diff --git a/machines/loki/configuration.nix b/machines/loki/configuration.nix
index 0ebf66f..5d8f384 100644
--- a/machines/loki/configuration.nix
+++ b/machines/loki/configuration.nix
@@ -25,7 +25,7 @@
     base = {
       plymouth.enable = true;
       work = false;
-      kernel = pkgs.linuxKernel.packages.linux_6_0;
+      kernel = pkgs.linuxKernel.packages.linux_6_1;
       udev-rules = {
         qmk = true;
         solo2 = true;
@@ -262,6 +262,7 @@
   programs.ssh.startAgent = true;
 
   services.envfs.enable = true;
+  services.cpupower-gui.enable = true;
 
   services.sunshine = {
     enable = true;
@@ -269,11 +270,14 @@
     openFirewall = true;
   };
 
-  powerManagement.powerUpCommands = ''
-    ${pkgs.powertop}/bin/powertop --auto-tune
-    ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.2/power/control # Logitech G502 HERO SE
-    ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.1/power/control # splitkb Kyria rev1
-  '';
+  powerManagement = {
+    powerUpCommands = ''
+      ${pkgs.powertop}/bin/powertop --auto-tune
+      ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.2/power/control # Logitech G502 HERO SE
+      ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.1/power/control # splitkb Kyria rev1
+    '';
+    cpuFreqGovernor = "ondemand";
+  };
 
   services.nfs.server = {
     enable = true;
diff --git a/machines/loki/hardware-configuration.nix b/machines/loki/hardware-configuration.nix
index 287cad6..93639fa 100644
--- a/machines/loki/hardware-configuration.nix
+++ b/machines/loki/hardware-configuration.nix
@@ -1,16 +1,10 @@
-{ config
-, lib
-, ...
-}: {
+{ config, lib, ... }: {
   boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" "apple-mfi-fastcharge" "zenpower" "nf_nat_ftp" ];
+  boot.kernelParams = [ "amd_pstate.shared_mem=1" ];
   boot.extraModulePackages = [ ] ++
-    (with config.boot.kernelPackages; [ rtl88x2bu zenpower ]);
-
-  boot.extraModprobeConfig = ''
-    options amd-pstate shared_mem=true
-  '';
+    (with config.boot.kernelPackages; [ rtl88x2bu zenpower cpupower ]);
 
   fileSystems."/" = {
     device = "/dev/disk/by-uuid/42065c7e-d0aa-4de8-a913-014cf59d48ac";
@@ -32,6 +26,9 @@
   # high-resolution display
   hardware.video.hidpi.enable = lib.mkDefault true;
 
-  # Enable firmware 
+  # Enable firmware
   hardware.enableAllFirmware = true;
+
+  # i2c support
+  hardware.i2c.enable = true;
 }
diff --git a/modules/base/default.nix b/modules/base/default.nix
index f2eb512..80fe6f2 100644
--- a/modules/base/default.nix
+++ b/modules/base/default.nix
@@ -73,6 +73,7 @@ in
 
     environment.systemPackages = with pkgs; [
       clinfo
+      config.boot.kernelPackages.cpupower
       dig
       du-dust
       file
@@ -82,6 +83,8 @@ in
       moreutils
       nix-template
       nvd
+      s-tui
+      stress
       usbutils
       xh
       zip
diff --git a/users/erwin/default.nix b/users/erwin/default.nix
index c6a0a32..c38ec6c 100644
--- a/users/erwin/default.nix
+++ b/users/erwin/default.nix
@@ -25,7 +25,8 @@ in
     users.users.erwin = {
       isNormalUser = true;
       home = "/home/erwin";
-      extraGroups = [ "wheel" "adm" "audio" "video" "dialout" "input" ];
+      extraGroups = [ "wheel" "adm" "audio" "video" "dialout" "input" ]
+        ++ (optional config.hardware.i2c.enable config.hardware.i2c.group);
       shell = pkgs.fish;
       openssh.authorizedKeys.keyFiles = [
         (pkgs.fetchurl {
diff --git a/users/erwin/home.nix b/users/erwin/home.nix
index 3b931d3..41e50de 100644
--- a/users/erwin/home.nix
+++ b/users/erwin/home.nix
@@ -238,6 +238,8 @@ in
       programs.steam.enable = true;
       programs.bandwhich.enable = true;
 
+      services.ddccontrol.enable = true;
+
       programs.wireshark = {
         enable = true;
         package = pkgs.wireshark;