Switch to sddm to fix gdm regression causing plasma x11 to not work properly

flake.lock

@@ -9,11 +9,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1772290697,
-        "narHash": "sha256-MyLNx13P+pv1RszO1rMd3144NEeU/oU4iL+xOTpRoaU=",
+        "lastModified": 1779903856,
+        "narHash": "sha256-uRShMtD6xW3ZKZbCQ6sDzKWEnbBXUg3IGfOARYogKhg=",
         "owner": "ezKEa",
         "repo": "aagl-gtk-on-nix",
-        "rev": "dcb53a4cb4cb09ef7f08328428ba559be5b9f01b",
+        "rev": "50671fc7f29d686f63ef34b603320d44ad7f2d29",
         "type": "github"
       },
       "original": {
@@ -46,11 +46,11 @@
     "cachyos-kernel": {
       "flake": false,
       "locked": {
-        "lastModified": 1773425695,
-        "narHash": "sha256-O5Fr6f+iS+IVKdB59yqkCaWfkr1SSHD5BLDDlZO7RwU=",
+        "lastModified": 1779781360,
+        "narHash": "sha256-02SR7VL4wc57NCVMhyVgz6/SVfyGv7mc4h+SmgR2I8g=",
         "owner": "CachyOS",
         "repo": "linux-cachyos",
-        "rev": "3b9ae1ae5d4ee95e1509d350b65c0777dde97628",
+        "rev": "c7cb822e8ee91d993052becf2661b6f26f98eaa2",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
     "cachyos-kernel-patches": {
       "flake": false,
       "locked": {
-        "lastModified": 1773430072,
-        "narHash": "sha256-0X47YCF1CUnLiQ1M6Lh4hc3ax9aV5DX/wCmMfuMyM1o=",
+        "lastModified": 1779618819,
+        "narHash": "sha256-/cGZZCyJZS1QATHi+/2Q32NkjrYN2N2PpgFP8Ak4FJc=",
         "owner": "CachyOS",
         "repo": "kernel-patches",
-        "rev": "ac70453c25200f0a30ad38b3caa63020869f0f8a",
+        "rev": "668b466fb461409329425b50c4a9d8d2c022a739",
         "type": "github"
       },
       "original": {
@@ -196,11 +196,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1772408722,
-        "narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
+        "lastModified": 1778716662,
+        "narHash": "sha256-m1Yf0wZ8j1OHjTc2UwHwyQRSnNeSgLJOd7q5Y45hzi4=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
+        "rev": "f7c1a2d347e4c52d5fb8d10cb4d94b5884e546fb",
         "type": "github"
       },
       "original": {
@@ -313,11 +313,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773681856,
-        "narHash": "sha256-+bRqxoFCJFO9ZTFhcCkzNXbDT3b8AEk88fyjB7Is6eo=",
+        "lastModified": 1779969295,
+        "narHash": "sha256-HwIJ3tOcwSMiV75L7KqJXciXR9UfT+d7rwOZMX7cTnA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "57d5560ee92a424fb71fde800acd6ed2c725dfce",
+        "rev": "61e2c9659324181e0f0ed911958c536333b1d4f6",
         "type": "github"
       },
       "original": {
@@ -334,11 +334,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773422513,
-        "narHash": "sha256-MPjR48roW7CUMU6lu0+qQGqj92Kuh3paIulMWFZy+NQ=",
+        "lastModified": 1778805320,
+        "narHash": "sha256-nGFJ01m2CTBKD4ABtcY4vLhHrRN91LKr/pn41PcU78A=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "ef12a9a2b0f77c8fa3dda1e7e494fca668909056",
+        "rev": "9846abe15e7d0d36b8acbd4d05f2b87461744c92",
         "type": "github"
       },
       "original": {
@@ -379,14 +379,14 @@
         "cachyos-kernel-patches": "cachyos-kernel-patches",
         "flake-compat": "flake-compat_3",
         "flake-parts": "flake-parts_2",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1773597464,
-        "narHash": "sha256-3SVrc1AMkY1UE36MD4qvmTkY/ZToK2F55Afut5Qm5F8=",
+        "lastModified": 1779910731,
+        "narHash": "sha256-BSu/X9EyAyAPOjXsuwED4j4IeduP/5KVjTwiQSLkdik=",
         "owner": "xddxdd",
         "repo": "nix-cachyos-kernel",
-        "rev": "30468236d5cdd9cb5dea6e757159e04816439146",
+        "rev": "a2cdbecf6abb1a1180bf9fe5c3028125416621f1",
         "type": "github"
       },
       "original": {
@@ -404,11 +404,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773603777,
-        "narHash": "sha256-oXSEbMR/IuHYk9nvrbRhaYBxVK5s63DH2UGOZT2ok48=",
+        "lastModified": 1777732699,
+        "narHash": "sha256-2uX/XtOWZ/oy2rerRynVhqVA//ZXZ3Fo60PikLHEPQc=",
         "owner": "nix-community",
         "repo": "NixOS-WSL",
-        "rev": "0efe7af73d6e4a8d447a22936c5526d73822b0a7",
