/etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on iommu=pt modprobe.blacklist=nouveau,amdgpu,radeon"

/etc/modprobe.d/vfio.conf:
blacklist nouveau
blacklist amdgpu
blacklist radeon
blacklist ohci-pci
options nouveau modeset=0
options vfio_pci ids=10de:1b80,10de:10f0,1002:67ef,1002:aae0



CHANGE IDS TO THOSE OF THE GPU (lspci -nnk)

set igpu in bios