[PATCH v4 4/6] dma-buf: dma_fence_wait must enable signaling

Arvind Yadav
2022-09-14T16:45:32Z

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

Signed-off-by: Arvind Yadav <Arvind.Yadav@amd.com>
---

Changes in v1..v3: This new patch was not part of previous series.

---

drivers/dma-buf/dma-fence.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 645c158b7e01..a5fbf1c1e0ea 100644
--- 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;
--
2.25.1