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drm/i915/edp: use MSO pixel overlap from DisplayID data 

Now that we have MSO pixel overlap in display info, use it.

Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87d8d80ba205eb2ecb50f613219e0a821a842616.1630419362.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2021-08-31 17:17:35 +03:00
parent 948b0ae65b
commit 185667c298
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/i915/display/intel_dp.c
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@ -2452,6 +2452,8 @@ static void intel_edp_mso_mode_fixup(struct intel_connector *connector,
static void intel_edp_mso_init(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_connector *connector = intel_dp->attached_connector;
struct drm_display_info *info = &connector->base.display_info;
u8 mso;
if (intel_dp->edp_dpcd[0] < DP_EDP_14)
@ -2470,8 +2472,9 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp)
}
if (mso) {
drm_dbg_kms(&i915->drm, "Sink MSO %ux%u configuration\n",
mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso);
drm_dbg_kms(&i915->drm, "Sink MSO %ux%u configuration, pixel overlap %u\n",
mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso,
info->mso_pixel_overlap);
if (!HAS_MSO(i915)) {
drm_err(&i915->drm, "No source MSO support, disabling\n");
mso = 0;
@ -2479,7 +2482,7 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp)
}
intel_dp->mso_link_count = mso;
intel_dp->mso_pixel_overlap = 0; /* FIXME: read from DisplayID v2.0 */
intel_dp->mso_pixel_overlap = mso ? info->mso_pixel_overlap : 0;
}
static bool