use amd's drm-next branch

modules/graphical/games.nix

@@ -16,7 +16,7 @@ in {
       dedicatedServer.openFirewall =
         true; # Open ports in the firewall for Source Dedicated Server
       gamescopeSession.enable = true;
-      extraCompatPackages = with pkgs; [ proton-ge-bin ];
+      extraCompatPackages = with pkgs; [ proton-ge-bin steamtinkerlaunch ];
     };
     programs.gamemode = {
       enable = true;

modules/graphical/sddm.nix

@@ -12,9 +12,10 @@ in {
 
   config = lib.mkIf cfg.enable {
     services = {
-      displayManager = {
-        sddm.enable = true;
-        sddm.theme = "${pkgs.sddm-astronaut}";
+      displayManager.sddm = {
+        enable = true;
+        theme = "${pkgs.sddm-astronaut}";
+        #wayland.enable = true;
         #sddm.theme = "breeze";
       };
     };