Merge pull request #217 from blitz/l14-amd

lenovo/thinkpad/l14/amd: update iommu comment
2020-12-06 11:28:23 +00:00 · 2020-12-06 11:28:23 +00:00 · 87522b29a2
parent 025c7a2a7e dc5fa221b2
commit 87522b29a2
1 changed files with 4 additions and 0 deletions
--- a/lenovo/thinkpad/l14/amd/default.nix
+++ b/lenovo/thinkpad/l14/amd/default.nix
@ -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"
  ];