shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-04-02 03:03:00 +09:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
commit 61894b0271 upstream.

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: Chris 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: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-2-chris@chris-wilson.co.uk
[s/dma_fence/fence/g - gregkh]
Cc: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Wilson
2017-06-29 13:59:25 +01:00
committed by Greg Kroah-Hartman
parent b53525eaac
commit fc839ecb8e
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/dma-buf/sw_sync.c
View File

@@ -219,7 +219,7 @@ static bool timeline_fence_signaled(struct fence *fence)
{
struct sync_timeline *parent = fence_parent(fence);
return (fence->seqno > parent->value) ? false : true;
return !__fence_is_later(fence->seqno, parent->value);
}
static bool timeline_fence_enable_signaling(struct fence *fence)