Cross Reference: /illumos-gate/usr/src/uts/intel/io/drm/i915

Lines Matching defs:ring
46  * the head pointer changes, so that EBUSY only happens if the ring
53 	drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
61 		ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
63 		ring->space = ring->head - (ring->tail + 8);
64 		if (ring->space < 0)
65 			ring->space += ring->Size;
66 		if (ring->space >= n)
69 		if (ring->head != last_head)
75 		last_head = ring->head;
134 	drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
136        ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
137        ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
138 	ring->space = ring->head - (ring->tail + 8);
139 	if (ring->space < 0)
140 		ring->space += ring->Size;
156 	if (dev_priv->ring.virtual_start) {
157 		drm_core_ioremapfree(&dev_priv->ring.map, dev);
158 		dev_priv->ring.virtual_start = 0;
159 		dev_priv->ring.map.handle = 0;
160 		dev_priv->ring.map.size = 0;
193 		if (dev_priv->ring.ring_obj != NULL) {
200 		dev_priv->ring.Size = init->ring_size;
201 		dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
203 		dev_priv->ring.map.offset = (u_offset_t)init->ring_start;
204 		dev_priv->ring.map.size = init->ring_size;
205 		dev_priv->ring.map.type = 0;
206 		dev_priv->ring.map.flags = 0;
207 		dev_priv->ring.map.mtrr = 0;
209 		drm_core_ioremap(&dev_priv->ring.map, dev);
211 		if (dev_priv->ring.map.handle == NULL) {
214 			  " ring buffer\n");
219 	dev_priv->ring.virtual_start = (u8 *)dev_priv->ring.map.dev_addr;
241 	if (dev_priv->ring.map.handle == NULL) {
243 			  " ring buffer\n");
376 	if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) {
616 	ret = i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
622 			   dev_priv->ring.head,
623 			   dev_priv->ring.tail,
624 			   dev_priv->ring.space);