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author | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:33 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:57 +0000 |
commit | 9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch) | |
tree | 1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/services/hardware/nvidia-optimus.nix | |
parent | 1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff) | |
parent | ddc3c396a51918043bb0faa6f676abd9562be62c (diff) | |
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out what the last version of Spectrum that worked on their NUC with Nvidia graphics is.
Diffstat (limited to 'nixos/modules/services/hardware/nvidia-optimus.nix')
-rw-r--r-- | nixos/modules/services/hardware/nvidia-optimus.nix | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/nvidia-optimus.nix b/nixos/modules/services/hardware/nvidia-optimus.nix new file mode 100644 index 00000000000..d53175052c7 --- /dev/null +++ b/nixos/modules/services/hardware/nvidia-optimus.nix @@ -0,0 +1,43 @@ +{ config, lib, ... }: + +let kernel = config.boot.kernelPackages; in + +{ + + ###### interface + + options = { + + hardware.nvidiaOptimus.disable = lib.mkOption { + default = false; + type = lib.types.bool; + description = '' + Completely disable the NVIDIA graphics card and use the + integrated graphics processor instead. + ''; + }; + + }; + + + ###### implementation + + config = lib.mkIf config.hardware.nvidiaOptimus.disable { + boot.blacklistedKernelModules = ["nouveau" "nvidia" "nvidiafb" "nvidia-drm"]; + boot.kernelModules = [ "bbswitch" ]; + boot.extraModulePackages = [ kernel.bbswitch ]; + + systemd.services.bbswitch = { + description = "Disable NVIDIA Card"; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = true; + ExecStart = "${kernel.bbswitch}/bin/discrete_vga_poweroff"; + ExecStop = "${kernel.bbswitch}/bin/discrete_vga_poweron"; + }; + path = [ kernel.bbswitch ]; + }; + }; + +} |