Tear Free (VSync)

Forcing tear free on all outputs for the screen using xrandr command.
This only works when supported by the driver. (Only AMD as far as I know)

Manually

Manually this can be done using the following command when the output name is known.

    xrandr --output DisplayPort-0 --set "TearFree" on

Check Display

Use this command to get the "TearFree" status of all outputs.

xrandr --prop | less

Set all Connected Outputs

Get all connected outputs using command line.

xrandr --prop | grep '^[A-Z][A-Za-z]*-[0-9]\sconnected\s' | awk '{print $1}'

Command line to set all at once.

for out in $(xrandr --prop | grep '^[A-Z][A-Za-z]*-[0-9]\sconnected\s' | awk '{print $1}') ; do xrandr --output ${out} --set "TearFree" on ; done

Create a Shell Script

Create you own command and put the following bash script in file tear-free.sh in your own user bin directory.

editor ~/bin/tear-free.sh

Insert the next text to the file.

#!/bin/bash

if [[ -z "$1" ]] ; then
    echo "Usage: $0 <mode>"
    echo "Sets tear free mode on screen outputs."
    echo "Where mode can be 'off', 'on' or 'auto'."
    exit 1
fi

# Set each output of the current screen to the passed mode.
for out in $(xrandr --prop | grep '^[A-Z][A-Za-z]*-[0-9]\sconnected\s' | awk '{print $1}') 
do 
    xrandr --output ${out} --set "TearFree" "${1}" 2> /dev/null
    result=$?
    #echo "xrandr --output ${out} --set \"TearFree\" \"${1}\" => ${result}"
    if [[ $result != 0 ]] ; then 
        echo "Not supported on this device output '${out}' !"
    fi
done