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dma-buf: return index of the first signaled fence (v2)

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Return the index of the first signaled fence.  This information
is useful in some APIs like Vulkan.

v2: rebase on drm-next (fence -> dma_fence)

Signed-off-by: monk.liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
 [sumits: fix warnings]
Link: http://patchwork.freedesktop.org/patch/msgid/1478290570-30982-1-git-send-email-alexander.deucher@amd.com
This commit is contained in:
monk.liu
2016-11-04 16:16:09 -04:00
committed by Sumit Semwal
parent c5ec903d8e
commit 7392b4bb70
2 changed files with 18 additions and 6 deletions
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3
include/linux/dma-fence.h
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@@ -382,7 +382,8 @@ signed long dma_fence_wait_timeout(struct dma_fence *,
bool intr, signed long timeout);
signed long dma_fence_wait_any_timeout(struct dma_fence **fences,
uint32_t count,
bool intr, signed long timeout);
bool intr, signed long timeout,
uint32_t *idx);
/**
* dma_fence_wait - sleep until the fence gets signaled