GIM doesn't work next to AMDGPU.

[arthurrasmusson]

Both Intel's i915 driver & Nvidia's driver allow for merged host Direct Rendering Manager (DRM) and VFIO-mdev graphics functionality alongside one another.
(Intel example):
https://01.org/sites/default/files/documentation/an_introduction_to_intel_gvt-g_for_external.pdf

The GPU-IOV Module driver code should be merged with the AMDGPU driver to allow the user to both accelerate the host desktop environment and guest VM using their AMD GPU device.