[Bug 102793] [BYT][HDMI][Wayland][Z36xxx/Z37xxx Series] [Graphics] do not detect Samsung U28E590D UHD 4K resolution, stays stuck at 1920×1080

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 18 08:19:44 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=102793

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #7 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Nicolas Mailhot from comment #6)
> Well 2400x1300 would still be better than 1920x1080

Between 3840x2160 and 1920x1080 your display only supports 2560x1440 which also
requires a pixel clock too high for your Baytrail.

> I suppose an hdmi do display port converter won't allow going further, the
> limit is in the chipset hdmi support ?

Correct. You might get it to work using a DP to HDMI active protocol converter,
but truthfully there have been issues with them too.

It's still NOTABUG.

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