c2: hw tuning

host/c2/default.nix

@@ -1,14 +1,26 @@
-{ mod, ... }:
+{ mod, inputs, ... }:
 {
   networking.hostName = "c2";
 
-  imports = with mod; [
-    collections.pc-common
-    ./hardware-configuration.nix
-  ];
+  imports =
+    with mod;
+    [
+      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";
 }