+        "rev": "5482f113fd31ebac131d1ebeb2ae90bf0d5e41f5",
         "type": "github"
       },
       "original": {
@@ -420,27 +420,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1744536153,
-        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "lastModified": 1779894193,
+        "narHash": "sha256-2PixoQSj9hdtoXTu0ZxdI0cmAE6GUUjCODG+rtC1wDc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "rev": "a09ffe51cfdc37950f14286593605ce64f76cc93",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1772328832,
-        "narHash": "sha256-e+/T/pmEkLP6BHhYjx6GmwP5ivonQQn0bJdH9YrRB+Q=",
+        "lastModified": 1777168982,
+        "narHash": "sha256-GOkGPcboWE9BmGCRMLX3worL4EMnsnG8MyKmXNeYuhQ=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "c185c7a5e5dd8f9add5b2f8ebeff00888b070742",
+        "rev": "f5901329dade4a6ea039af1433fb087bd9c1fe14",
         "type": "github"
       },
       "original": {
@@ -451,27 +451,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1773563071,
-        "narHash": "sha256-p4f6smYpck1hw6gYsT2omq01gnlZ1E7HTpssDQ0fP+g=",
+        "lastModified": 1779560665,
+        "narHash": "sha256-tpyBcxPpcQb8ukyNF7DoCwfSY3VPsxHoYwj00Cayv5o=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1c6f50e5b62030a50799682b6babc9dcc5a271ae",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1773646010,
-        "narHash": "sha256-iYrs97hS7p5u4lQzuNWzuALGIOdkPXvjz7bviiBjUu8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "5b2c2d84341b2afb5647081c1386a80d7a8d8605",
+        "rev": "64c08a7ca051951c8eae34e3e3cb1e202fe36786",
         "type": "github"
       },
       "original": {
@@ -516,23 +500,25 @@
         "lanzaboote": "lanzaboote",
         "nix-cachyos-kernel": "nix-cachyos-kernel",
         "nixos-wsl": "nixos-wsl",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_2",
         "snowfall-lib": "snowfall-lib",
         "sops-nix": "sops-nix",
-        "trilium-next-pr": "trilium-next-pr",
         "zen-browser": "zen-browser"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": [
+          "aagl",
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1770952264,
-        "narHash": "sha256-CjymNrJZWBtpavyuTkfPVPaZkwzIzGaf0E/3WgcwM14=",
+        "lastModified": 1777605393,
+        "narHash": "sha256-Hjp0VOOHgHcTrX23iVvnfAudPcuCmfkfpQNFwv2v/ks=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "ec6a3d5cdf14bb5a1dd03652bd3f6351004d2188",
+        "rev": "ff88db34cfa486fc4964a6991cab1678d82eee8c",
         "type": "github"
       },
       "original": {
@@ -591,11 +577,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773698643,
-        "narHash": "sha256-VCiDjE8kNs8uCAK73Ezk1r3fFuc4JepvW07YFqaN968=",
+        "lastModified": 1777944972,
+        "narHash": "sha256-VfGRo1qTBKOe3s2gOv8LSoA6Fk19PvBlwQ1ECN0Evn8=",
         "owner": "mic92",
         "repo": "sops-nix",
-        "rev": "8237de83e8200d16fe0c4467b02a1c608ff28044",
+        "rev": "c591bf665727040c6cc5cb409079acb22dcce33c",
         "type": "github"
       },
       "original": {
@@ -634,22 +620,6 @@
         "type": "github"
       }
     },
-    "trilium-next-pr": {
-      "locked": {
-        "lastModified": 1736678965,
-        "narHash": "sha256-2A687i3Rq0/wqJVvpgaiRPWcfnBBuBhPjKaT8cnd7o0=",
-        "owner": "FliegendeWurst",
-        "repo": "nixpkgs",
-        "rev": "4fcdf706929246476e52e960760b6643cb8395c4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "FliegendeWurst",
-        "ref": "trilium-next",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "zen-browser": {
       "inputs": {
         "home-manager": "home-manager_2",
@@ -658,11 +628,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773695806,
-        "narHash": "sha256-HYmp4Ym/dlkRIPap7GFznNUNuDTTW0iIcOtHmhRzl3w=",
+        "lastModified": 1779955179,
+        "narHash": "sha256-cHrbJ8pZrsFWUTJVk7AxWiEg5eiZptPQxtT0YXMIENo=",
         "owner": "0xc000022070",
         "repo": "zen-browser-flake",
-        "rev": "ced61240cc38dee9e659a7ced0cd9a839c6085d3",
+        "rev": "c341e3f6516fb1286d25b99d34b111f93028ae87",
         "type": "github"
       },
       "original": {

