[PATCH] i915/fbc: Disable on HSW by default for now

[Zanoni, Paulo R]

Em Sex, 2016-06-10 às 08:44 +0200, Stefan Richter escreveu:
> On Jun 09 Zanoni, Paulo R wrote:
> > 
> > Em Qui, 2016-06-09 às 11:58 -0400, Lyude escreveu:
> > > 
> > > From https://bugs.freedesktop.org/show_bug.cgi?id=96461 :
> > > 
> > > This was kind of a difficult bug to track down. If you're using a
> > > Haswell system running GNOME and you have fbc completely enabled
> > > and
> > > working, playing videos can result in video artifacts.
> [...]
> > 
> > > 
> > > For the time being, disable FBC for Haswell by default.  
> > In case we want to improve the commit message:
> > 
> > We also got reports from Steven Honeyman on openbox+roxterm, and
> > from
> > Stefan Richter.
> Perhaps also worth mentioning in the changelog:
> Stefan Richter reported kernel freezes (no video artifacts) when fbc
> is on.
> (E3-1245 v3 with HD P4600; openbox and some KDE and LXDE
> applications,
> thread begins at https://lkml.org/lkml/2016/4/26/813)

Patch merged with small additions to the commit message.

Thanks everybody involved,
Paulo