Hi Christopher,

> Now, onto the intel-gpu-tools test. I ran intel_audio_dump as requested 
> and it only comes back with "Couldn't map MMIO region: No such file or 
> directory". I spent 10 minutes looking around on Google to no avail. It 
> seems it tries to mmap() something that doesn't exist.

What if you run it with

        export HAS_PCH_SPLIT=1
        intel_audio_dump

I also queued a patch for the tool. Note that if the above trick
failed to work, the applied patch won't help, too.

Thanks,
Fengguang