C++ (Cpp) msm_ringbuffer_destroy Examples

Example #1

File: msm_ringbuffer.c Project: 03199618/linux

struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int size)
{
	struct msm_ringbuffer *ring;
	int ret;

	size = ALIGN(size, 4);   /* size should be dword aligned */

	ring = kzalloc(sizeof(*ring), GFP_KERNEL);
	if (!ring) {
		ret = -ENOMEM;
		goto fail;
	}

	ring->gpu = gpu;
	ring->bo = msm_gem_new(gpu->dev, size, MSM_BO_WC);
	if (IS_ERR(ring->bo)) {
		ret = PTR_ERR(ring->bo);
		ring->bo = NULL;
		goto fail;
	}

	ring->start = msm_gem_vaddr_locked(ring->bo);
	ring->end   = ring->start + (size / 4);
	ring->cur   = ring->start;

	ring->size = size;

	return ring;

fail:
	if (ring)
		msm_ringbuffer_destroy(ring);
	return ERR_PTR(ret);
}

Example #2

File: msm_gpu.c Project: AnadoluPanteri/kernel-plus-harmattan

void msm_gpu_cleanup(struct msm_gpu *gpu)
{
	DBG("%s", gpu->name);

	WARN_ON(!list_empty(&gpu->active_list));

	bs_fini(gpu);

	if (gpu->rb) {
		if (gpu->rb_iova)
			msm_gem_put_iova(gpu->rb->bo, gpu->id);
		msm_ringbuffer_destroy(gpu->rb);
	}

	if (gpu->iommu)
		iommu_domain_free(gpu->iommu);
}

Example #3

File: msm_ringbuffer.c Project: mdamt/linux

struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int size)
{
	struct msm_ringbuffer *ring;
	int ret;

	if (WARN_ON(!is_power_of_2(size)))
		return ERR_PTR(-EINVAL);

	ring = kzalloc(sizeof(*ring), GFP_KERNEL);
	if (!ring) {
		ret = -ENOMEM;
		goto fail;
	}

	ring->gpu = gpu;
	ring->bo = msm_gem_new(gpu->dev, size, MSM_BO_WC);
	if (IS_ERR(ring->bo)) {
		ret = PTR_ERR(ring->bo);
		ring->bo = NULL;
		goto fail;
	}

	ring->start = msm_gem_get_vaddr(ring->bo);
	if (IS_ERR(ring->start)) {
		ret = PTR_ERR(ring->start);
		goto fail;
	}
	ring->end   = ring->start + (size / 4);
	ring->cur   = ring->start;

	ring->size = size;

	return ring;

fail:
	if (ring)
		msm_ringbuffer_destroy(ring);
	return ERR_PTR(ret);
}