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dma-buf: use inline lock for the dma-fence-array

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Using the inline lock is now the recommended way for dma_fence
implementations.

So use this approach for the framework's internal fences as well.

Also saves about 4 bytes for the external spinlock.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Philipp Stanner <phasta@kernel.org>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/r/20260219160822.1529-8-christian.koenig@amd.com
This commit is contained in:
Christian König 2025-10-09 16:18:53 +02:00
parent ed0d6a0003
commit 5943243914
2 changed files with 2 additions and 4 deletions
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5
drivers/dma-buf/dma-fence-array.c
View File

@ -204,9 +204,8 @@ void dma_fence_array_init(struct dma_fence_array *array,
array->num_fences = num_fences;
spin_lock_init(&array->lock);
dma_fence_init(&array->base, &dma_fence_array_ops, &array->lock,
context, seqno);
dma_fence_init(&array->base, &dma_fence_array_ops, NULL, context,
seqno);
init_irq_work(&array->work, irq_dma_fence_array_work);
atomic_set(&array->num_pending, signal_on_any ? 1 : num_fences);

1
include/linux/dma-fence-array.h
View File

@ -38,7 +38,6 @@ struct dma_fence_array_cb {
struct dma_fence_array {
struct dma_fence base;
spinlock_t lock;
unsigned num_fences;
atomic_t num_pending;
struct dma_fence **fences;