[Intel-gfx] [PATCH] drm/i915: Tighten obj->map_and_fenceable

[Daniel Vetter]

On Fri, Feb 27, 2015 at 04:37:29PM +0000, Chris Wilson wrote:
> On Fri, Feb 27, 2015 at 04:32:26PM +0100, Daniel Vetter wrote:
> > On Fri, Feb 27, 2015 at 01:58:43PM +0000, Chris Wilson wrote:
> > > For an object right on the boundary of mappable space, as the fenceable
> > > size is stricly greater than the actual size, its fence region may extend
> > > out of mappable space.
> > > 
> > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > 
> > Do you have a scenario where this could blow up? Given the pot alignment
> > and fence_size constraints these two should still be equivalent.
> 
> It could only concievably impact PNV (the only system where we have non-mappable
> and fence_size > obj.base.size), and the alignment there is always the
> fence size as well which would prevent the overlap.
> 
> > Ack if I do an s/tighten/clarify/ and amend your commit message?
> Ok.

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch