[Bug 104072] [GFX][SNB] Connecting three monitors one of them lost video signal
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Apr 10 17:08:58 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=104072
Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[GFX] Connecting three |[GFX][SNB] Connecting three
|monitors one of them lost |monitors one of them lost
|video signal |video signal
--- Comment #4 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
This is still easily reproduce with 4.16.0-rc7-commit617cddf0. Whenever SNB
laptop has DP and VGA connected the video signal will be lost in both monitors.
If i use
$ xrandr --output VGA-1 --auto
I'll get video in the VGA monitor, but if I do
$ xrandr --output DP-1 --auto
It will return:
xrandr: cannot find crtc for output DP-1
If only is used one output at the time, besides the laptop's display (LVDS-1),
it works properly.
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