Since there is overlap in supported devices, both modules load, but only
one will bind to a particular device depending on the model and user's
configuration.
amdgpu binds to all display class devices with VID 0x1002 and then
determines whether or not to bind to a device based on whether the
ktop.org;
> dri-devel@lists.freedesktop.org; linux-ker...@vger.kernel.org
> Subject: [PATCH] drm/amdgpu: Log if device is unsupported
>
> Since there is overlap in supported devices, both modules load, but only one
> will bind to a particular device depending on the model and user's
> configuration
