[Bug 97907] drm/i915: start adding dp mst audio break multi monitor setup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97907

--- Comment #10 from Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com> ---
I was finally able to reproduce the issue with a SKL NUC w/  i5-6260U CPU @
1.80GHz

The flickers are triggered by underruns, which are in turn triggered when we
set the enable bit in HSW_AUD_PIN_ELD_CP_VLD (inactive bit zero).

I tested it by setting the inactive bit in the same register along with the
enable bit, this case did not trigger flickers.

So, it looks like the MST case needs to be handled differently.

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