[Bug 73687] New: [IVB DP Dongle] Apple miniDP-to-DP dongle hotplug fail after start X
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jan 15 23:53:30 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=73687
Priority: medium
Bug ID: 73687
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [IVB DP Dongle] Apple miniDP-to-DP dongle hotplug fail
after start X
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: qingshuai.tian at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 92207
--> https://bugs.freedesktop.org/attachment.cgi?id=92207&action=edit
dmesg of DP dongle plugged in after X starting
Environment:
-------------------
Kernel: (drm-intel-next-queued) f1fcde49872f390a4060fa9ee8b02d3f2a8508b7
Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843,
BIOS MBP102.88Z.0106.B03.1211161133 11/16/2012
Description:
--------------------
When I plugged the miniDP-to-DP dongle in the machine after booting up and
starting X, the DP monitor was black, while xrandr command showed "DP2
connected (normal left inverted right x axis y axis)".
After I set command "xrandr --output DP2 --preferred" , the monitor can show
correctly. And the hotplug will also work well since then.
The miniDP-to-DP dongle hotplug works well without starting X.
Test Step:
--------------------
1.reboot machine
2.start X
3.plug in miniDP-to-DP
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