[Bug 94440] New: [BXT-P/APL] he DP monitor blinks under 4K resolution when both HDMI and DP monitors are connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94440

            Bug ID: 94440
           Summary: [BXT-P/APL] he DP monitor blinks under 4K resolution
                    when both HDMI and DP monitors are connected
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: han.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

The DP monitor blinks under 4K resolution, but HDMI monitor works well under
4K.

Reproduce Steps
==============
1.under X windows
2.$ xrandr --output DP2 --mode 3840x2160

Expected Result
==============
DP monitor works well under 4K resolution.

Actual Result
==============
DP monitor blinks.

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