[X2Go-Commits] [live-build-x2go] 22/26: improved code to fix blank screen happening with DisplayPort and some buggy TFTs (xset q reports "Monitor is on" even though it is pitch black) - third attempt plus typofix

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x2go pushed a commit to branch feature/openbox-stretch
in repository live-build-x2go.

commit 56dbf0a844c6dba8d58ef15cabb60592f40aa3bc
Author: Stefan Baur (BAUR-ITCS) <kontakt at baur-itcs.de>
Date:   Tue Jan 16 07:53:26 2018 +0100

    improved code to fix blank screen happening with DisplayPort and some buggy TFTs (xset q reports "Monitor is on" even though it is pitch black) - third attempt plus typofix
---
 config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig b/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
index aa95cf0..5286d03 100755
--- a/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
+++ b/config/includes.chroot/lib/live/config/2900-x2go-thinclientconfig
@@ -103,9 +103,11 @@ echo -en "\n\$(date +'%F | %T | ')'\$0' spawned OpenBox." | tee -a /dev/tty8
 
 # code to fix blank screen happening with DisplayPort and some buggy TFTs (xset q reports "Monitor is on" even though it is pitch black)
 if grep -q '\W*blankdpmsfix\W*' /proc/cmdline; then
-	CURRENTRES=\$(xrandr | awk '$0 ~/\*/ { print \$1}') # determine current resolution
+	CURRENTRES=\$(xrandr | awk '\$0 ~/\*/ { print \$1}') # determine current resolution
 	xrandr -s 640x480 # set low resolution to trigger TFT wakeup
-	xrandr -s \$CURRENTRES # restore original resolution
+	while ! [ "\$(xrandr | awk '\$0 ~/\*/ { print \$1}')" = "\$CURRENTRES" ] ; do
+        	xrandr -s \$CURRENTRES # restore original resolution
+	done
 fi
 
 # set screen background to X2Go default blue on all detected screens

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