[Bug 94248] MegaChips MCDP2800 LSPCON and ASRock Fatal1ty Z170 Gaming-ITX/ac issues (Broadcast RGB, HDMI output, triple monitor not working)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94248

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #87 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to nw9165-3201 from comment #86)
> (In reply to Jani Nikula from comment #85)
> > If the mode you are using is a CEA mode, it should default to limited range
> > per the HDMI and CEA specs. This was fixed some time after v4.4.
> 
> Then why does it default to full range on one HDMI port and to limited range
> on the other HDMI port?

Same exact mode used with both ports?

If so, then it sounds like there's a bug somewhere. Please attach dmesg w/
drm.debug=0xe that shows the modeset for each of the ports.

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