From a45c4551712c1ba5cb82eaf290f311ab0e8690e4 Mon Sep 17 00:00:00 2001
From: Collin Williams <96917990+bluedragon1221@users.noreply.github.com>
Date: Mon, 9 Jun 2025 17:40:46 +0000
Subject: big changes

---
 hosts/mercury/battery.nix | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 hosts/mercury/battery.nix

(limited to 'hosts/mercury/battery.nix')

diff --git a/hosts/mercury/battery.nix b/hosts/mercury/battery.nix
new file mode 100644
index 0000000..ff7e59e
--- /dev/null
+++ b/hosts/mercury/battery.nix
@@ -0,0 +1,47 @@
+{pkgs, ...}: {
+  # auto-cpufreq
+  services.power-profiles-daemon.enable = false; # conflicts with auto-cpufreq
+  services.tlp.enable = false; # conflicts with auto-cpufreq
+  services.thermald.enable = true; # does not conflict, recomended to run with auto-cpufreq
+  services.auto-cpufreq = {
+    enable = true;
+    settings = {
+      charger = {
+        governor = "performance";
+        energy_performance_preference = "performance";
+        turbo = "auto";
+      };
+      battery = {
+        governor = "powersave";
+        energy_performance_preference = "power";
+        turbo = "never";
+      };
+    };
+  };
+
+  # Undervolt
+  services.undervolt = {
+    enable = true;
+    useTimer = false;
+    # power-limit-long
+    p1 = {
+      window = 1; # no clue what this means
+      limit = 40;
+    };
+
+    # power-limit-short
+    p2 = {
+      window = 1;
+      limit = 50;
+    };
+
+    coreOffset = -50; # also applied to cache
+    gpuOffset = -10;
+  };
+
+  # environment.systemPackages = with pkgs; [
+  #   undervolt
+  #   s-tui
+  #   stress
+  # ];
+}
-- 
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