treewide: rename renamed sddm/displayManager settings

2024-02-27 21:28:05 +01:00 · 2024-02-27 21:28:05 +01:00 · 476b8c276e
commit 476b8c276e
parent 5598d81e94
71 changed files with 201 additions and 211 deletions
--- a/nixos/doc/manual/configuration/modularity.section.md
+++ b/nixos/doc/manual/configuration/modularity.section.md
@ -27,7 +27,7 @@ Here, we include two modules from the same directory, `vpn.nix` and
 { config, pkgs, ... }:

 { services.xserver.enable = true;
-  services.xserver.displayManager.sddm.enable = true;
+  services.displayManager.sddm.enable = true;
  services.xserver.desktopManager.plasma5.enable = true;
  environment.systemPackages = [ pkgs.vim ];
 }
--- a/nixos/doc/manual/configuration/profiles/demo.section.md
+++ b/nixos/doc/manual/configuration/profiles/demo.section.md
@ -1,4 +1,4 @@
 # Demo {#sec-profile-demo}

 This profile just enables a `demo` user, with password `demo`, uid `1000`, `wheel` group and
-[autologin in the SDDM display manager](#opt-services.xserver.displayManager.autoLogin).
+[autologin in the SDDM display manager](#opt-services.displayManager.autoLogin).
--- a/nixos/doc/manual/configuration/profiles/graphical.section.md
+++ b/nixos/doc/manual/configuration/profiles/graphical.section.md
@ -4,7 +4,7 @@ Defines a NixOS configuration with the Plasma 5 desktop. It's used by the
 graphical installation CD.

 It sets [](#opt-services.xserver.enable),
-[](#opt-services.xserver.displayManager.sddm.enable),
+[](#opt-services.displayManager.sddm.enable),
 [](#opt-services.xserver.desktopManager.plasma5.enable),
 and [](#opt-services.xserver.libinput.enable) to true. It also
 includes glxinfo and firefox in the system packages list.
--- a/nixos/doc/manual/configuration/x-windows.chapter.md
+++ b/nixos/doc/manual/configuration/x-windows.chapter.md
@ -45,7 +45,7 @@ alternative one by picking one of the following lines:

 ```nix
 {
-  services.xserver.displayManager.sddm.enable = true;
+  services.displayManager.sddm.enable = true;
  services.xserver.displayManager.gdm.enable = true;
 }
 ```
@ -99,7 +99,7 @@ your window manager, you'd define:

 ```nix
 {
-  services.xserver.displayManager.defaultSession = "none+i3";
+  services.displayManager.defaultSession = "none+i3";
 }
 ```

@ -109,8 +109,8 @@ using lightdm for a user `alice`:
 ```nix
 {
  services.xserver.displayManager.lightdm.enable = true;
-  services.xserver.displayManager.autoLogin.enable = true;
-  services.xserver.displayManager.autoLogin.user = "alice";
+  services.displayManager.autoLogin.enable = true;
+  services.displayManager.autoLogin.user = "alice";
 }
 ```

--- a/nixos/doc/manual/configuration/xfce.chapter.md
+++ b/nixos/doc/manual/configuration/xfce.chapter.md
@ -5,7 +5,7 @@ To enable the Xfce Desktop Environment, set
 ```nix
 {
  services.xserver.desktopManager.xfce.enable = true;
-  services.xserver.displayManager.defaultSession = "xfce";
+  services.displayManager.defaultSession = "xfce";
 }
 ```

--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
@ -35,20 +35,19 @@
    QT_QPA_PLATFORM = "$([[ $XDG_SESSION_TYPE = \"wayland\" ]] && echo \"wayland\")";
  };

-  services.xserver.displayManager = {
-    gdm = {
-      enable = true;
-      # autoSuspend makes the machine automatically suspend after inactivity.
-      # It's possible someone could/try to ssh'd into the machine and obviously
-      # have issues because it's inactive.
-      # See:
-      # * https://github.com/NixOS/nixpkgs/pull/63790
-      # * https://gitlab.gnome.org/GNOME/gnome-control-center/issues/22
-      autoSuspend = false;
-    };
-    autoLogin = {
-      enable = true;
-      user = "nixos";
-    };
+  services.xserver.displayManager.gdm = {
+    enable = true;
+    # autoSuspend makes the machine automatically suspend after inactivity.
+    # It's possible someone could/try to ssh'd into the machine and obviously
+    # have issues because it's inactive.
+    # See:
+    # * https://github.com/NixOS/nixpkgs/pull/63790
+    # * https://gitlab.gnome.org/GNOME/gnome-control-center/issues/22
+    autoSuspend = false;
+  };
+
+  services.displayManager.autoLogin = {
+    enable = true;
+    user = "nixos";
  };
 }
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma5.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma5.nix
@ -8,18 +8,16 @@

  isoImage.edition = "plasma5";

-  services.xserver = {
-    desktopManager.plasma5 = {
-      enable = true;
-    };
+  services.xserver.desktopManager.plasma5 = {
+    enable = true;
+  };

-    # Automatically login as nixos.
-    displayManager = {
-      sddm.enable = true;
-      autoLogin = {
-        enable = true;
-        user = "nixos";
-      };
+  # Automatically login as nixos.
+  services.displayManager = {
+    sddm.enable = true;
+    autoLogin = {
+      enable = true;
+      user = "nixos";
    };
  };

--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma6.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma6.nix
@ -7,16 +7,14 @@

  isoImage.edition = "plasma6";

-  services.xserver = {
-    desktopManager.plasma6.enable = true;
+  services.desktopManager.plasma6.enable = true;

-    # Automatically login as nixos.
-    displayManager = {
-      sddm.enable = true;
-      autoLogin = {
-        enable = true;
-        user = "nixos";
-      };
+  # Automatically login as nixos.
+  services.displayManager = {
+    sddm.enable = true;
+    autoLogin = {
+      enable = true;
+      user = "nixos";
    };
  };

--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
@ -16,21 +16,19 @@
    enable = true;
  };

-  services.xserver.displayManager = {
-    gdm = {
-      enable = true;
-      # autoSuspend makes the machine automatically suspend after inactivity.
-      # It's possible someone could/try to ssh'd into the machine and obviously
-      # have issues because it's inactive.
-      # See:
-      # * https://github.com/NixOS/nixpkgs/pull/63790
-      # * https://gitlab.gnome.org/GNOME/gnome-control-center/issues/22
-      autoSuspend = false;
-    };
-    autoLogin = {
-      enable = true;
-      user = "nixos";
-    };
+  services.xserver.displayManager.gdm = {
+    enable = true;
+    # autoSuspend makes the machine automatically suspend after inactivity.
+    # It's possible someone could/try to ssh'd into the machine and obviously
+    # have issues because it's inactive.
+    # See:
+    # * https://github.com/NixOS/nixpkgs/pull/63790
+    # * https://gitlab.gnome.org/GNOME/gnome-control-center/issues/22
+    autoSuspend = false;
  };

