to_rcar_crtc_state
rcrtc_state = to_rcar_crtc_state(crtc_state);
struct rcar_du_crtc_state *rstate = to_rcar_crtc_state(crtc_state);
struct rcar_du_crtc_state *rstate = to_rcar_crtc_state(crtc->state);
struct rcar_du_crtc_state *rstate = to_rcar_crtc_state(old_state);
state = to_rcar_crtc_state(crtc->state);
kfree(to_rcar_crtc_state(state));
rstate = to_rcar_crtc_state(rcrtc->crtc.state);
to_rcar_crtc_state(crtc_state);
state = to_rcar_crtc_state(crtc->crtc.state);