start script

#!/bin/bash
set -x

# Stop display manager
systemctl stop gdm
killall gdm-x-session
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind

# sleep 10

# Unbind EFI Framebuffer
# echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind

sleep 5

# Unload AMD kernel module
modprobe -r amdgpu

# sleep 10

# Detach GPU devices from host
# Use your GPU and HDMI Audio PCI host device
virsh nodedev-detach pci_0000_01_00_0
virsh nodedev-detach pci_0000_01_00_1
virsh nodedev-detach pci_0000_00_14_0

# Load vfio module
modprobe vfio-pci