Commit f5c32370 authored Sep 04, 2025 by Fangzhi Zuo Committed by Alex Deucher Sep 09, 2025

drm/amd/display: Disable DPCD Probe Quirk



Disable dpcd probe quirk to native aux.

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4500


Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20250904191351.746707-1-Jerry.Zuo@amd.com


Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c5f4fb40)
Cc: stable@vger.kernel.org # 6.16.y: 5281cbe0
Cc: stable@vger.kernel.org # 6.16.y: 0b4aa85e
Cc: stable@vger.kernel.org # 6.16.y: b87ed522
Cc: stable@vger.kernel.org # 6.16.y

parent 440cec4c

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -809,6 +809,7 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
		drm_dp_aux_init(&aconnector->dm_dp_aux.aux);
		drm_dp_cec_register_connector(&aconnector->dm_dp_aux.aux,
		&aconnector->base);
		drm_dp_dpcd_set_probe(&aconnector->dm_dp_aux.aux, false);

		if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
		return;