[Intel-gfx] [regression] drm/i915: cleanup per-pipe reg usage

[Jesse Barnes]

On Sat, 12 Feb 2011 22:02:36 +0100
Alexey Fisher <bug-track at fisher-privat.net> wrote:

> In attachment are reg_dumps.
> 
> intel_1 - is gdm login screen, every thing is ok
> intel_2 - is after login, noise
> intel_3 - is after mouse pointer was placed to the upper left corner,
> image is ok again.
> 
> Am Samstag, den 12.02.2011, 18:09 +0000 schrieb Chris Wilson:
> > 
> > On Sat, 12 Feb 2011 15:16:16 +0100, Alexey Fisher
> > <bug-track at fisher-privat.net> wrote:
> > > Video is in attachment.
> > > 
> > > If mouse pointer is on the left top corner i get still image .. if
> > not -
> > > noise.
> > 
> > I think intel_reg_dumper before/after will be the best guide as to
> > where
> > the mistake crept in.
> > -Chris

Also, seeing the kernel messages from a clean boot after setting
drm.debug=4 would help; they'll tell us what FIFO watermarks we used
and might help me track down the flicker.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center