lspci -k
29:00.0 VGA compatible controller: NVIDIA Corporation GM204 [GeForce GTX 970] (rev a1)
	Subsystem: eVga.com. Corp. GM204 [GeForce GTX 970]
	Kernel driver in use: nvidia
	Kernel modules: nvidiafb, nouveau, nvidia_375_drm, nvidia_375
29:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio Controller (rev a1)
	Subsystem: eVga.com. Corp. GM204 High Definition Audio Controller
	Kernel driver in use: vfio-pci
	Kernel modules: snd_hda_intel

lspci -nn
29:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204 [GeForce GTX 970] [10de:13c2] (rev a1)
29:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition Audio Controller [10de:0fbb] (rev a1)

/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="nosplash amd_iommu=on vfio-pci.ids=10de:13c2,10de:0fbb"