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392 lines
16 KiB
392 lines
16 KiB
# This module provides the proprietary NVIDIA X11 / OpenGL drivers.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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nvidia_x11 = let
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drivers = config.services.xserver.videoDrivers;
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isDeprecated = str: (hasPrefix "nvidia" str) && (str != "nvidia");
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hasDeprecated = drivers: any isDeprecated drivers;
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in if (hasDeprecated drivers) then
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throw ''
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Selecting an nvidia driver has been modified for NixOS 19.03. The version is now set using `hardware.nvidia.package`.
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''
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else if (elem "nvidia" drivers) then cfg.package else null;
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enabled = nvidia_x11 != null;
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cfg = config.hardware.nvidia;
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pCfg = cfg.prime;
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syncCfg = pCfg.sync;
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offloadCfg = pCfg.offload;
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primeEnabled = syncCfg.enable || offloadCfg.enable;
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nvidiaPersistencedEnabled = cfg.nvidiaPersistenced;
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nvidiaSettings = cfg.nvidiaSettings;
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in
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{
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imports =
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[
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(mkRenamedOptionModule [ "hardware" "nvidia" "optimus_prime" "enable" ] [ "hardware" "nvidia" "prime" "sync" "enable" ])
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(mkRenamedOptionModule [ "hardware" "nvidia" "optimus_prime" "allowExternalGpu" ] [ "hardware" "nvidia" "prime" "sync" "allowExternalGpu" ])
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(mkRenamedOptionModule [ "hardware" "nvidia" "optimus_prime" "nvidiaBusId" ] [ "hardware" "nvidia" "prime" "nvidiaBusId" ])
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(mkRenamedOptionModule [ "hardware" "nvidia" "optimus_prime" "intelBusId" ] [ "hardware" "nvidia" "prime" "intelBusId" ])
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];
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options = {
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hardware.nvidia.powerManagement.enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Experimental power management through systemd. For more information, see
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the NVIDIA docs, on Chapter 21. Configuring Power Management Support.
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'';
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};
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hardware.nvidia.powerManagement.finegrained = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Experimental power management of PRIME offload. For more information, see
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the NVIDIA docs, chapter 22. PCI-Express runtime power management.
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'';
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};
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hardware.nvidia.modesetting.enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable kernel modesetting when using the NVIDIA proprietary driver.
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Enabling this fixes screen tearing when using Optimus via PRIME (see
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<option>hardware.nvidia.prime.sync.enable</option>. This is not enabled
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by default because it is not officially supported by NVIDIA and would not
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work with SLI.
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'';
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};
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hardware.nvidia.prime.nvidiaBusId = mkOption {
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type = types.str;
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default = "";
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example = "PCI:1:0:0";
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description = ''
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Bus ID of the NVIDIA GPU. You can find it using lspci; for example if lspci
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shows the NVIDIA GPU at "01:00.0", set this option to "PCI:1:0:0".
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'';
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};
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hardware.nvidia.prime.intelBusId = mkOption {
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type = types.str;
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default = "";
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example = "PCI:0:2:0";
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description = ''
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Bus ID of the Intel GPU. You can find it using lspci; for example if lspci
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shows the Intel GPU at "00:02.0", set this option to "PCI:0:2:0".
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'';
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};
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hardware.nvidia.prime.amdgpuBusId = mkOption {
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type = types.str;
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default = "";
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example = "PCI:4:0:0";
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description = ''
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Bus ID of the AMD APU. You can find it using lspci; for example if lspci
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shows the AMD APU at "04:00.0", set this option to "PCI:4:0:0".
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'';
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};
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hardware.nvidia.prime.sync.enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable NVIDIA Optimus support using the NVIDIA proprietary driver via PRIME.
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If enabled, the NVIDIA GPU will be always on and used for all rendering,
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while enabling output to displays attached only to the integrated Intel GPU
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without a multiplexer.
