⚡️ Improve hardware support and performance through various modifications

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755511413,
+        "lastModified": 1756741629,
-        "narHash": "sha256-cBBF+nwGrSroN6ZewHPFaSThyCvwBxSZMdYEH8DxDx8=",
+        "narHash": "sha256-n+mgH3NoQf8d1jd8cDp/9Mt++hhyuE3LO3ZAxzjWRZw=",
         "owner": "catppuccin",
         "repo": "nix",
-        "rev": "ca11a19d4e1d2ba5e6162f40cb71288551fd51dd",
+        "rev": "cd22197da06df1eb6fabdaa2fc22c170c4f67382",
         "type": "github"
       },
       "original": {
@@ -56,11 +56,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1754487366,
+        "lastModified": 1756770412,
-        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
+        "narHash": "sha256-+uWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
+        "rev": "4524271976b625a4a605beefd893f270620fd751",
         "type": "github"
       },
       "original": {
@@ -94,11 +94,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755538029,
+        "lastModified": 1756842514,
-        "narHash": "sha256-XVsragfuN8A/tMiPToejH7RofH15toeIGhlXraX+yBo=",
+        "narHash": "sha256-XbtRMewPGJwTNhBC4pnBu3w/xT1XejvB0HfohC2Kga8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "bf450a0844e80e6aa22652d3f3728f20cd974527",
+        "rev": "30fc1b532645a21e157b6e33e3f8b4c154f86382",
         "type": "github"
       },
       "original": {
@@ -138,11 +138,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755395461,
+        "lastModified": 1756516619,
-        "narHash": "sha256-2zsR2QAE7wnDWzzMpVDpV6k+PCrcoVf1+yiNd4dbd08=",
+        "narHash": "sha256-iWNyhVIBO/CxQdLeQAfedynD68+SmIq5lj/TJpJyUSA=",
         "owner": "kaylorben",
         "repo": "nixcord",
-        "rev": "b1260171b674953712e093acfd285585f6586a01",
+        "rev": "eed47b8dc6601e94f0b4ce71bfea349869b541c0",
         "type": "github"
       },
       "original": {
@@ -151,13 +151,28 @@
         "type": "github"
       }
     },
+    "nixos-hardware": {
+      "locked": {
+        "lastModified": 1756750488,
+        "narHash": "sha256-e4ZAu2sjOtGpvbdS5zo+Va5FUUkAnizl4wb0/JlIL2I=",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "47eb4856cfd01eaeaa7bb5944a0f27db8fb9b94a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1755186698,
+        "lastModified": 1756542300,
-        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
+        "narHash": "sha256-tlOn88coG5fzdyqz6R93SQL5Gpq+m/DsWpekNFhqPQk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
+        "rev": "d7600c775f877cd87b4f5a831c28aa94137377aa",
         "type": "github"
       },
       "original": {
@@ -175,6 +190,7 @@
         "home-manager": "home-manager",
         "minegrub-theme": "minegrub-theme",
         "nixcord": "nixcord",
+        "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "sops-nix": "sops-nix",
         "vicinae": "vicinae"
@@ -223,11 +239,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1756293534,
+        "lastModified": 1756547894,
-        "narHash": "sha256-O5YINKNzeHUnJ9Ky7Aaeh42NhcmF/La7rb0dddrbjyQ=",
+        "narHash": "sha256-iu0pzPv3ArB8m9H4rH7bFMjRspA5thRV6kp9fVLagZc=",
         "owner": "tomromeo",
         "repo": "vicinae-nix",
-        "rev": "9da69cbdecb40e16d37a77e7ba39c9dfbe8f25c5",
+        "rev": "5eea3c1f5d10abc074b27c65a38b1ca3b9a8adeb",
         "type": "github"
       },
       "original": {

flake.nix

@@ -21,6 +21,7 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     easy-hosts.url = "github:tgirlcloud/easy-hosts";
+    nixos-hardware.url = "github:NixOS/nixos-hardware";
 
     sops-nix = {
       url = "github:Mic92/sops-nix";

homes/x86_64-linux/jo/default.nix

@@ -28,6 +28,9 @@
     };
   };
 
