treewide: rename renamed sddm/displayManager settings

41 files changed, 128 insertions, 141 deletions

diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix
index d1a4c27432c2b..1de5ba113875a 100644
--- 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";
   };
 }
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma5.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma5.nix
index a4c46d58c85a4..61e94ffed8894 100644
--- 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";
     };
   };
 
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma6.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-plasma6.nix
index 11118db3aae2a..bdcf751bf6290 100644
--- 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;
-
-    # Automatically login as nixos.
-    displayManager = {
-      sddm.enable = true;
-      autoLogin = {
-        enable = true;
-        user = "nixos";
-      };
+  services.desktopManager.plasma6.enable = true;
+
+  # Automatically login as nixos.
+  services.displayManager = {
+    sddm.enable = true;
+    autoLogin = {
+      enable = true;
+      user = "nixos";
     };
   };
 
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
index 573b31b439c2d..b3c605e3f94d1 100644
--- 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";
+  };
 }
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-plasma5.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-plasma5.nix
index 5c7617c9f8c1a..ce111bcebd5c9 100644
--- 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";
     };
   };
 
diff --git a/nixos/modules/installer/virtualbox-demo.nix b/nixos/modules/installer/virtualbox-demo.nix
index 01931b2acfca4..289a8cf9e5062 100644
--- 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;
diff --git a/nixos/modules/programs/miriway.nix b/nixos/modules/programs/miriway.nix
index e8a10770b6a34..010ab984fc1b0 100644
--- 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 ];
diff --git a/nixos/modules/programs/steam.nix b/nixos/modules/programs/steam.nix
index bab9bf8107b6e..0fa6b90cfff2a 100644
--- 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;
diff --git a/nixos/modules/programs/wayland/cardboard.nix b/nixos/modules/programs/wayland/cardboard.nix
index 77a094a717005..0039961927378 100644
--- 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; })
   ]);
diff --git a/nixos/modules/programs/wayland/hyprland.nix b/nixos/modules/programs/wayland/hyprland.nix
index bb2641762cad9..b89e3fb955d4a 100644
--- 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;
diff --git a/nixos/modules/programs/wayland/labwc.nix b/nixos/modules/programs/wayland/labwc.nix
index d0806c3aa5d0e..7f5f54f031eab 100644
--- 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; })
   ]);
diff --git a/nixos/modules/programs/wayland/river.nix b/nixos/modules/programs/wayland/river.nix
index 995129b9710ae..133dda539f018 100644
--- 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" ];
diff --git a/nixos/modules/programs/wayland/sway.nix b/nixos/modules/programs/wayland/sway.nix
index 2bd297af52544..08ae162b23b48 100644
--- 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; })
     ]);
 
diff --git a/nixos/modules/programs/wayland/wayfire.nix b/nixos/modules/programs/wayland/wayfire.nix
index 0840246e5e3ef..6f6550edc5a08 100644
--- 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;
diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 8e30e401c792e..01985995a651d 100644
--- 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" ] ''
diff --git a/nixos/modules/services/desktop-managers/plasma6.nix b/nixos/modules/services/desktop-managers/plasma6.nix
index 796870aab1253..c1f3ea70cb6e9 100644
--- 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";
diff --git a/nixos/modules/services/display-managers/default.nix b/nixos/modules/services/display-managers/default.nix
index 93c4e481e5304..7f5db9fbb509b 100644
--- 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);
diff --git a/nixos/modules/services/display-managers/sddm.nix b/nixos/modules/services/display-managers/sddm.nix
index 750b35ba72aa5..d7bd26e779d9a 100644
--- 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.
         '';
       }
     ];
diff --git a/nixos/modules/services/system/nix-daemon.nix b/nixos/modules/services/system/nix-daemon.nix
index ce255cd8d0a46..550ef6b1e18c2 100644
--- 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 [
diff --git a/nixos/modules/services/x11/desktop-managers/budgie.nix b/nixos/modules/services/x11/desktop-managers/budgie.nix
index 466ef5c565b7e..a911db725c014 100644
--- 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
     ];
 
