diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vbt_defs.h | 1 |
2 files changed, 21 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 0f95ca652115..ccd39daacdbf 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1366,18 +1366,26 @@ parse_edp(struct drm_i915_private *i915, panel->vbt.edp.pps = *edp_pps; - switch (edp_link_params->rate) { - case EDP_RATE_1_62: - panel->vbt.edp.rate = DP_LINK_BW_1_62; - break; - case EDP_RATE_2_7: - panel->vbt.edp.rate = DP_LINK_BW_2_7; - break; - default: - drm_dbg_kms(&i915->drm, - "VBT has unknown eDP link rate value %u\n", - edp_link_params->rate); - break; + if (i915->vbt.version >= 224) { + panel->vbt.edp.rate = + edp->edp_fast_link_training_rate[panel_type] * 20; + } else { + switch (edp_link_params->rate) { + case EDP_RATE_1_62: + panel->vbt.edp.rate = 162000; + break; + case EDP_RATE_2_7: + panel->vbt.edp.rate = 270000; + break; + case EDP_RATE_5_4: + panel->vbt.edp.rate = 540000; + break; + default: + drm_dbg_kms(&i915->drm, + "VBT has unknown eDP link rate value %u\n", + edp_link_params->rate); + break; + } } switch (edp_link_params->lanes) { diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 14f1e1cc92c5..58aee0a040cf 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -638,6 +638,7 @@ struct bdb_sdvo_panel_dtds { #define EDP_30BPP 2 #define EDP_RATE_1_62 0 #define EDP_RATE_2_7 1 +#define EDP_RATE_5_4 2 #define EDP_LANE_1 0 #define EDP_LANE_2 1 #define EDP_LANE_4 3 |