diff options
| author | Christian König <[email protected]> | 2016-02-29 10:53:11 -0500 |
|---|---|---|
| committer | Daniel Vetter <[email protected]> | 2016-03-21 09:26:50 +0100 |
| commit | b47bcb93bbf201e9c5af698945755efeb60c0bc8 (patch) | |
| tree | 896718f2139a30d5b0bcfbf1d185e1fd474c0bd1 | |
| parent | 87e332d56b2c7dc6733f690c9069f4fe75f21c9d (diff) | |
dma-buf/fence: fix fence_is_later v2
A fence is never later than itself. This caused a bunch of overhead for AMDGPU.
v2: simplify check as suggested by Michel.
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Reviewed-by: Gustavo Padovan <[email protected]>
Reviewed-by: Maarten Lankhorst <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sumit Semwal <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
| -rw-r--r-- | include/linux/fence.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fence.h b/include/linux/fence.h index bb522011383b..5aa95eb886f7 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -292,7 +292,7 @@ static inline bool fence_is_later(struct fence *f1, struct fence *f2) if (WARN_ON(f1->context != f2->context)) return false; - return f1->seqno - f2->seqno < INT_MAX; + return (int)(f1->seqno - f2->seqno) > 0; } /** |