From 37d6604d70c8c594de2817db26356c4c950ac0fd Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 26 Aug 2016 20:22:33 +0200
Subject: x11, wayland: always round up wait times

If wait_us is >0 and <500, the wait time gets rounded down 0,
effectively turning this into busy waiting. Round it up instead.
---
 video/out/x11_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'video/out/x11_common.c')

diff --git a/video/out/x11_common.c b/video/out/x11_common.c
index 1b780598af..8c51329a13 100644
--- a/video/out/x11_common.c
+++ b/video/out/x11_common.c
@@ -1938,7 +1938,7 @@ void vo_x11_wait_events(struct vo *vo, int64_t until_time_us)
         { .fd = x11->wakeup_pipe[0], .events = POLLIN },
     };
     int64_t wait_us = until_time_us - mp_time_us();
-    int timeout_ms = MPCLAMP((wait_us + 500) / 1000, 0, 10000);
+    int timeout_ms = MPCLAMP((wait_us + 999) / 1000, 0, 10000);
 
     poll(fds, 2, timeout_ms);
 
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