clock)(struct intel_crtc_state *crtc_state); + int (*crtc_compute_clock)(struct intel_atomic_state *state, + struct intel_crtc *crtc); + int (*crtc_get_shared_dpll)(struct intel_atomic_state *state, + struct intel_crtc *crtc); }; struct intel_limit { @@ -759,8 +762,8 @@ chv_find_best_dpll(const struct intel_limit *limit, bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, struct dpll *best_clock) { - int refclk = 100000; const struct intel_limit *limit = &intel_limits_bxt; + int refclk = 100000; return chv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, refclk, @@ -927,32 +930,48 @@ static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state, crtc_state->dpll_hw_state.dpll = dpll; } -static int hsw_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int hsw_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - struct intel_atomic_state *state = - to_intel_atomic_state(crtc_state->uapi.state); + return 0; +} + +static int hsw_crtc_get_shared_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct intel_encoder *encoder = intel_get_crtc_new_encoder(state, crtc_state); - - if (IS_DG2(dev_priv)) - return intel_mpllb_calc_state(crtc_state, encoder); + int ret; if (DISPLAY_VER(dev_priv) < 11 && intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) return 0; - if (!intel_reserve_shared_dplls(state, crtc, encoder)) { + ret = intel_reserve_shared_dplls(state, crtc, encoder); + if (ret) { drm_dbg_kms(&dev_priv->drm, "failed to find PLL for pipe %c\n", pipe_name(crtc->pipe)); - return -EINVAL; + return ret; } return 0; } +static int dg2_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_encoder *encoder = + intel_get_crtc_new_encoder(state, crtc_state); + + return intel_mpllb_calc_state(crtc_state, encoder); +} + static bool ilk_needs_fb_cb_tune(const struct dpll *dpll, int factor) { return dpll->m < factor * dpll->n; @@ -1068,18 +1087,15 @@ static void ilk_compute_dpll(struct intel_crtc_state *crtc_state, crtc_state->dpll_hw_state.dpll = dpll; } -static int ilk_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int ilk_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - struct intel_atomic_state *state = - to_intel_atomic_state(crtc_state->uapi.state); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit; int refclk = 120000; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ if (!crtc_state->has_pch_encoder) return 0; @@ -1118,11 +1134,27 @@ static int ilk_crtc_compute_clock(struct intel_crtc_state *crtc_state) ilk_compute_dpll(crtc_state, &crtc_state->dpll, &crtc_state->dpll); - if (!intel_reserve_shared_dplls(state, crtc, NULL)) { + return 0; +} + +static int ilk_crtc_get_shared_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + int ret; + + /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ + if (!crtc_state->has_pch_encoder) + return 0; + + ret = intel_reserve_shared_dplls(state, crtc, NULL); + if (ret) { drm_dbg_kms(&dev_priv->drm, "failed to find PLL for pipe %c\n", pipe_name(crtc->pipe)); - return -EINVAL; + return ret; } return 0; @@ -1163,14 +1195,14 @@ void chv_compute_dpll(struct intel_crtc_state *crtc_state) (crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; } -static int chv_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int chv_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - int refclk = 100000; + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit = &intel_limits_chv; - struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); - - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); + int refclk = 100000; if (!crtc_state->clock_set && !chv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, @@ -1184,14 +1216,14 @@ static int chv_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } -static int vlv_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int vlv_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - int refclk = 100000; + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit = &intel_limits_vlv; - struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); - - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); + int refclk = 100000; if (!crtc_state->clock_set && !vlv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, @@ -1205,16 +1237,15 @@ static int vlv_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } -static int