[PATCH 5/5] drm/i915/edp: use MSO pixel overlap from DisplayID data

[Jani Nikula]

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

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 8e75543334c2..0d7c9eadca08 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2459,6 +2459,8 @@ 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)
@@ -2477,8 +2479,9 @@ 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;
@@ -2486,7 +2489,7 @@ 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
-- 
2.20.1