From 069703605e234c52f8c77af4486e8c240da4b920 Mon Sep 17 00:00:00 2001
From: Quentin Boyer <quentin+dev@familleboyer.net>
Date: Wed, 24 Jul 2024 20:42:19 +0200
Subject: [PATCH] hostconfig/gandalf: Optimize battery usage

---
 hostconfig/gandalf/nixos.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/hostconfig/gandalf/nixos.nix b/hostconfig/gandalf/nixos.nix
index 918e75a..a42ba2f 100644
--- a/hostconfig/gandalf/nixos.nix
+++ b/hostconfig/gandalf/nixos.nix
@@ -3,6 +3,26 @@
   boot.loader.efi.canTouchEfiVariables = true;
   boot.kernelParams = [ "amd_pstate=active" ];
 
+  powerManagement = {
+    enable = true;
+    powertop.enable = true;
+  };
+  services.auto-cpufreq = {
+    enable = true;
+    settings = {
+      battery = {
+        governor = "powersave";
+        energy_performance_preference = "power";
+        turbo = "never";
+      };
+      charger = {
+        governor = "performance";
+        energy_performance_preference = "performance";
+        turbo = "auto";
+      };
+    };
+  };
+
   networking.hostName = "gandalf";
   networking.networkmanager.enable = true;