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nixos/modules: assertion for required PM files

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Edmund Wu 2021-07-26 16:48:50 -04:00
parent 4fb40709eb
commit 573aae39e2
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13
nixos/modules/hardware/video/nvidia.nix
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@ -179,28 +179,41 @@ in
You cannot configure both an Intel iGPU and an AMD APU. Pick the one corresponding to your processor.
'';
}
{
assertion = primeEnabled -> pCfg.nvidiaBusId != "" && (pCfg.intelBusId != "" || pCfg.amdgpuBusId != "");
message = ''
When NVIDIA PRIME is enabled, the GPU bus IDs must configured.
'';
}
{
assertion = offloadCfg.enable -> versionAtLeast nvidia_x11.version "435.21";
message = "NVIDIA PRIME render offload is currently only supported on versions >= 435.21.";
}
{
assertion = !(syncCfg.enable && offloadCfg.enable);
message = "Only one NVIDIA PRIME solution may be used at a time.";
}
{
assertion = !(syncCfg.enable && cfg.powerManagement.finegrained);
message = "Sync precludes powering down the NVIDIA GPU.";
}
{
assertion = cfg.powerManagement.enable -> offloadCfg.enable;
message = "Fine-grained power management requires offload to be enabled.";
}
{
assertion = cfg.powerManagement.enable -> (
builtins.pathExists (cfg.package.out + "/bin/nvidia-sleep.sh") &&
builtins.pathExists (cfg.package.out + "/lib/systemd/system-sleep/nvidia")
);
message = "Required files for driver based power management don't exist.";
}
];
# If Optimus/PRIME is enabled, we: