From 9eb0ab15b1ab09cd6a4e8666b6f488fad1dc36b4 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 12 Feb 2015 17:05:52 +0000 Subject: [PATCH] test/present: Look for MSC wraparound Signed-off-by: Chris Wilson --- test/present-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/test/present-test.c b/test/present-test.c index aefed73a..ec8db6b3 100644 --- a/test/present-test.c +++ b/test/present-test.c @@ -165,7 +165,7 @@ static uint64_t check_msc(Display *dpy, Window win, void *q, uint64_t last_msc, free(ev); } while (!complete); - if (msc < last_msc) { + if ((int64_t)(msc - last_msc) < 0) { printf("Invalid MSC: was %llu, now %llu\n", (long long)last_msc, (long long)msc); }