g4x_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int g4x_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit; int refclk = 96000; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { if (intel_panel_use_ssc(dev_priv)) { refclk = dev_priv->vbt.lvds_ssc_freq; @@ -1251,16 +1282,15 @@ static int g4x_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } -static int pnv_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int pnv_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit; int refclk = 96000; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { if (intel_panel_use_ssc(dev_priv)) { refclk = dev_priv->vbt.lvds_ssc_freq; @@ -1288,16 +1318,15 @@ static int pnv_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } -static int i9xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int i9xx_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit; int refclk = 96000; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { if (intel_panel_use_ssc(dev_priv)) { refclk = dev_priv->vbt.lvds_ssc_freq; @@ -1325,16 +1354,15 @@ static int i9xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } -static int i8xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) +static int i8xx_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); const struct intel_limit *limit; int refclk = 48000; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { if (intel_panel_use_ssc(dev_priv)) { refclk = dev_priv->vbt.lvds_ssc_freq; @@ -1364,12 +1392,18 @@ static int i8xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } +static const struct intel_dpll_funcs dg2_dpll_funcs = { + .crtc_compute_clock = dg2_crtc_compute_clock, +}; + static const struct intel_dpll_funcs hsw_dpll_funcs = { .crtc_compute_clock = hsw_crtc_compute_clock, + .crtc_get_shared_dpll = hsw_crtc_get_shared_dpll, }; static const struct intel_dpll_funcs ilk_dpll_funcs = { .crtc_compute_clock = ilk_crtc_compute_clock, + .crtc_get_shared_dpll = ilk_crtc_get_shared_dpll, }; static const struct intel_dpll_funcs chv_dpll_funcs = { @@ -1396,18 +1430,54 @@ static const struct intel_dpll_funcs i8xx_dpll_funcs = { .crtc_compute_clock = i8xx_crtc_compute_clock, }; -int intel_dpll_crtc_compute_clock(struct intel_crtc_state *crtc_state) +int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *i915 = to_i915(crtc->base.dev); + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + drm_WARN_ON(&i915->drm, !intel_crtc_needs_modeset(crtc_state)); + + if (drm_WARN_ON(&i915->drm, crtc_state->shared_dpll)) + return 0; - return i915->dpll_funcs->crtc_compute_clock(crtc_state); + memset(&crtc_state->dpll_hw_state, 0, + sizeof(crtc_state->dpll_hw_state)); + + if (!crtc_state->hw.enable) + return 0; + + return i915->dpll_funcs->crtc_compute_clock(state, crtc); +} + +int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + drm_WARN_ON(&i915->drm, !intel_crtc_needs_modeset(crtc_state)); + + if (drm_WARN_ON(&i915->drm, crtc_state->shared_dpll)) + return 0; + + if (!crtc_state->hw.enable) + return 0; + + if (!i915->dpll_funcs->crtc_get_shared_dpll) + return 0; + + return i915->dpll_funcs->crtc_get_shared_dpll(state, crtc); } void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv) { - if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv)) + if (IS_DG2(dev_priv)) + dev_priv->dpll_funcs = &dg2_dpll_funcs; + else if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv)) dev_priv->dpll_funcs = &hsw_dpll_funcs; else if (HAS_PCH_SPLIT(dev_priv)) dev_priv->dpll_funcs = &ilk_dpll_funcs; diff --git a/drivers/gpu/drm/i915/display/intel_dpll.h b/drivers/gpu/drm/i915/display/intel_dpll.h index 69b06a9e473e..bbc30542f29f 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.h +++ b/drivers/gpu/drm/i915/display/intel_dpll.h @@ -10,12 +10,16 @@ struct dpll; struct drm_i915_private; +struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; enum pipe; void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv); -int intel_dpll_crtc_compute_clock(struct intel_crtc_state *crtc_state); +int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc); +int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc); int vlv_calc_dpll_params(int refclk, struct dpll *clock); int pnv_calc_dpll_params(int refclk, struct dpll *clock); int i9xx_calc_dpll_params(int refclk, struct dpll *clock); diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index