From: Christian König <christian.koenig@xxxxxxx> This reverts commit 847b19a39e4c9b5e74c40f0842c48b41664cb43c. When we don't call the wait function software signaling might never be activated. This can cause infinite polling loops with unreliable interrupt driven hardware. Signed-off-by: Christian König <christian.koenig@xxxxxxx> Reviewed-by: Chunming Zhou <david1.zhou@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/dma-buf/fence.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c index fb915ab..64478f9 100644 --- a/drivers/dma-buf/fence.c +++ b/drivers/dma-buf/fence.c @@ -159,9 +159,6 @@ fence_wait_timeout(struct fence *fence, bool intr, signed long timeout) if (WARN_ON(timeout < 0)) return -EINVAL; - if (timeout == 0) - return fence_is_signaled(fence); - trace_fence_wait_start(fence); ret = fence->ops->wait(fence, intr, timeout); trace_fence_wait_end(fence); -- 2.5.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
