Comment 0 for bug 1768399

[Machine]
Dell Vostro 3900
  [Version]
1804 final 20180427.3 enhanced
  [Details]
[kylin-display-switch] When pressing super+P to switch among four display modes, the screen will become balck or blurred.
【显示切换】显示切换过程中出现黑屏，花屏
  [Test Case]
1. Connect two monitors
2. press super+P to switch among four display modes
Expected Result: Passed
Actual Result:
the screen will become balck or blurred.