b7071da4b7e5..22f55574a35c 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -90,9 +90,9 @@ struct intel_shared_dpll_funcs { struct intel_dpll_mgr { const struct dpll_info *dpll_info; - bool (*get_dplls)(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder); + int (*get_dplls)(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); void (*put_dplls)(struct intel_atomic_state *state, struct intel_crtc *crtc); void (*update_active_dpll)(struct intel_atomic_state *state, @@ -514,9 +514,9 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, udelay(200); } -static bool ibx_get_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int ibx_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); @@ -541,7 +541,7 @@ static bool ibx_get_dpll(struct intel_atomic_state *state, } if (!pll) - return false; + return -EINVAL; /* reference the pll */ intel_reference_shared_dpll(state, crtc, @@ -549,7 +549,7 @@ static bool ibx_get_dpll(struct intel_atomic_state *state, crtc_state->shared_dpll = pll; - return true; + return 0; } static void ibx_dump_hw_state(struct drm_i915_private *dev_priv, @@ -584,7 +584,7 @@ static const struct intel_dpll_mgr pch_pll_mgr = { }; static void hsw_ddi_wrpll_enable(struct drm_i915_private *dev_priv, - struct intel_shared_dpll *pll) + struct intel_shared_dpll *pll) { const enum intel_dpll_id id = pll->info->id; @@ -1060,16 +1060,13 @@ static int hsw_ddi_spll_get_freq(struct drm_i915_private *i915, return link_clock * 2; } -static bool hsw_get_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int hsw_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - struct intel_shared_dpll *pll; - - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); + struct intel_shared_dpll *pll = NULL; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) pll = hsw_ddi_wrpll_get_dpll(state, crtc); @@ -1077,18 +1074,16 @@ static bool hsw_get_dpll(struct intel_atomic_state *state, pll = hsw_ddi_lcpll_get_dpll(crtc_state); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) pll = hsw_ddi_spll_get_dpll(state, crtc); - else - return false; if (!pll) - return false; + return -EINVAL; intel_reference_shared_dpll(state, crtc, pll, &crtc_state->dpll_hw_state); crtc_state->shared_dpll = pll; - return true; + return 0; } static void hsw_update_dpll_ref_clks(struct drm_i915_private *i915) @@ -1493,7 +1488,7 @@ static void skl_wrpll_params_populate(struct skl_wrpll_params *params, params->dco_integer * MHz(1)) * 0x8000, MHz(1)); } -static bool +static int skl_ddi_calculate_wrpll(int clock /* in Hz */, int ref_clock, struct skl_wrpll_params *wrpll_params) @@ -1552,7 +1547,7 @@ skip_remaining_dividers: if (!ctx.p) { DRM_DEBUG_DRIVER("No valid divider found for %dHz\n", clock); - return false; + return -EINVAL; } /* @@ -1564,14 +1559,15 @@ skip_remaining_dividers: skl_wrpll_params_populate(wrpll_params, afe_clock, ref_clock, ctx.central_freq, p0, p1, p2); - return true; + return 0; } -static bool skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) +static int skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) { struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); struct skl_wrpll_params wrpll_params = {}; u32 ctrl1, cfgcr1, cfgcr2; + int ret; /* * See comment in intel_dpll_hw_state to understand why we always use 0 @@ -1581,10 +1577,10 @@ static bool skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) ctrl1 |= DPLL_CTRL1_HDMI_MODE(0); - if (!skl_ddi_calculate_wrpll(crtc_state->port_clock * 1000, - i915->dpll.ref_clks.nssc, - &wrpll_params)) - return false; + ret = skl_ddi_calculate_wrpll(crtc_state->port_clock * 1000, + i915->dpll.ref_clks.nssc, &wrpll_params); + if (ret) + return ret; cfgcr1 = DPLL_CFGCR1_FREQ_ENABLE | DPLL_CFGCR1_DCO_FRACTION(wrpll_params.dco_fraction) | @@ -1596,13 +1592,11 @@ static bool skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) DPLL_CFGCR2_PDIV(wrpll_params.pdiv) | wrpll_params.central_freq; - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - crtc_state->dpll_hw_state.ctrl1 = ctrl1; crtc_state->dpll_hw_state.cfgcr1 = cfgcr1; crtc_state->dpll_hw_state.cfgcr2 = cfgcr2; - return true; + + return 0; } static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915, @@ -1676,7 +1670,7 @@ static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915, return dco_freq / (p0 * p1 * p2 * 5); } -static