+  services.displayManager.autoLogin = {
+    enable = true;
+    user = "nixos";
+  };
 }
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-plasma5.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-plasma5.nix
@ -8,18 +8,16 @@

  isoImage.edition = "plasma5";

-  services.xserver = {
-    desktopManager.plasma5 = {
-      enable = true;
-    };
+  services.xserver.desktopManager.plasma5 = {
+    enable = true;
+  };

-    # Automatically login as nixos.
-    displayManager = {
-      sddm.enable = true;
-      autoLogin = {
-        enable = true;
-        user = "nixos";
-      };
+  # Automatically login as nixos.
+  services.displayManager = {
+    sddm.enable = true;
+    autoLogin = {
+      enable = true;
+      user = "nixos";
    };
  };

--- a/nixos/modules/installer/virtualbox-demo.nix
+++ b/nixos/modules/installer/virtualbox-demo.nix
@ -40,7 +40,7 @@ with lib;
  # If you prefer another desktop manager or display manager, you may want
  # to disable the default.
  # services.xserver.desktopManager.plasma5.enable = lib.mkForce false;
-  # services.xserver.displayManager.sddm.enable = lib.mkForce false;
+  # services.displayManager.sddm.enable = lib.mkForce false;

  # Enable GDM/GNOME by uncommenting above two lines and two lines below.
  # services.xserver.displayManager.gdm.enable = true;
--- a/nixos/modules/programs/miriway.nix
+++ b/nixos/modules/programs/miriway.nix
@ -71,7 +71,7 @@ in {
    programs.xwayland.enable = lib.mkDefault true;

    # To make the Miriway session available if a display manager like SDDM is enabled:
-    services.xserver.displayManager.sessionPackages = [ pkgs.miriway ];
+    services.displayManager.sessionPackages = [ pkgs.miriway ];
  };

  meta.maintainers = with lib.maintainers; [ OPNA2608 ];
--- a/nixos/modules/programs/steam.nix
+++ b/nixos/modules/programs/steam.nix
@ -161,7 +161,7 @@ in {
    };

    programs.gamescope.enable = mkDefault cfg.gamescopeSession.enable;
-    services.xserver.displayManager.sessionPackages = mkIf cfg.gamescopeSession.enable [ gamescopeSessionFile ];
+    services.displayManager.sessionPackages = mkIf cfg.gamescopeSession.enable [ gamescopeSessionFile ];

    # optionally enable 32bit pulseaudio support if pulseaudio is enabled
    hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
--- a/nixos/modules/programs/wayland/cardboard.nix
+++ b/nixos/modules/programs/wayland/cardboard.nix
@ -17,7 +17,7 @@ in
      environment.systemPackages = [ cfg.package ];

      # To make a cardboard session available for certain DMs like SDDM
-      services.xserver.displayManager.sessionPackages = [ cfg.package ];
+      services.displayManager.sessionPackages = [ cfg.package ];
    }
    (import ./wayland-session.nix { inherit lib pkgs; })
  ]);
--- a/nixos/modules/programs/wayland/hyprland.nix
+++ b/nixos/modules/programs/wayland/hyprland.nix
@ -66,7 +66,7 @@ in

    security.polkit.enable = true;

-    services.xserver.displayManager.sessionPackages = [ cfg.finalPackage ];
+    services.displayManager.sessionPackages = [ cfg.finalPackage ];

    xdg.portal = {
      enable = mkDefault true;
--- a/nixos/modules/programs/wayland/labwc.nix
+++ b/nixos/modules/programs/wayland/labwc.nix
@ -18,7 +18,7 @@ in
      xdg.portal.config.wlroots.default = lib.mkDefault [ "wlr" "gtk" ];

      # To make a labwc session available for certain DMs like SDDM
-      services.xserver.displayManager.sessionPackages = [ cfg.package ];
+      services.displayManager.sessionPackages = [ cfg.package ];
    }
    (import ./wayland-session.nix { inherit lib pkgs; })
  ]);
--- a/nixos/modules/programs/wayland/river.nix
+++ b/nixos/modules/programs/wayland/river.nix
@ -47,7 +47,7 @@ in {
        environment.systemPackages = optional (cfg.package != null) cfg.package ++ cfg.extraPackages;

        # To make a river session available if a display manager like SDDM is enabled:
-        services.xserver.displayManager.sessionPackages = optionals (cfg.package != null) [ cfg.package ];
+        services.displayManager.sessionPackages = optionals (cfg.package != null) [ cfg.package ];

        # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050913
        xdg.portal.config.river.default = mkDefault [ "wlr" "gtk" ];
--- a/nixos/modules/programs/wayland/sway.nix
+++ b/nixos/modules/programs/wayland/sway.nix
@ -174,7 +174,7 @@ in {
        xdg.portal.config.sway.default = mkDefault [ "wlr" "gtk" ];

        # To make a Sway session available if a display manager like SDDM is enabled:
-        services.xserver.displayManager.sessionPackages = optionals (cfg.package != null) [ cfg.package ]; }
+        services.displayManager.sessionPackages = optionals (cfg.package != null) [ cfg.package ]; }
      (import ./wayland-session.nix { inherit lib pkgs; })
    ]);

--- a/nixos/modules/programs/wayland/wayfire.nix
+++ b/nixos/modules/programs/wayland/wayfire.nix
@ -38,7 +38,7 @@ in
      finalPackage
    ];

-    services.xserver.displayManager.sessionPackages = [ finalPackage ];
+    services.displayManager.sessionPackages = [ finalPackage ];

    xdg.portal = {
      enable = lib.mkDefault true;
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@ -93,7 +93,7 @@ in
      The services.xserver.displayManager.auto module has been removed
      because it was only intended for use in internal NixOS tests, and gave the
      false impression of it being a special display manager when it's actually
-      LightDM. Please use the services.xserver.displayManager.autoLogin options
+      LightDM. Please use the services.displayManager.autoLogin options
      instead, or any other display manager in NixOS as they all support auto-login.
    '')
    (mkRemovedOptionModule [ "services" "xserver" "multitouch" ] ''
--- a/nixos/modules/services/desktop-managers/plasma6.nix
+++ b/nixos/modules/services/desktop-managers/plasma6.nix
@ -246,11 +246,11 @@ in {
    xdg.portal.configPackages = mkDefault [kdePackages.xdg-desktop-portal-kde];
    services.pipewire.enable = mkDefault true;

