refractor(nvidia): Keep vfio config, rollback to disable-nvidia

nixcfgs/hosts/zephyrus/default.nix

@@ -14,7 +14,7 @@
     ../../modules/nixos/desktop/laptop.nix
 
     # hardware drivers
-    ../../modules/nixos/hardware/nvidia-vfio.nix
+    ../../modules/nixos/hardware/nvidia/nvidia-disable.nix
 
     # udev rules
     ../../modules/nixos/hardware/udev/basys3.nix

nixcfgs/modules/nixos/hardware/nvidia-vfio.nix

@@ -1,24 +0,0 @@
-# This is highly experimental and WIP. Do not use it.
-{...}: {
-  boot.extraModprobeConfig = ''
-    blacklist nouveau
-    options nouveau modeset=0
-  '';
-
-  services.xserver.videoDrivers = ["modesetting"];
-  boot.blacklistedKernelModules = ["nouveau" "nvidia" "nvidia_drm" "nvidia_modeset"];
-  hardware.nvidia = {
-    # enable = false;
-    modesetting.enable = false;
-    powerManagement.enable = false;
-  };
-  # Enable ssh to solve issues temporarily
-  services.openssh = {
-    enable = true;
-    settings = {
-      UseDns = true;
-      PermitRootLogin = "no";
-      PasswordAuthentication = true;
-    };
-  };
-}

nixcfgs/modules/nixos/hardware/nvidia/nvidia-vfio.nix

@@ -0,0 +1,42 @@
+# This is highly experimental and WIP. Do not use it.
+# 2025-11-10 Update:
+#   ASUS ROG Zephyrus G14: can redirect GPU
+#   TODO: When installing windows, stuck at UEFI Shell
+{...}: {
+  boot.extraModprobeConfig = ''
+    blacklist nouveau
+    options nouveau modeset=0
+    options vfio-pci ids=10de:28e0,10de:22be
+  '';
+
+  boot.kernelParams = [
+    "amd_iommu=on"
+    "iommu=pt"
+    # RTX 4060 Max-Q / Mobile: 10de:28e0
+    # AD107 Audio Controller: 10de:22be
+    "vfio-pci.ids=10de:28e0,10de:22be"
+  ];
+
+  boot.initrd.kernelModules = [
+    "vfio-pci"
+    "vfio"
+    "vfio_iommu_type1"
+  ];
+
+  services.xserver.videoDrivers = ["modesetting"];
+  boot.blacklistedKernelModules = ["nouveau" "nvidiafb" "nvidia" "nvidia-uvm" "nvidia-drm" "nvidia-modeset"];
+  hardware.nvidia = {
+    # enable = false;
+    modesetting.enable = false;
+    powerManagement.enable = false;
+  };
+  # Enable ssh to solve issues temporarily
+  services.openssh = {
+    enable = true;
+    settings = {
+      UseDns = true;
+      PermitRootLogin = "no";
+      PasswordAuthentication = true;
+    };
+  };
+}

nixcfgs/modules/nixos/hardware/udev/basys3.nix

@@ -1,5 +1,6 @@
 {config, ...}: {
   # Xilinx Artix-7 Basys 3
+  # See: https://www.devicekb.com/hardware/usb-vendors/vid_0403-pid_6010
   services.udev.extraRules = ''
     ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0660", GROUP="dialout", SYMLINK+="basys3"
   '';