[Bug 105584] [CI] [SNB only] igt at testdisplay - dmesg-warn - *ERROR* uncleared pch fifo underrun on pch transcoder A |& *ERROR* PCH transcoder A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105584

--- Comment #1 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3990/shard-hsw5/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-render.html

<7>[  814.602967] [drm:intel_enable_pipe [i915]] enabling pipe A
<7>[  814.603086] [drm:haswell_crtc_enable [i915]] iCLKIP clock: found settings
for 65000KHz refresh rate: auxdiv=0, divsel=27, phasedir=0, phaseinc=22
<3>[  814.670444] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
<3>[  814.670742] [drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO
underrun

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