[Intel-gfx] Framebuffer compression with 2.6.32-rc

[Eric Anholt]

On Tue, 2009-10-13 at 14:28 -0400, Matt Turner wrote:
> On Tue, Oct 13, 2009 at 1:58 PM, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> > On Tue, 13 Oct 2009 19:23:05 +0200
> > Tino Keitel <tino.keitel+xorg at tikei.de> wrote:
> >
> >> Hi folks,
> >>
> >> I use Xserver 1.6.4, xorg-intel 2.9.0 and kernel 2.6.32-rc4. How to I
> >> see if framebuffer compression is enabled or not? Before KMS, I could
> >> see in in Xorg.0.log.
> >>
> >> The hardware is a ThinkPad X61s with i965 graphics.
> >
> > You have to do a register dump and check FBC regs or enable DRM
> > debug output and look for the "fbc enabled" messages.
> 
> Do we want it to be _that_ transparent?

It may very well be that we want to build an intel_gpu_powertop to track
the runtime status of our power savings efforts, or maybe integrate it
into upstream powertop.  But yes, this is all debugging stuff that
should be entirely transparent.

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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