{ lib, ... }: { specialisation.nvidia.configuration = { boot = { kernelParams = [ "transparent_hugepage=always" ]; kernel.sysctl."vm.max_map_count" = 2147483642; }; environment.variables = { DRI_PRIME = 1; __NV_PRIME_RENDER_OFFLOAD = 1; __VK_LAYER_NV_optimus = "NVIDIA_only"; __GLX_VENDOR_LIBRARY_NAME = "nvidia"; }; hardware.nvidia = { open = true; nvidiaSettings = false; prime.sync.enable = true; }; services = { xserver.videoDrivers = [ "nvidia" ]; tlp.settings.PLATFORM_PROFILE_ON_AC = lib.mkForce "performance"; }; }; }