flake.nix

@@ -30,10 +30,6 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    trilium-next-pr = {
-      url = "github:FliegendeWurst/nixpkgs/trilium-next";
-      # Don't follow nixpkgs as this repo has its own pinned nixpkgs
-    };
     anikki = {
       url = "github:Hion-V/Anikki-flake";
       inputs.nixpkgs.follows = "nixpkgs";

modules/nixos/desktop-environment/default.nix

@@ -55,8 +55,19 @@ in {
       services.displayManager.autoLogin.enable = false;
       networking.firewall.allowedTCPPorts = [ 
         3389 
-        3390 
+        3390
       ];
+
+      # users.users.andreas.extraGroups = [ "sambashare" ];    
+      # Enable Avahi (mDNS/DNS-SD) for discovery
+      services.avahi = {
+        enable = true;
+        nssmdns4 = true;
+        openFirewall = true;
+      };
+      # Enable GNOME sharing services
+      services.gnome.gnome-user-share.enable = true;
+
       environment.systemPackages = with pkgs; [
         gnome-tweaks
         gnome-software
@@ -85,6 +96,16 @@ in {
     (lib.mkIf cfg.kde.enable {
       services.xserver.enable = true;
       services.desktopManager.plasma6.enable = true;
+      environment.sessionVariables = {
+        # Forces KWin to use the legacy DRM interface so "Allow Tearing" actually works
+        # KWIN_DRM_NO_AMS = "1";
+        # Disables the new triple buffering in Plasma 6.1+ to reduce latency
+        # KWIN_DRM_DISABLE_TRIPLE_BUFFERING = "1";
+        # KWIN_USE_HWCURSOR = "0";
+        # KWIN_DRM_USE_EGL_STREAMS = "0";
+        # MESA_VK_WSI_PRESENT_MODE = "immediate";
+        # vblank_mode = "0";
+      };
       environment.systemPackages = with pkgs; [
         kdePackages.qtwebsockets
         kdePackages.qtwebchannel

modules/nixos/steam/default.nix

@@ -33,11 +33,11 @@
       lutris
       vkd3d
       dxvk
-      corefonts
       protontricks
       mangohud
       vkbasalt
       gamescope
+      corefonts
     ];
 
