<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - Flickering Screen on Dell XPS13 9350" href="https://bugs.freedesktop.org/show_bug.cgi?id=94593#c37">Comment # 37</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - Flickering Screen on Dell XPS13 9350" href="https://bugs.freedesktop.org/show_bug.cgi?id=94593">bug 94593</a> from <a class="email" href="mailto:thomas.bonfort@gmail.com" title="thomas bonfort <thomas.bonfort@gmail.com>"> thomas bonfort</a> <pre>(In reply to thomas bonfort from <a href="show_bug.cgi?id=94593#c35">comment #35</a>) > (In reply to Rodrigo Vivi from <a href="show_bug.cgi?id=94593#c30">comment #30</a>) > > RC6p/RC6pp split got deprecated few generations ago. So on Skylake RC6 is > > the deepest already. > > > > Thomas, do you confirm disabling RC6 the flickerings goes away for you as > > well? > > with i915.enable_rc6=0 the flickering is gone. Maybe unrelated, but after > waking up from suspend I am now getting a new message: > > i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment I thought I had waited long enough before reporting, but apparently not so :) I just had a salve of flickers even with rc6=0. dmesg shows the usual: [17243.901481] [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe A FIFO underrun</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> </ul> </body> </html>