44 from_fence(struct dma_fence *fence)  in from_fence()  argument
46 	return container_of(fence, struct nouveau_fence, base);  in from_fence()
50 nouveau_fctx(struct nouveau_fence *fence)  in nouveau_fctx()  argument
52 	return container_of(fence->base.lock, struct nouveau_fence_chan, lock);  in nouveau_fctx()
56 nouveau_fence_signal(struct nouveau_fence *fence)  in nouveau_fence_signal()  argument
60 	dma_fence_signal_locked(&fence->base);  in nouveau_fence_signal()
61 	list_del(&fence->head);  in nouveau_fence_signal()
62 	rcu_assign_pointer(fence->channel, NULL);  in nouveau_fence_signal()
64 	if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {  in nouveau_fence_signal()
65 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_signal()
71 	dma_fence_put(&fence->base);  in nouveau_fence_signal()
76 nouveau_local_fence(struct dma_fence *fence, struct nouveau_drm *drm)  in nouveau_local_fence()  argument
78 	if (fence->ops != &nouveau_fence_ops_legacy &&  in nouveau_local_fence()
79 	    fence->ops != &nouveau_fence_ops_uevent)  in nouveau_local_fence()
82 	if (fence->context < drm->chan.context_base ||  in nouveau_local_fence()
83 	    fence->context >= drm->chan.context_base + drm->chan.nr)  in nouveau_local_fence()
86 	return from_fence(fence);  in nouveau_local_fence()
92 	struct nouveau_fence *fence;  in nouveau_fence_context_kill()  local
96 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_context_kill()
99 			dma_fence_set_error(&fence->base, error);  in nouveau_fence_context_kill()
101 		if (nouveau_fence_signal(fence))  in nouveau_fence_context_kill()
136 	struct nouveau_fence *fence;  in nouveau_fence_update()  local
141 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_update()
143 		if ((int)(seq - fence->base.seqno) < 0)  in nouveau_fence_update()
146 		drop |= nouveau_fence_signal(fence);  in nouveau_fence_update()
162 		struct nouveau_fence *fence;  in nouveau_fence_wait_uevent_handler()  local
165 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_wait_uevent_handler()
166 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_wait_uevent_handler()
178 	struct nouveau_fence_priv *priv = (void*)chan->drm->fence;  in nouveau_fence_context_new()
210 nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan)  in nouveau_fence_emit()  argument
212 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_emit()
213 	struct nouveau_fence_priv *priv = (void*)chan->drm->fence;  in nouveau_fence_emit()
216 	fence->channel  = chan;  in nouveau_fence_emit()
217 	fence->timeout  = jiffies + (15 * HZ);  in nouveau_fence_emit()
220 		dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,  in nouveau_fence_emit()
223 		dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,  in nouveau_fence_emit()
227 	ret = fctx->emit(fence);  in nouveau_fence_emit()
229 		dma_fence_get(&fence->base);  in nouveau_fence_emit()
235 		list_add_tail(&fence->head, &fctx->pending);  in nouveau_fence_emit()
243 nouveau_fence_done(struct nouveau_fence *fence)  in nouveau_fence_done()  argument
245 	if (fence->base.ops == &nouveau_fence_ops_legacy ||  in nouveau_fence_done()
246 	    fence->base.ops == &nouveau_fence_ops_uevent) {  in nouveau_fence_done()
247 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_done()
251 		if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))  in nouveau_fence_done()
255 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_done()
260 	return dma_fence_is_signaled(&fence->base);  in nouveau_fence_done()
266 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_wait_legacy()  local
270 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_legacy()
299 nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr)  in nouveau_fence_wait_busy()  argument
303 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_busy()
304 		if (time_after_eq(jiffies, fence->timeout)) {  in nouveau_fence_wait_busy()
324 nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)  in nouveau_fence_wait()  argument
329 		return nouveau_fence_wait_busy(fence, intr);  in nouveau_fence_wait()
331 	ret = dma_fence_wait_timeout(&fence->base, intr, 15 * HZ);  in nouveau_fence_wait()
344 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_sync()
357 		struct dma_fence *fence;  in nouveau_fence_sync()  local
361 					fence) {  in nouveau_fence_sync()
369 			f = nouveau_local_fence(fence, chan->drm);  in nouveau_fence_sync()
384 			ret = dma_fence_wait(fence, intr);  in nouveau_fence_sync()
405 	struct nouveau_fence *fence;  in nouveau_fence_new()  local
408 	if (unlikely(!chan->fence))  in nouveau_fence_new()
411 	fence = kzalloc(sizeof(*fence), GFP_KERNEL);  in nouveau_fence_new()
412 	if (!fence)  in nouveau_fence_new()
415 	ret = nouveau_fence_emit(fence, chan);  in nouveau_fence_new()
417 		nouveau_fence_unref(&fence);  in nouveau_fence_new()
419 	*pfence = fence;  in nouveau_fence_new()
423 static const char *nouveau_fence_get_get_driver_name(struct dma_fence *fence)  in nouveau_fence_get_get_driver_name()  argument
430 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_get_timeline_name()  local
431 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_get_timeline_name()
444 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_is_signaled()  local
445 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_is_signaled()
450 	chan = rcu_dereference(fence->channel);  in nouveau_fence_is_signaled()
452 		ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;  in nouveau_fence_is_signaled()
460 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_no_signaling()  local
466 	WARN_ON(kref_read(&fence->base.refcount) <= 1);  in nouveau_fence_no_signaling()
474 		list_del(&fence->head);  in nouveau_fence_no_signaling()
476 		dma_fence_put(&fence->base);  in nouveau_fence_no_signaling()
485 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_release()  local
486 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_release()
489 	dma_fence_free(&fence->base);  in nouveau_fence_release()
503 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_enable_signaling()  local
504 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_enable_signaling()
512 		set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);  in nouveau_fence_enable_signaling()