[Bug 86735] New: [hsw dp] DP1.2 monitor wrong resolution is detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86735

            Bug ID: 86735
           Summary: [hsw dp] DP1.2 monitor wrong resolution is detected
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: dimitri.j.ledkov at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 110052
  --> https://bugs.freedesktop.org/attachment.cgi?id=110052&action=edit
dp1.2.txt

The screen's native resolution is 1920x1080 I believe, and it can be seen to
boot to correct resolution in bug 86733.

In that bug report the screen is set to DisplayPort 1.1a setting, it takes a
long time to initialise, but gets the correct screen resolution.

When I set the monitor to DisplayPort 1.2 the screen initialisation is fast,
however gets the wrong resolution - it doesn't look widescreen but rather
something like 1024x768

This is still Intell haswell NUC.

Maybe haswell NUC does not support DisplayPort 1.2, I don't know.

If there is anything else that I can provide let me know.

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