45 from_fence(struct dma_fence *fence)  in from_fence()  argument
47 	return container_of(fence, struct nouveau_fence, base);  in from_fence()
51 nouveau_fctx(struct nouveau_fence *fence)  in nouveau_fctx()  argument
53 	return container_of(fence->base.lock, struct nouveau_fence_chan, lock);  in nouveau_fctx()
57 nouveau_fence_signal(struct nouveau_fence *fence)  in nouveau_fence_signal()  argument
61 	dma_fence_signal_locked(&fence->base);  in nouveau_fence_signal()
62 	list_del(&fence->head);  in nouveau_fence_signal()
63 	rcu_assign_pointer(fence->channel, NULL);  in nouveau_fence_signal()
65 	if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {  in nouveau_fence_signal()
66 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_signal()
72 	dma_fence_put(&fence->base);  in nouveau_fence_signal()
77 nouveau_local_fence(struct dma_fence *fence, struct nouveau_drm *drm)  in nouveau_local_fence()  argument
79 	if (fence->ops != &nouveau_fence_ops_legacy &&  in nouveau_local_fence()
80 	    fence->ops != &nouveau_fence_ops_uevent)  in nouveau_local_fence()
83 	if (fence->context < drm->chan.context_base ||  in nouveau_local_fence()
84 	    fence->context >= drm->chan.context_base + drm->chan.nr)  in nouveau_local_fence()
87 	return from_fence(fence);  in nouveau_local_fence()
93 	struct nouveau_fence *fence;  in nouveau_fence_context_del()  local
97 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_context_del()
99 		if (nouveau_fence_signal(fence))  in nouveau_fence_context_del()
129 	struct nouveau_fence *fence;  in nouveau_fence_update()  local
134 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_update()
136 		if ((int)(seq - fence->base.seqno) < 0)  in nouveau_fence_update()
139 		drop |= nouveau_fence_signal(fence);  in nouveau_fence_update()
155 		struct nouveau_fence *fence;  in nouveau_fence_wait_uevent_handler()  local
158 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_wait_uevent_handler()
159 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_wait_uevent_handler()
160 		if (nouveau_fence_update(fence->channel, fctx))  in nouveau_fence_wait_uevent_handler()
171 	struct nouveau_fence_priv *priv = (void*)chan->drm->fence;  in nouveau_fence_context_new()
202 nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan)  in nouveau_fence_emit()  argument
204 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_emit()
205 	struct nouveau_fence_priv *priv = (void*)chan->drm->fence;  in nouveau_fence_emit()
208 	fence->channel  = chan;  in nouveau_fence_emit()
209 	fence->timeout  = jiffies + (15 * HZ);  in nouveau_fence_emit()
212 		dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,  in nouveau_fence_emit()
215 		dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,  in nouveau_fence_emit()
219 	trace_dma_fence_emit(&fence->base);  in nouveau_fence_emit()
220 	ret = fctx->emit(fence);  in nouveau_fence_emit()
222 		dma_fence_get(&fence->base);  in nouveau_fence_emit()
228 		list_add_tail(&fence->head, &fctx->pending);  in nouveau_fence_emit()
236 nouveau_fence_done(struct nouveau_fence *fence)  in nouveau_fence_done()  argument
238 	if (fence->base.ops == &nouveau_fence_ops_legacy ||  in nouveau_fence_done()
239 	    fence->base.ops == &nouveau_fence_ops_uevent) {  in nouveau_fence_done()
240 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_done()
244 		if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))  in nouveau_fence_done()
248 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_done()
253 	return dma_fence_is_signaled(&fence->base);  in nouveau_fence_done()
259 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_wait_legacy()  local
263 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_legacy()
292 nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr)  in nouveau_fence_wait_busy()  argument
296 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_busy()
297 		if (time_after_eq(jiffies, fence->timeout)) {  in nouveau_fence_wait_busy()
317 nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)  in nouveau_fence_wait()  argument
322 		return nouveau_fence_wait_busy(fence, intr);  in nouveau_fence_wait()
324 	ret = dma_fence_wait_timeout(&fence->base, intr, 15 * HZ);  in nouveau_fence_wait()
336 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_sync()
337 	struct dma_fence *fence;  in nouveau_fence_sync()  local
351 	fence = reservation_object_get_excl(resv);  in nouveau_fence_sync()
353 	if (fence && (!exclusive || !fobj || !fobj->shared_count)) {  in nouveau_fence_sync()
357 		f = nouveau_local_fence(fence, chan->drm);  in nouveau_fence_sync()
367 			ret = dma_fence_wait(fence, intr);  in nouveau_fence_sync()
379 		fence = rcu_dereference_protected(fobj->shared[i],  in nouveau_fence_sync()
382 		f = nouveau_local_fence(fence, chan->drm);  in nouveau_fence_sync()
392 			ret = dma_fence_wait(fence, intr);  in nouveau_fence_sync()
410 	struct nouveau_fence *fence;  in nouveau_fence_new()  local
413 	if (unlikely(!chan->fence))  in nouveau_fence_new()
416 	fence = kzalloc(sizeof(*fence), GFP_KERNEL);  in nouveau_fence_new()
417 	if (!fence)  in nouveau_fence_new()
420 	ret = nouveau_fence_emit(fence, chan);  in nouveau_fence_new()
422 		nouveau_fence_unref(&fence);  in nouveau_fence_new()
424 	*pfence = fence;  in nouveau_fence_new()
428 static const char *nouveau_fence_get_get_driver_name(struct dma_fence *fence)  in nouveau_fence_get_get_driver_name()  argument
435 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_get_timeline_name()  local
436 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_get_timeline_name()
449 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_is_signaled()  local
450 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_is_signaled()
455 	chan = rcu_dereference(fence->channel);  in nouveau_fence_is_signaled()
457 		ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;  in nouveau_fence_is_signaled()
465 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_no_signaling()  local
471 	WARN_ON(kref_read(&fence->base.refcount) <= 1);  in nouveau_fence_no_signaling()
479 		list_del(&fence->head);  in nouveau_fence_no_signaling()
481 		dma_fence_put(&fence->base);  in nouveau_fence_no_signaling()
490 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_release()  local
491 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_release()
494 	dma_fence_free(&fence->base);  in nouveau_fence_release()
508 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_enable_signaling()  local
509 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_enable_signaling()
517 		set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);  in nouveau_fence_enable_signaling()