C++ (Cpp) NOUVEAU_GET_USER_CHANNEL_WITH_RETURN示例

示例#1

文件： nouveau_channel.c 项目： AdrianHuang/uclinux-robutest

static int
nouveau_ioctl_fifo_free(struct drm_device *dev, void *data,
			struct drm_file *file_priv)
{
	struct drm_nouveau_channel_free *cfree = data;
	struct nouveau_channel *chan;

	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
	NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(cfree->channel, file_priv, chan);

	nouveau_channel_free(chan);
	return 0;
}

示例#2

文件： nouveau_gem.c 项目： 12rafael/jellytimekernel

int
nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
		      struct drm_file *file_priv)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct drm_nouveau_gem_new *req = data;
	struct nouveau_bo *nvbo = NULL;
	struct nouveau_channel *chan = NULL;
	uint32_t flags = 0;
	int ret = 0;

	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;

	if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL))
		dev_priv->ttm.bdev.dev_mapping = dev_priv->dev->dev_mapping;

	if (req->channel_hint) {
		NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel_hint,
						     file_priv, chan);
	}

	if (req->info.domain & NOUVEAU_GEM_DOMAIN_VRAM)
		flags |= TTM_PL_FLAG_VRAM;
	if (req->info.domain & NOUVEAU_GEM_DOMAIN_GART)
		flags |= TTM_PL_FLAG_TT;
	if (!flags || req->info.domain & NOUVEAU_GEM_DOMAIN_CPU)
		flags |= TTM_PL_FLAG_SYSTEM;

	if (!nouveau_gem_tile_flags_valid(dev, req->info.tile_flags))
		return -EINVAL;

	ret = nouveau_gem_new(dev, chan, req->info.size, req->align, flags,
			      req->info.tile_mode, req->info.tile_flags, false,
			      (req->info.domain & NOUVEAU_GEM_DOMAIN_MAPPABLE),
			      &nvbo);
	if (ret)
		return ret;

	ret = nouveau_gem_info(nvbo->gem, &req->info);
	if (ret)
		goto out;

	ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
out:
	drm_gem_object_handle_unreference_unlocked(nvbo->gem);

	if (ret)
		drm_gem_object_unreference_unlocked(nvbo->gem);
	return ret;
}

示例#3

文件： nouveau_notifier.c 项目： mhgazz/Android-Eclair-Kernel-Source-v2.6.29.6

int
nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data,
			     struct drm_file *file_priv)
{
	struct drm_nouveau_notifierobj_alloc *na = data;
	struct nouveau_channel *chan;
	int ret;

	NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(na->channel, file_priv, chan);

	ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset);
	if (ret)
		return ret;

	return 0;
}