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https://github.com/Nexoniarz/nexoniarz-config-nixos.git
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10d46c7db4
NVIDIA stays primary for displays; the 5700G iGPU (amdgpu + Mesa RADV) is available for Vulkan compute such as LM Studio. Adds vulkan-tools and amdgpu_top for checking it. Requires the iGPU enabled in BIOS. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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hardware.graphics = {
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enable = true;
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enable32Bit = true;
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};
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# NVIDIA stays primary (monitors are on it); the 5700G's Radeon Vega 8 iGPU
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# is a second GPU for compute, e.g. LM Studio's Vulkan runtime. It must be
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# enabled in the BIOS (Integrated Graphics = Forced, primary = PEG/PCIe).
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# The amdgpu kernel module loads by itself, and hardware.graphics already
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# provides Mesa's RADV Vulkan driver for it.
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services.xserver.videoDrivers = [ "nvidia" "amdgpu" ];
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environment.systemPackages = with pkgs; [
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vulkan-tools # vulkaninfo --summary: check both GPUs are visible
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amdgpu_top # usage/VRAM monitor for the iGPU
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];
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hardware.nvidia = {
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modesetting.enable = true;
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open = true;
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nvidiaSettings = true;
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package = config.boot.kernelPackages.nvidiaPackages.stable;
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};
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# Hardware video decoding in Firefox via nvidia-vaapi-driver (installed by
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# hardware.nvidia.videoAcceleration). libva needs the driver named
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# explicitly; the "direct" backend is the working one on driver 525+.
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# Firefox's decoder (RDD) sandbox blocks the driver, so it's disabled:
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# trade-off accepted for GPU decode. Prefs live in the profile's user.js.
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environment.sessionVariables = {
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LIBVA_DRIVER_NAME = "nvidia";
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NVD_BACKEND = "direct";
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MOZ_DISABLE_RDD_SANDBOX = "1";
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};
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hardware.opentabletdriver.enable = true;
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hardware.uinput.enable = true;
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boot.kernelModules = [ "uinput" ];
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hardware.bluetooth = {
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enable = true;
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powerOnBoot = true;
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settings = {
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General = {
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Experimental = true; # Battery level of connected devices
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FastConnectable = true; # Faster reconnects, more power draw
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};
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Policy = {
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AutoEnable = true;
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};
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};
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};
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# Plasma ships its own Bluetooth UI (Bluedevil); blueman just duplicated it.
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boot.extraModprobeConfig = ''
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# DualSense/PS4 pads pair over Bluetooth then drop instantly; broken
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# ERTM in many adapters. Disabling it is the standard fix.
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options bluetooth disable_ertm=1
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'';
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# Blog V4 needs the rtlsdrblog fork of librtlsdr, which is what
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# pkgs.rtl-sdr already is here. Also blacklists the DVB-T drivers.
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hardware.rtl-sdr.enable = true;
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# For ddcutil — no laptop backlight here, only external DisplayPort.
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hardware.i2c.enable = true;
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services.hardware.openrgb = {
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enable = true;
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motherboard = "amd";
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};
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services.udev.extraRules = ''
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# OpenRGB
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SUBSYSTEM=="i2c-dev", GROUP="i2c", MODE="0660"
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'';
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services.printing.enable = true;
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}
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