-    services.xserver.displayManager = {
+    services.displayManager = {
      sessionPackages = [kdePackages.plasma-workspace];
      defaultSession = mkDefault "plasma";
    };
-    services.xserver.displayManager.sddm = {
+    services.displayManager.sddm = {
      package = kdePackages.sddm;
      theme = mkDefault "breeze";
      wayland.compositor = "kwin";
--- a/nixos/modules/services/display-managers/default.nix
+++ b/nixos/modules/services/display-managers/default.nix
@ -121,7 +121,7 @@ in
          check = d:
            lib.assertMsg (d != null -> (lib.types.str.check d && lib.elem d config.services.displayManager.sessionData.sessionNames)) ''
                Default graphical session, '${d}', not found.
-                Valid names for 'services.xserver.displayManager.defaultSession' are:
+                Valid names for 'services.displayManager.defaultSession' are:
                  ${lib.concatStringsSep "\n  " cfg.displayManager.sessionData.sessionNames}
              '';
        };
@ -226,7 +226,7 @@ in
    systemd.services.display-manager.enable =
      let dmConf = config.services.xserver.displayManager;
          noDmUsed = !(dmConf.gdm.enable
-                    || dmConf.sddm.enable
+                    || cfg.sddm.enable
                    || dmConf.xpra.enable
                    || dmConf.lightdm.enable);
      in lib.mkIf noDmUsed (lib.mkDefault false);
--- a/nixos/modules/services/display-managers/sddm.nix
+++ b/nixos/modules/services/display-managers/sddm.nix
@ -2,7 +2,7 @@

 let
  xcfg = config.services.xserver;
-  dmcfg = xcfg.displayManager;
+  dmcfg = config.services.displayManager;
  cfg = config.services.displayManager.sddm;
  xEnv = config.systemd.services.display-manager.environment;

@ -21,12 +21,12 @@ let

  xserverWrapper = pkgs.writeShellScript "xserver-wrapper" ''
    ${concatMapStrings (n: "export ${n}=\"${getAttr n xEnv}\"\n") (attrNames xEnv)}
-    exec systemd-cat -t xserver-wrapper ${dmcfg.xserverBin} ${toString dmcfg.xserverArgs} "$@"
+    exec systemd-cat -t xserver-wrapper ${xcfg.displayManager.xserverBin} ${toString xcfg.displayManager.xserverArgs} "$@"
  '';

  Xsetup = pkgs.writeShellScript "Xsetup" ''
    ${cfg.setupScript}
-    ${dmcfg.setupCommands}
+    ${xcfg.displayManager.setupCommands}
  '';

  Xstop = pkgs.writeShellScript "Xstop" ''
@ -40,7 +40,7 @@ let
      Numlock = if cfg.autoNumlock then "on" else "none"; # on, off none

      # Implementation is done via pkgs/applications/display-managers/sddm/sddm-default-session.patch
-      DefaultSession = optionalString (dmcfg.defaultSession != null) "${dmcfg.defaultSession}.desktop";
+      DefaultSession = optionalString (config.services.displayManager.defaultSession != null) "${config.services.displayManager.defaultSession}.desktop";

      DisplayServer = if cfg.wayland.enable then "wayland" else "x11";
    } // optionalAttrs (cfg.wayland.compositor == "kwin") {
@ -283,13 +283,13 @@ in
      {
        assertion = xcfg.enable || cfg.wayland.enable;
        message = ''
-          SDDM requires either services.xserver.enable or services.xserver.displayManager.sddm.wayland.enable to be true
+          SDDM requires either services.xserver.enable or services.displayManager.sddm.wayland.enable to be true
        '';
      }
      {
-        assertion = dmcfg.autoLogin.enable -> autoLoginSessionName != null;
+        assertion = config.services.displayManager.autoLogin.enable -> autoLoginSessionName != null;
        message = ''
-          SDDM auto-login requires that services.xserver.displayManager.defaultSession is set.
+          SDDM auto-login requires that services.displayManager.defaultSession is set.
        '';
      }
    ];
--- a/nixos/modules/services/system/nix-daemon.nix
+++ b/nixos/modules/services/system/nix-daemon.nix
@ -247,7 +247,7 @@ in

    users.users = nixbldUsers;

-    services.xserver.displayManager.hiddenUsers = attrNames nixbldUsers;
+    services.displayManager.hiddenUsers = attrNames nixbldUsers;

    # Legacy configuration conversion.
    nix.settings = mkMerge [
--- a/nixos/modules/services/x11/desktop-managers/budgie.nix
+++ b/nixos/modules/services/x11/desktop-managers/budgie.nix
@ -91,7 +91,7 @@ in {
  };

  config = mkIf cfg.enable {
-    services.xserver.displayManager.sessionPackages = with pkgs; [
+    services.displayManager.sessionPackages = with pkgs; [
      budgie.budgie-desktop
    ];

--- a/nixos/modules/services/x11/desktop-managers/cinnamon.nix
+++ b/nixos/modules/services/x11/desktop-managers/cinnamon.nix
@ -60,7 +60,7 @@ in

  config = mkMerge [
    (mkIf cfg.enable {
-      services.xserver.displayManager.sessionPackages = [ pkgs.cinnamon.cinnamon-common ];
+      services.displayManager.sessionPackages = [ pkgs.cinnamon.cinnamon-common ];

      services.xserver.displayManager.lightdm.greeters.slick = {
        enable = mkDefault true;
--- a/nixos/modules/services/x11/desktop-managers/deepin.nix
+++ b/nixos/modules/services/x11/desktop-managers/deepin.nix
@ -38,8 +38,8 @@ in

  config = mkIf cfg.enable
    {
-      services.xserver.displayManager.sessionPackages = [ pkgs.deepin.dde-session ];
-      services.xserver.displayManager.defaultSession = mkDefault "dde-x11";
+      services.displayManager.sessionPackages = [ pkgs.deepin.dde-session ];
+      services.displayManager.defaultSession = mkDefault "dde-x11";

      # Update the DBus activation environment after launching the desktop manager.
      services.xserver.displayManager.sessionCommands = ''
--- a/nixos/modules/services/x11/desktop-managers/default.nix
+++ b/nixos/modules/services/x11/desktop-managers/default.nix
@ -87,7 +87,7 @@ in
        default = null;
        example = "none";
        description = lib.mdDoc ''
-          **Deprecated**, please use [](#opt-services.xserver.displayManager.defaultSession) instead.
+          **Deprecated**, please use [](#opt-services.displayManager.defaultSession) instead.

