[Bug 104491] New: [BAT][GLK only] igt at kms_cursor_legacy@basic-flip-before-cursor-varying-size - *ERROR* CPU pipe A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104491

            Bug ID: 104491
           Summary: [BAT][GLK only]
                    igt at kms_cursor_legacy@basic-flip-before-cursor-varying
                    -size - *ERROR* CPU pipe A FIFO underrun
           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: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4113/shard-glkb4/igt@kms_cursor_legacy@basic-flip-before-cursor-varying-size.html

<7>[40087.920681] [IGT] kms_cursor_legacy: starting subtest
basic-flip-before-cursor-varying-size
<7>[40087.920973] [drm:drm_mode_addfb2] [FB:98]
<7>[40087.933596] [drm:gen8_irq_handler [i915]] hotplug event received, stat
0x00000008, dig 0x1a001818, pins 0x00000010
<7>[40087.933639] [drm:intel_hpd_irq_handler [i915]] digital hpd port A - long
<7>[40087.933676] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on
PIN 4 - cnt: 1
<7>[40087.933777] [drm:intel_dp_hpd_pulse [i915]] ignoring long hpd on eDP port
A
<3>[40087.934420] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
<7>[40087.934968] [drm:intel_fbc_underrun_work_fn [i915]] Disabling FBC due to
FIFO underrun.

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