1488 	u32 ring_space;  in get_ring_space()  local
1491 		ring_space = dinfo->ring.size -  in get_ring_space()
1494 		ring_space = dinfo->ring_head - dinfo->ring_tail;  in get_ring_space()
1496 	if (ring_space > RING_MIN_FREE)  in get_ring_space()
1497 		ring_space -= RING_MIN_FREE;  in get_ring_space()
1499 		ring_space = 0;  in get_ring_space()
1501 	return ring_space;  in get_ring_space()
1515 	while (dinfo->ring_space < n) {  in wait_ring()
1517 		dinfo->ring_space = get_ring_space(dinfo);  in wait_ring()
1534 					dinfo->ring_space, n);  in wait_ring()
1570 	dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE;  in intelfbhw_do_sync()
1581 	dinfo->ring_space = get_ring_space(dinfo);  in refresh_ring()
1697 		dinfo->ring_tail, dinfo->ring_space);  in intelfbhw_do_fillrect()