From: Christian König <christian.koenig@xxxxxxx> 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 <christian.koenig@xxxxxxx> Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- include/linux/fence.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/fence.h b/include/linux/fence.h index bb52201..5aa95eb 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; } /** -- 2.5.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
