Re: [PATCH 14/15] drm/i915: Track frontbuffer invalidation/flushing

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On Tue, Jun 17, 2014 at 07:46:46AM +0100, Chris Wilson wrote:
> On Mon, Jun 16, 2014 at 07:51:34PM +0200, Daniel Vetter wrote:
> >  void i915_gem_release(struct drm_device *dev, struct drm_file *file)
> > diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > index 93d7f7246588..2d06aad4a954 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > @@ -978,7 +978,7 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas,
> >  			/* check for potential scanout */
> >  			if (i915_gem_obj_ggtt_bound(obj) &&
> >  			    i915_gem_obj_to_ggtt(obj)->pin_count)
> 
> What is it about these checks you like so much? You haven't taken the
> patches to convert this to if (obj->pin_display) and you haven't
> converted them to obj->frontbuffer_bits in this patch either!

Just didn't touch them. But yeah, these should be converted to
obj->frontbuffer_bits I guess.
-Daniel

> 
> > -				intel_mark_fb_busy(obj, ring);
> > +				intel_fb_invalidate(obj, ring);
> >  
> >  			/* update for the implicit flush after a batch */
> >  			obj->base.write_domain &= ~I915_GEM_GPU_DOMAINS;
> 
> -- 
> Chris Wilson, Intel Open Source Technology Centre
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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