[Intel-gfx] [PATCH 1/5] drm/i915: WARN_ON failed map_and_fenceable

Daniel Vetter daniel at ffwll.ch
Sat Aug 10 20:05:30 CEST 2013


On Sat, Aug 10, 2013 at 10:17:39AM -0700, Ben Widawsky wrote:
> On Sat, Aug 10, 2013 at 10:58:30AM +0200, Daniel Vetter wrote:
> > On Fri, Aug 09, 2013 at 10:12:12PM -0700, Ben Widawsky wrote:
> > > I just noticed in our code we don't really check the assertion, and
> > > given some of the code I am changing in this area, I feel a WARN is very
> > > nice to have.
> > > 
> > > Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> > > ---
> > >  drivers/gpu/drm/i915/i915_gem.c | 2 ++
> > >  1 file changed, 2 insertions(+)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> > > index 498ef8a..b91a7f0 100644
> > > --- a/drivers/gpu/drm/i915/i915_gem.c
> > > +++ b/drivers/gpu/drm/i915/i915_gem.c
> > > @@ -3186,6 +3186,8 @@ search_free:
> > >  	if (i915_is_ggtt(vm))
> > >  		obj->map_and_fenceable = mappable && fenceable;
> > >  
> > > +	WARN_ON(map_and_fenceable & !obj->map_and_fenceable);
> > 
> > s/&/&&/ I think, although since both are bools it doesn't matter
> > correctness-wise.
> > -Daniel
> > 
> 
> You're absolutely right. It was a typo. Do you want resubmit, or can you
> fix while apply?

Fixed and applied, 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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