[Intel-gfx] Framebuffer compression with 2.6.32-rc

Tino Keitel tino.keitel+xorg at tikei.de
Thu Oct 15 13:14:20 CEST 2009


On Thu, Oct 15, 2009 at 12:41:09 +0200, Florian Mickler wrote:
> On Wed, 14 Oct 2009 15:24:37 -0700
> Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> 
> > 
> > It should be checking the enable bit instead, the compressing bit will
> > be turning on & off a lot.
> > 
> > But we have a register dumper for this, so I don't think we need a
> > debugfs file...
> > 
> 
> On Thu, 15 Oct 2009 07:06:50 +0200
> Tino Keitel <tino.keitel+xorg at tikei.de> wrote:
> > 
> > I already asked, but no reply yet: how do I actually use this register
> > dumper, and how do I see if FBC is enabled?
> > 
> > Regards,
> > Tino
> 
> hm... good question... i get this:
> 
> # ./intel_reg_dumper  | grep FBC
> (II):         FBC_CFB_BASE: 0x7f800000
> (II):          FBC_LL_BASE: 0x7e082000
> (II):          FBC_CONTROL: 0x00000000
> (II):          FBC_COMMAND: 0x00000000
> (II):           FBC_STATUS: 0x20000000
> (II):         FBC_CONTROL2: 0x00000000
> (II):        FBC_FENCE_OFF: 0x00000000
> (II):          FBC_MOD_NUM: 0x00000000

Thanks. I looked into src/reg_dumper/ and tried the tools there, and
saw nothing obvious. The tool intel_reg_dumper is missing. I now
installed the Debian debug package which contains the tool.

Regards,
Tino



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