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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - SKL screen flicker after suspend and dmesg "[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun" on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111201#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - SKL screen flicker after suspend and dmesg "[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun" on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111201">bug 111201</a>
from <span class="vcard"><a class="email" href="mailto:krah.tm@gmail.com" title="Torsten Krah <krah.tm@gmail.com>"> <span class="fn">Torsten Krah</span></a>
</span></b>
<pre>Hi, I am using kernel 5.3.4 with those boot options (with no success - still
happening):
intel_idle.max_cstate=4 i915.enable_psr=0
but still occasionally I get:
[15807.397665] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
and my external attached display port monitor on the dock is going black (only
the left one, the right one stays ok) and about 1-2 seconds l8r picture is
there again.
Anything else I can provide or try to get rid of those flicker / black screen?</pre>
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