diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-05-03 13:31:38 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-05-03 13:38:39 +0300 |
| commit | 51f170a544bdb06d93316d8ff0814a52daa24a6c (patch) | |
| tree | 658467e218931c8661b37373346ca76029fa4fc5 /drivers/dma-buf | |
| parent | bf3012ada1b2222e770de5c35c1bb16f73b3a01d (diff) | |
| download | linux-51f170a544bdb06d93316d8ff0814a52daa24a6c.tar.xz | |
Revert 190c462d5be19ba622a82f5fd0625087c870a1e6..bf3012ada1b2222e770de5c35c1bb16f73b3a01d"
I shouldn't have pushed this, CI was right - I failed to remove the
BUG_ON(!ops->wait);
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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 | 23 | ||||
| -rw-r--r-- | drivers/dma-buf/sw_sync.c | 1 |
3 files changed, 9 insertions, 16 deletions
diff --git a/drivers/dma-buf/dma-fence-array.c b/drivers/dma-buf/dma-fence-array.c index a8c254497251..dd1edfb27b61 100644 --- a/drivers/dma-buf/dma-fence-array.c +++ b/drivers/dma-buf/dma-fence-array.c @@ -104,6 +104,7 @@ 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 30fcbe415ff4..4edb9fd3cf47 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -158,10 +158,7 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout) return -EINVAL; trace_dma_fence_wait_start(fence); - if (fence->ops->wait) - ret = fence->ops->wait(fence, intr, timeout); - else - ret = dma_fence_default_wait(fence, intr, timeout); + ret = fence->ops->wait(fence, intr, timeout); trace_dma_fence_wait_end(fence); return ret; } @@ -184,13 +181,6 @@ void dma_fence_release(struct kref *kref) } EXPORT_SYMBOL(dma_fence_release); -/** - * dma_fence_free - default release function for &dma_fence. - * @fence: fence to release - * - * This is the default implementation for &dma_fence_ops.release. It calls - * kfree_rcu() on @fence. - */ void dma_fence_free(struct dma_fence *fence) { kfree_rcu(fence, rcu); @@ -506,6 +496,11 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, uint32_t count, for (i = 0; i < count; ++i) { struct dma_fence *fence = fences[i]; + if (fence->ops->wait != dma_fence_default_wait) { + ret = -EINVAL; + goto fence_rm_cb; + } + cb[i].task = current; if (dma_fence_add_callback(fence, &cb[i].base, dma_fence_default_wait_cb)) { @@ -565,7 +560,7 @@ 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 || + BUG_ON(!ops || !ops->wait || !ops->enable_signaling || !ops->get_driver_name || !ops->get_timeline_name); kref_init(&fence->refcount); @@ -577,10 +572,6 @@ dma_fence_init(struct dma_fence *fence, const struct dma_fence_ops *ops, fence->flags = 0UL; fence->error = 0; - if (!ops->enable_signaling) - set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, - &fence->flags); - trace_dma_fence_init(fence); } EXPORT_SYMBOL(dma_fence_init); diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 53c1d6d36a64..3d78ca89a605 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -188,6 +188,7 @@ 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, |