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Note that this option only has any effect if the "nvidia" driver is specified
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in <option>services.xserver.videoDrivers</option>, and it should preferably
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be the only driver there.
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If this is enabled, then the bus IDs of the NVIDIA and Intel GPUs have to be
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specified (<option>hardware.nvidia.prime.nvidiaBusId</option> and
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<option>hardware.nvidia.prime.intelBusId</option>).
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If you enable this, you may want to also enable kernel modesetting for the
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NVIDIA driver (<option>hardware.nvidia.modesetting.enable</option>) in order
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to prevent tearing.
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Note that this configuration will only be successful when a display manager
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for which the <option>services.xserver.displayManager.setupCommands</option>
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option is supported is used.
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'';
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};
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hardware.nvidia.prime.sync.allowExternalGpu = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Configure X to allow external NVIDIA GPUs when using optimus.
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'';
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};
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hardware.nvidia.prime.offload.enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable render offload support using the NVIDIA proprietary driver via PRIME.
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If this is enabled, then the bus IDs of the NVIDIA and Intel GPUs have to be
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specified (<option>hardware.nvidia.prime.nvidiaBusId</option> and
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<option>hardware.nvidia.prime.intelBusId</option>).
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'';
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};
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hardware.nvidia.nvidiaSettings = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Whether to add nvidia-settings, NVIDIA's GUI configuration tool, to
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systemPackages.
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'';
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};
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hardware.nvidia.nvidiaPersistenced = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Update for NVIDA GPU headless mode, i.e. nvidia-persistenced. It ensures all
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GPUs stay awake even during headless mode.
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'';
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};
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hardware.nvidia.package = lib.mkOption {
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type = lib.types.package;
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default = config.boot.kernelPackages.nvidiaPackages.stable;
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defaultText = literalExpression "config.boot.kernelPackages.nvidiaPackages.stable";
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description = ''
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The NVIDIA X11 derivation to use.
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'';
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example = literalExpression "config.boot.kernelPackages.nvidiaPackages.legacy_340";
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};
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};
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config = let
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igpuDriver = if pCfg.intelBusId != "" then "modesetting" else "amdgpu";
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igpuBusId = if pCfg.intelBusId != "" then pCfg.intelBusId else pCfg.amdgpuBusId;
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in mkIf enabled {
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assertions = [
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{
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assertion = with config.services.xserver.displayManager; gdm.nvidiaWayland -> cfg.modesetting.enable;
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message = "You cannot use wayland with GDM without modesetting enabled for NVIDIA drivers, set `hardware.nvidia.modesetting.enable = true`";
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}
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{
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assertion = primeEnabled -> pCfg.intelBusId == "" || pCfg.amdgpuBusId == "";
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message = ''
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You cannot configure both an Intel iGPU and an AMD APU. Pick the one corresponding to your processor.
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'';
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}
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{
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assertion = primeEnabled -> pCfg.nvidiaBusId != "" && (pCfg.intelBusId != "" || pCfg.amdgpuBusId != "");
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message = ''
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When NVIDIA PRIME is enabled, the GPU bus IDs must configured.
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'';
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}
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{
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assertion = offloadCfg.enable -> versionAtLeast nvidia_x11.version "435.21";
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message = "NVIDIA PRIME render offload is currently only supported on versions >= 435.21.";
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}
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{
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assertion = !(syncCfg.enable && offloadCfg.enable);
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message = "Only one NVIDIA PRIME solution may be used at a time.";
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}
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{
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assertion = !(syncCfg.enable && cfg.powerManagement.finegrained);
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message = "Sync precludes powering down the NVIDIA GPU.";
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}
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{
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assertion = cfg.powerManagement.finegrained -> offloadCfg.enable;
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message = "Fine-grained power management requires offload to be enabled.";
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}
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{
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assertion = cfg.powerManagement.enable -> (
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builtins.pathExists (cfg.package.out + "/bin/nvidia-sleep.sh") &&
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builtins.pathExists (cfg.package.out + "/lib/systemd/system-sleep/nvidia")
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);
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message = "Required files for driver based power management don't exist.";
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}
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];
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# If Optimus/PRIME is enabled, we:
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# - Specify the configured NVIDIA GPU bus ID in the Device section for the
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# "nvidia" driver.