     hardware.uinput.enable = true;
@@ -52,14 +52,15 @@
         "-r" "172"
         "-e" # Enable steam integration
         "--steam"
+        "--prefer-outpout DP-4"
         "--prefer-vk-device 8086:e20b" # lspci -nn | grep VGA
       ];
       env = {
-        WLR_RENDERER = "vulkan";
-        DXVK_HDR = "0 ";
-        ENABLE_GAMESCOPE_WSI = "0";
-        WINE_FULLSCREEN_FSR = "1";
-        SDL_VIDEODRIVER = "wayland,x11"; # Games allegedly prefer X11
+        # WLR_RENDERER = "vulkan";
+        # DXVK_HDR = "0 ";
+        # ENABLE_GAMESCOPE_WSI = "0";
+        # WINE_FULLSCREEN_FSR = "1";
+        # SDL_VIDEODRIVER = "wayland,x11"; # Games allegedly prefer X11
       };
     };
     
@@ -68,10 +69,11 @@
       package = pkgs.steam.override {
         extraPkgs = pkgs: with pkgs; [
           gamemode
+          noto-fonts-color-emoji
         ];
         extraEnv = {
           # SDL_VIDEODRIVER = "wayland,x11";
-          SDL_VIDEODRIVER = "x11";
+          # SDL_VIDEODRIVER = "x11,wayland";
         };
       };
       remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play

overlays/libvirt-python313-fix/default.nix

@@ -1,28 +0,0 @@
-{ ... }:
-
-final: prev:
-let
-  python313ForCeph =
-    let
-      base = final.python313;
-    in
-    base
-    // {
-      override = args:
-        base.override (args // {
-          packageOverrides = self: super:
-            (if args ? packageOverrides then args.packageOverrides self super else { })
-            // {
-              # Ceph still references cython_0 in nixpkgs; map it to modern cython on py3.13.
-              cython_0 = super.cython;
-            };
-        });
-    };
-in {
-  # Work around nixos-unstable eval failure:
-  # sphinx-9.1.0 not supported for interpreter python3.11
-  # (seen through libvirtd -> qemu_full -> ceph Python dependency chain).
-  ceph = prev.ceph.override {
-    python311 = python313ForCeph;
-  };
-}

overlays/mbedtls-fix/default.nix

@@ -1,11 +0,0 @@
-{ ... }:
-
-final: prev: {
-  mbedtls_2 = prev.mbedtls_2.overrideAttrs (oldAttrs: {
-    doCheck = false;  # Skip failing PSA crypto tests
-  });
-  
-  haxe = prev.haxe.overrideAttrs (oldAttrs: {
-    buildInputs = (oldAttrs.buildInputs or []) ++ [ final.mbedtls_2 ];
-  });
-}

overlays/mesa-gcc/default.nix

@@ -0,0 +1,38 @@
+{ ... }:
+
+final: prev: {
+  mesa = (prev.mesa.overrideAttrs (old: rec {
+    version = "git-unstable-2026-05-07";
+    src = prev.fetchFromGitLab {
+      domain = "gitlab.freedesktop.org";
+      owner = "mesa";
+      repo = "mesa";
+      rev = "0f75fa5bfd29770128a412f1fcf5c4121f95e1bb";
+      hash = "sha256-9sqgro3Y+yctcueHEO0hNmySLNn9F1HP3lPqcIow0+k=";
+    };
+    patches = [];
+    buildInputs = old.buildInputs ++ (with prev.llvmPackages_21; [ 
+      clang-unwrapped
+      libclang
+    ]);
+    
+    # Create symlinks to clang libraries so meson can find them
+    preConfigure = (old.preConfigure or "") + ''
+      mkdir -p $NIX_BUILD_TOP/clang-libs
+      for lib in ${prev.llvmPackages_21.clang-unwrapped.lib}/lib/*.a; do
+        ln -sf "$lib" "$NIX_BUILD_TOP/clang-libs/"
+      done
+      export LIBRARY_PATH="$NIX_BUILD_TOP/clang-libs:''${LIBRARY_PATH:-}"
+      export CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
+    '';
+    
+    mesonFlags = 
+      (builtins.filter (flag: 
+        !(prev.lib.hasPrefix "-Dclang-libdir=" flag) &&
+        flag != "--sysconfdir=/etc"
+      ) old.mesonFlags) ++ [
+      "-Dsysconfdir=${placeholder "out"}/etc"
+    ] ++ (if prev.stdenv.hostPlatform.is64bit then [ "-Dintel-rt=enabled" ] else [ "-Dintel-rt=disabled" ]);
+  }));
+}
+

