intel_atomic_get_new_crtc_state
intel_atomic_get_new_crtc_state(state, to_intel_crtc(crtc));
intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
intel_atomic_get_new_crtc_state(to_intel_atomic_state(old_state),
!intel_atomic_get_new_crtc_state(state, fbc->crtc))
crtc_state = intel_atomic_get_new_crtc_state(state, crtc);