[Bug 88648] New: [SNB]when connect to 2 monitor and start x, unplug/plug one of them will change mode from clone to extend.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88648

            Bug ID: 88648
           Summary: [SNB]when connect to 2 monitor and start x,
                    unplug/plug one of them will change mode from clone to
                    extend.
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hengx.ding at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

==System Environment==
--------------------------
Regression: no, I didn't found good commit on testing branch.

==kernel==
--------------------------
drm-intel-testing:6dd5bb25ce0ed3a0012b69d553d74e1a0d39c313

==Bug detailed description==
--------------------------
1.Connect SNB to 2 monitors, one of them is DP, the other is DVI.
2.startx
3.xrandr --output DP2 --same-as HDMI3
4.unplug DP monitor
5.plug DP monitor.
6.check if the monitors stay in clone mode.

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