From: Fangzhi Zuo Date: Thu, 4 Sep 2025 19:13:51 +0000 (-0400) Subject: drm/amd/display: Disable DPCD Probe Quirk X-Git-Tag: v6.17-rc6~13^2~3^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f5c32370dba668c171c73684f489a3ea0b9503c5;p=thirdparty%2Fkernel%2Fstable.git drm/amd/display: Disable DPCD Probe Quirk Disable dpcd probe quirk to native aux. Signed-off-by: Fangzhi Zuo Reviewed-by: Imre Deak Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4500 Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20250904191351.746707-1-Jerry.Zuo@amd.com Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher (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 --- 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 7187d5aedf0a5..77a9d2c7d3185 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;