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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Lucas Stach <l.stach@pengutronix.de>
Subject: [PATCH 4.19 180/205] drm/etnaviv: fix bogus fence complete check in timeout handler
Date:   Mon, 19 Nov 2018 17:28:07 +0100
Message-Id: <20181119162641.178596387@linuxfoundation.org>
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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lucas Stach <l.stach@pengutronix.de>

commit 6fce3a406108ee6c8a61e2a33e52e9198a626ea0 upstream.

The GPU hardware fences and the job out-fences are on different timelines
so it's wrong to compare them. Fix this by only looking at the out-fence.

Cc: <stable@vger.kernel.org>
Fixes: 2c83a726d6fb (drm/etnaviv: bring back progress check in job
                     timeout handler)
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/etnaviv/etnaviv_sched.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -93,7 +93,7 @@ static void etnaviv_sched_timedout_job(s
 	 * If the GPU managed to complete this jobs fence, the timout is
 	 * spurious. Bail out.
 	 */
-	if (fence_completed(gpu, submit->out_fence->seqno))
+	if (dma_fence_is_signaled(submit->out_fence))
 		return;
 
 	/*