void-packages/srcpkgs/lxdm/files/lxdm.service

[Unit]
Description=LXDE Display Manager
Requires=dev-tty7.device
After=dev-tty7.device systemd-user-sessions.service

[Service]
ExecStart=/usr/sbin/lxdm-binary
Restart=always

[Install]
WantedBy=graphical.target