On 08/29, Hamza Mahfooz wrote:
> This reverts commit 984612bd4649c91f12e9c7c7f9e914fdc8ba7d3f.
>
> The problematic IGT test case (i.e. kms_atomic@plane-immutable-zpos) has
> been fixed as of commit cb77add45011 ("tests/kms_atomic: remove zpos <
> N-planes assert") to the IGT repo. So, reintroduce the reverted code.
>
> Link: https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/commit/cb77add45011b129e21f3cb2a4089a73dde56179
> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Reviewed-by: Melissa Wen <mwen@xxxxxxxxxx>
Thanks!
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 9 +++++++++
> 1 file changed, 9 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 894bc7e4fdaa..df568a7cd005 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
> @@ -1469,6 +1469,15 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
> drm_plane_create_blend_mode_property(plane, blend_caps);
> }
>
> + if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
> + drm_plane_create_zpos_immutable_property(plane, 0);
> + } else if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
> + unsigned int zpos = 1 + drm_plane_index(plane);
> + drm_plane_create_zpos_property(plane, zpos, 1, 254);
> + } else if (plane->type == DRM_PLANE_TYPE_CURSOR) {
> + drm_plane_create_zpos_immutable_property(plane, 255);
> + }
> +
> if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
> plane_cap &&
> (plane_cap->pixel_format_support.nv12 ||
> --
> 2.41.0
>
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