On Fri, Mar 14, 2014 at 12:14:05PM -0700, Ben Widawsky wrote:
> On Fri, Mar 14, 2014 at 07:40:30PM +0100, Daniel Vetter wrote:
> > On Fri, Mar 14, 2014 at 09:58:06AM -0700, Ben Widawsky wrote:
> > > The preliminary HW support check is no longer needed, and the
> > > calculation is simplified while here.
> > >
> > > Reported-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
> > > Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/i915/i915_gem_gtt.c | 9 +--------
> > > 1 file changed, 1 insertion(+), 8 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > > index 40a2b36..694112a 100644
> > > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > > @@ -1250,14 +1250,7 @@ static inline unsigned int gen8_get_total_gtt_size(u16 bdw_gmch_ctl)
> > > {
> > > bdw_gmch_ctl >>= BDW_GMCH_GGMS_SHIFT;
> > > bdw_gmch_ctl &= BDW_GMCH_GGMS_MASK;
> > > - if (bdw_gmch_ctl)
> > > - bdw_gmch_ctl = 1 << bdw_gmch_ctl;
> > > - if (bdw_gmch_ctl > 4) {
> > > - WARN_ON(!i915_preliminary_hw_support);
> > > - return 4<<20;
> > > - }
> > > -
> > > - return bdw_gmch_ctl << 20;
> > > + return 1 << (bdw_gmch_ctl + 20);
> >
> > I don't have this in my tree, and it seems to never have existed in
> > upstream ...
> >
> > /me is confused
> >
> > Cheers, Daniel
> >
>
> This was based off of linus master, since I assumed that is what David
> was using. Honestly, I hadn't looked at our Intel trees. Maybe we're
> good here already.
Queued for -next, thanks for the patch.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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