drm: plane: Make 'formats' parameter to drm_plane_init() const

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_crtc.c

@@ -554,7 +554,7 @@ EXPORT_SYMBOL(drm_encoder_cleanup);
 int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
 		   unsigned long possible_crtcs,
 		   const struct drm_plane_funcs *funcs,
-		   uint32_t *formats, uint32_t format_count)
+		   const uint32_t *formats, uint32_t format_count)
 {
 	mutex_lock(&dev->mode_config.mutex);
 

include/drm/drm_crtc.h

@@ -828,7 +828,7 @@ extern int drm_plane_init(struct drm_device *dev,
 			  struct drm_plane *plane,
 			  unsigned long possible_crtcs,
 			  const struct drm_plane_funcs *funcs,
-			  uint32_t *formats, uint32_t format_count);
+			  const uint32_t *formats, uint32_t format_count);
 extern void drm_plane_cleanup(struct drm_plane *plane);
 
 extern void drm_encoder_cleanup(struct drm_encoder *encoder);