From 5f0db06d9946c2fe68324abd33187f7b3bf80bfe Mon Sep 17 00:00:00 2001
From: Jack O'Sullivan <jackos1998@gmail.com>
Date: Sun, 23 Apr 2023 20:22:53 +0100
Subject: [PATCH] nixos/castle: Enable AMD pstate driver

---
 nixos/boxes/castle/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/boxes/castle/default.nix b/nixos/boxes/castle/default.nix
index 1ec4d17..56fa0ff 100644
--- a/nixos/boxes/castle/default.nix
+++ b/nixos/boxes/castle/default.nix
@@ -27,7 +27,7 @@
           };
           kernelPackages = pkgs.linuxKernel.packages.linux_6_2;
           kernelModules = [ "kvm-amd" ];
-          kernelParams = [ "amd_iommu=on" ];
+          kernelParams = [ "amd_iommu=on" "amd_pstate=passive" ];
           kernelPatches = [
             # {
             #   # https://gitlab.freedesktop.org/drm/amd/-/issues/2354