778 	*dev_priv->ring.head = cur_read_ptr;  in radeon_do_cp_reset()
779 	dev_priv->ring.tail = cur_read_ptr;  in radeon_do_cp_reset()
891 	*dev_priv->ring.head = cur_read_ptr;  in radeon_cp_init_ring_buffer()
892 	dev_priv->ring.tail = cur_read_ptr;  in radeon_cp_init_ring_buffer()
922 			     dev_priv->ring.head +  in radeon_cp_init_ring_buffer()
959 	RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT );  in radeon_cp_init_ring_buffer()
961 	RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw );  in radeon_cp_init_ring_buffer()
1195 	dev_priv->ring.head = ((__volatile__ u32 *)  in radeon_do_init_cp()
1198 	dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle;  in radeon_do_init_cp()
1199 	dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle  in radeon_do_init_cp()
1201 	dev_priv->ring.size = init->ring_size;  in radeon_do_init_cp()
1202 	dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 );  in radeon_do_init_cp()
1204 	dev_priv->ring.tail_mask =  in radeon_do_init_cp()
1205 		(dev_priv->ring.size / sizeof(u32)) - 1;  in radeon_do_init_cp()
1207 	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;  in radeon_do_init_cp()
1558 	drm_radeon_ring_buffer_t *ring = &dev_priv->ring;  in radeon_wait_ring()  local
1560 	u32 last_head = GET_RING_HEAD(ring);  in radeon_wait_ring()
1563 		u32 head = GET_RING_HEAD(ring);  in radeon_wait_ring()
1565 		ring->space = (head - ring->tail) * sizeof(u32);  in radeon_wait_ring()
1566 		if ( ring->space <= 0 )  in radeon_wait_ring()
1567 			ring->space += ring->size;  in radeon_wait_ring()
1568 		if ( ring->space > n )  in radeon_wait_ring()