          Default desktop manager loaded if none have been chosen.
        '';
--- a/nixos/modules/services/x11/desktop-managers/enlightenment.nix
+++ b/nixos/modules/services/x11/desktop-managers/enlightenment.nix
@ -54,7 +54,7 @@ in
      "/share/locale"
    ];

-    services.xserver.displayManager.sessionPackages = [ pkgs.enlightenment.enlightenment ];
+    services.displayManager.sessionPackages = [ pkgs.enlightenment.enlightenment ];

    services.xserver.displayManager.sessionCommands = ''
      if test "$XDG_CURRENT_DESKTOP" = "Enlightenment"; then
--- a/nixos/modules/services/x11/desktop-managers/gnome.nix
+++ b/nixos/modules/services/x11/desktop-managers/gnome.nix
@ -261,7 +261,7 @@ in
      services.gnome.core-shell.enable = true;
      services.gnome.core-utilities.enable = mkDefault true;

-      services.xserver.displayManager.sessionPackages = [ pkgs.gnome.gnome-session.sessions ];
+      services.displayManager.sessionPackages = [ pkgs.gnome.gnome-session.sessions ];

      environment.extraInit = ''
        ${concatMapStrings (p: ''
@ -285,7 +285,7 @@ in
    })

    (mkIf flashbackEnabled {
-      services.xserver.displayManager.sessionPackages =
+      services.displayManager.sessionPackages =
        let
          wmNames = map (wm: wm.wmName) flashbackWms;
          namesAreUnique = lib.unique wmNames == wmNames;
--- a/nixos/modules/services/x11/desktop-managers/lumina.nix
+++ b/nixos/modules/services/x11/desktop-managers/lumina.nix
@ -27,7 +27,7 @@ in

  config = mkIf cfg.enable {

-    services.xserver.displayManager.sessionPackages = [
+    services.displayManager.sessionPackages = [
      pkgs.lumina.lumina
    ];

--- a/nixos/modules/services/x11/desktop-managers/mate.nix
+++ b/nixos/modules/services/x11/desktop-managers/mate.nix
@ -49,7 +49,7 @@ in

  config = mkMerge [
    (mkIf (cfg.enable || cfg.enableWaylandSession) {
-      services.xserver.displayManager.sessionPackages = [
+      services.displayManager.sessionPackages = [
        pkgs.mate.mate-session-manager
      ];

@ -103,7 +103,7 @@ in
      environment.sessionVariables.NIX_GSETTINGS_OVERRIDES_DIR = "${pkgs.mate.mate-gsettings-overrides}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas";

      environment.systemPackages = [ pkgs.mate.mate-wayland-session ];
-      services.xserver.displayManager.sessionPackages = [ pkgs.mate.mate-wayland-session ];
+      services.displayManager.sessionPackages = [ pkgs.mate.mate-wayland-session ];
    })
  ];
 }
--- a/nixos/modules/services/x11/desktop-managers/pantheon.nix
+++ b/nixos/modules/services/x11/desktop-managers/pantheon.nix
@ -96,7 +96,7 @@ in
        pkgs.pantheon.pantheon-agent-geoclue2
      ] config.environment.pantheon.excludePackages;

-      services.xserver.displayManager.sessionPackages = [ pkgs.pantheon.elementary-session-settings ];
+      services.displayManager.sessionPackages = [ pkgs.pantheon.elementary-session-settings ];

      # Ensure lightdm is used when Pantheon is enabled
      # Without it screen locking will be nonfunctional because of the use of lightlocker
@ -109,7 +109,7 @@ in

      # Without this, elementary LightDM greeter will pre-select non-existent `default` session
      # https://github.com/elementary/greeter/issues/368
-      services.xserver.displayManager.defaultSession = mkDefault "pantheon";
+      services.displayManager.defaultSession = mkDefault "pantheon";

      services.xserver.displayManager.sessionCommands = ''
        if test "$XDG_CURRENT_DESKTOP" = "Pantheon"; then
--- a/nixos/modules/services/x11/desktop-managers/phosh.nix
+++ b/nixos/modules/services/x11/desktop-managers/phosh.nix
@ -220,7 +220,7 @@ in

    services.gnome.core-shell.enable = true;
    services.gnome.core-os-services.enable = true;
-    services.xserver.displayManager.sessionPackages = [ cfg.package ];
+    services.displayManager.sessionPackages = [ cfg.package ];

    environment.etc."phosh/phoc.ini".source =
      if builtins.isPath cfg.phocConfig then cfg.phocConfig
--- a/nixos/modules/services/x11/desktop-managers/plasma5.nix
+++ b/nixos/modules/services/x11/desktop-managers/plasma5.nix
@ -357,7 +357,7 @@ in
        pkgs.media-player-info
      ];

-      services.xserver.displayManager.sddm = {
+      services.displayManager.sddm = {
        theme = mkDefault "breeze";
      };

@ -403,16 +403,16 @@ in
      system.nixos-generate-config.desktopConfiguration = [
        ''
          # Enable the Plasma 5 Desktop Environment.
-          services.xserver.displayManager.sddm.enable = true;
+          services.displayManager.sddm.enable = true;
          services.xserver.desktopManager.plasma5.enable = true;
        ''
      ];

-      services.xserver.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-workspace ];
+      services.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-workspace ];
      # Default to be `plasma` (X11) instead of `plasmawayland`, since plasma wayland currently has
      # many tiny bugs.
      # See: https://github.com/NixOS/nixpkgs/issues/143272
-      services.xserver.displayManager.defaultSession = mkDefault "plasma";
+      services.displayManager.defaultSession = mkDefault "plasma";

      environment.systemPackages =
        with pkgs.plasma5Packages;
@ -538,7 +538,7 @@ in
        };
      };

-      services.xserver.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-mobile ];
+      services.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-mobile ];
    })

    # Plasma Bigscreen
@ -559,7 +559,7 @@ in
          kdeconnect-kde
        ];

-      services.xserver.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-bigscreen ];
+      services.displayManager.sessionPackages = [ pkgs.plasma5Packages.plasma-bigscreen ];

      # required for plasma-remotecontrollers to work correctly
      hardware.uinput.enable = true;
--- a/nixos/modules/services/x11/desktop-managers/surf-display.nix
+++ b/nixos/modules/services/x11/desktop-managers/surf-display.nix
@ -119,7 +119,7 @@ in {
  };

  config = mkIf cfg.enable {
-    services.xserver.displayManager.sessionPackages = [
+    services.displayManager.sessionPackages = [
      pkgs.surf-display
    ];

--- a/nixos/modules/services/x11/display-managers/default.nix
+++ b/nixos/modules/services/x11/display-managers/default.nix
@ -69,14 +69,14 @@ let
          source ~/.xprofile
      fi

-      ${optionalString cfg.displayManager.job.logToJournal ''
+      ${optionalString config.services.displayManager.logToJournal ''
        if [ -z "$_DID_SYSTEMD_CAT" ]; then
          export _DID_SYSTEMD_CAT=1
          exec ${config.systemd.package}/bin/systemd-cat -t xsession "$0" "$@"
        fi
      ''}

