vc4_wait_for_seqno
int vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno,
int ret = vc4_wait_for_seqno(dev, seqno, *timeout_ns, true);
int ret = vc4_wait_for_seqno(dev, seqno, ~0ull, true);