507 lines
21 KiB
Nix
507 lines
21 KiB
Nix
# 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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reverseSyncCfg = pCfg.reverseSync;
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primeEnabled = syncCfg.enable || reverseSyncCfg.enable || offloadCfg.enable;
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nvidiaPersistencedEnabled = cfg.nvidiaPersistenced;
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nvidiaSettings = cfg.nvidiaSettings;
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busIDType = types.strMatching "([[:print:]]+[\:\@][0-9]{1,3}\:[0-9]{1,2}\:[0-9])?";
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ibtSupport = cfg.open || (nvidia_x11.ibtSupport or false);
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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" "allowExternalGpu" ])
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(mkRenamedOptionModule [ "hardware" "nvidia" "prime" "sync" "allowExternalGpu" ] [ "hardware" "nvidia" "prime" "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 = lib.mdDoc ''
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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 = lib.mdDoc ''
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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 = lib.mdDoc ''
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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`. 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 = busIDType;
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default = "";
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example = "PCI:1:0:0";
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description = lib.mdDoc ''
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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 = busIDType;
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default = "";
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example = "PCI:0:2:0";
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description = lib.mdDoc ''
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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 = busIDType;
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default = "";
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example = "PCI:4:0:0";
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description = lib.mdDoc ''
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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 = lib.mdDoc ''
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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/AMD
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GPU 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`, 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/AMD GPUs have to
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be specified ({option}`hardware.nvidia.prime.nvidiaBusId` and
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{option}`hardware.nvidia.prime.intelBusId` or
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{option}`hardware.nvidia.prime.amdgpuBusId`).
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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`) 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`
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option is supported is used.
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'';
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};
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hardware.nvidia.prime.allowExternalGpu = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Configure X to allow external NVIDIA GPUs when using Prime [Reverse] sync 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 = lib.mdDoc ''
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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/AMD GPUs have to
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be specified ({option}`hardware.nvidia.prime.nvidiaBusId` and
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{option}`hardware.nvidia.prime.intelBusId` or
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{option}`hardware.nvidia.prime.amdgpuBusId`).
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'';
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};
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hardware.nvidia.prime.offload.enableOffloadCmd = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Adds a `nvidia-offload` convenience script to {option}`environment.systemPackages`
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for offloading programs to an nvidia device. To work, should have also enabled
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{option}`hardware.nvidia.prime.offload.enable` or {option}`hardware.nvidia.prime.reverseSync.enable`.
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Example usage `nvidia-offload sauerbraten_client`.
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'';
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};
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hardware.nvidia.prime.reverseSync.enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Warning: This feature is relatively new, depending on your system this might
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work poorly. AMD support, especially so.
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See: https://forums.developer.nvidia.com/t/the-all-new-outputsink-feature-aka-reverse-prime/129828
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Enable NVIDIA Optimus support using the NVIDIA proprietary driver via reverse
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PRIME. If enabled, the Intel/AMD GPU will be used for all rendering, while
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enabling output to displays attached only to the NVIDIA GPU without a
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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`, 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/AMD GPUs have to
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be specified ({option}`hardware.nvidia.prime.nvidiaBusId` and
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{option}`hardware.nvidia.prime.intelBusId` or
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{option}`hardware.nvidia.prime.amdgpuBusId`).
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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`) 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`
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option is supported is used.
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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 = lib.mdDoc ''
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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 = lib.mdDoc ''
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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.forceFullCompositionPipeline = lib.mkOption {
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default = false;
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type = types.bool;
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description = lib.mdDoc ''
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Whether to force-enable the full composition pipeline.
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This sometimes fixes screen tearing issues.
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This has been reported to reduce the performance of some OpenGL applications and may produce issues in WebGL.
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It also drastically increases the time the driver needs to clock down after load.
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'';
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};
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hardware.nvidia.package = lib.mkOption {
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type = 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 = lib.mdDoc ''
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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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hardware.nvidia.open = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to use the open source kernel module
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'';
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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 = 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 = offloadCfg.enableOffloadCmd -> offloadCfg.enable || reverseSyncCfg.enable;
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message = ''
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Offload command requires offloading or reverse prime sync to be enabled.
