[Intel-gfx] [PATCH] Enable FBC on IVB architecture.

Jesse Barnes jbarnes at virtuousgeek.org
Tue Jan 17 18:12:10 CET 2012

On Tue, 17 Jan 2012 12:22:44 +0100
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Thu, Oct 20, 2011 at 03:15:09PM -0200, Eugeni Dodonov wrote:
> > This is mostly similar to Ironlake, with some register changes and
> > additional tricks.
> > 
> > Jesse mentioned that it would make more sense to move those bits into
> > ivb-specific functions instead of making this work within ironlake ones,
> > so I added the corresponding functions and setup their pointers
> > accordingly.
> > 
> > v2: Now the correct patch.
> > 
> > Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
> Anyone got an opinion on whether this is worth it power-consumption wise?
> fbc has been a bit of a disaster and we have it disabled almost everywhere
> ...

We also need some workarounds on IVB we haven't implemented yet.  I'd
say just keep it out of IVB+ unless we can show a real benefit and have
all the workarounds in place.

Jesse Barnes, Intel Open Source Technology Center
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