Commit 61894b02 authored by Chris Wilson's avatar Chris Wilson Committed by Gustavo Padovan

dma-buf/sw-sync: Fix the is-signaled test to handle u32 wraparound

Use the canonical __dma_fence_is_later() to compare the fence seqno
against the timeline seqno to check if the fence is signaled.
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: default avatarSean Paul <seanpaul@chromium.org>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-2-chris@chris-wilson.co.uk
parent 81114776
...@@ -219,7 +219,7 @@ static bool timeline_fence_signaled(struct dma_fence *fence) ...@@ -219,7 +219,7 @@ static bool timeline_fence_signaled(struct dma_fence *fence)
{ {
struct sync_timeline *parent = dma_fence_parent(fence); struct sync_timeline *parent = dma_fence_parent(fence);
return (fence->seqno > parent->value) ? false : true; return !__dma_fence_is_later(fence->seqno, parent->value);
} }
static bool timeline_fence_enable_signaling(struct dma_fence *fence) static bool timeline_fence_enable_signaling(struct dma_fence *fence)
......
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