1491 	u32 ring_space;  in get_ring_space()  local
1494 		ring_space = dinfo->ring.size -  in get_ring_space()
1497 		ring_space = dinfo->ring_head - dinfo->ring_tail;  in get_ring_space()
1499 	if (ring_space > RING_MIN_FREE)  in get_ring_space()
1500 		ring_space -= RING_MIN_FREE;  in get_ring_space()
1502 		ring_space = 0;  in get_ring_space()
1504 	return ring_space;  in get_ring_space()
1518 	while (dinfo->ring_space < n) {  in wait_ring()
1520 		dinfo->ring_space = get_ring_space(dinfo);  in wait_ring()
1537 					dinfo->ring_space, n);  in wait_ring()
1573 	dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE;  in intelfbhw_do_sync()
1584 	dinfo->ring_space = get_ring_space(dinfo);  in refresh_ring()
1700 		dinfo->ring_tail, dinfo->ring_space);  in intelfbhw_do_fillrect()