[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 #11 from Simon Casey <simon501098c at gmail.com> ---
Created attachment 137196
  --> https://bugs.freedesktop.org/attachment.cgi?id=137196&action=edit
Stack trace patch result from 42d9366d41a992

Attached is the dmesg including stack trace from a failure on 42d9366d41a992.
It also had the bxt_calc_cdclk() patch applied.

I tried the bxt_calc_cdclk() patch on both 42d9366d41a992 and latest drm-tip
but the issue is still present.

Since the issue isn't created by 42d9366d41a992 I haven't tried the 0002 and
0003 patches. May try a new bisect tomorrow and see if that produces up
anything better.

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