1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h
index e3d4c6035eb2..01f66463271b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.h
@@ -198,6 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine)
 
 void sun4i_backend_layer_enable(struct sun4i_backend *backend,
                                 int layer, bool enable);
+bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier);
 int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
                                      int layer, struct drm_plane *plane);
 int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
@@ -208,5 +209,7 @@ int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend,
                                         int layer, uint32_t in_fmt);
 int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend,
                                     int layer, struct drm_plane *plane);
+void sun4i_backend_cleanup_layer(struct sun4i_backend *backend,
+                                 int layer);
 
 #endif /* _SUN4I_BACKEND_H_ */