amd 6900hx

I made the following attempts： First of all, host machine: miniforum um690 CPU: amd R9 6900HX with iGPU AMD Radeon 680M PVE version: 7.3 guest machine(vm): 1. add "amd_iommu=on" to kenrel cmdline, and then run update-grub 2. edit /etc/modules as follow: vfio vfio_iommu_type1 vfio_pci...