-      ${optionalString cfg.displayManager.job.logToFile ''
+      ${optionalString config.services.displayManager.logToFile ''
        exec &> >(tee ~/.xsession-errors)
      ''}

@ -225,7 +225,7 @@ in
    assertions = [
      {
        assertion = cfg.desktopManager.default != null || cfg.windowManager.default != null -> cfg.displayManager.defaultSession == defaultSessionFromLegacyOptions;
-        message = "You cannot use both services.xserver.displayManager.defaultSession option and legacy options (services.xserver.desktopManager.default and services.xserver.windowManager.default).";
+        message = "You cannot use both services.displayManager.defaultSession option and legacy options (services.xserver.desktopManager.default and services.xserver.windowManager.default).";
      }
    ];

--- a/nixos/modules/services/x11/display-managers/gdm.nix
+++ b/nixos/modules/services/x11/display-managers/gdm.nix
@ -32,7 +32,7 @@ let
    load-module module-position-event-sounds
  '';

-  defaultSessionName = config.services.xserver.displayManager.defaultSession;
+  defaultSessionName = config.services.displayManager.defaultSession;

  setSessionScript = pkgs.callPackage ./account-service-util.nix { };
 in
@ -41,14 +41,12 @@ in
  imports = [
    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "gdm" "autoLogin" "enable" ] [
      "services"
-      "xserver"
      "displayManager"
      "autoLogin"
      "enable"
    ])
    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "gdm" "autoLogin" "user" ] [
      "services"
-      "xserver"
      "displayManager"
      "autoLogin"
      "user"
@ -148,14 +146,14 @@ in
    services.xserver.display = null;
    services.xserver.verbose = null;

-    services.xserver.displayManager.job =
+    services.displayManager =
      {
        environment = {
          GDM_X_SERVER_EXTRA_ARGS = toString
            (filter (arg: arg != "-terminate") cfg.xserverArgs);
          XDG_DATA_DIRS = lib.makeSearchPath "share" [
            gdm # for gnome-login.session
-            cfg.sessionData.desktops
+            config.services.displayManager.sessionData.desktops
            pkgs.gnome.gnome-control-center # for accessibility icon
            pkgs.gnome.adwaita-icon-theme
            pkgs.hicolor-icon-theme # empty icon theme as a base
@ -169,7 +167,7 @@ in
        execCmd = "exec ${gdm}/bin/gdm";
        preStart = optionalString (defaultSessionName != null) ''
          # Set default session in session chooser to a specified values – basically ignore session history.
-          ${setSessionScript}/bin/set-session ${cfg.sessionData.autologinSession}
+          ${setSessionScript}/bin/set-session ${config.services.displayManager.sessionData.autologinSession}
        '';
      };

@ -265,14 +263,14 @@ in
      daemon = mkMerge [
        { WaylandEnable = cfg.gdm.wayland; }
        # nested if else didn't work
-        (mkIf (cfg.autoLogin.enable && cfg.gdm.autoLogin.delay != 0 ) {
+        (mkIf (config.services.displayManager.autoLogin.enable && cfg.gdm.autoLogin.delay != 0 ) {
          TimedLoginEnable = true;
-          TimedLogin = cfg.autoLogin.user;
+          TimedLogin = config.services.displayManager.autoLogin.user;
          TimedLoginDelay = cfg.gdm.autoLogin.delay;
        })
-        (mkIf (cfg.autoLogin.enable && cfg.gdm.autoLogin.delay == 0 ) {
+        (mkIf (config.services.displayManager.autoLogin.enable && cfg.gdm.autoLogin.delay == 0 ) {
          AutomaticLoginEnable = true;
-          AutomaticLogin = cfg.autoLogin.user;
+          AutomaticLogin = config.services.displayManager.autoLogin.user;
        })
      ];
      debug = mkIf cfg.gdm.debug {
@ -282,7 +280,7 @@ in

    environment.etc."gdm/custom.conf".source = configFile;

-    environment.etc."gdm/Xsession".source = config.services.xserver.displayManager.sessionData.wrapper;
+    environment.etc."gdm/Xsession".source = config.services.displayManager.sessionData.wrapper;

    # GDM LFS PAM modules, adapted somehow to NixOS
    security.pam.services = {
--- a/nixos/modules/services/x11/display-managers/lightdm-greeters/mini.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm-greeters/mini.nix
@ -60,7 +60,7 @@ in

          Note that this greeter starts only the default X session.
          You can configure the default X session using
-          [](#opt-services.xserver.displayManager.defaultSession).
+          [](#opt-services.displayManager.defaultSession).
        '';
      };

--- a/nixos/modules/services/x11/display-managers/lightdm-greeters/tiny.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm-greeters/tiny.nix
@ -22,7 +22,7 @@ in

          Note that this greeter starts only the default X session.
          You can configure the default X session using
-          [](#opt-services.xserver.displayManager.defaultSession).
+          [](#opt-services.displayManager.defaultSession).
        '';
      };

@ -81,7 +81,7 @@ in
      {
        assertion = dmcfg.defaultSession != null;
        message = ''
-          Please set: services.xserver.displayManager.defaultSession
+          Please set: services.displayManager.defaultSession
        '';
      }
    ];
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@ -5,9 +5,9 @@ with lib;
 let

  xcfg = config.services.xserver;
-  dmcfg = xcfg.displayManager;
+  dmcfg = config.services.displayManager;
  xEnv = config.systemd.services.display-manager.environment;
-  cfg = dmcfg.lightdm;
+  cfg = xcfg.displayManager.lightdm;
  sessionData = dmcfg.sessionData;

  setSessionScript = pkgs.callPackage ./account-service-util.nix { };
@ -26,7 +26,7 @@ let
      else additionalArgs="-logfile /var/log/X.$display.log"
      fi

-      exec ${dmcfg.xserverBin} ${toString dmcfg.xserverArgs} $additionalArgs "$@"
+      exec ${xcfg.displayManager.xserverBin} ${toString xcfg.displayManager.xserverArgs} $additionalArgs "$@"
    '';

  usersConf = writeText "users.conf"
@ -58,10 +58,10 @@ let
        autologin-user-timeout = ${toString cfg.autoLogin.timeout}
        autologin-session = ${sessionData.autologinSession}
      ''}
-      ${optionalString (dmcfg.setupCommands != "") ''
+      ${optionalString (xcfg.displayManager.setupCommands != "") ''
        display-setup-script=${pkgs.writeScript "lightdm-display-setup" ''
          #!${pkgs.bash}/bin/bash
-          ${dmcfg.setupCommands}
+          ${xcfg.displayManager.setupCommands}
        ''}
      ''}
      ${cfg.extraSeatDefaults}
@ -86,14 +86,12 @@ in
    ./lightdm-greeters/mobile.nix
    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "lightdm" "autoLogin" "enable" ] [
      "services"
-      "xserver"
      "displayManager"
      "autoLogin"
      "enable"
    ])
    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "lightdm" "autoLogin" "user" ] [
     "services"
-     "xserver"
     "displayManager"
     "autoLogin"
     "user"
@ -187,7 +185,7 @@ in
      }
      { assertion = dmcfg.autoLogin.enable -> sessionData.autologinSession != null;
        message = ''
-          LightDM auto-login requires that services.xserver.displayManager.defaultSession is set.
+          LightDM auto-login requires that services.displayManager.defaultSession is set.
        '';
      }
      { assertion = !cfg.greeter.enable -> (dmcfg.autoLogin.enable && cfg.autoLogin.timeout == 0);
@ -203,12 +201,12 @@ in

