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| author |   Christian König <christian.koenig@amd.com> | 2022-01-20 11:42:40 +0100 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-02-08 09:25:16 +0100 |
| commit | 18f5fad275efef015226ee4f90eae34d8f44aa5e (patch) | |
| tree | c8ed7d50c0814c29f1c3abb82054b92a4bf3bcf7 /drivers/dma-buf/dma-fence-chain.c | |
| parent | dma-buf: warn about containers in dma_resv object (diff) | |
| download | linux-18f5fad275efef015226ee4f90eae34d8f44aa5e.tar.xz linux-18f5fad275efef015226ee4f90eae34d8f44aa5e.zip | |
dma-buf: add dma_fence_chain_contained helper
It's a reoccurring pattern that we need to extract the fence
from a dma_fence_chain object. Add a helper for this.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220204100429.2049-6-christian.koenig@amd.com
Diffstat (limited to 'drivers/dma-buf/dma-fence-chain.c')
| -rw-r--r-- | drivers/dma-buf/dma-fence-chain.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c index 084c6927b735..06f8ef97c6e8 100644 --- a/drivers/dma-buf/dma-fence-chain.c +++ b/drivers/dma-buf/dma-fence-chain.c @@ -148,8 +148,7 @@ static bool dma_fence_chain_enable_signaling(struct dma_fence *fence) dma_fence_get(&head->base); dma_fence_chain_for_each(fence, &head->base) { - struct dma_fence_chain *chain = to_dma_fence_chain(fence); - struct dma_fence *f = chain ? chain->fence : fence; + struct dma_fence *f = dma_fence_chain_contained(fence); dma_fence_get(f); if (!dma_fence_add_callback(f, &head->cb, dma_fence_chain_cb)) { @@ -165,8 +164,7 @@ static bool dma_fence_chain_enable_signaling(struct dma_fence *fence) static bool dma_fence_chain_signaled(struct dma_fence *fence) { dma_fence_chain_for_each(fence, fence) { - struct dma_fence_chain *chain = to_dma_fence_chain(fence); - struct dma_fence *f = chain ? chain->fence : fence; + struct dma_fence *f = dma_fence_chain_contained(fence); if (!dma_fence_is_signaled(f)) { dma_fence_put(fence); |