drm/amd/display: Temporary Disable MST DP Colorspace Property

Create MST colorsapce property for downstream device would trigger
warning message "RIP: 0010:drm_mode_object_add+0x8e/0xa0 [drm]"

After driver is loaded and drm device is registered, create
dp colorspace property triggers warning storm at
WARN_ON(!dev->driver->load && dev->registered && !obj_free_cb);

Temporary disabling MST dp colorspace property for now.

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 6d97706..dc96417 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7304,7 +7304,7 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
        if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
                if (!drm_mode_create_hdmi_colorspace_property(&aconnector->base, supported_colorspaces))
                        drm_connector_attach_colorspace_property(&aconnector->base);
-       } else if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+       } else if ((connector_type == DRM_MODE_CONNECTOR_DisplayPort && !aconnector->mst_root) ||
                   connector_type == DRM_MODE_CONNECTOR_eDP) {
                if (!drm_mode_create_dp_colorspace_property(&aconnector->base, supported_colorspaces))
                        drm_connector_attach_colorspace_property(&aconnector->base);