drm_atomic_helper_unprepare_planes
drm_atomic_helper_unprepare_planes(dev, state);
drm_atomic_helper_unprepare_planes(dev, state);
EXPORT_SYMBOL(drm_atomic_helper_unprepare_planes);
drm_atomic_helper_unprepare_planes(dev, &state->base);
drm_atomic_helper_unprepare_planes(dev, state);
void drm_atomic_helper_unprepare_planes(struct drm_device *dev,