[Bug 83348] [ivb] No beamer on VGA [active DP-to-VGA convertor]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83348

--- Comment #16 from Arno <blouin.arno at gmail.com> ---
Still have the same problem on 4.7.3-200.fc24.x86_64 with a intel HD Graphics
5500 (a second graphical card is also present: VGA compatible controller:
Advanced Micro Devices, Inc. [AMD/ATI] Opal PRO [Radeon R7 M260]): everything
works fine with screens and tv, but projectors are not recognised (marked as
"disconnected").

The single solution for the moment is to add the mode using xrandr and to force
this last to use the mode:
xrandr --addmode DP2 1024x768
xrandr --output eDP1 --off --output DP2 --mode 1024x768

Here are the dmesg, xrandr, and xorg logs as required.

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