bool +static int skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) { u32 ctrl1; @@ -1708,12 +1702,9 @@ skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) break; } - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); - crtc_state->dpll_hw_state.ctrl1 = ctrl1; - return true; + return 0; } static int skl_ddi_lcpll_get_freq(struct drm_i915_private *i915, @@ -1750,33 +1741,23 @@ static int skl_ddi_lcpll_get_freq(struct drm_i915_private *i915, return link_clock * 2; } -static bool skl_get_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int skl_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - struct drm_i915_private *i915 = to_i915(crtc->base.dev); struct intel_shared_dpll *pll; - bool bret; - - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { - bret = skl_ddi_hdmi_pll_dividers(crtc_state); - if (!bret) { - drm_dbg_kms(&i915->drm, - "Could not get HDMI pll dividers.\n"); - return false; - } - } else if (intel_crtc_has_dp_encoder(crtc_state)) { - bret = skl_ddi_dp_set_dpll_hw_state(crtc_state); - if (!bret) { - drm_dbg_kms(&i915->drm, - "Could not set DP dpll HW state.\n"); - return false; - } - } else { - return false; - } + int ret; + + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + ret = skl_ddi_hdmi_pll_dividers(crtc_state); + else if (intel_crtc_has_dp_encoder(crtc_state)) + ret = skl_ddi_dp_set_dpll_hw_state(crtc_state); + else + ret = -EINVAL; + if (ret) + return ret; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) pll = intel_find_shared_dpll(state, crtc, @@ -1789,14 +1770,14 @@ static bool skl_get_dpll(struct intel_atomic_state *state, BIT(DPLL_ID_SKL_DPLL2) | BIT(DPLL_ID_SKL_DPLL1)); if (!pll) - return false; + return -EINVAL; intel_reference_shared_dpll(state, crtc, pll, &crtc_state->dpll_hw_state); crtc_state->shared_dpll = pll; - return true; + return 0; } static int skl_ddi_pll_get_freq(struct drm_i915_private *i915, @@ -2095,7 +2076,7 @@ static const struct dpll bxt_dp_clk_val[] = { { .dot = 432000, .p1 = 3, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x819999a /* 32.4 */ }, }; -static bool +static int bxt_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state, struct dpll *clk_div) { @@ -2111,12 +2092,12 @@ bxt_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state, drm_dbg(&i915->drm, "no PLL dividers found for clock %d pipe %c\n", crtc_state->port_clock, pipe_name(crtc->pipe)); - return false; + return -EINVAL; } drm_WARN_ON(&i915->drm, clk_div->m1 != 2); - return true; + return 0; } static void bxt_ddi_dp_pll_dividers(struct intel_crtc_state *crtc_state, @@ -2139,8 +2120,8 @@ static void bxt_ddi_dp_pll_dividers(struct intel_crtc_state *crtc_state, clk_div->dot != crtc_state->port_clock); } -static bool bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, - const struct dpll *clk_div) +static int bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, + const struct dpll *clk_div) { struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); struct intel_dpll_hw_state *dpll_hw_state = &crtc_state->dpll_hw_state; @@ -2149,8 +2130,6 @@ static bool bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, u32 prop_coef, int_coef, gain_ctl, targ_cnt; u32 lanestagger; - memset(dpll_hw_state, 0, sizeof(*dpll_hw_state)); - if (vco >= 6200000 && vco <= 6700000) { prop_coef = 4; int_coef = 9; @@ -2169,7 +2148,7 @@ static bool bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, targ_cnt = 9; } else { drm_err(&i915->drm, "Invalid VCO\n"); - return false; + return -EINVAL; } if (clock > 270000) @@ -2206,10 +2185,10 @@ static bool bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, dpll_hw_state->pcsdw12 = LANESTAGGER_STRAP_OVRD | lanestagger; - return true; + return 0; } -static bool +static int bxt_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) { struct dpll clk_div = {}; @@ -2219,7 +2198,7 @@ bxt_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); } -static bool +static int bxt_ddi_hdmi_set_dpll_hw_state(struct intel_crtc_state *crtc_state) { struct dpll clk_div = {}; @@ -2246,23 +2225,25 @@ static int bxt_ddi_pll_get_freq(struct drm_i915_private *i915, return chv_calc_dpll_params(i915->dpll.ref_clks.nssc, &clock); } -static bool bxt_get_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int bxt_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_shared_dpll *pll; enum intel_dpll_id id; + int ret; - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && - !bxt_ddi_hdmi_set_dpll_hw_state(crtc_state)) - return false; - - if (intel_crtc_has_dp_encoder(crtc_state) && - !bxt_ddi_dp_set_dpll_hw_state(crtc_state)) - return false; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + ret = bxt_ddi_hdmi_set_dpll_hw_state(crtc_state); + else if (intel_crtc_has_dp_encoder(crtc_state)) + ret = bxt_ddi_dp_set_dpll_hw_state(crtc_state); + else + ret = -EINVAL; + if (ret) + return ret; /* 1:1 mapping between ports and PLLs */ id = (enum intel_dpll_id) encoder->port; @@ -2276,7 +2257,7 @@ static bool bxt_get_dpll(struct intel_atomic_state *state, crtc_state->shared_dpll = pll; - return true; + return 0; } static void bxt_update_dpll_ref_clks(struct drm_i915_private *i915) @@ -2513,8 +2494,8 @@ static const struct skl_wrpll_params tgl_tbt_pll_24MHz_values = { /* the following params are unused */ }; -static bool icl_calc_dp_combo_pll(struct intel_crtc_state *crtc_state, - struct skl_wrpll_params *pll_params) +static int icl_calc_dp_combo_pll(struct intel_crtc_state *crtc_state, + struct skl_wrpll_params *pll_params) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); const struct icl_combo_pll_params *params = @@ -2527,16 +2508,16 @@ static bool icl_calc_dp_combo_pll(struct intel_crtc_state *crtc_state, for (i = 0; i < ARRAY_SIZE(icl_dp_combo_pll_24MHz_values); i++) { if (clock == params[i].clock) { *pll_params = params[i].wrpll; - return true; + return 0; } } MISSING_CASE(clock); - return false; + return -EINVAL; } -static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, - struct skl_wrpll_params *pll_params) +static int icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, + struct skl_wrpll_params *pll_params) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); @@ -2568,7 +2549,7 @@ static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, } } - return true; + return 0; } static int icl_ddi_tbt_pll_get_freq(struct drm_i915_private *i915, @@ -2598,7 +2579,7 @@ static int icl_wrpll_ref_clock(struct drm_i915_private *i915) return ref_clock; } -static bool +static int icl_calc_wrpll(struct intel_crtc_state *crtc_state, struct skl_wrpll_params *wrpll_params) { @@ -2633,13 +2614,13 @@ icl_calc_wrpll(struct intel_crtc_state *crtc_state, } if (best_div == 0) - return false; + return -EINVAL; icl_wrpll_get_multipliers(best_div, &pdiv, &qdiv, &kdiv); icl_wrpll_params_populate(wrpll_params, best_dco, ref_clock, pdiv, qdiv, kdiv); - return true; + return 0; } static int icl_ddi_combo_pll_get_freq(struct drm_i915_private *i915, @@ -2709,8 +2690,6 @@ static void icl_calc_dpll_state(struct drm_i915_private *i915, { u32 dco_fraction = pll_params->dco_fraction; - memset(pll_state, 0, sizeof(*pll_state)); - if (ehl_combo_pll_div_frac_wa_needed(i915)) dco_fraction = DIV_ROUND_CLOSEST(dco_fraction, 2); @@ -2731,10 +2710,10 @@ static void icl_calc_dpll_state(struct drm_i915_private *i915, pll_state->div0 = TGL_DPLL0_DIV0_AFC_STARTUP(i915->vbt.override_afc_startup_val); } -static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, - u32 *target_dco_khz, - struct intel_dpll_hw_state *state, - bool is_dkl) +static int icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, + u32 *target_dco_khz, + struct intel_dpll_hw_state *state, + bool is_dkl) { static const u8 div1_vals[] = { 7, 5, 3, 2 }; u32 dco_min_freq, dco_max_freq; @@ -2800,19 +2779,19 @@ static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, hsdiv | MG_CLKTOP2_HSCLKCTL_DSDIV_RATIO(div2); - return true; + return 0; } } - return false; + return -EINVAL; } /* * The specification for this function uses real numbers, so the math had to be * adapted to integer-only calculation, that's why it looks so different. */ -static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, - struct intel_dpll_hw_state *pll_state) +static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, + struct intel_dpll_hw_state *pll_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); int refclk_khz = dev_priv->dpll.ref_clks.nssc; @@ -2826,14 +2805,14 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, bool use_ssc = false; bool is_dp = !intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI); bool is_dkl = DISPLAY_VER(dev_priv) >= 12; + int ret; - memset(pll_state, 