[Bug 99738] New: [APL][BAT] kms_busy at basic-flip-default-c gives *ERROR* Atomic update failure on pipe B on

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99738

            Bug ID: 99738
           Summary: [APL][BAT] kms_busy at basic-flip-default-c gives *ERROR*
                    Atomic update failure on pipe B on
           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: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 129446
  --> https://bugs.freedesktop.org/attachment.cgi?id=129446&action=edit
dmesg during tests

On APL kms_busy at basic-flip-default-c gives following error:

Command 
/opt/igt/tests/kms_busy --run-subtest basic-flip-default-C
Dmesg   
[  347.349870] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe B (start=56 end=57) time 112 us, min 1073, max 1079, scanline start
1072, end 1081

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