237 current 2025-01-11 21:36:38 25.05.20241217.d3c42f1 6.6.66 *

configuration.nix

@@ -15,7 +15,7 @@
 in {
   imports = [
     # Include the results of the hardware scan.
-    ./hardware-configuration.nix
+    # ./hardware-configuration.nix
     ./system/system.nix
     # inputs.home-manager.nixosModules.default
   ];

system/hardware/configuration/hardware-configuration.nix

@@ -0,0 +1,37 @@
+# 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,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/05ca9d56-3506-43c5-b9ec-be928b782996";
+    fsType = "ext4";
+  };
+
+  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.enp0s31f6.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

system/hardware/hardware.nix

@@ -0,0 +1,10 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  imports = [
+    ./configuration/hardware-configuration.nix
+    ./power-management/default.nix
+  ];
+}

system/hardware/power-management/default.nix

@@ -0,0 +1,57 @@
+{pkgs, ...}: {
+  services.thermald.enable = true;
+  services.tlp = {
+    enable = true;
+    settings = {
+      # Performance Policy
+      CPU_SCALING_GOVERNOR_ON_AC = "performance";
+      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+
+      # Intel-pstate gives sluggish performance
+      CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
+      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
+
+      # CPU Performance Caps
+      CPU_MIN_PERF_ON_AC = 0;
+      CPU_MIN_PERF_ON_BAT = 0;
+
+      CPU_MAX_PERF_ON_AC = 100;
+      CPU_MAX_PERF_ON_BAT = 50;
+
+      # Platform Profile
+      PLATFORM_PROFILE_ON_AC = "performance";
+      PLATFORM_PROFILE_ON_BAT = "low-power";
+
+      # Boost
+      CPU_BOOST_ON_AC = 1;
+      CPU_BOOST_ON_BAT = 0;
+
+      CPU_HWP_DYN_BOOST_ON_AC = 1;
+      CPU_HWP_DYN_BOOST_ON_BAT = 0;
+
+      # Runtime Power Management
+      RUNTIME_PM_ON_AC = "auto";
+      RUNTIME_PM_ON_BAT = "auto";
+
+      # PCIE ASPM, talking with PCIE devices to save power
+      PCIE_ASPM_ON_AC = "default";
+      PCIE_ASPM_ON_BAT = "powersupersave";
+
+      # Suspend USB devices to save power
+      USB_AUTOSUSPEND = 1;
+
+      # ~~Don't~~ disable bluetooth devices
+      USB_EXCLUDE_BTUSB = 0;
+
+      # Wifi Power Save
+      WIFI_PWR_ON_AC = "off";
+      WIFI_PWR_ON_BAT = "on";
+
+      # Hybrid Graphics Management
+      RUNTIME_PM_DRIVER_DENYLIST = "mei_me";
+
+      # MEM_SLEEP_ON_AC = "s2idle";
+      MEM_SLEEP_ON_BAT = "deep";
+    };
+  };
+}

system/system.nix

@@ -7,5 +7,6 @@
     ./wm/bspwm.nix
     ./services/services.nix
     ./fonts/fonts.nix
+    ./hardware/hardware.nix
   ];
 }