Make zfs and amdgpu modules available early in boot process

Also temporarily disable plymouth.

hosts/aragorn/default.nix

@@ -21,7 +21,7 @@
   };
 
   # Being fancy. Other people have already taken care of all the tough setting-up parts :)
-  boot.plymouth.enable = true;
+  # boot.plymouth.enable = true;
 
   # Most valuable directories (.e.g /home, /gnu, /nix) are persisted using ZFS datasets.
   # Impermanence is used to deal with state files.

hosts/aragorn/hardware.nix

@@ -1,15 +1,15 @@
 { config, ... }: {
   boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ "amdgpu" ];
+  boot.initrd.supportedFilesystems = [ "zfs" ];
+
   boot.kernelModules = [ "kvm-amd" ];
-  boot.supportedFilesystems = [ "zfs" ];
+  boot.kernelParams = [ "amd_pstate=active" ];
   boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.efi.canTouchEfiVariables = true;
-  boot.loader.systemd-boot = {
-    enable = true;
-    consoleMode = "max";
-  };
+  boot.loader.systemd-boot.enable = true;
 
   # Necessary ~~evils~~ binary blobs
   # Ref: https://github.com/NixOS/nixos-hardware/tree/master/common/{cpu,gpu}/amd

hosts/aragorn/users/default.nix

@@ -27,6 +27,7 @@ in
 
     gema = {
       isNormalUser = true;
+      extraGroups = [ "networkmanager" ];
       shell = pkgs.zsh;
 
       hashedPasswordFile = secrets."users/gema/hashedPassword".path;