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Merge pull request #310 from blitz/l14-amd

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Thinkpad L14 AMD Updates
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Jörg Thalheim 2021-08-26 11:50:21 +01:00 committed by GitHub
commit 342048461d
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2 changed files with 8 additions and 7 deletions
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14
lenovo/thinkpad/l14/amd/default.nix
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@ -4,6 +4,7 @@
imports = [
../.
../../../../common/cpu/amd
../../../../common/gpu/amd
];
boot.kernelParams = [
@ -11,13 +12,12 @@
# 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.
#
# BIOS version 1.13 claims to fix IOMMU issues, but we leave the
# IOMMU off to avoid a sad experience for those people that drew
# BIOS version 1.13 fixes the IOMMU issues, but we leave the IOMMU
# in software mode to avoid a sad experience for those people that drew
# the short straw when they bought their laptop.
"iommu=off"
#
# Do not set iommu=off, because this will cause the SD-Card reader
# driver to kernel panic.
"iommu=soft"
];
# 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;
}

1
lenovo/thinkpad/l14/default.nix
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@ -3,6 +3,7 @@
{
imports = [
../.
../../../common/pc/laptop/ssd
../../../common/pc/laptop/acpi_call.nix
];