[Intel-gfx] [PATCH 0/2] drm/i915: enable CxSR and FBC on Sandybridge

[Yuanhan Liu]

On Wed, Dec 15, 2010 at 10:32:50AM +0000, Chris Wilson wrote:
> On Wed, 15 Dec 2010 15:42:30 +0800, Yuanhan Liu <yuanhan.liu at linux.intel.com> wrote:
> > Hi, 
> > 
> > This two patches enable self refresh and frame buffer compression
> > on Sandybridge.
> > 
> > FYI, with my test, enable CxSR would save about 0.7W, while enable
> > FBC would save about 0.1~0.2W.
> 
> Do you have some numbers comparable to
> https://bugs.freedesktop.org/show_bug.cgi?id=31588 ?
> I'm interested to know if, first, we are able to reproduce those numbers
> and, 

Will update it at bugzilla soon.

> secondly, if we've started to narrow the 3W gap for enabling a pipe
> between the Windows driver and ourselves.

This two patches mostly save just about 1W;)


Thanks.
Yuanhan Liu