From 282d6506bfef93098dd9e2ad3f65e81a230fe1bf Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fran=C3=A7ois=20Tigeot?= <ftigeot@wolfpond.org>
Date: Sat, 14 Jan 2017 10:34:35 +0100
Subject: [PATCH] drm/linux: Add local_clock()

---
 sys/dev/drm/include/linux/sched.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sys/dev/drm/include/linux/sched.h b/sys/dev/drm/include/linux/sched.h
index 0e2c7b3571..074d9109b6 100644
--- a/sys/dev/drm/include/linux/sched.h
+++ b/sys/dev/drm/include/linux/sched.h
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2015 François Tigeot
+ * Copyright (c) 2015-2017 François Tigeot
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,6 +33,8 @@
 #include <sys/sched.h>
 #include <sys/signal2.h>
 
+#include <linux/time.h>
+
 #define	TASK_RUNNING		0
 #define	TASK_INTERRUPTIBLE	1
 #define	TASK_UNINTERRUPTIBLE	2
@@ -60,4 +62,16 @@ schedule_timeout(signed long timeout)
 
 #define signal_pending(lp)	CURSIG(lp)
 
+/*
+ * local_clock: fast time source, monotonic on the same cpu
+ */
+static inline uint64_t
+local_clock(void)
+{
+	struct timespec ts;
+
+	getnanouptime(&ts);
+	return (ts.tv_sec * NSEC_PER_SEC) + ts.tv_nsec;
+}
+
 #endif	/* _LINUX_SCHED_H_ */
-- 
2.11.4.GIT