dma-buf: dma_fence_wait must enable signaling

dma_fence_wait() should always enable signaling even
when the fence is already signaled.

Signed-off-by: Arvind Yadav <Arvind.Yadav@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220914164321.2156-5-Arvind.Yadav@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 645c158b7e01b8c84a1531124fcd5f4c41efabaa..a5fbf1c1e0ea2b96d4cb867c003d3045ae9495db 100644 (file)
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -508,6 +508,8 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout)
 
        __dma_fence_might_wait();
 
+       dma_fence_enable_sw_signaling(fence);
+
        trace_dma_fence_wait_start(fence);
        if (fence->ops->wait)
                ret = fence->ops->wait(fence, intr, timeout);
@@ -771,9 +773,6 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout)
                goto out;
        }
 
-       if (!__dma_fence_enable_signaling(fence))
-               goto out;
-
        if (!timeout) {
                ret = 0;
                goto out;