From dc5fa221b2612a3045a42d0c97e110af7573f0bc Mon Sep 17 00:00:00 2001 From: Julian Stecklina Date: Sat, 5 Dec 2020 14:02:07 +0100 Subject: [PATCH] lenovo/thinkpad/l14/amd: update iommu comment --- lenovo/thinkpad/l14/amd/default.nix | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lenovo/thinkpad/l14/amd/default.nix b/lenovo/thinkpad/l14/amd/default.nix index b16caf0..c2d1534 100644 --- 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" ];