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lucascosti/hdmi-colour-fix.sh

Last active November 15, 2017 09:36
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On my T450s, if my LG external monitor is connected, set RGB to full.
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hdmi-colour-fix.sh
# Colour fix for home monitor. See: https://lucascosti.com/blog/2016/08/monitor-colour-problems-over-hdmi/ and http://losca.blogspot.com.au/2013/11/workaround-for-setting-full-rgb-when.html
# see if there is the LG monitor we are expecting
if edid-decode /sys/class/drm/card0-HDMI-A-1/edid | grep 'Manufacturer: GSM Model 5ab8 Serial Number 137681'; then
xrandr --output HDMI-1 --set "Broadcast RGB" "Full" && xrandr --output DP-1 --set "Broadcast RGB" "Full"
notify-send "LG home monitor detected: I have set RGB to Full"
fi
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