    # Set default session in session chooser to a specified values – basically ignore session history.
    # Auto-login is already covered by a config value.
-    services.xserver.displayManager.job.preStart = optionalString (!dmcfg.autoLogin.enable && dmcfg.defaultSession != null) ''
+    services.displayManager.preStart = optionalString (!dmcfg.autoLogin.enable && dmcfg.defaultSession != null) ''
      ${setSessionScript}/bin/set-session ${dmcfg.defaultSession}
    '';

    # setSessionScript needs session-files in XDG_DATA_DIRS
-    services.xserver.displayManager.job.environment.XDG_DATA_DIRS = "${dmcfg.sessionData.desktops}/share/";
+    services.displayManager.environment.XDG_DATA_DIRS = "${dmcfg.sessionData.desktops}/share/";

    # setSessionScript wants AccountsService
    systemd.services.display-manager.wants = [
@ -216,7 +214,7 @@ in
    ];

    # lightdm relaunches itself via just `lightdm`, so needs to be on the PATH
-    services.xserver.displayManager.job.execCmd = ''
+    services.displayManager.execCmd = ''
      export PATH=${lightdm}/sbin:$PATH
      exec ${lightdm}/sbin/lightdm
    '';
--- a/nixos/modules/services/x11/display-managers/xpra.nix
+++ b/nixos/modules/services/x11/display-managers/xpra.nix
@ -226,7 +226,7 @@ in
      VideoRam 192000
    '';

-    services.xserver.displayManager.job.execCmd = ''
+    services.displayManager.execCmd = ''
      ${optionalString (cfg.pulseaudio)
        "export PULSE_COOKIE=/run/pulse/.config/pulse/cookie"}
      exec ${pkgs.xpra}/bin/xpra ${if cfg.desktop == null then "start" else "start-desktop --start=${cfg.desktop}"} \
--- a/nixos/modules/services/x11/window-managers/default.nix
+++ b/nixos/modules/services/x11/window-managers/default.nix
@ -77,7 +77,7 @@ in
        default = null;
        example = "wmii";
        description = lib.mdDoc ''
-          **Deprecated**, please use [](#opt-services.xserver.displayManager.defaultSession) instead.
+          **Deprecated**, please use [](#opt-services.displayManager.defaultSession) instead.

          Default window manager loaded if none have been chosen.
        '';
--- a/nixos/modules/services/x11/window-managers/ragnarwm.nix
+++ b/nixos/modules/services/x11/window-managers/ragnarwm.nix
@ -18,7 +18,7 @@ in
  ###### implementation

  config = mkIf cfg.enable {
-    services.xserver.displayManager.sessionPackages = [ cfg.package ];
+    services.displayManager.sessionPackages = [ cfg.package ];
    environment.systemPackages = [ cfg.package ];
  };

--- a/nixos/modules/services/x11/xserver.nix
+++ b/nixos/modules/services/x11/xserver.nix
@ -644,7 +644,7 @@ in
    services.xserver.displayManager.lightdm.enable =
      let dmConf = cfg.displayManager;
          default = !(dmConf.gdm.enable
-                    || dmConf.sddm.enable
+                    || config.services.displayManager.sddm.enable
                    || dmConf.xpra.enable
                    || dmConf.sx.enable
                    || dmConf.startx.enable
@ -719,17 +719,17 @@ in
        environment =
          optionalAttrs config.hardware.opengl.setLdLibraryPath
            { LD_LIBRARY_PATH = lib.makeLibraryPath [ pkgs.addOpenGLRunpath.driverLink ]; }
-          // cfg.displayManager.job.environment;
+          // config.services.displayManager.environment;

        preStart =
          ''
-            ${cfg.displayManager.job.preStart}
+            ${config.services.displayManager.preStart}

            rm -f /tmp/.X0-lock
          '';

        # TODO: move declaring the systemd service to its own mkIf
-        script = mkIf (config.systemd.services.display-manager.enable == true) "${cfg.displayManager.job.execCmd}";
+        script = mkIf (config.systemd.services.display-manager.enable == true) "${config.services.displayManager.execCmd}";

        # Stop restarting if the display manager stops (crashes) 2 times
        # in one minute. Starting X typically takes 3-4s.
--- a/nixos/modules/testing/test-instrumentation.nix
+++ b/nixos/modules/testing/test-instrumentation.nix
@ -216,7 +216,7 @@ in
    # uses credentials to set passwords on users.
    users.users.root.hashedPasswordFile = mkOverride 150 "${pkgs.writeText "hashed-password.root" ""}";

-    services.xserver.displayManager.job.logToJournal = true;
+    services.displayManager.logToJournal = true;

    # Make sure we use the Guest Agent from the QEMU package for testing
    # to reduce the closure size required for the tests.
--- a/nixos/release.nix
+++ b/nixos/release.nix
@ -441,7 +441,7 @@ in rec {

    kde = makeClosure ({ ... }:
      { services.xserver.enable = true;
-        services.xserver.displayManager.sddm.enable = true;
+        services.displayManager.sddm.enable = true;
        services.xserver.desktopManager.plasma5.enable = true;
      });

--- a/nixos/tests/ayatana-indicators.nix
+++ b/nixos/tests/ayatana-indicators.nix
@ -21,8 +21,8 @@ in {
    services.xserver = {
      enable = true;
      desktopManager.mate.enable = true;
-      displayManager.defaultSession = lib.mkForce "mate";
    };
+    services.displayManager.defaultSession = lib.mkForce "mate";

    services.ayatana-indicators = {
      enable = true;
--- a/nixos/tests/cinnamon-wayland.nix
+++ b/nixos/tests/cinnamon-wayland.nix
@ -7,7 +7,7 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
    imports = [ ./common/user-account.nix ];
    services.xserver.enable = true;
    services.xserver.desktopManager.cinnamon.enable = true;
-    services.xserver.displayManager = {
+    services.displayManager = {
      autoLogin.enable = true;
      autoLogin.user = nodes.machine.users.users.alice.name;
      defaultSession = "cinnamon-wayland";
--- a/nixos/tests/common/auto.nix
+++ b/nixos/tests/common/auto.nix
@ -30,12 +30,10 @@ in
  ###### implementation

  config = lib.mkIf cfg.enable {
-    services.xserver.displayManager = {
-      lightdm.enable = true;
-      autoLogin = {
-        enable = true;
-        user = cfg.user;
-      };
+    services.xserver.displayManager.lightdm.enable = true;
+    services.displayManager.autoLogin = {
+      enable = true;
+      user = cfg.user;
    };

