nvidia_unbind.bash

#!/usr/bin/env bash

pci_bus_id_nvidia_gpu="0000:01:00.0"
pci_bus_id_nvidia_audio="0000:01:00.1"

device_id_nvidia_gpu="10de 11c0"
device_id_nvidia_audio="10de 0e0b"

# stop xorg
systemctl stop sddm

# unbind virtual console
echo 0 > /sys/class/vtconsole/vtcon1/bind

# unbind efi framebuffer
echo "efi-framebuffer.0" > /sys/bus/platform/devices/efi-framebuffer.0/driver/unbind

# create new vfio-pci devices with ids of gpu and hdmi audio
echo "$device_id_nvidia_gpu" > /sys/bus/pci/drivers/vfio-pci/new_id
echo "$device_id_nvidia_audio" > /sys/bus/pci/drivers/vfio-pci/new_id

# unbind gpu and hdmi audio
echo "$pci_bus_id_nvidia_gpu" > /sys/bus/pci/devices/"$pci_bus_id_nvidia_gpu"/driver/unbind
echo "$pci_bus_id_nvidia_audio" > /sys/bus/pci/devices/"$pci_bus_id_nvidia_audio"/driver/unbind

# bind gpu and hdmi audio to vfio-pci
echo "$pci_bus_id_nvidia_gpu" > /sys/bus/pci/drivers/vfio-pci/bind
echo "$pci_bus_id_nvidia_audio" > /sys/bus/pci/drivers/vfio-pci/bind

# remove created ids
echo "$device_id_nvidia_gpu" > /sys/bus/pci/drivers/vfio-pci/remove_id
echo "$device_id_nvidia_audio" > /sys/bus/pci/drivers/vfio-pci/remove_id

# bind virtual console to internal gpu
echo 1 > /sys/class/vtconsole/vtcon1/bind

# start xorg again
systemctl start sddm