68 	if (dev_priv->ring.space < n*4) 		\
70 	dev_priv->ring.space -= n*4;			\
71 	outring = dev_priv->ring.tail;			\
72 	ringmask = dev_priv->ring.tail_mask;		\
73 	virt = dev_priv->ring.virtual_start;		\
78 	dev_priv->ring.tail = outring;				\
306 	   	if(dev_priv->ring.virtual_start) {  in i810_dma_cleanup()
307 		   	drm_ioremapfree((void *) dev_priv->ring.virtual_start,  in i810_dma_cleanup()
308 					dev_priv->ring.Size, dev);  in i810_dma_cleanup()
331    	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);  in i810_wait_ring()  local
337    	while (ring->space < n) {  in i810_wait_ring()
340 	   	ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i810_wait_ring()
341 	   	ring->space = ring->head - (ring->tail+8);  in i810_wait_ring()
342 		if (ring->space < 0) ring->space += ring->Size;  in i810_wait_ring()
344 		if (ring->head != last_head)  in i810_wait_ring()
349 		   	DRM_ERROR("space: %d wanted %d\n", ring->space, n);  in i810_wait_ring()
364    	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);  in i810_kernel_lost_context()  local
366    	ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i810_kernel_lost_context()
367      	ring->tail = I810_READ(LP_RING + RING_TAIL);  in i810_kernel_lost_context()
368      	ring->space = ring->head - (ring->tail+8);  in i810_kernel_lost_context()
369      	if (ring->space < 0) ring->space += ring->Size;  in i810_kernel_lost_context()
427    	dev_priv->ring.Start = init->ring_start;  in i810_dma_initialize()
428    	dev_priv->ring.End = init->ring_end;  in i810_dma_initialize()
429    	dev_priv->ring.Size = init->ring_size;  in i810_dma_initialize()
431    	dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base +   in i810_dma_initialize()
435    	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;  in i810_dma_initialize()
437    	if (dev_priv->ring.virtual_start == NULL) {  in i810_dma_initialize()