vrr patch

vrr patch

flake.lock

@@ -138,6 +138,28 @@
         "type": "github"
       }
     },
+    "home-manager_2": {
+      "inputs": {
+        "nixpkgs": [
+          "plasma-manager",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1710888565,
+        "narHash": "sha256-s9Hi4RHhc6yut4EcYD50sZWRDKsugBJHSbON8KFwoTw=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "f33900124c23c4eca5831b9b5eb32ea5894375ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-23.11",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "jujutsu": {
       "inputs": {
         "flake-utils": "flake-utils_2",
@@ -285,6 +307,27 @@
         "type": "indirect"
       }
     },
+    "plasma-manager": {
+      "inputs": {
+        "home-manager": "home-manager_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1711295162,
+        "narHash": "sha256-gPTTYKvdnmaLcgOSpqtKHIf8J60J3Z4jAqXTwluxxUk=",
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "rev": "8a032af55ed686ab21e60530080462a1438812b9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "helix": "helix",
@@ -293,7 +336,8 @@
         "nixos-cosmic": "nixos-cosmic",
         "nixos-hardware": "nixos-hardware",
         "nixos-raspberrypi": "nixos-raspberrypi",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_2",
+        "plasma-manager": "plasma-manager"
       }
     },
     "rust-overlay": {

systems/NOlaptop.nix

@@ -1,4 +1,12 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  config,
+  ...
+}: let
+  amdgpu-kernel-module = pkgs.callPackage ./vrr_patch.nix {
+    kernel = config.boot.kernelPackages.kernel;
+  };
+in {
   environment.systemPackages = with pkgs; [
     # prescurve
     libinput
@@ -45,6 +53,34 @@
   services.xserver.displayManager.defaultSession = "plasma";
   services.xserver.displayManager.sddm.wayland.enable = true;
 
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "sd_mod"
+    "thunderbolt"
+    "usb_storage"
+    "xhci_pci"
+    "usbhid"
+    "uas"
+  ];
+  boot.kernelParams = [
+    # "mem_sleep_default=deep"
+    # "nvme.noacpi=1"
+  ];
+  boot.kernelModules = ["kvm-amd"];
+  boot.extraModulePackages = [
+    (amdgpu-kernel-module.overrideAttrs (_: {
+      patches = [
+        (pkgs.fetchurl {
+          url = "https://gitlab.freedesktop.org/agd5f/linux/-/commit/2f14c0c8cae8e9e3b603a3f91909baba66540027.diff";
+          hash = "sha256-0++twr9t4AkJXZfj0aHGMVDuOhxtLP/q2d4FGfggnww=";
+        })
+      ];
+    }))
+  ];
+  powerManagement.cpuFreqGovernor = "powersave";
+  systemd.sleep.extraConfig = "HibernateDelaySec=180m";
+
   fileSystems."/home/tao/games" = {
     device = "/dev/disk/by-uuid/d97a81dc-669c-41d1-912b-829f88fd6f69";
     fsType = "btrfs";
@@ -66,23 +102,5 @@
   };
   swapDevices = [{device = "/dev/disk/by-uuid/36216521-db46-4bb0-8994-38a36d5c4528";}];
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
-  boot.initrd.availableKernelModules = [
-    "nvme"
-    "sd_mod"
-    "thunderbolt"
-    "usb_storage"
-    "xhci_pci"
-    "usbhid"
-    "uas"
-  ];
-  boot.kernelParams = [
-    # "mem_sleep_default=deep"
-    # "nvme.noacpi=1"
-  ];
-  boot.kernelModules = ["kvm-amd"];
-  powerManagement.cpuFreqGovernor = "powersave";
-  systemd.sleep.extraConfig = "HibernateDelaySec=180m";
-
   networking.hostName = "NOlaptop";
 }

systems/vrr_patch.nix

@@ -0,0 +1,38 @@
+{
+  pkgs,
+  lib,
+  kernel ? pkgs.linuxPackages_latest.kernel,
+}:
+pkgs.stdenv.mkDerivation {
+  pname = "amdgpu-kernel-module";
+  inherit (kernel) src version postPatch nativeBuildInputs;
+
+  kernel_dev = kernel.dev;
+  kernelVersion = kernel.modDirVersion;
+
+  modulePath = "drivers/gpu/drm/amd/amdgpu";
+
+  buildPhase = ''
+    BUILT_KERNEL=$kernel_dev/lib/modules/$kernelVersion/build
+
+    cp $BUILT_KERNEL/Module.symvers .
+    cp $BUILT_KERNEL/.config        .
+    cp $kernel_dev/vmlinux          .
+
+    make "-j$NIX_BUILD_CORES" modules_prepare
+    make "-j$NIX_BUILD_CORES" M=$modulePath modules
+  '';
+
+  installPhase = ''
+    make \
+      INSTALL_MOD_PATH="$out" \
+      XZ="xz -T$NIX_BUILD_CORES" \
+      M="$modulePath" \
+      modules_install
+  '';
+
+  meta = {
+    description = "AMD GPU kernel module";
+    license = lib.licenses.gpl3;
+  };
+}