KDE Linux has already done this. It works around a long-running bug in the AMD GPU driver, which I believe also affects my test laptop. Without the workaround, the system freezes and does not recover until a hard reboot. Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com> --- host/efi.nix | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/host/efi.nix b/host/efi.nix index ecedb6bea6bf29c7a7303dc9062fe12b5c7a9fbd..a832489f3816ca66c2170f0f114a4a8e3a357e32 100644 --- a/host/efi.nix +++ b/host/efi.nix @@ -35,6 +35,6 @@ runCommand "spectrum-efi" { --linux ${kernel} \ --initrd ${initramfs} \ --os-release $'NAME="Spectrum"\n' \ - --cmdline "ro intel_iommu=on roothash=$roothash" + --cmdline "ro intel_iommu=on roothash=$roothash amdgpu.dcdebugmask=0x10" '' ) (_: {}) --- base-commit: 5b3151fd08d1f1e3e166a328449fe6fe5092f316 change-id: 20260520-disable-panel-self-refresh-6c5e1dc0bab5 -- Sincerely, Demi Marie Obenour (she/her/hers)