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Merge pull request #194 from blitz/l14-amd 

Add support for the Lenovo Thinkpad L14 (AMD) laptop
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Jörg Thalheim 2020-10-15 02:12:51 +02:00 committed by GitHub
parent 55acbf7497 ccf7985cb3
commit b3827275b7
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2
README.md
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@ -97,6 +97,8 @@ See code for all available configurations.
| Lenovo ThinkPad E470 | `<nixos-hardware/lenovo/thinkpad/e470>`
| Lenovo ThinkPad E495 | `<nixos-hardware/lenovo/thinkpad/e495>` |
| Lenovo ThinkPad L13 | `<nixos-hardware/lenovo/thinkpad/l13>` |
| Lenovo ThinkPad L14 (Intel) | `<nixos-hardware/lenovo/thinkpad/l14/intel> |
| Lenovo ThinkPad L14 (AMD) | `<nixos-hardware/lenovo/thinkpad/l14/amd> |
| Lenovo ThinkPad P53 | `<nixos-hardware/lenovo/thinkpad/p53>` |
| Lenovo ThinkPad T410 | `<nixos-hardware/lenovo/thinkpad/t410>` |
| Lenovo ThinkPad T420 | `<nixos-hardware/lenovo/thinkpad/t420>` |

2
flake.nix
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@ -31,6 +31,8 @@
lenovo-thinkpad-e470 = import ./lenovo/thinkpad/e470;
lenovo-thinkpad-e495 = import ./lenovo/thinkpad/e495;
lenovo-thinkpad-l13 = import ./lenovo/thinkpad/l13;
lenovo-thinkpad-l14-intel = import ./lenovo/thinkpad/l14/intel;
lenovo-thinkpad-l14-amd = import ./lenovo/thinkpad/l14/amd;
lenovo-thinkpad-p53 = import ./lenovo/thinkpad/p53;
lenovo-thinkpad-t410 = import ./lenovo/thinkpad/t410;
lenovo-thinkpad-t420 = import ./lenovo/thinkpad/t420;

19
lenovo/thinkpad/l14/amd/default.nix Normal file
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@ -0,0 +1,19 @@
{ config, lib, pkgs, ... }:
{
imports = [
../.
../../../../common/cpu/amd
];
boot.kernelParams = [
# With BIOS version 1.12 and the IOMMU enabled, the amdgpu driver
# either crashes or is not able to attach to the GPU depending on
# the kernel version. I've seen no issues with the IOMMU disabled.
"iommu=off"
];
# As of writing this, Linux 5.8 is the oldest kernel that is still
# supported and has decent Renoir support.
boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.8") pkgs.linuxPackages_latest;
}

14
lenovo/thinkpad/l14/default.nix Normal file
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@ -0,0 +1,14 @@
{ config, lib, pkgs, ... }:
{
imports = [
../.
../../../common/pc/laptop/acpi_call.nix
];
boot.kernelParams = [
# Force use of the thinkpad_acpi driver for backlight control.
# This allows the backlight save/load systemd service to work.
"acpi_backlight=native"
];
}

10
lenovo/thinkpad/l14/intel/default.nix Normal file
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@ -0,0 +1,10 @@
{ config, lib, pkgs, ... }:
{
imports = [
../.
../../../../common/cpu/intel
];
services.throttled.enable = lib.mkDefault true;
}