From 44861481073bc3cdad0a5c7794c77f60e42d5ba1 Mon Sep 17 00:00:00 2001
From: Raghuram Subramani <raghus2247@gmail.com>
Date: Mon, 11 Mar 2024 20:53:34 +0530
Subject: update

---
 machines/x/configuration.nix | 10 ++++++++++
 modules/amd.nix              |  2 +-
 modules/amdgpu.nix           |  6 ++++--
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/machines/x/configuration.nix b/machines/x/configuration.nix
index 8f31309..62c119e 100644
--- a/machines/x/configuration.nix
+++ b/machines/x/configuration.nix
@@ -27,6 +27,16 @@
   nixpkgs.config.allowUnfree = true;
   nixpkgs.config.allowUnfreePredicate = _: true;
 
+  services.fstrim.enable = true;
+
+  services.tlp = {
+    enable = true;
+    settings = {
+      CPU_SCALING_GOVERNOR_ON_AC = "performance";
+      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+    }
+  }
+
   networking.hostName = "x";
 
   home-manager.users.compromyse = import ./home.nix;
diff --git a/modules/amd.nix b/modules/amd.nix
index 6ec3e2b..e16e3e9 100644
--- a/modules/amd.nix
+++ b/modules/amd.nix
@@ -3,6 +3,6 @@ let
   kver = config.boot.kernelPackages.kernel.version;
 in
 {
-  boot.kernelParams = [ "amd_pstate=active" ];
+  boot.kernelParams = [ "amd_pstate=active" "amd_iommu=on" ];
   hardware.cpu.amd.updateMicrocode = config.hardware.enableRedistributableFirmware;
 }
diff --git a/modules/amdgpu.nix b/modules/amdgpu.nix
index a8367cc..6c1f109 100644
--- a/modules/amdgpu.nix
+++ b/modules/amdgpu.nix
@@ -18,10 +18,12 @@
     driversi686Linux.amdvlk
   ];
 
-  services.xserver.videoDrivers = [ "amdgpu" ];
-  boot.initrd.kernelModules = [ "amdgpu" ];
+  services.xserver.videoDrivers = [ "modesetting" ];
 
   systemd.tmpfiles.rules = [
     "L+    /opt/rocm/hip   -    -    -     -    ${pkgs.rocmPackages.clr}"
   ];
+
+  boot.kernelPackages = pkgs.linuxPackages_zen;
+  boot.kernelParams = [ "pcie_acs_override=downstream,multifunction"];
 }
-- 
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