On Thu, Oct 11, 2012 at 09:45:56AM +0100, Chris Wilson wrote:
> On Thu, 11 Oct 2012 10:37:54 +0200, Daniel Vetter wrote:
> > On Wed, Oct 10, 2012 at 11:37:36PM +0100, Chris Wilson wrote:
> > > On Wed, 10 Oct 2012 23:14:01 +0200, Daniel Vetter
> > > wrote:
> > > > It doesn't work since the gtt pt
On Thu, 11 Oct 2012 10:37:54 +0200, Daniel Vetter wrote:
> On Wed, Oct 10, 2012 at 11:37:36PM +0100, Chris Wilson wrote:
> > On Wed, 10 Oct 2012 23:14:01 +0200, Daniel Vetter
> > wrote:
> > > It doesn't work since the gtt pte range sits in the middle of the mmio
> > > bar. We didn't notice that
On Wed, Oct 10, 2012 at 11:37:36PM +0100, Chris Wilson wrote:
> On Wed, 10 Oct 2012 23:14:01 +0200, Daniel Vetter
> wrote:
> > It doesn't work since the gtt pte range sits in the middle of the mmio
> > bar. We didn't notice that since both my and Chris' gen2 machines
> > don't support PAT and hen
On Wed, 10 Oct 2012 23:14:01 +0200, Daniel Vetter
wrote:
> It doesn't work since the gtt pte range sits in the middle of the mmio
> bar. We didn't notice that since both my and Chris' gen2 machines
> don't support PAT and hence all wc io mapping request will
> automatically be demoted to uc.
>
>
It doesn't work since the gtt pte range sits in the middle of the mmio
bar. We didn't notice that since both my and Chris' gen2 machines
don't support PAT and hence all wc io mapping request will
automatically be demoted to uc.
This regression has been introduce in
commit edef7e685da05c13cce50c01
