[Bug 104952] [regression] Loss of i915 (Apollo Lake/Broxton) HDMI audio after display sleep v4.14+

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104952

--- Comment #15 from Imre Deak <imre.deak at intel.com> ---
(In reply to Simon Casey from comment #14)
> Created attachment 137248 [details]
> dmesg from drm-tip 2e76a2952923eb patched with attachment 137246 [details]
> [review]
> 
> Here's dmesg as requested.

Thanks, so AUD_FREQ_CNTRL has just the reset value, so (for you at least) the
lack of save/restore doesn't matter.

> 
> I realised i wasn't running 'make clean' after each bisect stage previously,
> Almost complete with a new bisect but it seems to be homing in on a dead end
> again... Only commits left are from 55a0b9d70a6c57 to edeb729f7929d1, none
> of which look at all related.

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