[PATCH 0/4] drm/dp: Limit the DPCD probe quirk to the affected monitor
Imre Deak
imre.deak at intel.com
Tue Jun 3 12:15:39 UTC 2025
This patchset fixes a known issue where the DPCD probe quirk leads to
link training failures (patch 1) and limits the quirk to the monitor
which requires it, to avoid similar failures in the future.
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Jani Nikula <jani.nikula at linux.intel.com>
Imre Deak (4):
drm/dp: Change AUX DPCD probe address from DPCD_REV to LANE0_1_STATUS
drm/edid: Add support for quirks visible to DRM core and drivers
drm/dp: Add an EDID quirk for the DPCD register access probe
drm/i915/dp: Disable the AUX DPCD probe quirk if it's not required
drivers/gpu/drm/display/drm_dp_helper.c | 17 +++++++--
drivers/gpu/drm/drm_edid.c | 36 ++++++++++++++++----
drivers/gpu/drm/i915/display/intel_dp.c | 11 ++++--
drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 ++
drivers/gpu/drm/i915/display/intel_hotplug.c | 10 ++++++
include/drm/display/drm_dp_helper.h | 6 ++++
include/drm/drm_connector.h | 5 +++
include/drm/drm_edid.h | 6 ++++
8 files changed, 82 insertions(+), 11 deletions(-)
--
2.44.2
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