Lines Matching full:fence
42 nouveau_fctx(struct nouveau_fence *fence)
44 return container_of(fence->base.lock, struct nouveau_fence_chan, lock);
48 nouveau_fence_signal(struct nouveau_fence *fence)
52 dma_fence_signal_locked(&fence->base);
53 list_del(&fence->head);
54 rcu_assign_pointer(fence->channel, NULL);
56 if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {
57 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
63 dma_fence_put(&fence->base);
68 nouveau_local_fence(struct dma_fence *fence, struct nouveau_drm *drm)
70 if (fence->ops != &nouveau_fence_ops_legacy &&
71 fence->ops != &nouveau_fence_ops_uevent)
74 return to_nouveau_fence(fence);
80 struct nouveau_fence *fence, *tmp;
84 list_for_each_entry_safe(fence, tmp, &fctx->pending, head) {
85 if (error && !dma_fence_is_signaled_locked(&fence->base))
86 dma_fence_set_error(&fence->base, error);
88 if (nouveau_fence_signal(fence))
104 * Ensure that all accesses to fence->channel complete before freeing
125 struct nouveau_fence *fence, *tmp;
129 list_for_each_entry_safe(fence, tmp, &fctx->pending, head) {
130 if ((int)(seq - fence->base.seqno) < 0)
133 if (nouveau_fence_signal(fence))
147 struct nouveau_fence *fence;
151 fence = list_first_entry_or_null(&fctx->pending, typeof(*fence), head);
152 if (fence) {
153 chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
172 struct nouveau_fence_priv *priv = (void*)drm->fence;
207 nouveau_fence_emit(struct nouveau_fence *fence)
209 struct nouveau_channel *chan = unrcu_pointer(fence->channel);
210 struct nouveau_fence_chan *fctx = chan->fence;
211 struct nouveau_fence_priv *priv = (void*)chan->cli->drm->fence;
214 fence->timeout = jiffies + (15 * HZ);
217 dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,
220 dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,
224 ret = fctx->emit(fence);
226 dma_fence_get(&fence->base);
231 dma_fence_put(&fence->base);
236 list_add_tail(&fence->head, &fctx->pending);
244 nouveau_fence_cancel(struct nouveau_fence *fence)
246 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
250 if (!dma_fence_is_signaled_locked(&fence->base)) {
251 dma_fence_set_error(&fence->base, -ECANCELED);
252 if (nouveau_fence_signal(fence))
259 nouveau_fence_done(struct nouveau_fence *fence)
261 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
265 if (dma_fence_is_signaled(&fence->base))
269 chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
274 return dma_fence_is_signaled(&fence->base);
280 struct nouveau_fence *fence = to_nouveau_fence(f);
284 while (!nouveau_fence_done(fence)) {
313 nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr)
317 while (!nouveau_fence_done(fence)) {
318 if (time_after_eq(jiffies, fence->timeout)) {
338 nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)
343 return nouveau_fence_wait_busy(fence, intr);
345 ret = dma_fence_wait_timeout(&fence->base, intr, 15 * HZ);
358 struct nouveau_fence_chan *fctx = chan->fence;
371 struct dma_fence *fence;
375 fence) {
383 f = nouveau_local_fence(fence, chan->cli->drm);
400 ret = dma_fence_wait(fence, intr);
421 struct nouveau_fence *fence;
423 if (unlikely(!chan->fence))
426 fence = kzalloc(sizeof(*fence), GFP_KERNEL);
427 if (!fence)
430 fence->channel = chan;
432 *pfence = fence;
453 static const char *nouveau_fence_get_get_driver_name(struct dma_fence *fence)
460 struct nouveau_fence *fence = to_nouveau_fence(f);
461 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
470 * the fence context.
474 struct nouveau_fence *fence = to_nouveau_fence(f);
475 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
480 chan = rcu_dereference(fence->channel);
482 ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;
490 struct nouveau_fence *fence = to_nouveau_fence(f);
493 * caller should have a reference on the fence,
494 * else fence could get freed here
496 WARN_ON(kref_read(&fence->base.refcount) <= 1);
504 list_del(&fence->head);
506 dma_fence_put(&fence->base);
515 struct nouveau_fence *fence = to_nouveau_fence(f);
516 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
519 dma_fence_free(&fence->base);
533 struct nouveau_fence *fence = to_nouveau_fence(f);
534 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
542 set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);