Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/dev/videomode Clarify vrefresh comment (no functional ch...
details: https://anonhg.NetBSD.org/src/rev/98347f023e70
branches: trunk
changeset: 763487:98347f023e70
user: jdc <jdc%NetBSD.org@localhost>
date: Mon Mar 21 19:32:26 2011 +0000
description:
Clarify vrefresh comment (no functional change)
diffstat:
sys/dev/videomode/modelines2c.awk | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diffs (22 lines):
diff -r 5848f667ebab -r 98347f023e70 sys/dev/videomode/modelines2c.awk
--- a/sys/dev/videomode/modelines2c.awk Mon Mar 21 19:29:54 2011 +0000
+++ b/sys/dev/videomode/modelines2c.awk Mon Mar 21 19:32:26 2011 +0000
@@ -1,5 +1,5 @@
#! /usr/bin/awk -f
-# $NetBSD: modelines2c.awk,v 1.4 2006/10/26 23:19:50 bjh21 Exp $
+# $NetBSD: modelines2c.awk,v 1.5 2011/03/21 19:32:26 jdc Exp $
#
# Copyright (c) 2006 Itronix Inc.
# All rights reserved.
@@ -104,8 +104,9 @@
ifactor = 2.0;
}
- # why the additional .1 to vrefresh? well it seems that awk likes to
- # make some "rounding errors", and this will compensate
+ # We truncate the vrefresh figure, but some mode descriptions rely
+ # on rounding, so we can't win here. Adding an additional .1
+ # compensates to some extent.
hrefresh= (dotclock * 1000000) / htotal;
vrefresh= int(((hrefresh * ifactor) / vtotal) + .1);
Home |
Main Index |
Thread Index |
Old Index