drm_dp_mst_is_end_device
if (drm_dp_mst_is_end_device(port->pdt, port->mcs)) {
drm_dp_mst_is_end_device(new_pdt, new_mcs)) {
if (drm_dp_mst_is_end_device(port->pdt, port->mcs)) {
drm_dp_mst_is_end_device(port->pdt, port->mcs) &&
if (drm_dp_mst_is_end_device(port->pdt, port->mcs)) {