6.16-stable review patch. If anyone has any objections, please let me know.
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From: Fangzhi Zuo Jerry.Zuo@amd.com
commit f5c32370dba668c171c73684f489a3ea0b9503c5 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 1 + 1 file changed, 1 insertion(+)
--- 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(s 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;