C++ (Cpp) nv84_fence_read Examples

Example #1

File: nv84_fence.c Project: AlexShiLucky/linux

int
nv84_fence_context_new(struct nouveau_channel *chan)
{
	struct nouveau_cli *cli = (void *)chan->user.client;
	struct nv84_fence_priv *priv = chan->drm->fence;
	struct nv84_fence_chan *fctx;
	int ret;

	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
	if (!fctx)
		return -ENOMEM;

	nouveau_fence_context_new(chan, &fctx->base);
	fctx->base.emit = nv84_fence_emit;
	fctx->base.sync = nv84_fence_sync;
	fctx->base.read = nv84_fence_read;
	fctx->base.emit32 = nv84_fence_emit32;
	fctx->base.sync32 = nv84_fence_sync32;
	fctx->base.sequence = nv84_fence_read(chan);

	mutex_lock(&priv->mutex);
	ret = nouveau_vma_new(priv->bo, &cli->vmm, &fctx->vma);
	mutex_unlock(&priv->mutex);

	if (ret)
		nv84_fence_context_del(chan);
	return ret;
}

Example #2

File: nv84_fence.c Project: 020gzh/linux

int
nv84_fence_context_new(struct nouveau_channel *chan)
{
	struct nouveau_cli *cli = (void *)chan->user.client;
	struct nv84_fence_priv *priv = chan->drm->fence;
	struct nv84_fence_chan *fctx;
	int ret, i;

	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
	if (!fctx)
		return -ENOMEM;

	nouveau_fence_context_new(chan, &fctx->base);
	fctx->base.emit = nv84_fence_emit;
	fctx->base.sync = nv84_fence_sync;
	fctx->base.read = nv84_fence_read;
	fctx->base.emit32 = nv84_fence_emit32;
	fctx->base.sync32 = nv84_fence_sync32;
	fctx->base.sequence = nv84_fence_read(chan);

	ret = nouveau_bo_vma_add(priv->bo, cli->vm, &fctx->vma);
	if (ret == 0) {
		ret = nouveau_bo_vma_add(priv->bo_gart, cli->vm,
					&fctx->vma_gart);
	}

	/* map display semaphore buffers into channel's vm */
	for (i = 0; !ret && i < chan->drm->dev->mode_config.num_crtc; i++) {
		struct nouveau_bo *bo = nv50_display_crtc_sema(chan->drm->dev, i);
		ret = nouveau_bo_vma_add(bo, cli->vm, &fctx->dispc_vma[i]);
	}

	if (ret)
		nv84_fence_context_del(chan);
	return ret;
}