+  # Notify on systembus events
+  services.systembus-notify.enable = true;
+
   sops.secrets.wakatime-cfg = {
     format = "binary";
     sopsFile = ./secrets/wakatime.cfg;

modules/nixos/system/nix/default.nix

@@ -24,8 +24,12 @@ in
 
   config = mkIf cfg.enable {
     nix = {
+      optimise = {
+        automatic = true;
+        dates = [ "03:45" ];
+      };
+
       settings = {
-        auto-optimise-store = true;
         builders-use-substitutes = true;
         experimental-features = [
           "nix-command"
@@ -35,7 +39,8 @@ in
         keep-derivations = true;
         keep-outputs = true;
 
-        max-jobs = "auto";
+        cores = 2;
+        max-jobs = 8;
         warn-dirty = false;
 
         trusted-users = cfg.trusted-users;
@@ -44,7 +49,7 @@ in
       # Garbage collection configuration.
       gc = {
         automatic = true;
-        dates = "daily";
+        dates = "weekly";
         options = "--delete-older-than 3d";
       };
 

systems/x86_64-nixos/puzzlevision/default.nix

@@ -1,7 +1,8 @@
-{ config, ... }:
+{ ... }:
 {
   imports = [
     ./hardware.nix
+    ./hardware-generated.nix
   ];
 
   # Todo: automate this globally for all workstation and server archetypes!
@@ -32,30 +33,25 @@
     };
 
     archetypes.laptop.enable = true;
-
+    system.kernel.version = "linuxPackages_zen";
-    system.kernel.version = "linuxPackages_6_15";
   };
 
-  # Configure 8GB SWAP partition
+  # Configure some last-resort aggressive nix-daemon OOM protection
-  swapDevices = [
+  systemd = {
-    {
+    # Create a separate slice for nix-daemon that is
-      device = "/swapfile";
+    # memory-managed by the userspace systemd-oomd killer
-      size = 8 * 1024;
+    slices."nix-daemon".sliceConfig = {
-    }
+      ManagedOOMMemoryPressure = "kill";
-  ];
+      ManagedOOMMemoryPressureLimit = "50%";
+    };
+    services."nix-daemon".serviceConfig.Slice = "nix-daemon.slice";
+
+    # If a kernel-level OOM event does occur anyway,
+    # strongly prefer killing nix-daemon child processes
+    services."nix-daemon".serviceConfig.OOMScoreAdjust = 1000;
+  };
 
   boot = {
-    kernelModules = [ "8821ce" ];
-
-    # Configure additional kernel modules.
-    extraModulePackages = with config.boot.kernelPackages; [
-      rtl8821ce
-    ];
-
-    blacklistedKernelModules = [
-      "rtw88_8821ce" # Block the default network-card driver.
-    ];
-
     # Grub configuration
     loader.grub = {
       # Minecraft bootloader theme

systems/x86_64-nixos/puzzlevision/hardware-generated.nix

@@ -0,0 +1,67 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "vmd"
+    "nvme"
+    "usbhid"
+    "rtsx_pci_sdmmc"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/864b1287-89fd-4cc0-98a5-40a3caf804c6";
+    fsType = "btrfs";
+    options = [ "subvol=@" ];
+  };
+
+  boot.initrd.luks.devices."luks-5fd4fc76-d5c5-46c3-b952-1a7a7ff3a1fc".device =
+    "/dev/disk/by-uuid/5fd4fc76-d5c5-46c3-b952-1a7a7ff3a1fc";
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/2429-4141";
+    fsType = "vfat";
+    options = [
+      "fmask=0022"
+      "dmask=0022"
+    ];
+  };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-01571e4eda2f.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-20785fae249b.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-64a49a5722c1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-71e5fc5962fc.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-7df9905783da.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-9b746f4e7e2f.useDHCP = lib.mkDefault true;
+  # networking.interfaces.br-e2f470a56dfe.useDHCP = lib.mkDefault true;
+  # networking.interfaces.docker0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s13f0u4u4.useDHCP = lib.mkDefault true;
+  # networking.interfaces.veth4e96b46.useDHCP = lib.mkDefault true;
+  # networking.interfaces.veth96a5ccd.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkForce "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

systems/x86_64-nixos/puzzlevision/hardware.nix

@@ -1,67 +1,92 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
 {
+  pkgs,
+  inputs,
   config,
-  lib,
-  modulesPath,
   ...
 }:
-
 {
   imports = [
-    (modulesPath + "/installer/scan/not-detected.nix")
+    inputs.nixos-hardware.nixosModules.common-pc-laptop-ssd
+    inputs.nixos-hardware.nixosModules.common-pc-laptop
+    inputs.nixos-hardware.nixosModules.common-cpu-intel
   ];
 
