From 7f5373b5f1b826c0ef301537b0e2e7ea08acbda5 Mon Sep 17 00:00:00 2001
From: Kleidi Bujari <mail@4kb.net>
Date: Sun, 11 Jan 2026 11:02:19 -0800
Subject: amdgpu control for undervolting

---
 machines/t1.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/machines/t1.nix b/machines/t1.nix
index c437093..1e235fb 100644
--- a/machines/t1.nix
+++ b/machines/t1.nix
@@ -66,12 +66,15 @@ in
   services = {
     trezord.enable = true;
     guix.enable = true;
+    lact.enable = true;
   };
 
   services.udev.packages = [ pkgs.ddcutil ];
   environment.shellAliases.b = "${pkgs.ddcutil}/bin/ddcutil setvcp 10";
   boot.kernelModules = [ "i2c-dev" ];
 
+  hardware.amdgpu.overdrive.enable = true;
+
   environment.systemPackages = with pkgs; [
     ddcutil
     prismlauncher
-- 
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