Lines Matching refs:fence
44 from_fence(struct dma_fence *fence)
46 return container_of(fence, struct nouveau_fence, base);
50 nouveau_fctx(struct nouveau_fence *fence)
52 return container_of(fence->base.lock, struct nouveau_fence_chan, lock);
56 nouveau_fence_signal(struct nouveau_fence *fence)
60 dma_fence_signal_locked(&fence->base);
61 list_del(&fence->head);
62 rcu_assign_pointer(fence->channel, NULL);
64 if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {
65 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
71 dma_fence_put(&fence->base);
76 nouveau_local_fence(struct dma_fence *fence, struct nouveau_drm *drm)
78 if (fence->ops != &nouveau_fence_ops_legacy &&
79 fence->ops != &nouveau_fence_ops_uevent)
82 if (fence->context < drm->chan.context_base ||
83 fence->context >= drm->chan.context_base + drm->chan.nr)
86 return from_fence(fence);
92 struct nouveau_fence *fence;
96 fence = list_entry(fctx->pending.next, typeof(*fence), head);
99 dma_fence_set_error(&fence->base, error);
101 if (nouveau_fence_signal(fence))
115 * Ensure that all accesses to fence->channel complete before freeing
136 struct nouveau_fence *fence;
141 fence = list_entry(fctx->pending.next, typeof(*fence), head);
143 if ((int)(seq - fence->base.seqno) < 0)
146 drop |= nouveau_fence_signal(fence);
162 struct nouveau_fence *fence;
165 fence = list_entry(fctx->pending.next, typeof(*fence), head);
166 chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
178 struct nouveau_fence_priv *priv = (void*)chan->drm->fence;
210 nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan)
212 struct nouveau_fence_chan *fctx = chan->fence;
213 struct nouveau_fence_priv *priv = (void*)chan->drm->fence;
216 fence->channel = chan;
217 fence->timeout = jiffies + (15 * HZ);
220 dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,
223 dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,
227 trace_dma_fence_emit(&fence->base);
228 ret = fctx->emit(fence);
230 dma_fence_get(&fence->base);
236 list_add_tail(&fence->head, &fctx->pending);
244 nouveau_fence_done(struct nouveau_fence *fence)
246 if (fence->base.ops == &nouveau_fence_ops_legacy ||
247 fence->base.ops == &nouveau_fence_ops_uevent) {
248 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
252 if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
256 chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
261 return dma_fence_is_signaled(&fence->base);
267 struct nouveau_fence *fence = from_fence(f);
271 while (!nouveau_fence_done(fence)) {
300 nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr)
304 while (!nouveau_fence_done(fence)) {
305 if (time_after_eq(jiffies, fence->timeout)) {
325 nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)
330 return nouveau_fence_wait_busy(fence, intr);
332 ret = dma_fence_wait_timeout(&fence->base, intr, 15 * HZ);
344 struct nouveau_fence_chan *fctx = chan->fence;
345 struct dma_fence *fence;
359 fence = dma_resv_get_excl(resv);
361 if (fence && (!exclusive || !fobj || !fobj->shared_count)) {
365 f = nouveau_local_fence(fence, chan->drm);
375 ret = dma_fence_wait(fence, intr);
387 fence = rcu_dereference_protected(fobj->shared[i],
390 f = nouveau_local_fence(fence, chan->drm);
400 ret = dma_fence_wait(fence, intr);
418 struct nouveau_fence *fence;
421 if (unlikely(!chan->fence))
424 fence = kzalloc(sizeof(*fence), GFP_KERNEL);
425 if (!fence)
428 ret = nouveau_fence_emit(fence, chan);
430 nouveau_fence_unref(&fence);
432 *pfence = fence;
436 static const char *nouveau_fence_get_get_driver_name(struct dma_fence *fence)
443 struct nouveau_fence *fence = from_fence(f);
444 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
453 * the fence context.
457 struct nouveau_fence *fence = from_fence(f);
458 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
463 chan = rcu_dereference(fence->channel);
465 ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;
473 struct nouveau_fence *fence = from_fence(f);
476 * caller should have a reference on the fence,
477 * else fence could get freed here
479 WARN_ON(kref_read(&fence->base.refcount) <= 1);
487 list_del(&fence->head);
489 dma_fence_put(&fence->base);
498 struct nouveau_fence *fence = from_fence(f);
499 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
502 dma_fence_free(&fence->base);
516 struct nouveau_fence *fence = from_fence(f);
517 struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
525 set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);