dma-buf: add dma_fence_get_stub

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Extract of useful code from the timeline work. This provides a function
to return a stub or dummy fence which is always signaled.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Link: https://patchwork.freedesktop.org/patch/265248/

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Christian König 2018-12-03 13:36:14 +01:00

parent 4fb86404a9

commit 078dec3326

2 changed files with 36 additions and 1 deletions

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36

drivers/dma-buf/dma-fence.c

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1

include/linux/dma-fence.h

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