23 	struct msm_ringbuffer *ring;  in msm_ringbuffer_new()  local
28 	ring = kzalloc(sizeof(*ring), GFP_KERNEL);  in msm_ringbuffer_new()
29 	if (!ring) {  in msm_ringbuffer_new()
34 	ring->gpu = gpu;  in msm_ringbuffer_new()
35 	ring->bo = msm_gem_new(gpu->dev, size, MSM_BO_WC);  in msm_ringbuffer_new()
36 	if (IS_ERR(ring->bo)) {  in msm_ringbuffer_new()
37 		ret = PTR_ERR(ring->bo);  in msm_ringbuffer_new()
38 		ring->bo = NULL;  in msm_ringbuffer_new()
42 	ring->start = msm_gem_vaddr_locked(ring->bo);  in msm_ringbuffer_new()
43 	ring->end   = ring->start + (size / 4);  in msm_ringbuffer_new()
44 	ring->cur   = ring->start;  in msm_ringbuffer_new()
46 	ring->size = size;  in msm_ringbuffer_new()
48 	return ring;  in msm_ringbuffer_new()
51 	if (ring)  in msm_ringbuffer_new()
52 		msm_ringbuffer_destroy(ring);  in msm_ringbuffer_new()
56 void msm_ringbuffer_destroy(struct msm_ringbuffer *ring)  in msm_ringbuffer_destroy()  argument
58 	if (ring->bo)  in msm_ringbuffer_destroy()
59 		drm_gem_object_unreference_unlocked(ring->bo);  in msm_ringbuffer_destroy()
60 	kfree(ring);  in msm_ringbuffer_destroy()