overlays/openldap-testfailure-fix/default.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+final: prev: {
+  openldap = prev.openldap.overrideAttrs {
+    doCheck = !prev.stdenv.hostPlatform.isi686;
+  };
+}

systems/x86_64-linux/drivebystation-nix/configuration.nix

@@ -47,9 +47,9 @@
 
   services = {
     # Enable Gnome Session
-    displayManager.gdm.enable = true;
-    displayManager.sddm.enable = false;
-    displayManager.sddm.wayland.enable = false;
+    displayManager.gdm.enable = false;
+    displayManager.sddm.enable = true;
+    displayManager.sddm.wayland.enable = true;
     displayManager.cosmic-greeter.enable = false;
     displayManager.defaultSession = "gnome";
     
@@ -139,7 +139,7 @@
     ntfs3g
     htop
     rivalcfg
-    
+    blender
     reaper
     discord
     betterdiscordctl
@@ -171,9 +171,7 @@
   virtualisation.libvirtd = {
     enable = true;
     qemu = {
-      package = pkgs.qemu_full.override {
-        cephSupport = false;
-      };
+      package = pkgs.qemu;
       runAsRoot = true;
       swtpm.enable = true;
       vhostUserPackages = [ pkgs.virtiofsd ];
@@ -196,13 +194,14 @@
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
 
-  # Open ports in the firewall.
+  # Open ports in the .
   networking.firewall.allowedTCPPorts = [
     24800 #Synergy
     53317 #localsend
     3390 #rdp
     9090
     8000
+    40122
   ];
   networking.firewall.allowedUDPPorts = [
     24800 #Synergy
@@ -210,6 +209,7 @@
     3390 #rdp
     9090
     8000
+    40122
   ];
   networking.firewall.trustedInterfaces = [ "virbr0" ];
   networking.nat = {
@@ -233,10 +233,28 @@
       }
     ];
   };
-
+  services.mullvad-vpn.enable = true;
+  services.mullvad-vpn.package = pkgs.mullvad-vpn;
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
 
+  fonts = {
+    packages = with pkgs; [
+      noto-fonts
+      noto-fonts-color-emoji
+    ];
+    fontconfig = {
+      enable = true;
+
+      defaultFonts = {
+        sansSerif = [ "DejaVu Sans" "Noto Color Emoji" ];
+        serif = [ "DejaVu Serif" "Noto Color Emoji" ];
+        monospace = [ "DejaVu Sans Mono" "Noto Color Emoji" ];
+        emoji = [ "Noto Color Emoji" ];
+      };
+    };
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

systems/x86_64-linux/drivebystation-nix/default.nix

@@ -45,6 +45,7 @@ in
       my-namespace.desktop-environment.xfce.enable = true;
       my-namespace.desktop-environment.gnome.enable = true;
       my-namespace.desktop-environment.kde.enable = true;
+      my-namespace.desktop-environment.hyprland.enable = true;
       my-namespace.desktop-environment.cosmic.enable = true;
       my-namespace.performance-tuning.enable = true;
       my-namespace.file-organization.enable = true;
@@ -68,7 +69,6 @@ in
           # Packages from inputsq
           inputs.game-of-life.packages.x86_64-linux.default
           inputs.zen-browser.packages.x86_64-linux.default
-          inputs.trilium-next-pr.legacyPackages.x86_64-linux.trilium-next-desktop
           inputs.anikki.packages.x86_64-linux.default
           # We want flatpak support
           flatpak
@@ -99,16 +99,20 @@ in
       # Open ports in the firewall.
       networking.firewall.allowedTCPPorts = [
         59010 #SoundWireServer
+        5001
+        11434
         3389 #RDP
         22 #ssh
       ];
       networking.firewall.allowedUDPPorts = [
         59010 #SoundWireServer
+        5001
+        11434
         3389 #RDP
         22 #ssh
       ];
       # Or disable the firewall altogether.
-      # networking.firewall.enable = false;
+      networking.firewall.enable = false;
 
