<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <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 <a class="email" href="mailto:krah.tm@gmail.com" title="Torsten Krah <krah.tm@gmail.com>"> Torsten Krah</a> <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> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>