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# - Add the AllowEmptyInitialConfiguration option to the Screen section for the
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# "nvidia" driver, in order to allow the X server to start without any outputs.
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# - Add a separate Device section for the Intel GPU, using the "modesetting"
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# driver and with the configured BusID.
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# - OR add a separate Device section for the AMD APU, using the "amdgpu"
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# driver and with the configures BusID.
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# - Reference that Device section from the ServerLayout section as an inactive
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# device.
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# - Configure the display manager to run specific `xrandr` commands which will
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# configure/enable displays connected to the Intel iGPU / AMD APU.
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services.xserver.useGlamor = mkDefault offloadCfg.enable;
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services.xserver.drivers = let
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in optional primeEnabled {
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name = igpuDriver;
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display = offloadCfg.enable;
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modules = optional (igpuDriver == "amdgpu") [ pkgs.xorg.xf86videoamdgpu ];
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deviceSection = ''
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BusID "${igpuBusId}"
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${optionalString syncCfg.enable ''Option "AccelMethod" "none"''}
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'';
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} ++ singleton {
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name = "nvidia";
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modules = [ nvidia_x11.bin ];
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display = !offloadCfg.enable;
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deviceSection = optionalString primeEnabled
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''
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BusID "${pCfg.nvidiaBusId}"
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${optionalString syncCfg.allowExternalGpu "Option \"AllowExternalGpus\""}
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${optionalString cfg.powerManagement.finegrained "Option \"NVreg_DynamicPowerManagement=0x02\""}
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'';
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screenSection =
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''
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Option "RandRRotation" "on"
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${optionalString syncCfg.enable "Option \"AllowEmptyInitialConfiguration\""}
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'';
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};
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services.xserver.serverLayoutSection = optionalString syncCfg.enable ''
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Inactive "Device-${igpuDriver}[0]"
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'' + optionalString offloadCfg.enable ''
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Option "AllowNVIDIAGPUScreens"
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'';
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services.xserver.displayManager.setupCommands = optionalString syncCfg.enable ''
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# Added by nvidia configuration module for Optimus/PRIME.
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${pkgs.xorg.xrandr}/bin/xrandr --setprovideroutputsource ${igpuDriver} NVIDIA-0
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${pkgs.xorg.xrandr}/bin/xrandr --auto
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'';
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environment.etc."nvidia/nvidia-application-profiles-rc" = mkIf nvidia_x11.useProfiles {
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source = "${nvidia_x11.bin}/share/nvidia/nvidia-application-profiles-rc";
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};
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# 'nvidia_x11' installs it's files to /run/opengl-driver/...
