Where no modifiers are exposed, usually linear modifier is assumed. However, userspace code is starting to expect IN_FORMATS even when the only supported modifiers are linear [1].
To avoid possible issues, explicitly set the DRM_FORMAT_MOD_LINEAR modifier.
[1] https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/599/diffs?com...
Suggested-by: Chris Healy cphealy@gmail.com Signed-off-by: José Expósito jose.exposito89@gmail.com --- drivers/gpu/drm/vkms/vkms_plane.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index 32409e15244b..1666fa59189b 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -20,6 +20,11 @@ static const u32 vkms_plane_formats[] = { DRM_FORMAT_XRGB8888 };
+static const u64 vkms_plane_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + static struct drm_plane_state * vkms_plane_duplicate_state(struct drm_plane *plane) { @@ -189,7 +194,7 @@ struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev, plane = drmm_universal_plane_alloc(dev, struct vkms_plane, base, 1 << index, &vkms_plane_funcs, formats, nformats, - NULL, type, NULL); + vkms_plane_modifiers, type, NULL); if (IS_ERR(plane)) return plane;