From: Fangzhi Zuo Jerry.Zuo@amd.com
[ Upstream commit 14aed119942f6c2f1286022323139f7404db5d2b ]
Ignore cable ID for DP2 receivers that does not support the feature.
Tested-by: Mark Broadworth mark.broadworth@amd.com Reviewed-by: Roman Li Roman.Li@amd.com Acked-by: Rodrigo Siqueira Rodrigo.Siqueira@amd.com Signed-off-by: Fangzhi Zuo Jerry.Zuo@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 3be70848b202..54c76ed1ad75 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1549,6 +1549,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm;
+ /* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */ + adev->dm.dc->debug.ignore_cable_id = true; + r = dm_dmub_hw_init(adev); if (r) { DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);