Use lspci -nn to find the Vendor and Device IDs for your GPU and its associated audio controller.

A GPU gives you a display, but you still need a smooth mouse and keyboard. Passing through an entire USB Controller is better than passing through individual HID devices for zero latency. 5. Why Bother?

Before touching the VM, you must "isolate" the GPU so the Linux host doesn't try to use it.

In virt-manager or your Libvirt XML, you must add the PCI devices for the GPU. Ensure you also pass through the GPU Audio device, or you may experience stuttering or crashes. 4. Common Pitfalls