From: Erik Gilling <konkers@android.com>
Date: Thu, 11 Oct 2012 01:08:11 +0000 (-0700)
Subject: sync: dump sync state of fence errors
X-Git-Tag: firefly_0821_release~7557
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=98bcb1d21f7cd4a626a7be789ffa1fb51627905d;p=firefly-linux-kernel-4.4.55.git

sync: dump sync state of fence errors

Change-Id: I297a43aadf83504993040ea875c7f22d988628f1
Signed-off-by: Erik Gilling <konkers@android.com>
---

diff --git a/drivers/base/sync.c b/drivers/base/sync.c
index c086f653f615..82c317ab28a3 100644
--- a/drivers/base/sync.c
+++ b/drivers/base/sync.c
@@ -571,8 +571,11 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
 	if (err < 0)
 		return err;
 
-	if (fence->status < 0)
+	if (fence->status < 0) {
+		pr_info("fence error %d on [%p]\n", fence->status, fence);
+		sync_dump();
 		return fence->status;
+	}
 
 	if (fence->status == 0) {
 		pr_info("fence timeout on [%p] after %dms\n", fence,