27 	struct msm_fence_context *fctx;  in msm_fence_context_alloc()  local
29 	fctx = kzalloc(sizeof(*fctx), GFP_KERNEL);  in msm_fence_context_alloc()
30 	if (!fctx)  in msm_fence_context_alloc()
33 	fctx->dev = dev;  in msm_fence_context_alloc()
34 	strncpy(fctx->name, name, sizeof(fctx->name));  in msm_fence_context_alloc()
35 	fctx->context = dma_fence_context_alloc(1);  in msm_fence_context_alloc()
36 	init_waitqueue_head(&fctx->event);  in msm_fence_context_alloc()
37 	spin_lock_init(&fctx->spinlock);  in msm_fence_context_alloc()
39 	return fctx;  in msm_fence_context_alloc()
42 void msm_fence_context_free(struct msm_fence_context *fctx)  in msm_fence_context_free()  argument
44 	kfree(fctx);  in msm_fence_context_free()
47 static inline bool fence_completed(struct msm_fence_context *fctx, uint32_t fence)  in fence_completed()  argument
49 	return (int32_t)(fctx->completed_fence - fence) >= 0;  in fence_completed()
53 int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,  in msm_wait_fence()  argument
58 	if (fence > fctx->last_fence) {  in msm_wait_fence()
60 				fctx->name, fence, fctx->last_fence);  in msm_wait_fence()
66 		ret = fence_completed(fctx, fence) ? 0 : -EBUSY;  in msm_wait_fence()
71 			ret = wait_event_interruptible_timeout(fctx->event,  in msm_wait_fence()
72 				fence_completed(fctx, fence),  in msm_wait_fence()
75 			ret = wait_event_timeout(fctx->event,  in msm_wait_fence()
76 				fence_completed(fctx, fence),  in msm_wait_fence()
81 					fence, fctx->completed_fence);  in msm_wait_fence()
92 void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence)  in msm_update_fence()  argument
94 	spin_lock(&fctx->spinlock);  in msm_update_fence()
95 	fctx->completed_fence = max(fence, fctx->completed_fence);  in msm_update_fence()
96 	spin_unlock(&fctx->spinlock);  in msm_update_fence()
98 	wake_up_all(&fctx->event);  in msm_update_fence()
103 	struct msm_fence_context *fctx;  member
119 	return f->fctx->name;  in msm_fence_get_timeline_name()
130 	return fence_completed(f->fctx, f->base.seqno);  in msm_fence_signaled()
143 msm_fence_alloc(struct msm_fence_context *fctx)  in msm_fence_alloc()  argument
151 	f->fctx = fctx;  in msm_fence_alloc()
153 	dma_fence_init(&f->base, &msm_fence_ops, &fctx->spinlock,  in msm_fence_alloc()
154 		       fctx->context, ++fctx->last_fence);  in msm_fence_alloc()