[Bug 91410] [BDW][Audio][HD-A Display] DP/HDMI audio playback abnormal

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91410

--- Comment #1 from Lu, Han <han.lu at intel.com> ---
The issue can be reproduced in X mode and text mode.
In normal case, cd_clock is 337500;
In abnormal case, cd_clock is 675000;
I added a patch that set the same bclk_m/bclk_n value for cd_clock 675000 as
for 337500, and the distort disappeared.
I suspect the cd_clock was actually 337500 but somehow be passed to audio
driver 675000 by mistake.

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