sun4i_backend_update_layer_zpos 206 drivers/gpu/drm/sun4i/sun4i_backend.h int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend, sun4i_backend_update_layer_zpos 108 drivers/gpu/drm/sun4i/sun4i_layer.c sun4i_backend_update_layer_zpos(backend, layer->id, plane);