{ config, lib, ... }: with lib; let cfg = config.modules.displayManager; in { config = mkIf (cfg.displayManager == "sddm") { services.displayManager.sddm = { enable = true; wayland.enable = true; settings = { General.DisplayServer = "wayland"; }; }; # To prevent getting stuck at shutdown systemd.extraConfig = "DefaultTimeoutStopSec=10s"; }; }