[Bug 94248] Can't get triple monitors working

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 21 21:56:27 UTC 2016


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

--- Comment #77 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Joaquin Ruiseco from comment #71)
> Hi, I have an Asus UX303UB laptop with a skylake I7-6500U.  Ever since I
> installed linux with 2 external monitors I've been having problems.  Some
> kernels simply crash, some only recognize 2 monitors.  The setup is as
> follows:
> 
> HDMI-2  @ 1080p     
> DP-1    @ 1024x768  on a mini-DP to VGA dongle  
> eDP-1   @ 3200x1800 on the notebook's screen
> 
> Currently the most stable kernel that I've used is 4.6.4-301 on fc24.  Every
> kernel I've used after that one has a problem (4.7.2-201, 4.7.3-200,
> 4.7.4-200, 4.7.5-200).  Mostly they don't recognize the DP-1 external
> monitor.

Presumably this DP->VGA issue was fixed by

commit 16c83fad79ca912b8b5bbdcb5272794a2be41262
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Mon Oct 3 10:55:16 2016 +0300

    drm/i915: Allow DP to work w/o EDID

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