[Intel-gfx] [PATCH 2/3] drm/i915: Fix obj->map_and_fenceable for ppgtt

[Chris Wilson]

On Sun, Aug 10, 2014 at 07:55:46AM +0100, Chris Wilson wrote:
> On Sat, Aug 09, 2014 at 12:29:17PM -0700, Ben Widawsky wrote:
> > I didn't read the patch closely, but the problem is clear. It seems like
> > the one hunk:
> > > -     if (use_cpu_reloc(obj))
> > > +     if (use_cpu_reloc(obj) || !i915_gem_obj_ggtt_bound(obj))
> > 
> > would be sufficient to fix the problem.
> 
> Right, I wanted this patch as later patches build upon the flags and
> using the flags makes the code cleaner. This tweak was something that
> occurred to me when reviewing the patch and looking at recent bug
> reports.

As it happens, that is the key to the patch. Setting
obj->map_and_fenceable correctly makes that tweak redundant.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre