Sweetbread/nixos-config
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nvidia: fix backlight

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Sweetbread
2026-04-21 17:48:52 +03:00
parent 1deef1e46b
commit 731a95289a
3 changed files with 46 additions and 12 deletions
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host/modules/common.nix
+18 -2
View File
@@ -7,7 +7,23 @@
];
options = {
host.laptop = lib.mkEnableOption "laptop mode";
host = {
laptop = lib.mkEnableOption "laptop mode";
nvidia.prime = {
enable = lib.mkEnableOption "NVIDIA PRIME offload for hybrid graphics";
intelBusId = lib.mkOption {
type = lib.types.str;
default = "PCI:0:2:0";
description = "Intel/iGPU Bus ID used by NVIDIA PRIME.";
};
nvidiaBusId = lib.mkOption {
type = lib.types.str;
default = "PCI:1:0:0";
description = "NVIDIA dGPU Bus ID used by NVIDIA PRIME.";
};
};
};
};
config = {
@@ -22,4 +38,4 @@
i18n.defaultLocale = lib.mkDefault "ru_RU.UTF-8";
system.stateVersion = "23.05";
};
}
}
host/modules/gpu/nvidia.nix
+27 -10
View File
@@ -1,6 +1,16 @@
{ config, pkgs-stable, lib, ... }: {
boot.kernelParams = [ "nvidia-drm.modeset=1" ];
services.xserver.videoDrivers = [ "nvidia" ];
{ config, pkgs-stable, lib, ... }: let
primeCfg = config.host.nvidia.prime;
isPrimeOffload = primeCfg.enable;
in {
boot = {
kernelParams = [ "nvidia-drm.modeset=1" ];
initrd.kernelModules = lib.optionals isPrimeOffload [ "i915" ];
};
services.xserver.videoDrivers =
if isPrimeOffload
then [ "modesetting" "nvidia" ]
else [ "nvidia" ];
hardware = {
graphics = {
@@ -11,7 +21,7 @@
intel-media-driver
libvdpau-va-gl
];
extraPackages32 = with pkgs-stable.pkgsi686Linux; [nvidia-vaapi-driver intel-media-driver];
extraPackages32 = with pkgs-stable.pkgsi686Linux; [ nvidia-vaapi-driver intel-media-driver ];
};
nvidia = {
@@ -24,21 +34,28 @@
nvidiaSettings = true;
package = config.boot.kernelPackages.nvidiaPackages.stable;
prime = lib.optionalAttrs config.host.laptop {
intelBusId = "PCI:0:2:0";
nvidiaBusId = "PCI:1:0:0";
prime = lib.optionalAttrs isPrimeOffload {
offload = {
enable = true;
enableOffloadCmd = true;
};
intelBusId = primeCfg.intelBusId;
nvidiaBusId = primeCfg.nvidiaBusId;
};
};
};
environment.sessionVariables = {
__GL_VRR_ALLOWED = 1;
ELECTRON_OZONE_PLATFORM_HINT = "auto";
NIXOS_OZONE_WL = 1;
} // lib.optionalAttrs isPrimeOffload {
LIBVA_DRIVER_NAME = "iHD";
} // lib.optionalAttrs (!isPrimeOffload) {
WLR_NO_HARDWARE_CURSORS = 1;
WLR_DRM_NO_ATOMIC = 1;
GBM_BACKEND = "nvidia-drm";
LIBVA_DRIVER_NAME = "nvidia";
__GLX_VENDOR_LIBRARY_NAME = "nvidia";
__GL_VRR_ALLOWED = 1;
ELECTRON_OZONE_PLATFORM_HINT = "auto";
NIXOS_OZONE_WL = 1;
};
}