-  boot.initrd.availableKernelModules = [
+  # Some boot settings for intel CPU's
-    "xhci_pci"
+  boot = {
-    "vmd"
+    initrd.kernelModules = [ "i915" ];
-    "nvme"
+    kernelModules = [
-    "usbhid"
+      "kvm-intel"
-    "rtsx_pci_sdmmc"
+      "8821ce"
-  ];
+    ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
 
-  fileSystems."/" = {
+    extraModulePackages = with config.boot.kernelPackages; [
-    device = "/dev/disk/by-uuid/864b1287-89fd-4cc0-98a5-40a3caf804c6";
+      rtl8821ce # Install community maintained network driver
-    fsType = "btrfs";
+    ];
-    options = [ "subvol=@" ];
-  };
 
-  boot.initrd.luks.devices."luks-5fd4fc76-d5c5-46c3-b952-1a7a7ff3a1fc".device =
+    blacklistedKernelModules = [
-    "/dev/disk/by-uuid/5fd4fc76-d5c5-46c3-b952-1a7a7ff3a1fc";
+      "rtw88_8821ce" # Block the default network-card driver.
-
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/2429-4141";
-    fsType = "vfat";
-    options = [
-      "fmask=0022"
-      "dmask=0022"
     ];
   };
 
+  # Enable OpenGL and install additional drivers for intel video acceleration
+  hardware = {
+    graphics = {
+      enable = true;
+      extraPackages = with pkgs; [
+        intel-ocl
+        intel-media-driver
+        vaapiVdpau
+        libvdpau-va-gl
+      ];
+    };
+
+    # Broader firmware and hardware support
+    enableAllFirmware = true;
+    enableAllHardware = true;
+  };
+
+  environment.sessionVariables = {
+    LIBVA_DRIVER_NAME = "iHD";
+  };
+
+  # Enable ZRAM and disable standard SWAP
+  zramSwap.enable = true;
   swapDevices = [ ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  services = {
-  # (the default) this is the recommended approach. When using systemd-networkd it's
+    # Enable TLP for power management profiles on AC and Battery
-  # still possible to use this option, but it's recommended to use it in conjunction
+    tlp = {
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+      enable = true;
-  networking.useDHCP = lib.mkDefault true;
+      settings = {
-  # networking.interfaces.br-01571e4eda2f.useDHCP = lib.mkDefault true;
+        CPU_SCALING_GOVERNOR_ON_AC = "performance";
-  # networking.interfaces.br-20785fae249b.useDHCP = lib.mkDefault true;
+        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
-  # networking.interfaces.br-64a49a5722c1.useDHCP = lib.mkDefault true;
-  # networking.interfaces.br-71e5fc5962fc.useDHCP = lib.mkDefault true;
-  # networking.interfaces.br-7df9905783da.useDHCP = lib.mkDefault true;
-  # networking.interfaces.br-9b746f4e7e2f.useDHCP = lib.mkDefault true;
-  # networking.interfaces.br-e2f470a56dfe.useDHCP = lib.mkDefault true;
-  # networking.interfaces.docker0.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s13f0u4u4.useDHCP = lib.mkDefault true;
-  # networking.interfaces.veth4e96b46.useDHCP = lib.mkDefault true;
-  # networking.interfaces.veth96a5ccd.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkForce "x86_64-linux";
+        CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+        CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
+
+        CPU_MIN_PERF_ON_AC = 0;
+        CPU_MAX_PERF_ON_AC = 100;
+        CPU_MIN_PERF_ON_BAT = 0;
+        CPU_MAX_PERF_ON_BAT = 30;
+      };
+    };
+
+    # Disable power-profiles-daemon in favor of TLP :3
+    power-profiles-daemon.enable = false;
+
+    # Kill processes before they can cause an OOM exception
+    earlyoom = {
+      enable = true;
+      enableNotifications = true;
+    };
+
+    # Enable Thermald for improved overheating protection
+    thermald.enable = true;
+
+    # Instruct XServer to use the correct video drivers
+    xserver.videoDrivers = [
+      "i915"
+      "intel"
+    ];
+  };
 }