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authorFangzhi Zuo <Jerry.Zuo@amd.com>2025-09-04 15:13:51 -0400
committerAlex Deucher <alexander.deucher@amd.com>2025-09-09 12:23:05 -0400
commitf5c32370dba668c171c73684f489a3ea0b9503c5 (patch)
tree0c1eedec5039f7cb5678e3c0abd221f0e04f09e0
parent440cec4ca1c242d72e309a801995584a55af25c6 (diff)
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 c5f4fb40584ee591da9fa090c6f265d11cbb1acf) Cc: stable@vger.kernel.org # 6.16.y: 5281cbe0b55a Cc: stable@vger.kernel.org # 6.16.y: 0b4aa85e8981 Cc: stable@vger.kernel.org # 6.16.y: b87ed522b364 Cc: stable@vger.kernel.org # 6.16.y
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 7187d5aedf0a..77a9d2c7d318 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -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;