[Bug 108821] DisplayPort always defaults to incorrect limited-range RGB on FullHD external display
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Nov 21 13:56:03 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=108821
--- Comment #3 from Jani Nikula <jani.nikula at intel.com> ---
So you have a DP MST branch device in the dock and an active DP->HDMI protocol
converter cable, and you call that "nothing special"? :)
My guess is that the CEA range main stream attribute is lost in the protocol
translation.
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