[Bug 94593] Flickering Screen on Dell XPS13 9350

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94593

--- Comment #37 from thomas bonfort <thomas.bonfort at gmail.com> ---
(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 are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20160418/3c04f8e3/attachment.html>