When this file was split in
5d945cbcd4b16a29d6470a80dfb19738f9a4319f
Author: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Date: Wed Jul 20 15:31:42 2022 -0400
drm/amd/display: Create a file dedicated to planes
This chunk seemed to get dropped. Linus noticed on this
rx580 and I've reproduced on FIJI which makes sense as these
are pre-modifier GPUs.
With this applied, I get gdm back.
Fixes: 5d945cbcd4b1 ("drm/amd/display: Create a file dedicated to planes")
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index 8cd25b2ea0dc..b841b8b0a9d8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -1591,6 +1591,9 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
if (res)
return res;
+ if (modifiers == NULL)
+ adev_to_drm(dm->adev)->mode_config.fb_modifiers_not_supported = true;
+
res = drm_universal_plane_init(adev_to_drm(dm->adev), plane, possible_crtcs,
&dm_plane_funcs, formats, num_formats,
modifiers, plane->type, NULL);
--
2.37.1
