diff options
-rw-r--r-- | drivers/gpu/drm/i915/Makefile | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_crt.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 215 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.h | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_load_detect.c | 229 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_load_detect.h | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_tv.c | 5 |
8 files changed, 260 insertions, 230 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 154986359169..9af76e376ca9 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -261,6 +261,7 @@ i915-y += \ display/intel_hdcp_gsc.o \ display/intel_hotplug.o \ display/intel_hti.o \ + display/intel_load_detect.o \ display/intel_lpe_audio.o \ display/intel_modeset_verify.o \ display/intel_modeset_setup.o \ diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 38e9c61c2344..96acdf98a0c0 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -48,6 +48,7 @@ #include "intel_fifo_underrun.h" #include "intel_gmbus.h" #include "intel_hotplug.h" +#include "intel_load_detect.h" #include "intel_pch_display.h" #include "intel_pch_refclk.h" @@ -881,7 +882,7 @@ load_detect: } /* for pre-945g platforms use load detect */ - ret = intel_get_load_detect_pipe(connector, &tmp, ctx); + ret = intel_load_detect_get_pipe(connector, &tmp, ctx); if (ret > 0) { if (intel_crt_detect_ddc(connector)) status = connector_status_connected; @@ -892,7 +893,7 @@ load_detect: status = connector_status_disconnected; else status = connector_status_unknown; - intel_release_load_detect_pipe(connector, &tmp, ctx); + intel_load_detect_release_pipe(connector, &tmp, ctx); } else if (ret == 0) { status = connector_status_unknown; } else { diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1c264c17b6e4..2d4a6936ab2b 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3821,221 +3821,6 @@ bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state) return true; } -/* VESA 640x480x72Hz mode to set on the pipe */ -static const struct drm_display_mode load_detect_mode = { - DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, - 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), -}; - -static int intel_modeset_disable_planes(struct drm_atomic_state *state, - struct drm_crtc *crtc) -{ - struct drm_plane *plane; - struct drm_plane_state *plane_state; - int ret, i; - - ret = drm_atomic_add_affected_planes(state, crtc); - if (ret) - return ret; - - for_each_new_plane_in_state(state, plane, plane_state, i) { - if (plane_state->crtc != crtc) - continue; - - ret = drm_atomic_set_crtc_for_plane(plane_state, NULL); - if (ret) - return ret; - - drm_atomic_set_fb_for_plane(plane_state, NULL); - } - - return 0; -} - -int intel_get_load_detect_pipe(struct drm_connector *connector, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx) -{ - struct intel_encoder *encoder = - intel_attached_encoder(to_intel_connector(connector)); - struct intel_crtc *possible_crtc; - struct intel_crtc *crtc = NULL; - struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_mode_config *config = &dev->mode_config; - struct drm_atomic_state *state = NULL, *restore_state = NULL; - struct drm_connector_state *connector_state; - struct intel_crtc_state *crtc_state; - int ret; - - drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", - connector->base.id, connector->name, - encoder->base.base.id, encoder->base.name); - - old->restore_state = NULL; - - drm_WARN_ON(dev, !drm_modeset_is_locked(&config->connection_mutex)); - - /* - * Algorithm gets a little messy: - * - * - if the connector already has an assigned crtc, use it (but make - * sure it's on first) - * - * - try to find the first unused crtc that can drive this connector, - * and use that if we find one - */ - - /* See if we already have a CRTC for this connector */ - if (connector->state->crtc) { - crtc = to_intel_crtc(connector->state->crtc); - - ret = drm_modeset_lock(&crtc->base.mutex, ctx); - if (ret) - goto fail; - - /* Make sure the crtc and connector are running */ - goto found; - } - - /* Find an unused one (if possible) */ - for_each_intel_crtc(dev, possible_crtc) { - if (!