gpu/drm/drm_vblank.c

948 	unsigned int seq;
956 		seq = read_seqbegin(&vblank->seqlock);
959 	} while (read_seqretry(&vblank->seqlock, seq));
1028 		u64 seq, ktime_t now)
1036 		e->event.vbl.sequence = seq;
1046 		if (seq)
1047 			e->event.seq.sequence = seq;
1048 		e->event.seq.time_ns = ktime_to_ns(now);
1051 	trace_drm_vblank_event_delivered(e->base.file_priv, e->pipe, seq);
1129 	u64 seq;
1134 		seq = drm_vblank_count_and_time(dev, pipe, &now);
1136 		seq = 0;
1141 	send_vblank_event(dev, e, seq, now);
1345 	u64 seq;
1378 	seq = drm_vblank_count_and_time(dev, pipe, &now);
1385 			     e->sequence, seq);
1388 		send_vblank_event(dev, e, seq, now);
1580 	u64 seq;
1620 	seq = drm_vblank_count_and_time(dev, pipe, &now);
1623 		     req_seq, seq, pipe);
1628 	if (drm_vblank_passed(seq, req_seq)) {
1630 		send_vblank_event(dev, e, seq, now);
1631 		vblwait->reply.sequence = seq;
1706 	u64 req_seq, seq;
1771 	seq = drm_vblank_count(dev, pipe);
1775 		req_seq = seq + vblwait->request.sequence;
1780 		req_seq = widen_32_to_64(vblwait->request.sequence, seq);
1788 	    drm_vblank_passed(seq, req_seq)) {
1789 		req_seq = seq + 1;
1801 	if (req_seq != seq) {
1847 	u64 seq;
1851 	seq = drm_vblank_count_and_time(dev, pipe, &now);
1856 		if (!drm_vblank_passed(seq, e->sequence))
1860 			     e->sequence, seq);
1864 		send_vblank_event(dev, e, seq, now);
1870 	trace_drm_vblank_event(pipe, seq, now, high_prec);
2037 	u64 seq;
2073 	seq = drm_vblank_count_and_time(dev, pipe, &now);
2077 		req_seq += seq;
2079 	if ((flags & DRM_CRTC_SEQUENCE_NEXT_ON_MISS) && drm_vblank_passed(seq, req_seq))
2080 		req_seq = seq + 1;
2084 	e->event.base.length = sizeof(e->event.seq);
2085 	e->event.seq.user_data = queue_seq->user_data;
2108 	if (drm_vblank_passed(seq, req_seq)) {
2110 		send_vblank_event(dev, e, seq, now);
2111 		queue_seq->sequence = seq;