diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 154 |
1 files changed, 77 insertions, 77 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 69d7da66f168..b4113506b3b8 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1501,6 +1501,83 @@ static u8 translate_iboost(u8 val) return mapping[val]; } +static const u8 cnp_ddc_pin_map[] = { + [0] = 0, /* N/A */ + [DDC_BUS_DDI_B] = GMBUS_PIN_1_BXT, + [DDC_BUS_DDI_C] = GMBUS_PIN_2_BXT, + [DDC_BUS_DDI_D] = GMBUS_PIN_4_CNP, /* sic */ + [DDC_BUS_DDI_F] = GMBUS_PIN_3_BXT, /* sic */ +}; + +static const u8 icp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, + [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, + [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, + [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, + [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, + [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, + [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, +}; + +static const u8 rkl_pch_tgp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [RKL_DDC_BUS_DDI_D] = GMBUS_PIN_9_TC1_ICP, + [RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP, +}; + +static const u8 adls_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ADLS_DDC_BUS_PORT_TC1] = GMBUS_PIN_9_TC1_ICP, + [ADLS_DDC_BUS_PORT_TC2] = GMBUS_PIN_10_TC2_ICP, + [ADLS_DDC_BUS_PORT_TC3] = GMBUS_PIN_11_TC3_ICP, + [ADLS_DDC_BUS_PORT_TC4] = GMBUS_PIN_12_TC4_ICP, +}; + +static const u8 gen9bc_tgp_ddc_pin_map[] = { + [DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, + [DDC_BUS_DDI_D] = GMBUS_PIN_10_TC2_ICP, +}; + +static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin) +{ + const u8 *ddc_pin_map; + int n_entries; + + if (IS_ALDERLAKE_S(i915)) { + ddc_pin_map = adls_ddc_pin_map; + n_entries = ARRAY_SIZE(adls_ddc_pin_map); + } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) { + return vbt_pin; + } else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) { + ddc_pin_map = rkl_pch_tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map); + } else if (HAS_PCH_TGP(i915) && DISPLAY_VER(i915) == 9) { + ddc_pin_map = gen9bc_tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(gen9bc_tgp_ddc_pin_map); + } else if (INTEL_PCH_TYPE(i915) >= PCH_ICP) { + ddc_pin_map = icp_ddc_pin_map; + n_entries = ARRAY_SIZE(icp_ddc_pin_map); + } else if (HAS_PCH_CNP(i915)) { + ddc_pin_map = cnp_ddc_pin_map; + n_entries = ARRAY_SIZE(cnp_ddc_pin_map); + } else { + /* Assuming direct map */ + return vbt_pin; + } + + if (vbt_pin < n_entries && ddc_pin_map[vbt_pin] != 0) + return ddc_pin_map[vbt_pin]; + + drm_dbg_kms(&i915->drm, + "Ignoring alternate pin: VBT claims DDC pin %d, which is not valid for this platform\n", + vbt_pin); + return 0; +} + static enum port get_port_by_ddc_pin(struct drm_i915_private *i915, u8 ddc_pin) { const struct ddi_vbt_port_info *info; @@ -1606,83 +1683,6 @@ static void sanitize_aux_ch(struct intel_bios_encoder_data *devdata, child->aux_channel = 0; } -static const u8 cnp_ddc_pin_map[] = { - [0] = 0, /* N/A */ - [DDC_BUS_DDI_B] = GMBUS_PIN_1_BXT, - [DDC_BUS_DDI_C] = GMBUS_PIN_2_BXT, - [DDC_BUS_DDI_D] = GMBUS_PIN_4_CNP, /* sic */ - [DDC_BUS_DDI_F] = GMBUS_PIN_3_BXT, /* sic */ -}; - -static const u8 icp_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, - [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, - [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, - [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, - [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, - [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, - [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, -}; - -static const u8 rkl_pch_tgp_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [RKL_DDC_BUS_DDI_D] = GMBUS_PIN_9_TC1_ICP, - [RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP, -}; - -static const u8 adls_ddc_pin_map[] = { - [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, - [ADLS_DDC_BUS_PORT_TC1] = GMBUS_PIN_9_TC1_ICP, - [ADLS_DDC_BUS_PORT_TC2] = GMBUS_PIN_10_TC2_ICP, - [ADLS_DDC_BUS_PORT_TC3] = GMBUS_PIN_11_TC3_ICP, - [ADLS_DDC_BUS_PORT_TC4] = GMBUS_PIN_12_TC4_ICP, -}; - -static const u8 gen9bc_tgp_ddc_pin_map[] = { - [DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, - [DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, - [DDC_BUS_DDI_D] = GMBUS_PIN_10_TC2_ICP, -}; - -static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin) -{ - const u8 *ddc_pin_map; - int n_entries; - - if (IS_ALDERLAKE_S(i915)) { - ddc_pin_map = adls_ddc_pin_map; - n_entries = ARRAY_SIZE(adls_ddc_pin_map); - } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) { - return vbt_pin; - } else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) { - ddc_pin_map = rkl_pch_tgp_ddc_pin_map; - n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map); - } else if (HAS_PCH_TGP(i915) && DISPLAY_VER(i915) == 9) { - ddc_pin_map = gen9bc_tgp_ddc_pin_map; - n_entries = ARRAY_SIZE(gen9bc_tgp_ddc_pin_map); - } else if (INTEL_PCH_TYPE(i915) >= PCH_ICP) { - ddc_pin_map = icp_ddc_pin_map; - n_entries = ARRAY_SIZE(icp_ddc_pin_map); - } else if (HAS_PCH_CNP(i915)) { - ddc_pin_map = cnp_ddc_pin_map; - n_entries = ARRAY_SIZE(cnp_ddc_pin_map); - } else { - /* Assuming direct map */ - return vbt_pin; - } - - if (vbt_pin < n_entries && ddc_pin_map[vbt_pin] != 0) - return ddc_pin_map[vbt_pin]; - - drm_dbg_kms(&i915->drm, - "Ignoring alternate pin: VBT claims DDC pin %d, which is not valid for this platform\n", - vbt_pin); - return 0; -} - static enum port __dvo_port_to_port(int n_ports, int n_dvo, const int port_mapping[][3], u8 dvo_port) { |