mgag200_crtc_helper_atomic_check
int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *new_state);
.atomic_check = mgag200_crtc_helper_atomic_check, \
.atomic_check = mgag200_crtc_helper_atomic_check,
.atomic_check = mgag200_crtc_helper_atomic_check,
.atomic_check = mgag200_crtc_helper_atomic_check,