From ec11905096868338f79963d1c70c4a411c1564dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Sun, 4 May 2025 05:05:26 +0200
Subject: [PATCH] System Gen3 @ 2025-05-04-05:05:26 by jonas@monolith

---
 flake.nix                        |  8 ++++--
 hosts/monolith/configuration.nix | 44 +++++++++++++++++++++++++++++++-
 modules/home/doom/doom.nix       |  4 ++-
 3 files changed, 52 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index 67149be..b5f9f5d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -62,7 +62,7 @@
         modules = [
           ({...}: {nixpkgs.overlays = [overlay-unstable];})
           ({...}: {nixpkgs.config.allowUnfree = true;})
-          nixos-hardware.nixosModules.lenovo-thinkpad-t14-amd-gen1
+          nixos-hardware.nixosModules.msi-b550-a-pro
           inputs.sops-nix.nixosModules.sops
           ./modules
           ./hosts/comfy-station/configuration.nix
@@ -76,13 +76,17 @@
         };
         modules = [
           ({...}: {nixpkgs.overlays = [overlay-unstable];})
-          ({...}: {nixpkgs.config.allowUnfree = true;})
+          ({...}: {
+            nixpkgs.config.allowUnfree = true;
+            nixpkgs.config.nvidia.acceptLicense = true;
+          })
           {
             nix.settings = {
               substituters = ["https://cosmic.cachix.org/"];
               trusted-public-keys = ["cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="];
             };
           }
+          nixos-hardware.nixosModules.lenovo-thinkpad-t14-amd-gen1
           inputs.sops-nix.nixosModules.sops
           nixos-cosmic.nixosModules.default
           ./modules
diff --git a/hosts/monolith/configuration.nix b/hosts/monolith/configuration.nix
index 53c9220..74926bb 100644
--- a/hosts/monolith/configuration.nix
+++ b/hosts/monolith/configuration.nix
@@ -1,7 +1,11 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
-{pkgs, ...}: {
+{
+  config,
+  pkgs,
+  ...
+}: {
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
@@ -79,6 +83,44 @@
   services.udev.packages = [pkgs.openhantek6022];
   virtualisation.docker.enable = true;
 
+  #   # Enable OpenGL
+  hardware.graphics = {
+    enable = true;
+  };
+
+  # Load nvidia driver for Xorg and Wayland
+  services.xserver.videoDrivers = ["nvidia"];
+
+  hardware.nvidia = {
+    # Modesetting is required.
+    modesetting.enable = true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    # Enable this if you have graphical corruption issues or application crashes after waking
+    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
+    # of just the bare essentials.
+    powerManagement.enable = false;
+
+    # Fine-grained power management. Turns off GPU when not in use.
+    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+    powerManagement.finegrained = false;
+
+    # Use the NVidia open source kernel module (not to be confused with the
+    # independent third-party "nouveau" open source driver).
+    # Support is limited to the Turing and later architectures. Full list of
+    # supported GPUs is at:
+    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
+    # Only available from driver 515.43.04+
+    open = false;
+
+    # Enable the Nvidia settings menu,
+    # accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.legacy_390;
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/modules/home/doom/doom.nix b/modules/home/doom/doom.nix
index 5d3e8b7..5db35a3 100644
--- a/modules/home/doom/doom.nix
+++ b/modules/home/doom/doom.nix
@@ -6,9 +6,11 @@
 }: let
   cfg = config.hive.doom;
   doom-pkgs = with pkgs; [
+    cmake
+    emacs-all-the-icons-fonts
     fira
     fira-code-nerdfont
-    emacs-all-the-icons-fonts
+    gcc
   ];
   default-core-pkgs = with pkgs; [
     (ripgrep.override {withPCRE2 = true;})