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feat(nvidia-prime): automatic battery-saver specialisation

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This enables a boot option that switches off NVIDIA GPU. Allows for battery saving.

@moduon MT-9339
This commit is contained in:
Jairo Llopis
2025-03-13 11:53:24 +00:00
committed by Jairo Llopis
parent a4bb30a900
commit 33d083f55b
1 changed files with 29 additions and 5 deletions
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24
common/gpu/nvidia/prime.nix
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@@ -3,6 +3,12 @@
{ {
imports = [ ./. ]; imports = [ ./. ];
options = {
hardware.nvidia.primeBatterySaverSpecialisation = lib.mkEnableOption "configure a specialisation which turns on NVIDIA Prime battery saver";
};
config = {
hardware.nvidia.prime = { hardware.nvidia.prime = {
offload = { offload = {
enable = lib.mkOverride 990 true; enable = lib.mkOverride 990 true;
@@ -10,4 +16,22 @@
}; };
# Hardware should specify the bus ID for intel/nvidia devices # Hardware should specify the bus ID for intel/nvidia devices
}; };
specialisation = lib.mkIf config.hardware.nvidia.primeBatterySaverSpecialisation {
battery-saver.configuration = {
system.nixos.tags = ["battery-saver"];
imports = [
# Leave only the integrated GPU enabled
./disable.nix
];
hardware.nvidia = {
prime.offload.enable = lib.mkForce false;
powerManagement = {
enable = lib.mkForce false;
finegrained = lib.mkForce false;
};
};
};
};
};
} }