[flake lock update]

- patch PPD to properly set the powersave level for the spu as well
- enable adaptive backlight management at lowest level

inspired by 1cbeaa156b/packages/default.nix

common/packages.nix

@@ -1,6 +1,8 @@
-{ pkgs, config, ... }:
+{ lib, pkgs, config, ... }:
 
 { 
+  # take overlays from flake
+  nixpkgs.overlays = lib.attrValues config.inputInjection.flake-inputs.self.overlays;
   # List packages installed in system profile.
   environment.systemPackages = with pkgs; [
     wget

flake.lock

@@ -74,22 +74,6 @@
       "inputs": {
         "systems": "systems"
       },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "path": "/nix/store/pgid9c9xfcrbqx2giry0an0bi0df7s5c-source",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "path"
-      },
-      "original": {
-        "id": "flake-utils",
-        "type": "indirect"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
       "locked": {
         "lastModified": 1681202837,
         "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
@@ -152,7 +136,7 @@
         "crane": "crane",
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix",
         "rust-overlay": "rust-overlay"
@@ -222,11 +206,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1707092692,
-        "narHash": "sha256-ZbHsm+mGk/izkWtT4xwwqz38fdlwu7nUUKXTOmm4SyE=",
+        "lastModified": 1707546158,
+        "narHash": "sha256-nYYJTpzfPMDxI8mzhQsYjIUX+grorqjKEU9Np6Xwy/0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "faf912b086576fd1a15fca610166c98d47bc667e",
+        "rev": "d934204a0f8d9198e1e4515dd6fec76a139c87f0",
         "type": "github"
       },
       "original": {
@@ -270,11 +254,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1707238373,
-        "narHash": "sha256-WKxT0yLzWbFZwYi92lI0yWJpYtRaFSWHGX8QXzejapw=",
+        "lastModified": 1707650010,
+        "narHash": "sha256-dOhphIA4MGrH4ElNCy/OlwmN24MsnEqFjRR6+RY7jZw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fb0c047e30b69696acc42e669d02452ca1b55755",
+        "rev": "809cca784b9f72a5ad4b991e0e7bcf8890f9c3a6",
         "type": "github"
       },
       "original": {
@@ -332,7 +316,6 @@
     },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",
         "logseq-fix-nixpkgs": "logseq-fix-nixpkgs",
@@ -399,24 +382,9 @@
         "type": "github"
       }
     },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
     "utils": {
       "inputs": {
-        "systems": "systems_3"
+        "systems": "systems_2"
       },
       "locked": {
         "lastModified": 1705309234,

flake.nix

@@ -26,10 +26,10 @@
   };
 
   outputs = 
-  { self, nixpkgs, nur, lanzaboote, flake-utils, home-manager, ... }@inputs: 
+  { self, nixpkgs, nur, lanzaboote, utils, home-manager, ... }@inputs: 
   let
     # FIXME: allow different systems
-    systems = flake-utils.lib.system;
+    systems = utils.lib.system;
     # necessary to make the top-level inputs available to system configuration
     # inspired by https://jade.fyi/blog/flakes-arent-real/
     inputInjection = {pkgs, lib, ...}: {
@@ -74,10 +74,24 @@
     };
   in
   {
+    overlays.default = import ./packages;
     nixosConfigurations = {
       thinknix = mkSystem systems.x86_64-linux [ ./hosts/thinknix inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t440s lanzaboote.nixosModules.lanzaboote ];
       framenix = mkSystem systems.x86_64-linux [ ./hosts/framenix inputs.nixos-hardware.nixosModules.framework-13-7040-amd lanzaboote.nixosModules.lanzaboote ];
     };
     homeConfigurations.spiollinux = mkHomeManager "spiollinux" "spiollinux" systems.x86_64-linux;
-  };
+  } // utils.lib.eachDefaultSystem(system:
+    let
+      nixpkgs = import inputs.nixpkgs {
+        inherit system;
+        overlays = nixpkgs.lib.attrValues self.overlays;
+      };
+      pkgs = inputs.nixpkgs.legacyPackages.${system};
+    in {
+      devShells.default = pkgs.mkShell {
+        buildInputs = [];
+      };
+      # expose nixpkgs with overlay; TODO: figure out role of config
+      #legacyPackages = nixpkgs;
+    });
 }

hosts/framenix/default.nix

@@ -38,8 +38,13 @@ in
     }
     ];
 
-  # temporary workaround for white flickering graphics artefacts
-  boot.kernelParams = [ "amdgpu.sg_display=0" ];
+  boot.kernelParams = [ 
+    # temporary workaround for white flickering graphics artefacts
+    "amdgpu.sg_display=0"
+    # powersave
+    "amd_pstate=active"
+    "amdgpu.abmlevel=1" # adaptive backlight management
+  ];
 
   boot.loader = {
     systemd-boot.enable = true;

packages/default.nix

@@ -0,0 +1,12 @@
+final: prev: {
+  power-profiles-daemon = prev.power-profiles-daemon.overrideAttrs (old: {
+    patches = [
+      # patch for AMD pstate CPUs
+      (final.fetchpatch {
+        url = "https://gitlab.freedesktop.org/upower/power-profiles-daemon/-/merge_requests/127.patch";
+        sha256 = "sha256-CneqixlpZx9iZ0PM5MFIutsvnqKrLlM7FHOHUA/MK6g=";
+      })
+    ];
+  });
+
+}