c2: hw tuning

flake.lock

@@ -20,6 +20,22 @@
         "type": "github"
       }
     },
+    "nixos-hardware": {
+      "locked": {
+        "lastModified": 1744633460,
+        "narHash": "sha256-fbWE4Xpw6eH0Q6in+ymNuDwTkqmFmtxcQEmtRuKDTTk=",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "9a049b4a421076d27fee3eec664a18b2066824cb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "master",
+        "repo": "nixos-hardware",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1744932701,
@@ -39,6 +55,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -1,6 +1,7 @@
 {
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -11,6 +12,7 @@
     {
       self,
       nixpkgs,
+      nixos-hardware,
       home-manager,
     }@inputs:
     let

host/c2/default.nix

@@ -1,14 +1,26 @@
-{ mod, ... }:
+{ mod, inputs, ... }:
 {
   networking.hostName = "c2";
 
-  imports = with mod; [
+  imports =
-    collections.pc-common
+    with mod;
-    ./hardware-configuration.nix
+    [
-  ];
+      collections.pc-common
+      ./hardware-configuration.nix
+    ]
+    ++ (with inputs.nixos-hardware.nixosModules; [
+      common-cpu-intel
+      common-pc-laptop
+      common-pc-laptop-ssd
+    ]);
 
   boot.loader.efi.efiSysMountPoint = "/boot/efi";
 
+  powerManagement = {
+    enable = true;
+    cpuFreqGovernor = "ondemand";
+  };
+
   # ====== DON'T CHANGE ======
   system.stateVersion = "25.05";
 }