{ config, lib, pkgs, ... }: { ############################ # Intel iGPU / VAAPI / QSV # ############################ # Modern graphics stack hardware.graphics = { enable = true; extraPackages = with pkgs; [ # VAAPI driver for Broadwell and newer (your 11th gen) intel-media-driver # OpenCL / compute; 11th gen typically works with the non-legacy runtime intel-ocl intel-compute-runtime # VPL runtime – needed for modern QSV on newer Intel (11th gen+) vpl-gpu-rt # VAAPI ⇔ VDPAU bridge (optional but harmless) libva-vdpau-driver ]; }; # Make sure the right VAAPI driver is used (iHD is correct for 11th gen) environment.sessionVariables = { LIBVA_DRIVER_NAME = "iHD"; }; # Optional but can help when services (like jellyfin) run in their own units systemd.services.jellyfin.environment.LIBVA_DRIVER_NAME = lib.mkIf config.nixarr.enable "iHD"; ######################## # Firmware for the iGPU ######################## # Ensures i915 GuC/HuC firmware is available (avoids “GuC firmware … ENOENT” errors) hardware.enableAllFirmware = true; ######################## # (Optional) debugging ######################## environment.systemPackages = with pkgs; [ libva-utils # vainfo intel-gpu-tools # intel_gpu_top clinfo # OpenCL info ]; }