Re: [PATCH] drm/i915: Make 48bit full ppgtt configuration generic (v4)

Ville Syrjälä
2018-09-13T17:05:58Z

On Thu, Sep 13, 2018 at 10:02:57AM -0700, Bob Paauwe wrote:
> On Wed, 12 Sep 2018 17:10:58 +0100
> Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> > Quoting Bob Paauwe (2018-09-12 17:04:30)
> > > diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> > > index 43ed8b28aeaa..33d7225edbbb 100644
> > > --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> > > +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> > > @@ -181,6 +181,8 @@ struct drm_i915_private *mock_gem_device(void)
> > > I915_GTT_PAGE_SIZE_64K |
> > > I915_GTT_PAGE_SIZE_2M;
> > >
> > > + mkwrite_device_info(i915)->full_ppgtt_bits = 48;
> >
> > Actually the mock ppgtt is 64b.
> > -Chris
>
> Setting it 64 bit causes mock_hugepages to fail.

1<<64 somewhere?

--
Ville Syrjälä
Intel