253 	   	if(dev_priv->ring.virtual_start) {  in i830_dma_cleanup()
254 		   	DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,  in i830_dma_cleanup()
255 					 dev_priv->ring.Size, dev);  in i830_dma_cleanup()
289    	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);  in i830_wait_ring()  local
295    	while (ring->space < n) {	  in i830_wait_ring()
296 	   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i830_wait_ring()
297 	   	ring->space = ring->head - (ring->tail+8);  in i830_wait_ring()
298 		if (ring->space < 0) ring->space += ring->Size;  in i830_wait_ring()
300 		if (ring->head != last_head) {  in i830_wait_ring()
302 			last_head = ring->head;  in i830_wait_ring()
307 		   	DRM_ERROR("space: %d wanted %d\n", ring->space, n);  in i830_wait_ring()
322    	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);  in i830_kernel_lost_context()  local
324    	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i830_kernel_lost_context()
325      	ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;  in i830_kernel_lost_context()
326      	ring->space = ring->head - (ring->tail+8);  in i830_kernel_lost_context()
327      	if (ring->space < 0) ring->space += ring->Size;  in i830_kernel_lost_context()
329 	if (ring->head == ring->tail)  in i830_kernel_lost_context()
404    	dev_priv->ring.Start = init->ring_start;  in i830_dma_initialize()
405    	dev_priv->ring.End = init->ring_end;  in i830_dma_initialize()
406    	dev_priv->ring.Size = init->ring_size;  in i830_dma_initialize()
408    	dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base +   in i830_dma_initialize()
412    	if (dev_priv->ring.virtual_start == NULL) {  in i830_dma_initialize()
420    	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;  in i830_dma_initialize()
1264 	i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );  in i830_dma_quiescent()
1281 	i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );  in i830_flush_queue()