    # lightdm by default doesn't allow auto login for root, which is
--- a/nixos/tests/common/x11.nix
+++ b/nixos/tests/common/x11.nix
@ -12,6 +12,6 @@

  # Use IceWM as the window manager.
  # Don't use a desktop manager.
-  services.xserver.displayManager.defaultSession = lib.mkDefault "none+icewm";
+  services.displayManager.defaultSession = lib.mkDefault "none+icewm";
  services.xserver.windowManager.icewm.enable = true;
 }
--- a/nixos/tests/gnome-flashback.nix
+++ b/nixos/tests/gnome-flashback.nix
@ -14,16 +14,17 @@ import ./make-test-python.nix ({ pkgs, lib, ...} : {
      services.xserver.displayManager = {
        gdm.enable = true;
        gdm.debug = true;
-        autoLogin = {
-          enable = true;
-          user = user.name;
-        };
+      };
+
+      services.displayManager.autoLogin = {
+        enable = true;
+        user = user.name;
      };

      services.xserver.desktopManager.gnome.enable = true;
      services.xserver.desktopManager.gnome.debug = true;
      services.xserver.desktopManager.gnome.flashback.enableMetacity = true;
-      services.xserver.displayManager.defaultSession = "gnome-flashback-metacity";
+      services.displayManager.defaultSession = "gnome-flashback-metacity";
    };

  testScript = { nodes, ... }: let
--- a/nixos/tests/gnome-xorg.nix
+++ b/nixos/tests/gnome-xorg.nix
@ -15,15 +15,16 @@ import ./make-test-python.nix ({ pkgs, lib, ...} : {
      services.xserver.displayManager = {
        gdm.enable = true;
        gdm.debug = true;
-        autoLogin = {
-          enable = true;
-          user = user.name;
-        };
+      };
+
+      services.displayManager.autoLogin = {
+        enable = true;
+        user = user.name;
      };

      services.xserver.desktopManager.gnome.enable = true;
      services.xserver.desktopManager.gnome.debug = true;
-      services.xserver.displayManager.defaultSession = "gnome-xorg";
+      services.displayManager.defaultSession = "gnome-xorg";

      systemd.user.services = {
        "org.gnome.Shell@x11" = {
--- a/nixos/tests/gnome.nix
+++ b/nixos/tests/gnome.nix
@ -12,10 +12,11 @@ import ./make-test-python.nix ({ pkgs, lib, ...} : {
      services.xserver.displayManager = {
        gdm.enable = true;
        gdm.debug = true;
-        autoLogin = {
-          enable = true;
-          user = "alice";
-        };
+      };
+
+      services.displayManager.autoLogin = {
+        enable = true;
+        user = "alice";
      };

      services.xserver.desktopManager.gnome.enable = true;
--- a/nixos/tests/herbstluftwm.nix
+++ b/nixos/tests/herbstluftwm.nix
@ -8,7 +8,7 @@ import ./make-test-python.nix ({ lib, ...} : {
  nodes.machine = { pkgs, lib, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = lib.mkForce "none+herbstluftwm";
+    services.displayManager.defaultSession = lib.mkForce "none+herbstluftwm";
    services.xserver.windowManager.herbstluftwm.enable = true;
    environment.systemPackages = [ pkgs.dzen2 ]; # needed for upstream provided panel
  };
--- a/nixos/tests/i3wm.nix
+++ b/nixos/tests/i3wm.nix
@ -7,7 +7,7 @@ import ./make-test-python.nix ({ pkgs, ...} : {
  nodes.machine = { lib, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = lib.mkForce "none+i3";
+    services.displayManager.defaultSession = lib.mkForce "none+i3";
    services.xserver.windowManager.i3.enable = true;
  };

--- a/nixos/tests/lightdm.nix
+++ b/nixos/tests/lightdm.nix
@ -8,7 +8,7 @@ import ./make-test-python.nix ({ pkgs, ...} : {
    imports = [ ./common/user-account.nix ];
    services.xserver.enable = true;
    services.xserver.displayManager.lightdm.enable = true;
-    services.xserver.displayManager.defaultSession = "none+icewm";
+    services.displayManager.defaultSession = "none+icewm";
    services.xserver.windowManager.icewm.enable = true;
  };

--- a/nixos/tests/maestral.nix
+++ b/nixos/tests/maestral.nix
@ -29,11 +29,14 @@ import ./make-test-python.nix ({ pkgs, ... }: {
      gui = { ... }: common {
        services.xserver = {
          enable = true;
-          displayManager.sddm.enable = true;
-          displayManager.defaultSession = "plasma";
          desktopManager.plasma5.enable = true;
          desktopManager.plasma5.runUsingSystemd = true;
-          displayManager.autoLogin = {
+        };
+
+        services.displayManager = {
+          sddm.enable = true;
+          defaultSession = "plasma";
+          autoLogin = {
            enable = true;
            user = "alice";
          };
--- a/nixos/tests/mate-wayland.nix
+++ b/nixos/tests/mate-wayland.nix
@ -9,7 +9,7 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
    ];

    services.xserver.enable = true;
-    services.xserver.displayManager = {
+    services.displayManager = {
      sddm.enable = true; # https://github.com/canonical/lightdm/issues/63
      sddm.wayland.enable = true;
      defaultSession = "MATE";
--- a/nixos/tests/miriway.nix
+++ b/nixos/tests/miriway.nix
@ -19,10 +19,8 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
      user = "alice";
    };

-    services.xserver = {
-      enable = true;
-      displayManager.defaultSession = lib.mkForce "miriway";
-    };
+    services.xserver.enable = true;
+    services.displayManager.defaultSession = lib.mkForce "miriway";

    programs.miriway = {
      enable = true;
--- a/nixos/tests/nimdow.nix
+++ b/nixos/tests/nimdow.nix
@ -7,7 +7,7 @@ import ./make-test-python.nix ({ pkgs, ...} : {
  nodes.machine = { lib, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = lib.mkForce "none+nimdow";
+    services.displayManager.defaultSession = lib.mkForce "none+nimdow";
    services.xserver.windowManager.nimdow.enable = true;
  };

