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dma-buf: Split out dma fence array create into alloc and arm functions

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Useful to preallocate dma fence array and then arm in path of reclaim or
a dma fence.

v2:
 - s/arm/init (Christian)
 - Drop !array warn (Christian)
v3:
 - Fix kernel doc typos (dim)

Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826170144.2492062-2-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2024-08-26 10:01:43 -07:00
parent 20f61c1ead
commit ddc94d0b17
2 changed files with 63 additions and 21 deletions
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6
include/linux/dma-fence-array.h
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@@ -79,6 +79,12 @@ to_dma_fence_array(struct dma_fence *fence)
for (index = 0, fence = dma_fence_array_first(head); fence; \
++(index), fence = dma_fence_array_next(head, index))
struct dma_fence_array *dma_fence_array_alloc(int num_fences);
void dma_fence_array_init(struct dma_fence_array *array,
int num_fences, struct dma_fence **fences,
u64 context, unsigned seqno,
bool signal_on_any);
struct dma_fence_array *dma_fence_array_create(int num_fences,
struct dma_fence **fences,
u64 context, unsigned seqno,