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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 = (reverseSyncCfg.enable && pCfg.amdgpuBusId != "") -> versionAtLeast nvidia_x11.version "470.0";
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message = "NVIDIA PRIME render offload for AMD APUs is currently only supported on versions >= 470 beta.";
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}
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{
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assertion = !(syncCfg.enable && offloadCfg.enable);
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message = "PRIME Sync and Offload cannot be both enabled";
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}
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{
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assertion = !(syncCfg.enable && reverseSyncCfg.enable);
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message = "PRIME Sync and PRIME Reverse Sync cannot be both enabled";
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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 -> versionAtLeast nvidia_x11.version "430.09";
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message = "Required files for driver based power management only exist on versions >= 430.09.";
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}
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{
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assertion = cfg.open -> (cfg.package ? open && cfg.package ? firmware);
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message = "This version of NVIDIA driver does not provide a corresponding opensource kernel driver";
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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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# reverse sync implies offloading
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hardware.nvidia.prime.offload.enable = mkDefault reverseSyncCfg.enable;
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services.xserver.drivers = optional primeEnabled {
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name = igpuDriver;
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display = offloadCfg.enable;
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modules = optionals (igpuDriver == "amdgpu") [ pkgs.xorg.xf86videoamdgpu ];
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deviceSection = ''
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BusID "${igpuBusId}"
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${optionalString (syncCfg.enable && igpuDriver != "amdgpu") ''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 pCfg.allowExternalGpu "Option \"AllowExternalGpus\""}
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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 ''
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Option "AllowEmptyInitialConfiguration"
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'' + optionalString cfg.forceFullCompositionPipeline ''
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Option "metamodes" "nvidia-auto-select +0+0 {ForceFullCompositionPipeline=On}"
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Option "AllowIndirectGLXProtocol" "off"
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Option "TripleBuffer" "on"
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''
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;
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};
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services.xserver.serverLayoutSection = optionalString syncCfg.enable ''
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Inactive "Device-${igpuDriver}[0]"
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'' + optionalString reverseSyncCfg.enable ''
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Inactive "Device-nvidia[0]"
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'' + optionalString offloadCfg.enable ''
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Option "AllowNVIDIAGPUScreens"
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'';
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services.xserver.displayManager.setupCommands = let
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gpuProviderName = if igpuDriver == "amdgpu" then
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# find the name of the provider if amdgpu
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"`${pkgs.xorg.xrandr}/bin/xrandr --listproviders | ${pkgs.gnugrep}/bin/grep -i AMD | ${pkgs.gnused}/bin/sed -n 's/^.*name://p'`"
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else
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igpuDriver;
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providerCmdParams = if syncCfg.enable then "\"${gpuProviderName}\" NVIDIA-0" else "NVIDIA-G0 \"${gpuProviderName}\"";
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in optionalString (syncCfg.enable || reverseSyncCfg.enable) ''
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# Added by nvidia configuration module for Optimus/PRIME.
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${pkgs.xorg.xrandr}/bin/xrandr --setprovideroutputsource ${providerCmdParams}
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${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.extraPackages = [
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nvidia_x11.out
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pkgs.nvidia-vaapi-driver
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];
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hardware.opengl.extraPackages32 = [
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nvidia_x11.lib32
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pkgs.pkgsi686Linux.nvidia-vaapi-driver
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];
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environment.systemPackages = [ nvidia_x11.bin ]
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++ optionals cfg.nvidiaSettings [ nvidia_x11.settings ]
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++ optionals nvidiaPersistencedEnabled [ nvidia_x11.persistenced ]
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++ optionals offloadCfg.enableOffloadCmd [
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(pkgs.writeShellScriptBin "nvidia-offload" ''
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export __NV_PRIME_RENDER_OFFLOAD=1
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export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
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export __GLX_VENDOR_LIBRARY_NAME=nvidia
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export __VK_LAYER_NV_optimus=NVIDIA_only
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exec "$@"
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'')
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];
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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 - - - - ${nvidia_x11.persistenced}/origBin/nvidia-persistenced";
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boot.extraModulePackages = if cfg.open then [ nvidia_x11.open ] else [ nvidia_x11.bin ];
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hardware.firmware = lib.optional cfg.open nvidia_x11.firmware;
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# nvidia-uvm is required by CUDA applications.
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boot.kernelModules = [ "nvidia-uvm" ] ++
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optionals config.services.xserver.enable [ "nvidia" "nvidia_modeset" "nvidia_drm" ];
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# If requested enable modesetting via kernel parameter.
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boot.kernelParams = optional (offloadCfg.enable || cfg.modesetting.enable) "nvidia-drm.modeset=1"
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++ optional cfg.powerManagement.enable "nvidia.NVreg_PreserveVideoMemoryAllocations=1"
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++ optional cfg.open "nvidia.NVreg_OpenRmEnableUnsupportedGpus=1"
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++ optional (config.boot.kernelPackages.kernel.kernelAtLeast "6.2" && !ibtSupport) "ibt=off";
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services.udev.extraRules =
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''
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# Create /dev/nvidia-uvm when the nvidia-uvm module is loaded.
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KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidiactl c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 255'"
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KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'for i in $$(cat /proc/driver/nvidia/gpus/*/information | grep Minor | cut -d \ -f 4); do mknod -m 666 /dev/nvidia$${i} c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) $${i}; done'"
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KERNEL=="nvidia_modeset", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-modeset c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 254'"
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KERNEL=="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) 1'"
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'' + optionalString cfg.powerManagement.finegrained (
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optionalString (versionOlder config.boot.kernelPackages.kernel.version "5.5") ''
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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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|
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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
|
|
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{remove}="1"
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'' + ''
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# Enable runtime PM for NVIDIA VGA/3D controller devices on driver bind
|
|
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
|
|
ACTION=="unbind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030000", TEST=="power/control", ATTR{power/control}="on"
|
|
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 ''
|
|
options nvidia "NVreg_DynamicPowerManagement=0x02"
|
|
'';
|
|
|
|
boot.blacklistedKernelModules = [ "nouveau" "nvidiafb" ];
|
|
|
|
services.acpid.enable = true;
|
|
|
|
};
|
|
|
|
}
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