[Bug 74861] [hsw] Fast audio playback on Intel Haswell HDMI due to runtime pm

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=74861

David <rudder2 at gmail.com> changed:

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                 CC|                            |rudder2 at gmail.com

--- Comment #36 from David <rudder2 at gmail.com> ---
I can confirm that after hours of serching the internet and trying fixes that
passing i915.disable_power_well=0 on the kernel command line works around the
problem, letting audio play at the correct speed again.

I'm running a Shuttle SZ87R6 with Intel Core i7-4770K Intel Z87 Chipset using
on board video and audio.  The HDMI and Optical out is going to a Pioneer
Suround Sound System before the HDMI continues on to my projector. 

The S/PDIF works perfectly all the time but only has 2 channel audio which is
annoying so I wanted to use the HDMI of course.  All my read debugging matched
the others having same problem with all Intel hardware.  Followed everything
here and confirmed.  Want any more information from me I will supply anything
to help fix it right.

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