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| author | Christian König <christian.koenig@amd.com> | 2022-03-11 10:27:53 +0100 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-03-25 14:18:28 +0100 |
| commit | 64a8f92fd783e750cdb81af75942dcd53bbf61bd (patch) | |
| tree | cbddd8445aae570b7a0cca7fd66c4c9245fcdd34 /Documentation/driver-api/dma-buf.rst | |
| parent | caaf2ae712b7cc3c7717898fe267dbf882a502ef (diff) | |
| download | linux-64a8f92fd783e750cdb81af75942dcd53bbf61bd.tar.gz linux-64a8f92fd783e750cdb81af75942dcd53bbf61bd.tar.bz2 linux-64a8f92fd783e750cdb81af75942dcd53bbf61bd.zip | |
dma-buf: add dma_fence_unwrap v2
Add a general purpose helper to deep dive into dma_fence_chain/dma_fence_array
structures and iterate over all the fences in them.
This is useful when we need to flatten out all fences in those structures.
v2: some selftests cleanup, improved function naming and documentation
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311110244.1245-1-christian.koenig@amd.com
Diffstat (limited to 'Documentation/driver-api/dma-buf.rst')
| -rw-r--r-- | Documentation/driver-api/dma-buf.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 55006678394a..36a76cbe9095 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -185,6 +185,12 @@ DMA Fence Chain .. kernel-doc:: include/linux/dma-fence-chain.h :internal: +DMA Fence unwrap +~~~~~~~~~~~~~~~~ + +.. kernel-doc:: include/linux/dma-fence-unwrap.h + :internal: + DMA Fence uABI/Sync File ~~~~~~~~~~~~~~~~~~~~~~~~ |