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environment.etc."egl/egl_external_platform.d".source =
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"/run/opengl-driver/share/egl/egl_external_platform.d/";
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hardware.opengl.package = mkIf (!offloadCfg.enable) nvidia_x11.out;
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hardware.opengl.package32 = mkIf (!offloadCfg.enable) nvidia_x11.lib32;
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hardware.opengl.extraPackages = optional offloadCfg.enable nvidia_x11.out;
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hardware.opengl.extraPackages32 = optional offloadCfg.enable nvidia_x11.lib32;
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environment.systemPackages = [ nvidia_x11.bin ]
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++ optionals nvidiaSettings [ nvidia_x11.settings ]
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++ optionals nvidiaPersistencedEnabled [ nvidia_x11.persistenced ];
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systemd.packages = optional cfg.powerManagement.enable nvidia_x11.out;
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systemd.services = let
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baseNvidiaService = state: {
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description = "NVIDIA system ${state} actions";
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path = with pkgs; [ kbd ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${nvidia_x11.out}/bin/nvidia-sleep.sh '${state}'";
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};
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};
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nvidiaService = sleepState: (baseNvidiaService sleepState) // {
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before = [ "systemd-${sleepState}.service" ];
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requiredBy = [ "systemd-${sleepState}.service" ];
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};
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services = (builtins.listToAttrs (map (t: nameValuePair "nvidia-${t}" (nvidiaService t)) ["hibernate" "suspend"]))
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// {
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nvidia-resume = (baseNvidiaService "resume") // {
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after = [ "systemd-suspend.service" "systemd-hibernate.service" ];
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requiredBy = [ "systemd-suspend.service" "systemd-hibernate.service" ];
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};
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};
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in optionalAttrs cfg.powerManagement.enable services
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// optionalAttrs nvidiaPersistencedEnabled {
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"nvidia-persistenced" = mkIf nvidiaPersistencedEnabled {
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description = "NVIDIA Persistence Daemon";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "forking";
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Restart = "always";
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PIDFile = "/var/run/nvidia-persistenced/nvidia-persistenced.pid";
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ExecStart = "${nvidia_x11.persistenced}/bin/nvidia-persistenced --verbose";
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ExecStopPost = "${pkgs.coreutils}/bin/rm -rf /var/run/nvidia-persistenced";
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};
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};
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};
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systemd.tmpfiles.rules = optional config.virtualisation.docker.enableNvidia
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"L+ /run/nvidia-docker/bin - - - - ${nvidia_x11.bin}/origBin"
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++ optional (nvidia_x11.persistenced != null && config.virtualisation.docker.enableNvidia)
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"L+ /run/nvidia-docker/extras/bin/nvidia-persistenced - - - - ${nvidia_x11.persistenced}/origBin/nvidia-persistenced";
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boot.extraModulePackages = [ nvidia_x11.bin ];
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# nvidia-uvm is required by CUDA applications.
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boot.kernelModules = [ "nvidia-uvm" ] ++
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optionals config.services.xserver.enable [ "nvidia" "nvidia_modeset" "nvidia_drm" ];
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# If requested enable modesetting via kernel parameter.
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boot.kernelParams = optional (offloadCfg.enable || cfg.modesetting.enable) "nvidia-drm.modeset=1"
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++ optional cfg.powerManagement.enable "nvidia.NVreg_PreserveVideoMemoryAllocations=1";
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services.udev.extraRules =
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''
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# Create /dev/nvidia-uvm when the nvidia-uvm module is loaded.
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KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidiactl c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 255'"
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KERNEL=="nvidia_modeset", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-modeset c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 254'"
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KERNEL=="card*", SUBSYSTEM=="drm", DRIVERS=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia%n c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) %n'"
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KERNEL=="nvidia_uvm", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-uvm c $$(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0'"
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KERNEL=="nvidia_uvm", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-uvm-tools c $$(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0'"
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'' + optionalString cfg.powerManagement.finegrained ''
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# Remove NVIDIA USB xHCI Host Controller devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c0330", ATTR{remove}="1"
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# Remove NVIDIA USB Type-C UCSI devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c8000", ATTR{remove}="1"
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# Remove NVIDIA Audio devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{remove}="1"
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# Enable runtime PM for NVIDIA VGA/3D controller devices on driver bind
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ACTION=="bind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030000", TEST=="power/control", ATTR{power/control}="auto"
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ACTION=="bind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030200", TEST=="power/control", ATTR{power/control}="auto"
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# Disable runtime PM for NVIDIA VGA/3D controller devices on driver unbind
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ACTION=="unbind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030000", TEST=="power/control", ATTR{power/control}="on"
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ACTION=="unbind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030200", TEST=="power/control", ATTR{power/control}="on"
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'';
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boot.extraModprobeConfig = mkIf cfg.powerManagement.finegrained ''
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options nvidia "NVreg_DynamicPowerManagement=0x02"
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'';
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boot.blacklistedKernelModules = [ "nouveau" "nvidiafb" ];
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services.acpid.enable = true;
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};
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}
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