--- a/nixos/tests/plasma-bigscreen.nix
+++ b/nixos/tests/plasma-bigscreen.nix
@ -11,10 +11,10 @@ import ./make-test-python.nix ({ pkgs, ...} :
  {
    imports = [ ./common/user-account.nix ];
    services.xserver.enable = true;
-    services.xserver.displayManager.sddm.enable = true;
-    services.xserver.displayManager.defaultSession = "plasma-bigscreen-x11";
+    services.displayManager.sddm.enable = true;
+    services.displayManager.defaultSession = "plasma-bigscreen-x11";
    services.xserver.desktopManager.plasma5.bigscreen.enable = true;
-    services.xserver.displayManager.autoLogin = {
+    services.displayManager.autoLogin = {
      enable = true;
      user = "alice";
    };
--- a/nixos/tests/plasma5-systemd-start.nix
+++ b/nixos/tests/plasma5-systemd-start.nix
@ -12,11 +12,14 @@ import ./make-test-python.nix ({ pkgs, ...} :
    imports = [ ./common/user-account.nix ];
    services.xserver = {
      enable = true;
-      displayManager.sddm.enable = true;
-      displayManager.defaultSession = "plasma";
      desktopManager.plasma5.enable = true;
      desktopManager.plasma5.runUsingSystemd = true;
-      displayManager.autoLogin = {
+    };
+
+    services.displayManager = {
+      sddm.enable = true;
+      defaultSession = "plasma";
+      autoLogin = {
        enable = true;
        user = "alice";
      };
--- a/nixos/tests/plasma5.nix
+++ b/nixos/tests/plasma5.nix
@ -11,11 +11,11 @@ import ./make-test-python.nix ({ pkgs, ...} :
  {
    imports = [ ./common/user-account.nix ];
    services.xserver.enable = true;
-    services.xserver.displayManager.sddm.enable = true;
-    services.xserver.displayManager.defaultSession = "plasma";
+    services.displayManager.sddm.enable = true;
+    services.displayManager.defaultSession = "plasma";
    services.xserver.desktopManager.plasma5.enable = true;
    environment.plasma5.excludePackages = [ pkgs.plasma5Packages.elisa ];
-    services.xserver.displayManager.autoLogin = {
+    services.displayManager.autoLogin = {
      enable = true;
      user = "alice";
    };
--- a/nixos/tests/plasma6.nix
+++ b/nixos/tests/plasma6.nix
@ -11,12 +11,12 @@ import ./make-test-python.nix ({ pkgs, ...} :
  {
    imports = [ ./common/user-account.nix ];
    services.xserver.enable = true;
-    services.xserver.displayManager.sddm.enable = true;
+    services.displayManager.sddm.enable = true;
    # FIXME: this should be testing Wayland
-    services.xserver.displayManager.defaultSession = "plasmax11";
-    services.xserver.desktopManager.plasma6.enable = true;
+    services.displayManager.defaultSession = "plasmax11";
+    services.desktopManager.plasma6.enable = true;
    environment.plasma6.excludePackages = [ pkgs.kdePackages.elisa ];
-    services.xserver.displayManager.autoLogin = {
+    services.displayManager.autoLogin = {
      enable = true;
      user = "alice";
    };
--- a/nixos/tests/ragnarwm.nix
+++ b/nixos/tests/ragnarwm.nix
@ -8,7 +8,7 @@ import ./make-test-python.nix ({ lib, ...} : {
  nodes.machine = { pkgs, lib, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = lib.mkForce "ragnar";
+    services.displayManager.defaultSession = lib.mkForce "ragnar";
    services.xserver.windowManager.ragnarwm.enable = true;

    # Setup the default terminal of Ragnar
--- a/nixos/tests/sddm.nix
+++ b/nixos/tests/sddm.nix
@ -15,8 +15,8 @@ let
      nodes.machine = { ... }: {
        imports = [ ./common/user-account.nix ];
        services.xserver.enable = true;
-        services.xserver.displayManager.sddm.enable = true;
-        services.xserver.displayManager.defaultSession = "none+icewm";
+        services.displayManager.sddm.enable = true;
+        services.displayManager.defaultSession = "none+icewm";
        services.xserver.windowManager.icewm.enable = true;
      };

@ -44,14 +44,14 @@ let
      nodes.machine = { ... }: {
        imports = [ ./common/user-account.nix ];
        services.xserver.enable = true;
-        services.xserver.displayManager = {
+        services.displayManager = {
          sddm.enable = true;
          autoLogin = {
            enable = true;
            user = "alice";
          };
        };
-        services.xserver.displayManager.defaultSession = "none+icewm";
+        services.displayManager.defaultSession = "none+icewm";
        services.xserver.windowManager.icewm.enable = true;
      };

--- a/nixos/tests/wmderland.nix
+++ b/nixos/tests/wmderland.nix
@ -7,7 +7,7 @@ import ./make-test-python.nix ({ pkgs, ...} : {
  nodes.machine = { lib, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = lib.mkForce "none+wmderland";
+    services.displayManager.defaultSession = lib.mkForce "none+wmderland";
    services.xserver.windowManager.wmderland.enable = true;

    systemd.services.setupWmderlandConfig = {
--- a/nixos/tests/xfce.nix
+++ b/nixos/tests/xfce.nix
@ -10,13 +10,11 @@ import ./make-test-python.nix ({ pkgs, ...} : {
      ];

      services.xserver.enable = true;
+      services.xserver.displayManager.lightdm.enable = true;

-      services.xserver.displayManager = {
-        lightdm.enable = true;
-        autoLogin = {
-          enable = true;
-          user = "alice";
-        };
+      services.displayManager.autoLogin = {
+        enable = true;
+        user = "alice";
      };

      services.xserver.desktopManager.xfce.enable = true;
--- a/nixos/tests/xmonad-xdg-autostart.nix
+++ b/nixos/tests/xmonad-xdg-autostart.nix
@ -5,7 +5,7 @@ import ./make-test-python.nix ({ lib, ... }: {
  nodes.machine = { pkgs, config, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = "none+xmonad";
+    services.displayManager.defaultSession = "none+xmonad";
    services.xserver.windowManager.xmonad.enable = true;
    services.xserver.desktopManager.runXdgAutostartIfNone = true;

--- a/nixos/tests/xmonad.nix
+++ b/nixos/tests/xmonad.nix
@ -61,7 +61,7 @@ in {
  nodes.machine = { pkgs, ... }: {
    imports = [ ./common/x11.nix ./common/user-account.nix ];
    test-support.displayManager.auto.user = "alice";
-    services.xserver.displayManager.defaultSession = "none+xmonad";
+    services.displayManager.defaultSession = "none+xmonad";
    services.xserver.windowManager.xmonad = {
      enable = true;
      enableConfiguredRecompile = true;