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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 = [ imports = [
../. ../.
../../../../common/cpu/amd ../../../../common/cpu/amd
../../../../common/gpu/amd
]; ];
boot.kernelParams = [ boot.kernelParams = [
@ -11,13 +12,12 @@
# either crashes or is not able to attach to the GPU depending on # 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. # 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 # BIOS version 1.13 fixes the IOMMU issues, but we leave the IOMMU
# IOMMU off to avoid a sad experience for those people that drew # in software mode to avoid a sad experience for those people that drew
# the short straw when they bought their laptop. # 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 = [ imports = [
../. ../.
../../../common/pc/laptop/ssd
../../../common/pc/laptop/acpi_call.nix ../../../common/pc/laptop/acpi_call.nix
]; ];