[Bug 85048] [BDW-Y] DP display unable to light up

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Oct 15 22:26:46 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=85048

fangxun <xunx.fang at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from fangxun <xunx.fang at intel.com> ---
(In reply to Paulo Zanoni from comment #2)
> This log file suggests you have booted with eDP only. Is eDP the connector
> that was unable to light up? Which outputs were connected when you booted?
> After booting the machine, did you try to run xrandr to see what it would
> detect?
EDP is able to light up. I boot the machine with eDP and DP plugged. xrandr
did't detect DP display.

root at x-bdwy02:~# xrandr
Screen 0: minimum 8 x 8, current 3200 x 1800, maximum 32767 x 32767
eDP1 connected 3200x1800+0+0 (normal left inverted right x axis y axis) 293mm x
165mm
   3200x1800     60.00*+  48.01
   2048x1536     60.00
   1920x1440     60.00
   1856x1392     60.01
   1792x1344     60.01
   1600x1200     60.00
   1400x1050     59.98
   1280x1024     60.02
   1280x960      60.00
   1024x768      60.00
   800x600       60.32    56.25
   640x480       59.94
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)


Also: how many DP ports does this machine have? If there's more
> than cone, can you try connecting on another?
There are one DP port and one HDMI port. I boot system with eDP and HDMI
plugged, HDMI is able to light up.

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