(encoder->base.possible_crtcs & - drm_crtc_mask(&possible_crtc->base))) - continue; - - ret = drm_modeset_lock(&possible_crtc->base.mutex, ctx); - if (ret) - goto fail; - - if (possible_crtc->base.state->enable) { - drm_modeset_unlock(&possible_crtc->base.mutex); - continue; - } - - crtc = possible_crtc; - break; - } - - /* - * If we didn't find an unused CRTC, don't use any. - */ - if (!crtc) { - drm_dbg_kms(&dev_priv->drm, - "no pipe available for load-detect\n"); - ret = -ENODEV; - goto fail; - } - -found: - state = drm_atomic_state_alloc(dev); - restore_state = drm_atomic_state_alloc(dev); - if (!state || !restore_state) { - ret = -ENOMEM; - goto fail; - } - - state->acquire_ctx = ctx; - to_intel_atomic_state(state)->internal = true; - - restore_state->acquire_ctx = ctx; - to_intel_atomic_state(restore_state)->internal = true; - - connector_state = drm_atomic_get_connector_state(state, connector); - if (IS_ERR(connector_state)) { - ret = PTR_ERR(connector_state); - goto fail; - } - - ret = drm_atomic_set_crtc_for_connector(connector_state, &crtc->base); - if (ret) - goto fail; - - crtc_state = intel_atomic_get_crtc_state(state, crtc); - if (IS_ERR(crtc_state)) { - ret = PTR_ERR(crtc_state); - goto fail; - } - - crtc_state->uapi.active = true; - - ret = drm_atomic_set_mode_for_crtc(&crtc_state->uapi, - &load_detect_mode); - if (ret) - goto fail; - - ret = intel_modeset_disable_planes(state, &crtc->base); - if (ret) - goto fail; - - ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector)); - if (!ret) - ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, &crtc->base)); - if (!ret) - ret = drm_atomic_add_affected_planes(restore_state, &crtc->base); - if (ret) { - drm_dbg_kms(&dev_priv->drm, - "Failed to create a copy of old state to restore: %i\n", - ret); - goto fail; - } - - ret = drm_atomic_commit(state); - if (ret) { - drm_dbg_kms(&dev_priv->drm, - "failed to set mode on load-detect pipe\n"); - goto fail; - } - - old->restore_state = restore_state; - drm_atomic_state_put(state); - - /* let the connector get through one full cycle before testing */ - intel_crtc_wait_for_next_vblank(crtc); - - return true; - -fail: - if (state) { - drm_atomic_state_put(state); - state = NULL; - } - if (restore_state) { - drm_atomic_state_put(restore_state); - restore_state = NULL; - } - - if (ret == -EDEADLK) - return ret; - - return false; -} - -void intel_release_load_detect_pipe(struct drm_connector *connector, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx) -{ - struct intel_encoder *intel_encoder = - intel_attached_encoder(to_intel_connector(connector)); - struct drm_i915_private *i915 = to_i915(intel_encoder->base.dev); - struct drm_encoder *encoder = &intel_encoder->base; - struct drm_atomic_state *state = old->restore_state; - int ret; - - drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", - connector->base.id, connector->name, - encoder->base.id, encoder->name); - - if (!state) - return; - - ret = drm_atomic_helper_commit_duplicated_state(state, ctx); - if (ret) - drm_dbg_kms(&i915->drm, - "Couldn't release load detect pipe: %i\n", ret); - drm_atomic_state_put(state); -} - static int i9xx_pll_refclk(struct drm_device *dev, const struct intel_crtc_state *pipe_config) { diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index fefad8cfc8a2..ac95961f68ba 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -56,7 +56,6 @@ struct intel_dp; struct intel_encoder; struct intel_initial_plane_config; struct intel_link_m_n; -struct intel_load_detect_pipe; struct intel_plane; struct intel_plane_state; struct intel_power_domain_mask; @@ -455,12 +454,6 @@ int ilk_get_lanes_required(int target_clock, int link_bw, int bpp); void vlv_wait_port_ready(struct drm_i915_private *dev_priv, struct intel_digital_port *dig_port, unsigned int expected_mask); -int intel_get_load_detect_pipe(struct drm_connector *connector, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx); -void