[PATCH v2 5/6] drm/i915/edp: postpone MSO init until after EDID read

Jani Nikula jani.nikula at intel.com
Tue Aug 31 14:17:34 UTC 2021


MSO will require segment pixel overlap information from the
EDID. Postpone MSO init until after we've read and cached the EDID.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 64e8151d13a4..df402f63b741 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2536,8 +2536,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
 	 */
 	intel_edp_init_source_oui(intel_dp, true);
 
-	intel_edp_mso_init(intel_dp);
-
 	return true;
 }
 
@@ -4804,6 +4802,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	if (fixed_mode)
 		downclock_mode = intel_drrs_init(intel_connector, fixed_mode);
 
+	/* MSO requires information from the EDID */
+	intel_edp_mso_init(intel_dp);
+
 	/* multiply the mode clock and horizontal timings for MSO */
 	intel_edp_mso_mode_fixup(intel_connector, fixed_mode);
 	intel_edp_mso_mode_fixup(intel_connector, downclock_mode);
-- 
2.30.2



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