Для проброса графического адаптера в виртуальную машину  KVM следует указать
при загрузке параметры ядра

   rd.driver.pre=vfio_pci rd.driver.pre=vfio-pciwq iommu=pt intel_iommu=on kvm.ignore_msrs=1 

и добавить vfio-pci в initramfs:

   # as Root
   gpu="0000:06:00.0"
   aud="0000:06:00.1"
   gpu_vd="$(cat /sys/bus/pci/devices/$gpu/vendor) $(cat /sys/bus/pci/devices/$gpu/device)"
   aud_vd="$(cat /sys/bus/pci/devices/$aud/vendor) $(cat /sys/bus/pci/devices/$aud/device)"
   
   function bind_vfio {
     echo "$gpu" > "/sys/bus/pci/devices/$gpu/driver/unbind"
     echo "$aud" > "/sys/bus/pci/devices/$aud/driver/unbind"
   
   # https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-pci
     echo "$gpu_vd" > /sys/bus/pci/drivers/vfio-pci/new_id
     echo "$aud_vd" > /sys/bus/pci/drivers/vfio-pci/new_id
   }
   
   function unbind_vfio {
     echo "$gpu_vd" > "/sys/bus/pci/drivers/vfio-pci/remove_id"
     echo "$aud_vd" > "/sys/bus/pci/drivers/vfio-pci/remove_id"
   
     echo 1 > "/sys/bus/pci/devices/$gpu/remove"
     echo 1 > "/sys/bus/pci/devices/$aud/remove"
     
     echo 1 > "/sys/bus/pci/rescan"
   }
   
   bind_vfio
   
   #QEMU emulator version 8.2.2 (qemu-8.2.2-1.fc40)
   NETWORK_DEVICE="virtio-net"
   MAC_ADDRESS="00:16:cb:00:21:19"
   # 0x28 - Raptor Lake fix. https://github.com/tianocore/edk2/discussions/4662
   CPU="host,host-phys-bits-limit=0x28"
   args=(
   -display gtk,grab-on-hover=on,full-screen=on
   -machine q35
   -accel kvm
   -cpu $CPU
   -m size=17338368k
   -overcommit mem-lock=off
   -smp 32,sockets=1,dies=1,clusters=1,cores=32,threads=1
   -no-user-config
   -nodefaults
   -rtc base=localtime,driftfix=slew
   -global kvm-pit.lost_tick_policy=delay
   -global ICH9-LPC.disable_s3=1
   -global ICH9-LPC.disable_s4=1
   -boot menu=off,strict=on
   -device qemu-xhci,id=xhci
   # VFIO 
   # VERY IMPORTANT PART. PLEASE NOTE THE FORMAT OF COMMAND
   # id":"pci.5","bus":"pcie.0","addr":"0x2.0x4" and "id":"pci.6","bus":"pcie.0","addr":"0x2.0x5"
   -device pcie-root-port,bus=pcie.0,id=pci_root,multifunction=true,addr=0x2
   -device '{"driver":"pcie-root-port","port":20,"chassis":5,"id":"pci.5","bus":"pcie.0","addr":"0x2.0x4"}'
   -device '{"driver":"pcie-root-port","port":21,"chassis":6,"id":"pci.6","bus":"pcie.0","addr":"0x2.0x5"}'
   -device '{"driver":"vfio-pci","host":"0000:06:00.0","id":"gpu","bus":"pci.5","addr":"0x0"}'
   -device '{"driver":"vfio-pci","host":"0000:06:00.1","id":"hdmiaudio","bus":"pci.6","addr":"0x0"}'
   #
   -drive id=HDD,if=virtio,file="$HDD",format=qcow2
   # Network
   -netdev user,id=net0
   -device "$NETWORK_DEVICE",netdev=net0,id=net0,mac="$MAC_ADDRESS"
   #
   -device virtio-serial-pci
   -usb
   -device usb-kbd
   -device usb-tablet
   -monitor stdio
   # Audio
   -audiodev   pa,id=aud1,server="/run/user/1000/pulse/native"
   -device ich9-intel-hda
   -device hda-duplex,audiodev=aud1
   #
   -device qxl-vga,vgamem_mb=128,vram_size_mb=128
   -device virtio-balloon-pci
   
   )
   qemu-system-x86_64 "${args[@]}"
   
   unbind_vfio