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nixos-hardware/lenovo/legion/16ach6h
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ChaosAttractor f83f6d1437 16ach6h: Add tags for Dual-Direct GFX (DDG) specialisation
2023-01-24 01:34:55 +08:00
..
edid treewide: apply deadnix and statix 2022-12-31 11:57:44 +01:00
hybrid treewide: apply deadnix and statix 2022-12-31 11:57:44 +01:00
nvidia Add standalone hybrid only and nvidia only modules 2022-12-19 23:10:28 +08:00
default.nix 16ach6h: Add tags for Dual-Direct GFX (DDG) specialisation 2023-01-24 01:34:55 +08:00
README.md Add standalone hybrid only and nvidia only modules 2022-12-19 23:10:28 +08:00

README.md

Introduction

Due to the introduction of DDG feature, you may toggle DDG frequently, so for the default settings of this laptop, we use "specialization" feature of Nix so that you can easily select the required graphics card driver in the startup menu.
But It will slow down NixOS evaluation by factor 2 and increase memory usage.
So if you don't need specialization feature, you can just use hybrid only configuration or nvidia only (DDG only) configuration

Setup at the time of testing

$ nix-info -m
 - system: `"x86_64-linux"`
 - host os: `Linux 6.0.9, NixOS, 22.11 (Raccoon), 22.11beta19.c9538a9b707`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.11.0`
 - channels(root): `"nixos-22.11"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`

$ lspci
...
01:00.0 VGA compatible controller: NVIDIA Corporation GA104M [GeForce RTX 3070 Mobile / Max-Q] (rev a1)
...
06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cezanne (rev c5)
...