Problematic AMD 6600 passthrough to windows 11

-EFI Boot Systems; Add IOMMU Support-

nano /etc/kernel/cmdline
%> intel_iommu=on
    - OR -
%> amd_iommu=on

Save file and close

proxmox-boot-tool refresh


-Load VFIO modules at boot-

nano /etc/modules

vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

Save file and close


-Blacklist graphic drivers (optional)-

echo "options vfio_iommu_type1 allow_unsafe_interrupts=1" > /etc/modprobe.d/iommu_unsafe_interrupts.conf
echo "options kvm...