diff --git a/nixos/modules/services/x11/desktop-managers/cinnamon.nix b/nixos/modules/services/x11/desktop-managers/cinnamon.nix
index f5a6c05865c47..935f173a9d81c 100644
--- 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;
diff --git a/nixos/modules/services/x11/desktop-managers/deepin.nix b/nixos/modules/services/x11/desktop-managers/deepin.nix
index 902e3a9317dd1..61f6fece58708 100644
--- 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 = ''
diff --git a/nixos/modules/services/x11/desktop-managers/default.nix b/nixos/modules/services/x11/desktop-managers/default.nix
index 33d0a7b526436..896d8dcbff40f 100644
--- 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.
         '';
diff --git a/nixos/modules/services/x11/desktop-managers/enlightenment.nix b/nixos/modules/services/x11/desktop-managers/enlightenment.nix
index 28dd408c923c8..d241c63436faa 100644
--- 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
diff --git a/nixos/modules/services/x11/desktop-managers/gnome.nix b/nixos/modules/services/x11/desktop-managers/gnome.nix
index 2cf9bc2eac37e..cc959bcf7bd58 100644
--- 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;
diff --git a/nixos/modules/services/x11/desktop-managers/lumina.nix b/nixos/modules/services/x11/desktop-managers/lumina.nix
index 7b694106bf7ee..9df9fe42a1ff6 100644
--- 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
     ];
 
diff --git a/nixos/modules/services/x11/desktop-managers/mate.nix b/nixos/modules/services/x11/desktop-managers/mate.nix
index 957eac7848e7f..e475442b9ef47 100644
--- 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 ];
     })
   ];
 }
diff --git a/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixos/modules/services/x11/desktop-managers/pantheon.nix
index b9ca6bd4ba8d3..695d81f666a10 100644
--- 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
diff --git a/nixos/modules/services/x11/desktop-managers/phosh.nix b/nixos/modules/services/x11/desktop-managers/phosh.nix
index 75e02130addc5..41107788db0a5 100644
--- 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
diff --git a/nixos/modules/services/x11/desktop-managers/plasma5.nix b/nixos/modules/services/x11/desktop-managers/plasma5.nix
index f516a29fb5db3..bb6e5873deff9 100644
--- 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;
diff --git a/nixos/modules/services/x11/desktop-managers/surf-display.nix b/nixos/modules/services/x11/desktop-managers/surf-display.nix
index 38ebb9d02b4ac..e5f2c76f4ac25 100644
--- 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
     ];
 
diff --git a/nixos/modules/services/x11/display-managers/default.nix b/nixos/modules/services/x11/display-managers/default.nix
index 5e2d1bf39abf3..129bafefabe99 100644
--- 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).";
       }
     ];
 
diff --git a/nixos/modules/services/x11/display-managers/gdm.nix b/nixos/modules/services/x11/display-managers/gdm.nix
index 400e5601dc59a..6bdfe9ea6f8cd 100644
--- 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 = {
diff --git a/nixos/modules/services/x11/display-managers/lightdm-greeters/mini.nix b/nixos/modules/services/x11/display-managers/lightdm-greeters/mini.nix
index f4195c4c2dc39..8702d0b97ed2e 100644
--- 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).
         '';
       };
 
diff --git a/nixos/modules/services/x11/display-managers/lightdm-greeters/tiny.nix b/nixos/modules/services/x11/display-managers/lightdm-greeters/tiny.nix
index dede7680ecb3a..b2ea8e6d94f21 100644
--- 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
         '';
       }
     ];
diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index 548d3c5bc46a5..cb6365bace352 100644
--- 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
     '';
diff --git a/nixos/modules/services/x11/display-managers/xpra.nix b/nixos/modules/services/x11/display-managers/xpra.nix
index 3e7c6b01b3e91..ce80e013e81e2 100644
--- 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}"} \
diff --git a/nixos/modules/services/x11/window-managers/default.nix b/nixos/modules/services/x11/window-managers/default.nix
index e180f2693e0c6..527c95bb14ac3 100644
--- 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.
         '';
diff --git a/nixos/modules/services/x11/window-managers/ragnarwm.nix b/nixos/modules/services/x11/window-managers/ragnarwm.nix
index 7242c8b1324c4..0f4c2660b1e07 100644
--- 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 ];
   };
 
diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix
index f7ca08678e708..b9d39aa2b2ef2 100644
--- 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.
diff --git a/nixos/modules/testing/test-instrumentation.nix b/nixos/modules/testing/test-instrumentation.nix
index b07433f5c18fd..cf4a734b3f053 100644
--- 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.