drm_writeback_cleanup_job
drm_writeback_cleanup_job(writeback_job);
drm_writeback_cleanup_job(state->writeback_job);
drm_writeback_cleanup_job(pos);
EXPORT_SYMBOL(drm_writeback_cleanup_job);
drm_writeback_cleanup_job(job);
void drm_writeback_cleanup_job(struct drm_writeback_job *job);