(In reply to thomas bonfort from comment #35) > (In reply to Rodrigo Vivi from comment #30) > > 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554613 Title: screen flickering on XPS13 9350 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1554613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
