dregil: Fix suspend/hibernate issue related to nvidia settings

modules/wm/nvidia.nix

@@ -0,0 +1,25 @@
+{
+  config,
+  ...
+}:
+
+{
+  hardware.graphics.enable = true;
+
+  services.xserver.videoDrivers = [ "nvidia" ];
+
+  hardware.nvidia = {
+    modesetting.enable = true;
+    nvidiaPersistenced = true;
+    powerManagement.enable = true;
+    powerManagement.finegrained = false;
+    open = false;
+    nvidiaSettings = true;
+    package = config.boot.kernelPackages.nvidiaPackages.latest;
+  };
+
+  boot.kernelParams = [
+    "nvidia-drm.fbdev=1"
+    "nvidia-drm.modeset=1"
+  ];
+}

modules/wm/x.nix

@@ -6,6 +6,7 @@
 }:
 
 {
+  imports = [ ./nvidia.nix ];
   # Enable the X11 windowing system.
   services = {
     dbus = {