[Bug 97442] [HSW HDMI] Audio with 44.1 khz not working when 1920x1080p screen refreshrate > 30hz

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Sep 13 19:36:28 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=97442

--- Comment #30 from Mark Wilczynski <Mark_Wilczynski at hotmail.com> ---
(In reply to Jani Nikula from comment #29)
> See also https://patchwork.freedesktop.org/series/11252/

That patch is similar to my solution.  It just needs to be expanded to deal
with a couple high-clock 1920x1080p modes instead of just 4K resolutions.

The incorrect TMDS clock for 1920x1080 at 59.940 is an unrelated bug but should be
addressed as well because it may affect the selection of proper N values
required to fix 44.1 kHz audio.

BTW, the CTS (or M) values in my patched table are not correct.  I didn't fill
those in because the code didn't use them for HDMI.  Only the N value is used.

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