[PATCH v2] drm/amd/display: Enable colorspace property for MST connectors

[Mario Limonciello]

MST colorspace property support was disabled due to a series of warnings
that came up when the device was plugged in since the properties weren't
made at device creation. Create the properties in advance instead.

Suggested-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Fixes: 69a959610229 ("drm/amd/display: Temporary Disable MST DP Colorspace 
Property").
Reported-and-tested-by: Tyler Schneider <tyler.schnei...@amd.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3353
Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 3 +++
 1 file changed, 3 insertions(+)

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 941e96f100f4..12b036d511d0 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
@@ -613,6 +613,9 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
                &connector->base,
                dev->mode_config.tile_property,
                0);
+       connector->colorspace_property = master->base.colorspace_property;
+       if (connector->colorspace_property)
+               drm_connector_attach_colorspace_property(connector);
 
        drm_connector_set_path_property(connector, pathprop);
 
-- 
2.43.0