drm_gem_simple_kms_duplicate_shadow_plane_state
EXPORT_SYMBOL(drm_gem_simple_kms_duplicate_shadow_plane_state);
drm_gem_simple_kms_duplicate_shadow_plane_state(struct drm_simple_display_pipe *pipe);
.duplicate_plane_state = drm_gem_simple_kms_duplicate_shadow_plane_state, \