 
       # Install firefox.

systems/x86_64-linux/drivebystation-nix/hardware/acer-monitor-edid.nix

@@ -1,7 +1,9 @@
 { config, lib, pkgs, ... }:
 {
   # boot.kernelParams = [ "drm.edid_firmware=DP-1:edid/edid.bin,DP-2:edid/edid.bin,DP-3:edid/edid.bin,DP-4:edid/edid.bin" ];
-  boot.kernelParams = [ "drm.edid_firmware=DP-2:edid/edid.bin" ];
+  boot.kernelParams = [ 
+    "drm.edid_firmware=DP-2:edid/edid.bin,DP-4:edid/edid.bin" 
+  ];
 
 
   hardware.firmware = [

systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel.nix

@@ -27,7 +27,7 @@
     "module_blacklist=nouveau,nvidia,nvidia_drm,nvidia_modeset,nvidia_uvm"
   ];
   services.switcherooControl.enable = true;
-  environment.variables.VK_ICD_FILENAMES = "/run/opengl-driver/share/vulkan/icd.d/intel_icd.x86_64.json";
+  # environment.variables.VK_ICD_FILENAMES = "/run/opengl-driver/share/vulkan/icd.d/intel_icd.x86_64.json";
   hardware.intel-gpu-tools.enable = true;
   hardware.graphics = {
     enable = true;
@@ -53,6 +53,13 @@
     "nvidia_uvm"
   ];
 
+  # Mark Arc B580 as a discrete Intel GPU for switcheroo-control and
+  # keep runtime PCI power management enabled for the device.
+  services.udev.extraRules = ''
+    ACTION=="add|bind", SUBSYSTEM=="pci", ATTR{vendor}=="0x8086", ATTR{device}=="0xe20b", TEST=="power/control", ATTR{power/control}="auto"
+    SUBSYSTEM=="drm", DRIVERS=="xe", ATTRS{vendor}=="0x8086", ATTRS{device}=="0xe20b", TAG+="switcheroo-discrete-gpu"
+  '';
+
   environment.variables = {
     # Force Intel GPU for all graphics operations
     KWIN_DRM_DEVICES = "/dev/dri/card0";
@@ -120,4 +127,7 @@
     clinfo
     vulkan-tools
   ];
+  services.xserver.deviceSection = ''
+    Option "TearFree" "false"
+  '';
 }

systems/x86_64-linux/drivebystation-nix/hardware/graphics/passthrough_nvidia.nix

@@ -17,9 +17,23 @@
   boot.extraModprobeConfig = ''
     options vfio-pci ids=10de:1b81,10de:10f0
   '';
-  boot.initrd.preDeviceCommands = ''
-    modprobe vfio-pci
-  '';
+  boot.initrd.systemd = {
+    enable = true;
+    services.initrd-vfio-pci-nvidia = {
+      description = "vfio-pci predevice init";
+      wantedBy = [ "initrd.target" ];
+      # Match 'preDeviceCommands' by running early
+      before = [ "sysroot.mount" ]; 
+      
+      unitConfig.DefaultDependencies = "no";
+      serviceConfig.Type = "oneshot";
+      
+      # Place your original shell commands here
+      script = ''
+        modprobe vfio-pci
+      '';
+    };
+  };
   # # EARLY and deterministic binding
   # boot.initrd.preDeviceCommands = ''
   #   echo 0000:05:00.0 > /sys/bus/pci/drivers/vfio-pci/bind

systems/x86_64-linux/drivebystation-nix/hardware/hardware-configuration.nix

@@ -33,7 +33,7 @@
 
     serviceConfig = {
       Type = "oneshot";
-      ExecStart = "${pkgs.ethtool}/bin/ethtool --set-eee enp75s0 eee off";
+      ExecStart = "${pkgs.ethtool}/bin/ethtool --set-eee enp10s0 eee off";
       RemainAfterExit = true;
     };
   };