Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Matt Roper
On Tue, May 12, 2015 at 09:54:07PM +0200, Thomas Gummerer wrote: > > Hi, > > I noticed that on my machine the screen starts to flicker after I > suspend and resume my machine, on the main laptop display if an external > display is attached with kernel v4.1-rc1. I tracked the regression down > to

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Sudip Mukherjee
On Wed, May 13, 2015 at 01:27:06PM +0200, Thomas Gummerer wrote: > Sudip Mukherjee writes: > > > On Wed, May 13, 2015 at 11:53:19AM +0200, Jan Niehusmann wrote: > > http://patchwork.freedesktop.org/patch/46071/ > > Thank you for the pointer, but this seems to be an unrelated issue. I > tried ap

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Sudip Mukherjee
On Wed, May 13, 2015 at 01:10:11PM +0200, Jan Niehusmann wrote: > On Wed, May 13, 2015 at 04:02:25PM +0530, Sudip Mukherjee wrote: > > > What I'm missing in the report, are some log entries I'm seeing on my > > > notebook: > > > > > > Apr 30 08:50:23 localhost kernel: > > > [drm:intel_cpu_fifo_un

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Thomas Gummerer
Sudip Mukherjee 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 >> [i

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Thomas Gummerer
Jan Niehusmann writes: > Hi, > > On Wed, May 13, 2015 at 12:14:39PM +0300, Jani Nikula wrote: >> Is this the same as https://bugzilla.kernel.org/show_bug.cgi?id=98141 ? > > The visible effect in the video is similar to what I see on the LVDS > display. I also see some influence of the mouse point

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Jan Niehusmann
On Wed, May 13, 2015 at 04:02:25PM +0530, Sudip Mukherjee wrote: > > What I'm missing in the report, are some log entries I'm seeing on my > > notebook: > > > > 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

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Sudip Mukherjee
On Wed, May 13, 2015 at 11:53:19AM +0200, Jan Niehusmann wrote: > Hi, > > On Wed, May 13, 2015 at 12:14:39PM +0300, Jani Nikula wrote: > > Is this the same as https://bugzilla.kernel.org/show_bug.cgi?id=98141 ? > > The visible effect in the video is similar to what I see on the LVDS > display. I

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Jan Niehusmann
Hi, On Wed, May 13, 2015 at 12:14:39PM +0300, Jani Nikula wrote: > Is this the same as https://bugzilla.kernel.org/show_bug.cgi?id=98141 ? The visible effect in the video is similar to what I see on the LVDS display. I also see some influence of the mouse pointer position on the blanked areas. T

Re: [BUG/REGRESSION] Screen flickering

2015-05-13 Thread Jani Nikula
On Tue, 12 May 2015, Thomas Gummerer wrote: > Hi, > > I noticed that on my machine the screen starts to flicker after I > suspend and resume my machine, on the main laptop display if an external > display is attached with kernel v4.1-rc1. I tracked the regression down > to commit c9f038a1a592 ("d

[BUG/REGRESSION] Screen flickering

2015-05-12 Thread Thomas Gummerer
Hi, I noticed that on my machine the screen starts to flicker after I suspend and resume my machine, on the main laptop display if an external display is attached with kernel v4.1-rc1. I tracked the regression down to commit c9f038a1a592 ("drm/i915: Don't assume primary & cursor are always on fo