From 278e6c354a7f5b19465641144784c5e22a01c4db Mon Sep 17 00:00:00 2001
From: lassulus <git@lassul.us>
Date: Mon, 6 Feb 2023 12:49:09 +0100
Subject: l aergia.r: add more power managment stuff

---
 lass/1systems/aergia/physical.nix | 49 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 43 insertions(+), 6 deletions(-)

diff --git a/lass/1systems/aergia/physical.nix b/lass/1systems/aergia/physical.nix
index de5f7540..6200bbfc 100644
--- a/lass/1systems/aergia/physical.nix
+++ b/lass/1systems/aergia/physical.nix
@@ -20,15 +20,37 @@
   boot.kernelParams = [
     # Enable energy savings during sleep
     "mem_sleep_default=deep"
-    "initcall_blacklist=acpi_cpufreq_init"
+
+    "amd_pstate=passive"
 
     # for ryzenadj -i
     "iomem=relaxed"
   ];
 
-  # Enables the amd cpu scaling https://www.kernel.org/doc/html/latest/admin-guide/pm/amd-pstate.html
-  # On recent AMD CPUs this can be more energy efficient.
-  boot.kernelModules = [ "amd-pstate" "kvm-amd" ];
+  boot.kernelModules = [
+    # Enables the amd cpu scaling https://www.kernel.org/doc/html/latest/admin-guide/pm/amd-pstate.html
+    # On recent AMD CPUs this can be more energy efficient.
+    "amd-pstate"
+    "kvm-amd"
+
+    # needed for zenstates
+    "msr"
+
+    # zenpower
+    "zenpower"
+  ];
+
+  boot.extraModulePackages = [
+    (config.boot.kernelPackages.zenpower.overrideAttrs (old: {
+      src = pkgs.fetchFromGitea {
+        domain = "git.exozy.me";
+        owner = "a";
+        repo = "zenpower3";
+        rev = "c176fdb0d5bcba6ba2aba99ea36812e40f47751f";
+        hash = "sha256-d2WH8Zv7F0phZmEKcDiaak9On+Mo9bAFhMulT/N5FWI=";
+      };
+    }))
+  ];
 
   # hardware.cpu.amd.updateMicrocode = true;
 
@@ -36,7 +58,16 @@
     "amdgpu"
   ];
 
-  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "thunderbolt"
+    "xhci_pci"
+    "usbhid"
+  ];
+
+  boot.initrd.kernelModules = [
+    "amdgpu"
+  ];
 
   environment.systemPackages = [
     pkgs.vulkan-tools
@@ -54,7 +85,13 @@
   hardware.video.hidpi.enable = lib.mkDefault true;
 
   # corectrl
-  programs.corectrl.enable = true;
+  programs.corectrl = {
+    enable = true;
+    gpuOverclock = {
+      enable = true;
+      ppfeaturemask = "0xffffffff";
+    };
+  };
   users.users.mainUser.extraGroups = [ "corectrl" ];
 
   # use newer ryzenadj
-- 
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