intel_release_load_detect_pipe(struct drm_connector *connector, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx); struct drm_framebuffer * intel_framebuffer_create(struct drm_i915_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 64b6a5ec4b81..35c260bd1461 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1838,10 +1838,6 @@ struct intel_dp_mst_encoder { struct intel_connector *connector; }; -struct intel_load_detect_pipe { - struct drm_atomic_state *restore_state; -}; - static inline struct intel_encoder * intel_attached_encoder(struct intel_connector *connector) { diff --git a/drivers/gpu/drm/i915/display/intel_load_detect.c b/drivers/gpu/drm/i915/display/intel_load_detect.c new file mode 100644 index 000000000000..5d6bb6d712bc --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_load_detect.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2023 Intel Corporation + */ + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_atomic_uapi.h> + +#include "i915_drv.h" +#include "intel_atomic.h" +#include "intel_crtc.h" +#include "intel_display_types.h" +#include "intel_load_detect.h" + +/* VESA 640x480x72Hz mode to set on the pipe */ +static const struct drm_display_mode load_detect_mode = { + DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, + 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), +}; + +static int intel_modeset_disable_planes(struct drm_atomic_state *state, + struct drm_crtc *crtc) +{ + struct drm_plane *plane; + struct drm_plane_state *plane_state; + int ret, i; + + ret = drm_atomic_add_affected_planes(state, crtc); + if (ret) + return ret; + + for_each_new_plane_in_state(state, plane, plane_state, i) { + if (plane_state->crtc != crtc) + continue; + + ret = drm_atomic_set_crtc_for_plane(plane_state, NULL); + if (ret) + return ret; + + drm_atomic_set_fb_for_plane(plane_state, NULL); + } + + return 0; +} + +int intel_load_detect_get_pipe(struct drm_connector *connector, + struct intel_load_detect_pipe *old, + struct drm_modeset_acquire_ctx *ctx) +{ + struct intel_encoder *encoder = + intel_attached_encoder(to_intel_connector(connector)); + struct intel_crtc *possible_crtc; + struct intel_crtc *crtc = NULL; + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_mode_config *config = &dev->mode_config; + struct drm_atomic_state *state = NULL, *restore_state = NULL; + struct drm_connector_state *connector_state; + struct intel_crtc_state *crtc_state; + int ret; + + drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", + connector->base.id, connector->name, + encoder->base.base.id, encoder->base.name); + + old->restore_state = NULL; + + drm_WARN_ON(dev, !drm_modeset_is_locked(&config->connection_mutex)); + + /* + * Algorithm gets a little messy: + * + * - if the connector already has an assigned crtc, use it (but make + * sure it's on first) + * + * - try to find the first unused crtc that can drive this connector, + * and use that if we find one + */ + + /* See if we already have a CRTC for this connector */ + if (connector->state->crtc) { + crtc = to_intel_crtc(connector->state->crtc); + + ret = drm_modeset_lock(&crtc->base.mutex, ctx); + if (ret) + goto fail; + + /* Make sure the crtc and connector are running */ + goto found; + } + + /* Find an unused one (if possible) */ + for_each_intel_crtc(dev, possible_crtc) { + if (!(encoder->base.possible_crtcs & + drm_crtc_mask(&possible_crtc->base))) + continue; + + ret = drm_modeset_lock(&possible_crtc->base.mutex, ctx); + if (ret) + goto fail; + + if (possible_crtc->base.state->enable) { + drm_modeset_unlock(&possible_crtc->base.mutex); + continue; + } + + crtc = possible_crtc; + break; + } + + /* + * If we didn't find an unused CRTC, don't use any. + */ + if (!crtc) { + drm_dbg_kms(&dev_priv->drm, + "no pipe available for load-detect\n"); + ret = -ENODEV; + goto fail; + } + +found: + state = drm_atomic_state_alloc(dev); + restore_state = drm_atomic_state_alloc(dev); + if (!state || !restore_state) { + ret = -ENOMEM; + goto fail; + } + + state->acquire_ctx = ctx; + to_intel_atomic_state(state)->internal = true; + + restore_state->acquire_ctx = ctx; + to_intel_atomic_state(restore_state)->internal = true; + + connector_state = drm_atomic_get_connector_state(state, connector); + if (IS_ERR(connector_state)) { + ret = PTR_ERR(connector_state); + goto fail; + } + + ret = drm_atomic_set_crtc_for_connector(connector_state, &crtc->base); + if (ret) + goto fail; + + crtc_state = intel_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); + goto fail; + } + + crtc_state->uapi.active = true; + + ret = drm_atomic_set_mode_for_crtc(&crtc_state->uapi, + &load_detect_mode); + if (ret) + goto fail; + + ret = intel_modeset_disable_planes(state, &crtc->base); + if (ret) + goto fail; + + ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector)); + if (!ret) + ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, &crtc->base)); + if (!ret) + ret = drm_atomic_add_affected_planes(restore_state, &crtc->base); + if (ret) { + drm_dbg_kms(&dev_priv->drm, + "Failed to create a copy of old state to restore: %i\n", + ret); + goto fail; + } + + ret = drm_atomic_commit(state); + if (ret) { + drm_dbg_kms(&dev_priv->drm, + "failed to set mode on load-detect pipe\n"); + goto fail; + } + + old->restore_state = restore_state; + drm_atomic_state_put(state); + + /* let the connector get through one full cycle before testing */ + intel_crtc_wait_for_next_vblank(crtc); + + return true; + +fail: + if (state) { + drm_atomic_state_put(state); + state = NULL; + } + if (restore_state) { + drm_atomic_state_put(restore_state); + restore_state = NULL; + } + + if (ret == -EDEADLK) + return ret; + + return false; +} + +void intel_load_detect_release_pipe(struct drm_connector *connector, + struct intel_load_detect_pipe *old, + struct drm_modeset_acquire_ctx *ctx) +{ + struct intel_encoder *intel_encoder = + intel_attached_encoder(to_intel_connector(connector)); + struct drm_i915_private *i915 = to_i915(intel_encoder->base.dev); + struct drm_encoder *encoder = &intel_encoder->base; + struct drm_atomic_state *state = old->restore_state; + int ret; + + drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", + connector->base.id, connector->name, + encoder->base.id, encoder->name); + + if (!state) + return; + + ret = drm_atomic_helper_commit_duplicated_state(state, ctx); + if (ret) + drm_dbg_kms(&i915->drm, + "Couldn't release load detect pipe: %i\n", ret); + drm_atomic_state_put(state); +} diff --git a/drivers/gpu/drm/i915/display/intel_load_detect.h b/drivers/gpu/drm/i915/display/intel_load_detect.h new file mode 100644 index 000000000000..9b69da1867a5 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_load_detect.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef __INTEL_LOAD_DETECT_H__ +#define __INTEL_LOAD_DETECT_H__ + +struct drm_atomic_state; +struct drm_connector; +struct drm_modeset_acquire_ctx; + +struct intel_load_detect_pipe { + struct drm_atomic_state *restore_state; +}; + +int intel_load_detect_get_pipe(struct drm_connector *connector, + struct intel_load_detect_pipe *old, + struct drm_modeset_acquire_ctx *ctx); +void intel_load_detect_release_pipe(struct drm_connector *connector, + struct intel_load_detect_pipe *old, + struct drm_modeset_acquire_ctx *ctx); + +#endif /* __INTEL_LOAD_DETECT_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index 557ec5b62afa..07e7f7cdd961 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -43,6 +43,7 @@ #include "intel_display_types.h" #include "intel_dpll.h" #include "intel_hotplug.h" +#include "intel_load_detect.h" #include "intel_tv.h" #include "intel_tv_regs.h" @@ -1725,13 +1726,13 @@ intel_tv_detect(struct drm_connector *connector, struct intel_load_detect_pipe tmp; int ret; - ret = intel_get_load_detect_pipe(connector, &tmp, ctx); + ret = intel_load_detect_get_pipe(connector, &tmp, ctx); if (ret < 0) return ret; if (ret > 0) { type = intel_tv_detect_type(intel_tv, connector); - intel_release_load_detect_pipe(connector, &tmp, ctx); + intel_load_detect_release_pipe(connector, &tmp, ctx); status = type < 0 ? connector_status_disconnected : connector_status_connected; |