add i915 based intel hardware module

systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel_i915.nix

@@ -0,0 +1,90 @@
+{ config, lib, pkgs, ... }:
+
+{
+  ############################
+  ## Display + Mesa Settings
+  ############################
+
+  # hardware.enableRedistributableFirmware = true;
+
+  hardware.firmware = [
+    pkgs.linux-firmware
+    # pkgs.firmwareLinuxNonfree
+    # pkgs.firmwareLinuxStrict
+    # pkgs.firmwareLinuxLatest
+  ];
+
+  # boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelParams = [
+    "console=tty0"
+    # "efifb=off"
+    # "xe.force_probe=*"
+    "module_blacklist=nouveau,nvidia,nvidia_drm,nvidia_modeset,nvidia_uvm"
+  ];
+
+  # 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;
+    enable32Bit = true;
+
+    extraPackages = with pkgs; [
+      intel-media-driver     # Intel VAAPI
+      vpl-gpu-rt             # oneVPL runtime
+      intel-vaapi-driver     # fallback
+      intel-compute-runtime # OpenCL/Level Zero
+    ];
+  };
+
+  # Ensure Arc driver is available (usually auto-loaded)
+  boot.kernelModules = [ "i915" ];
+  # Blacklist everything for nvidia
+  boot.blacklistedKernelModules = [
+    "nouveau"
+    "nvidia"
+    "nvidia_drm"
+    "nvidia_modeset"
+    "nvidia_uvm"
+    "xe"
+  ];
+
+  environment.variables = {
+    KWIN_DRM_DEVICES = "/dev/dri/card0";
+  };
+
+
+  ############################
+  ## LACT Settings for Overclocking
+  ############################
+
+  services.lact.enable = true;
+
+
+
+  ############################
+  ## X / Wayland GPU Drivers
+  ############################
+  
+  # Enable modesetting driver for X11 (required for Intel Xe)
+  services.xserver.videoDrivers = [ 
+    "modesetting"
+    #"intel"
+  ];
+
+  services.xserver.enable = true;
+  services.xserver.autorun = false;
+  services.xserver.displayManager.startx.enable = true;
+
+  # Xorg configuration for Intel Arc Battlemage (xe driver)
+  # Based on: https://www.reddit.com/r/crtgaming/comments/1knom2t/guide_intel_arc_b580_arch_linux_xorg/
+  # Intel Arc B-series at PCI 0000:03:00.0
+  #services.xserver.deviceSection = ''
+  #  Option "AccelMethod" "glamor"
+  #  BusID "PCI:3:0:0"
+  #'';
+
+  ############################
+  ## User Access
+  ############################
+  users.users.andreas.extraGroups = [ "video" "render" ];
+}