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[Hardware/Nvidia] Fix suspend with Nvidia GPUs

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This commit is contained in:
Antoine Viallon 2023-04-16 22:35:50 +02:00
parent f4f6600ec5
commit 04cfbf21a4
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
2 changed files with 11 additions and 5 deletions
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14
hardware/nvidia/proprietary.nix
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@ -21,10 +21,14 @@ in {
example = 28;
type = types.int;
};
saveAllVram = mkEnableOption "back up all VRAM in /var/tmp before going to sleep. May reduce artifacts after resuming";
};
};
config = mkIf (cfg.enable && cfg.useProprietary) {
assertions = [];
boot.initrd.kernelModules = [
"nvidia"
"nvidia_drm"
@ -44,8 +48,10 @@ in {
services.xserver.exportConfiguration = true;
hardware.nvidia = {
powerManagement.enable = true;
powerManagement.finegrained = mkIf config.hardware.nvidia.prime.offload.enable true;
powerManagement = mkIf (config.hardware.nvidia.prime.offload.enable || cfg.proprietary.saveAllVram) {
enable = true;
finegrained = true;
};
modesetting.enable = true;
nvidiaSettings = true;
};
@ -55,8 +61,8 @@ in {
"nvidia-drm.modeset" = 1;
"nvidia.NVreg_UsePageAttributeTable" = 1;
}
// optionalAttrs cfg.saveAllVram {
"nvidia.NVreg_PreserveVideoMemoryAllocations" = 1;
// {
"nvidia.NVreg_PreserveVideoMemoryAllocations" = toValue cfg.proprietary.saveAllVram;
"nvidia.NVreg_TemporaryFilePath" = "/var/tmp/nvidia-gpu.vram.img";
}
;