0, sizeof(*pll_state)); - - if (!icl_mg_pll_find_divisors(clock, is_dp, use_ssc, &dco_khz, - pll_state, is_dkl)) { + ret = icl_mg_pll_find_divisors(clock, is_dp, use_ssc, &dco_khz, + pll_state, is_dkl); + if (ret) { drm_dbg_kms(&dev_priv->drm, "Failed to find divisors for clock %d\n", clock); - return false; + return ret; } m1div = 2; @@ -2848,7 +2827,7 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, drm_dbg_kms(&dev_priv->drm, "Failed to find mdiv for clock %d\n", clock); - return false; + return -EINVAL; } } m2div_rem = dco_khz % (refclk_khz * m1div); @@ -2875,7 +2854,7 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, break; default: MISSING_CASE(refclk_khz); - return false; + return -EINVAL; } /* @@ -3018,7 +2997,7 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, pll_state->mg_pll_bias &= pll_state->mg_pll_bias_mask; } - return true; + return 0; } static int icl_ddi_mg_pll_get_freq(struct drm_i915_private *dev_priv, @@ -3140,9 +3119,9 @@ static u32 intel_get_hti_plls(struct drm_i915_private *i915) return REG_FIELD_GET(HDPORT_DPLL_USED_MASK, i915->hti_state); } -static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int icl_get_combo_phy_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); @@ -3160,11 +3139,10 @@ static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state, else ret = icl_calc_dp_combo_pll(crtc_state, &pll_params); - if (!ret) { + if (ret) { drm_dbg_kms(&dev_priv->drm, "Could not calculate combo PHY PLL state.\n"); - - return false; + return ret; } icl_calc_dpll_state(dev_priv, &pll_params, &port_dpll->hw_state); @@ -3209,7 +3187,7 @@ static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state, drm_dbg_kms(&dev_priv->drm, "No combo PHY PLL found for [ENCODER:%d:%s]\n", encoder->base.base.id, encoder->base.name); - return false; + return -EINVAL; } intel_reference_shared_dpll(state, crtc, @@ -3217,12 +3195,12 @@ static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state, icl_update_active_dpll(state, crtc, encoder); - return true; + return 0; } -static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int icl_get_tc_phy_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); struct intel_crtc_state *crtc_state = @@ -3230,12 +3208,14 @@ static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, struct skl_wrpll_params pll_params = { }; struct icl_port_dpll *port_dpll; enum intel_dpll_id dpll_id; + int ret; port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; - if (!icl_calc_tbt_pll(crtc_state, &pll_params)) { + ret = icl_calc_tbt_pll(crtc_state, &pll_params); + if (ret) { drm_dbg_kms(&dev_priv->drm, "Could not calculate TBT PLL state.\n"); - return false; + return ret; } icl_calc_dpll_state(dev_priv, &pll_params, &port_dpll->hw_state); @@ -3245,14 +3225,15 @@ static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, BIT(DPLL_ID_ICL_TBTPLL)); if (!port_dpll->pll) { drm_dbg_kms(&dev_priv->drm, "No TBT-ALT PLL found\n"); - return false; + return -EINVAL; } intel_reference_shared_dpll(state, crtc, port_dpll->pll, &port_dpll->hw_state); port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_MG_PHY]; - if (!icl_calc_mg_pll_state(crtc_state, &port_dpll->hw_state)) { + ret = icl_calc_mg_pll_state(crtc_state, &port_dpll->hw_state); + if (ret) { drm_dbg_kms(&dev_priv->drm, "Could not calculate MG PHY PLL state.\n"); goto err_unreference_tbt_pll; @@ -3264,6 +3245,7 @@ static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, &port_dpll->hw_state, BIT(dpll_id)); if (!port_dpll->pll) { + ret = -EINVAL; drm_dbg_kms(&dev_priv->drm, "No MG PHY PLL found\n"); goto err_unreference_tbt_pll; } @@ -3272,18 +3254,18 @@ static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, icl_update_active_dpll(state, crtc, encoder); - return true; + return 0; err_unreference_tbt_pll: port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; intel_unreference_shared_dpll(state, crtc, port_dpll->pll); - return false; + return ret; } -static bool icl_get_dplls(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +static int icl_get_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); enum phy phy = intel_port_to_phy(dev_priv, encoder->port); @@ -3295,7 +3277,7 @@ static bool icl_get_dplls(struct intel_atomic_state *state, MISSING_CASE(phy); - return false; + return -EINVAL; } static void icl_put_dplls(struct intel_atomic_state *state, @@ -4081,13 +4063,12 @@ static const struct intel_dpll_mgr adlp_pll_mgr = { /** * intel_shared_dpll_init - Initialize shared DPLLs - * @dev: drm device + * @dev_priv: i915 device * - * Initialize shared DPLLs for @dev. + * Initialize shared DPLLs for @dev_priv. */ -void intel_shared_dpll_init(struct drm_device *dev) +void intel_shared_dpll_init(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); const struct intel_dpll_mgr *dpll_mgr = NULL; const struct dpll_info *dpll_info; int i; @@ -4126,7 +4107,7 @@ void intel_shared_dpll_init(struct drm_device *dev) dpll_info = dpll_mgr->dpll_info; for (i = 0; dpll_info[i].name; i++) { - drm_WARN_ON(dev, i != dpll_info[i].id); + drm_WARN_ON(&dev_priv->drm, i != dpll_info[i].id); dev_priv->dpll.shared_dplls[i].info = &dpll_info[i]; } @@ -4154,17 +4135,18 @@ void intel_shared_dpll_init(struct drm_device *dev) * intel_release_shared_dplls(). * * Returns: - * True if all required DPLLs were successfully reserved. + * 0 if all required DPLLs were successfully reserved, + * negative error code otherwise. */ -bool intel_reserve_shared_dplls(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder) +int intel_reserve_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll.mgr; if (drm_WARN_ON(&dev_priv->drm, !dpll_mgr)) - return false; + return -EINVAL; return dpll_mgr->get_dplls(state, crtc, encoder); } diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index ba2fdfce1579..f7c96a1f13c8 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -37,7 +37,6 @@ __a > __b ? (__a - __b) : (__b - __a); }) enum tc_port; -struct drm_device; struct drm_i915_private; struct intel_atomic_state; struct intel_crtc; @@ -337,9 +336,9 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv, bool state); #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true) #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false) -bool intel_reserve_shared_dplls(struct intel_atomic_state *state, - struct intel_crtc *crtc, - struct intel_encoder *encoder); +int intel_reserve_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); void intel_release_shared_dplls(struct intel_atomic_state *state, struct intel_crtc *crtc); void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state, @@ -356,7 +355,7 @@ bool intel_dpll_get_hw_state(struct drm_i915_private *i915, void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_shared_dpll_swap_state(struct intel_atomic_state *state); -void intel_shared_dpll_init(struct drm_device *dev); +void intel_shared_dpll_init(struct drm_i915_private *dev_priv); void intel_dpll_update_ref_clks(struct drm_i915_private *dev_priv); void intel_dpll_readout_hw_state(struct drm_i915_private *dev_priv); void intel_dpll_sanitize_state(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index ff303c7d3a57..bbdc34a23d54 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -811,6 +811,14 @@ static void intel_fbc_program_cfb(struct intel_fbc *fbc) fbc->funcs->program_cfb(fbc); } +static void intel_fbc_program_workarounds(struct intel_fbc *fbc) +{ + /* Wa_22014263786:icl,jsl,tgl,dg1,rkl,adls,dg2,adlp */ + if (DISPLAY_VER(fbc->i915) >= 11) + intel_de_rmw(fbc->i915, ILK_DPFC_CHICKEN(fbc->id), 0, + DPFC_CHICKEN_FORCE_SLB_INVALIDATION); +} + static void __intel_fbc_cleanup_cfb(struct intel_fbc *fbc) { struct drm_i915_private *i915 = fbc->i915; @@ -1086,7 +1094,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, */ if (DISPLAY_VER(i915) >= 12 && crtc_state->has_psr2) { plane_state->no_fbc_reason = "PSR2 enabled"; - return false; + return 0; } if (!pixel_format_is_valid(plane_state)) { @@ -1112,7 +1120,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, if (plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE && fb->format->has_alpha) { plane_state->no_fbc_reason = "per-pixel alpha not supported"; - return false; + return 0; } if (!intel_fbc_hw_tracking_covers_screen(plane_state)) { @@ -1128,7 +1136,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, if (DISPLAY_VER(i915) >= 9 && plane_state->view.color_plane[0].y & 3) { plane_state->no_fbc_reason = "plane start Y offset misaligned"; - return false; + return 0; } /* Wa_22010751166: icl, ehl, tgl, dg1, rkl */ @@ -1136,7 +1144,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, (plane_state->view.color_plane[0].y + (drm_rect_height(&plane_state->uapi.src) >> 16)) & 3) { plane_state->no_fbc_reason = "plane end Y offset misaligned"; - return false; + return 0; } /* WaFbcExceedCdClockThreshold:hsw,bdw */ @@ -1462,6 +1470,7 @@ static void __intel_fbc_enable(struct intel_atomic_state *state, intel_fbc_update_state(state, crtc, plane); + intel_fbc_program_workarounds(fbc); intel_fbc_program_cfb(fbc); } diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index 03398feb6676..d1d1b59102d6 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -75,13 +75,17 @@ const struct drm_display_mode * intel_panel_downclock_mode(struct intel_connector *connector, const struct drm_display_mode *adjusted_mode) { + struct drm_i915_private *i915 = to_i915(connector->base.dev); const struct drm_display_mode *fixed_mode, *best_mode = NULL; - int vrefresh = drm_mode_vrefresh(adjusted_mode); + int min_vrefresh = i915->vbt.seamless_drrs_min_refresh_rate; + int max_vrefresh = drm_mode_vrefresh(adjusted_mode); /* pick the fixed_mode with the lowest refresh rate */ list_for_each_entry(fixed_mode, &connector->panel.fixed_modes, head) { - if (drm_mode_vrefresh(fixed_mode) < vrefresh) { - vrefresh = drm_mode_vrefresh(fixed_mode); + int vrefresh = drm_mode_vrefresh(fixed_mode); + + if (vrefresh >= min_vrefresh && vrefresh < max_vrefresh) { + max_vrefresh = vrefresh; best_mode = fixed_mode; } } diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index 64bd4ca0edd4..5a598dd06039 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -6,6 +6,7 @@ #include "g4x_dp.h" #include "i915_drv.h" #include "intel_de.h" +#include "intel_display_power_well.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dpll.h" diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 8ec7c161284b..06db407e2749 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1353,6 +1353,9 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, 0); intel_dp->psr.enabled = false; + intel_dp->psr.psr2_enabled = false; + intel_dp->psr.psr2_sel_fetch_enabled = false; + intel_dp->psr.psr2_sel_fetch_cff_enabled = false; } /** diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index fc037c027ea5..b8b822ea3755 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -6,6 +6,7 @@ #include "i915_drv.h" #include "i915_reg.h" #include "intel_display.h" +#include "intel_display_power_map.h" #include "intel_display_types.h" #include "intel_dp_mst.h" #include "intel_tc.h" @@ -61,10 +62,12 @@ bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port) static enum intel_display_power_domain tc_cold_get_power_domain(struct intel_digital_port *dig_port, enum tc_port_mode mode) { + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + if (mode == TC_PORT_TBT_ALT || !intel_tc_cold_requires_aux_pw(dig_port)) return POWER_DOMAIN_TC_COLD_OFF; - return intel_legacy_aux_to_power_domain(dig_port->aux_ch); + return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch); } static intel_wakeref_t diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index e4a11c3e3f3e..4b98bab3b890 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -735,7 +735,7 @@ struct lvds_lfp_data_ptr { } __packed; struct bdb_lvds_lfp_data_ptrs { - u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */ + u8 lvds_entries; struct lvds_lfp_data_ptr ptr[16]; struct lvds_lfp_data_ptr_table panel_name; /* 156-163? */ } __packed; @@ -769,6 +769,11 @@ struct lvds_pnp_id { u8 mfg_year; } __packed; +/* + * For reference only. fp_timing has variable size so + * the data must be accessed using the data table pointers. + * Do not use this directly! + */ struct lvds_lfp_data_entry { struct lvds_fp_timing fp_timing; struct lvds_dvo_timing dvo_timing; @@ -783,6 +788,23 @@ struct lvds_lfp_panel_name { u8 name[13]; } __packed; +struct lvds_lfp_black_border { + u8 top; /* 227 */ + u8 bottom; /* 227 */ + u8 left; /* 238 */ + u8 right; /* 238 */ +} __packed; + +struct bdb_lvds_lfp_data_tail { + struct lvds_lfp_panel_name panel_name[16]; /* 156-163? */ + u16 scaling_enable; /* 187 */ + u8 seamless_drrs_min_refresh_rate[16]; /* 188 */ + u8 pixel_overlap_count[16]; /* 208 */ + struct lvds_lfp_black_border black_border[16]; /* 227 */ + u16 dual_lfp_port_sync_enable; /* 231 */ + u16 gpu_dithering_for_banding_artifacts; /* 245 */ +} __packed; + /* * Block 43 - LFP Backlight Control Data Block */ |