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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-05-03 16:25:52 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-07-03 13:12:57 +0200 |
| commit | 418cc6ca06071e7b7d75c0d525d80a6f49a763d6 (patch) | |
| tree | 12a8b278e184d4b5350248a47ce2f5208ea8a100 /drivers/dma-buf | |
| parent | 070473bcf703366e9acb14e172d5b6563cc07a26 (diff) | |
| download | linux-418cc6ca06071e7b7d75c0d525d80a6f49a763d6.tar.gz linux-418cc6ca06071e7b7d75c0d525d80a6f49a763d6.tar.bz2 linux-418cc6ca06071e7b7d75c0d525d80a6f49a763d6.zip | |
dma-fence: Make ->wait callback optional
Almost everyone uses dma_fence_default_wait.
v2: Also remove the BUG_ON(!ops->wait) (Chris).
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20180503142603.28513-5-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-fence-array.c | 1 | ||||
| -rw-r--r-- | drivers/dma-buf/dma-fence.c | 8 | ||||
| -rw-r--r-- | drivers/dma-buf/sw_sync.c | 1 |
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma-buf/dma-fence-array.c b/drivers/dma-buf/dma-fence-array.c index dd1edfb27b61..a8c254497251 100644 --- a/drivers/dma-buf/dma-fence-array.c +++ b/drivers/dma-buf/dma-fence-array.c @@ -104,7 +104,6 @@ const struct dma_fence_ops dma_fence_array_ops = { .get_timeline_name = dma_fence_array_get_timeline_name, .enable_signaling = dma_fence_array_enable_signaling, .signaled = dma_fence_array_signaled, - .wait = dma_fence_default_wait, .release = dma_fence_array_release, }; EXPORT_SYMBOL(dma_fence_array_ops); diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index ea343f992112..7a92f85a4cec 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -158,7 +158,10 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout) return -EINVAL; trace_dma_fence_wait_start(fence); - ret = fence->ops->wait(fence, intr, timeout); + if (fence->ops->wait) + ret = fence->ops->wait(fence, intr, timeout); + else + ret = dma_fence_default_wait(fence, intr, timeout); trace_dma_fence_wait_end(fence); return ret; } @@ -556,8 +559,7 @@ dma_fence_init(struct dma_fence *fence, const struct dma_fence_ops *ops, spinlock_t *lock, u64 context, unsigned seqno) { BUG_ON(!lock); - BUG_ON(!ops || !ops->wait || - !ops->get_driver_name || !ops->get_timeline_name); + BUG_ON(!ops || !ops->get_driver_name || !ops->get_timeline_name); kref_init(&fence->refcount); fence->ops = ops; diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 3d78ca89a605..53c1d6d36a64 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -188,7 +188,6 @@ static const struct dma_fence_ops timeline_fence_ops = { .get_timeline_name = timeline_fence_get_timeline_name, .enable_signaling = timeline_fence_enable_signaling, .signaled = timeline_fence_signaled, - .wait = dma_fence_default_wait, .release = timeline_fence_release, .fence_value_str = timeline_fence_value_str, .timeline_value_str = timeline_fence_timeline_value_str, |