On Tue, 02 Aug 2016, libin.yang@xxxxxxxxxxxxxxx wrote:
> From: Libin Yang <libin.yang@xxxxxxxxxxxxxxx>
>
> When modeset occurs and the LS_CLK is set to some
> special values in DP mode, the N/M need to be set
> manually if audio is playing.
>
> The relationship of Maud and Naud is expressed in
> the following equation:
> Maud/Naud = 512 * fs / f_LS_Clk
>
> Please refer VESA DisplayPort Standard spec for details.
>
> Also, the patch applies
> commit 7e8275c2f2bb ("drm/i915: set proper N/CTS in modeset")
> to APL platform.
Whenever a commit message says "also", it makes me think the patch
should probably be split to several patches. And that is certainly true
here.
--
Jani Nikula, Intel Open Source Technology Center
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