[Bug 58010] New: [ilk DP] flickering after resume (WM?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58010

          Priority: medium
            Bug ID: 58010
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ilk DP] flickering after resume (WM?)
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: chris at chris-wilson.co.uk
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 71187
  --> https://bugs.freedesktop.org/attachment.cgi?id=71187&action=edit
intel_reg_dumper after resume

Upon resume, I'm seeing irregular flickering (about once every 3 seconds, and
sporadically repeating) where about 140 lines miss some pixels (regular black
columnar pattern). Smells like FIFO underrun, WM?

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