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| author | Christian König <christian.koenig@amd.com> | 2019-04-15 15:46:34 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2019-04-16 15:49:10 +0300 |
| commit | 5e498abf14858945f1249d9cc4ff1e8715a307e3 (patch) | |
| tree | d8c599a61c51f700fd5dd9ae5d5492ce64e38b45 /drivers/dma-buf | |
| parent | 4dff47c7607a7ceb9916fec179dc88e7b90f3b7c (diff) | |
| download | linux-5e498abf14858945f1249d9cc4ff1e8715a307e3.tar.xz | |
dma-buf: explicitely note that dma-fence-chains use 64bit seqno
Instead of checking the upper values of the sequence number use an explicit
field in the dma_fence_ops structure to note if a sequence should be 32bit
or 64bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/299655/
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-fence-chain.c | 3 | ||||
| -rw-r--r-- | drivers/dma-buf/sw_sync.c | 2 | ||||
| -rw-r--r-- | drivers/dma-buf/sync_file.c | 3 |
3 files changed, 5 insertions, 3 deletions
diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c index c729f98a7bd3..93c42078cb57 100644 --- a/drivers/dma-buf/dma-fence-chain.c +++ b/drivers/dma-buf/dma-fence-chain.c @@ -193,6 +193,7 @@ static void dma_fence_chain_release(struct dma_fence *fence) } const struct dma_fence_ops dma_fence_chain_ops = { + .use_64bit_seqno = true, .get_driver_name = dma_fence_chain_get_driver_name, .get_timeline_name = dma_fence_chain_get_timeline_name, .enable_signaling = dma_fence_chain_enable_signaling, @@ -225,7 +226,7 @@ void dma_fence_chain_init(struct dma_fence_chain *chain, init_irq_work(&chain->work, dma_fence_chain_irq_work); /* Try to reuse the context of the previous chain node. */ - if (prev_chain && __dma_fence_is_later(seqno, prev->seqno)) { + if (prev_chain && __dma_fence_is_later(seqno, prev->seqno, prev->ops)) { context = prev->context; chain->prev_seqno = prev->seqno; } else { diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 32dcf7b4c935..119b2ffbc2c9 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -161,7 +161,7 @@ static bool timeline_fence_signaled(struct dma_fence *fence) { struct sync_timeline *parent = dma_fence_parent(fence); - return !__dma_fence_is_later(fence->seqno, parent->value); + return !__dma_fence_is_later(fence->seqno, parent->value, fence->ops); } static bool timeline_fence_enable_signaling(struct dma_fence *fence) diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 4f6305ca52c8..ed3fb6e5224c 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -258,7 +258,8 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a, i_b++; } else { - if (__dma_fence_is_later(pt_a->seqno, pt_b->seqno)) + if (__dma_fence_is_later(pt_a->seqno, pt_b->seqno, + pt_a->ops)) add_fence(fences, &i, pt_a); else add_fence(fences, &i, pt_b); |