updating kaladin to use latest nvidia driver

README.org

@@ -792,10 +792,10 @@ Kaladin is my desktop machine. A powerhouse for the most part with a recent i7 a
 { config, pkgs, ... }:
 
 {
-imports =
-  [
-    ./hardware-configuration.nix
-  ];
+  imports =
+    [
+      ./hardware-configuration.nix
+    ];
 
   <<experimental-features>>
 
@@ -832,7 +832,7 @@ imports =
   i18n.defaultLocale = "en_US.UTF-8";
 
   # Set default shell to be dash for speed
-  environment.binsh = "${pkgs.dash}/bin/dash";
+  # environment.binsh = "${pkgs.dash}/bin/dash";
 
   # NVIDIA
   services.xserver.videoDrivers = [ "nvidia" ];
@@ -845,11 +845,18 @@ imports =
       ];
     };
     nvidia = {
+      package = config.boot.kernelPackages.nvidiaPackages.latest;
       modesetting.enable = true;
       powerManagement.enable = true;
     };
   };
 
+  services.xserver.screenSection = ''
+  Option         "metamodes" "nvidia-auto-select +0+0 {ForceFullCompositionPipeline=On}"
+  Option         "AllowIndirectGLXProtocol" "off"
+  Option         "TripleBuffer" "on"
+  '';
+
   <<desktop>>
   
   # Configure keymap in X11
@@ -912,25 +919,25 @@ imports =
     <<base-packages>>
     <<general-packages>>
     blender
-    neofetch
-    # ethminer
-    lutris
-    protonup
-    nvtop
+      neofetch
+      # ethminer
+      lutris
+      protonup
+      nvtop
     # Dev tools
     <<dev-tools>>
     <<lightlyshaders>>
   ];
 
-  nixpkgs.overlays = [
+  # nixpkgs.overlays = [
 
-    (import (builtins.fetchTarball {
-      url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
-      sha256 = "1v1n30a2ai5mnlkrkwv4mfczd3601sqxxlawadxariblfvg7qz4j";
-    }))
+  #   (import (builtins.fetchTarball {
+  #     url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
+  #     sha256 = "1v1n30a2ai5mnlkrkwv4mfczd3601sqxxlawadxariblfvg7qz4j";
+  #   }))
 
-    <<overlays>>
-  ];
+  #   <<overlays>>
+  # ];
 
   <<emacs>>
   <<samba>>
@@ -993,7 +1000,7 @@ And here is it's hardware config.
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ config.boot.kernelPackages.nvidia_x11 ];
+  boot.extraModulePackages = [ config.boot.kernelPackages.nvidiaPackages.latest ];
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/9b5a1a62-0de6-4e07-a541-634736980d10";