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lenovo/thinkpad/l14/amd: update iommu comment

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Julian Stecklina 2020-12-05 14:02:07 +01:00
parent 025c7a2a7e
commit dc5fa221b2
1 changed files with 4 additions and 0 deletions
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4
lenovo/thinkpad/l14/amd/default.nix
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@ -10,6 +10,10 @@
# 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.
#
# 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
# the short straw when they bought their laptop.
"iommu=off"
];