[Bug 105848] [KBL] Distortion Noisy Audio when continuously resolution changed on DisplayPort...

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 13 13:16:33 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=105848

--- Comment #16 from Abhijeet Kumar <abhijeet.kumar at intel.com> ---
(In reply to Sriram Periyasamy from comment #15)
> What are we trying to achieve here with the info?

We are checking the mapping of the display audio channel and HDA channel. 

As two debug registers are cleared after display modest in noisy case.
AUD_TCA_INFOFR (0x54) 0x00000000  Audio Widget Data Island Packet - Transcoder
A
AUD_OUT_CHAN_MAP (0x88) 0x00000000  Audio Output Channel Mapping

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