[Bug 83461] hdmi screen flicker/unusable

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=83461

Christian König <deathsimple at vodafone.de> changed:

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--- Comment #32 from Christian König <deathsimple at vodafone.de> ---
Created attachment 163891
  --> https://bugzilla.kernel.org/attachment.cgi?id=163891&action=edit
Possible fix

Unfortunately I don't have any more ideas either. There must be some
undocumented limitation on RS880 and maybe older chips that don't seem to
exists any more on newer ones.

Unfortunately my last RS880 based system blow up about a month ago, so I can't
test this any more.

Please test the attached patch, it just artificial limits the reference divider
to 7 on RS880 and older chips. If that works I'm going to submit the patch
upstream.

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