[PATCH 5.12 179/242] drm/arm/malidp: Always list modifiers

[Greg Kroah-Hartman]

From: Daniel Vetter <daniel.vetter@xxxxxxxx>

commit 26c3e7fd5a3499e408915dadae5d5360790aae9a upstream.

Even when all we support is linear, make that explicit. Otherwise the
uapi is rather confusing.

Acked-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Acked-by: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxx>
Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxx>
Cc: Liviu Dudau <liviu.dudau@xxxxxxx>
Cc: Brian Starkey <brian.starkey@xxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20210427092018.832258-2-daniel.vetter@xxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/arm/malidp_planes.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -922,6 +922,11 @@ static const struct drm_plane_helper_fun
 	.atomic_disable = malidp_de_plane_disable,
 };
 
+static const uint64_t linear_only_modifiers[] = {
+	DRM_FORMAT_MOD_LINEAR,
+	DRM_FORMAT_MOD_INVALID
+};
+
 int malidp_de_planes_init(struct drm_device *drm)
 {
 	struct malidp_drm *malidp = drm->dev_private;
@@ -985,8 +990,8 @@ int malidp_de_planes_init(struct drm_dev
 		 */
 		ret = drm_universal_plane_init(drm, &plane->base, crtcs,
 				&malidp_de_plane_funcs, formats, n,
-				(id == DE_SMART) ? NULL : modifiers, plane_type,
-				NULL);
+				(id == DE_SMART) ? linear_only_modifiers : modifiers,
+				plane_type, NULL);
 
 		if (ret < 0)
 			goto cleanup;