[Unit]
Description=Monitor Auto-hotplug
ReloadPropagatedFrom=sys-devices-pci0000:00-0000:00:02.0-drm-card0.device

[Service]
Type=oneshot
ExecStart=xrandr --output DP-1 --auto --left-of eDP-1
ExecReload=xrandr --output DP-1 --auto --left-of eDP-1
RemainAfterExit=true

[Install]
WantedBy=default.target