[Intel-gfx] [BUG/REGRESSION] Screen flickering

[Thomas Gummerer]

Sudip Mukherjee <sudipm.mukherjee at gmail.com> writes:

> On Wed, May 13, 2015 at 11:53:19AM +0200, Jan Niehusmann wrote:
>> Apr 30 08:50:23 localhost kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
>> Apr 30 08:50:23 localhost kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun
>> Apr 30 08:50:29 localhost kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>> Apr 30 08:50:29 localhost kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
> hi,
> I also have the similar entries in my dmesg, though my problem is a
> little different from yours and my bisect lead to another commit.
> And that also is still not fixed (last tested with 4.0).
>
> http://patchwork.freedesktop.org/patch/46071/

Thank you for the pointer, but this seems to be an unrelated issue.  I
tried applying the patch, but it doesn't fix the issues that I'm
experiencing.

> regards
> sudip