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From: Ben Widawsky <ben@bwidawsk.net>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	Ben Widawsky <benjamin.widawsky@intel.com>,
	Intel GFX <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] [v6] drm/i915: Use the new vm [un]bind functions
Date: Thu, 19 Sep 2013 10:41:19 -0700	[thread overview]
Message-ID: <20130919174119.GA1620@bwidawsk.net> (raw)
In-Reply-To: <20130919144750.GN6566@nuc-i3427.alporthouse.com>

On Thu, Sep 19, 2013 at 03:47:50PM +0100, Chris Wilson wrote:
> On Thu, Sep 19, 2013 at 07:41:23AM -0700, Ben Widawsky wrote:
> > diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > index b26d979..e57837c 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> > @@ -286,8 +286,9 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
> >  	if (unlikely(IS_GEN6(dev) &&
> >  	    reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION &&
> >  	    !target_i915_obj->has_global_gtt_mapping)) {
> > -		i915_gem_gtt_bind_object(target_i915_obj,
> > -					 target_i915_obj->cache_level);
> > +		struct i915_vma *vma = i915_gem_obj_to_vma(obj, vm);
> > +		vma->vm->bind_vma(vma, target_i915_obj->cache_level,
> > +				 GLOBAL_BIND);
> 
> Danger, danger. What address are we binding the vma here to since vm !=
> ggtt, and the wa requires that the obj is mapped into the same location
> in the ggtt as the vm. That requires pinning during reserve.
> -Chris
> 
> -- 
> Chris Wilson, Intel Open Source Technology Centre

I thought we've agreed to not support full PPGTT on SNB? If you want an
assertion vm == i915_ggtt, I can do that.
-- 
Ben Widawsky, Intel Open Source Technology Center

  reply	other threads:[~2013-09-19 17:41 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-14 22:03 [PATCH 1/6] drm/i915: trace vm eviction instead of everything Ben Widawsky
2013-09-14 22:03 ` [PATCH 2/6] drm/i915: Provide a cheap ggtt vma lookup Ben Widawsky
2013-09-14 22:03 ` [PATCH 3/6] drm/i915: Convert active API to VMA Ben Widawsky
2013-09-14 22:03 ` [PATCH 4/6] drm/i915: Add bind/unbind object functions to VM Ben Widawsky
2013-09-16  9:25   ` Chris Wilson
2013-09-16 18:23     ` Ben Widawsky
2013-09-16 22:05       ` Daniel Vetter
2013-09-16 22:18         ` Chris Wilson
2013-09-16 22:20           ` Daniel Vetter
2013-09-16 22:13       ` Chris Wilson
2013-09-17  5:44         ` Ben Widawsky
2013-09-17  7:49           ` Chris Wilson
2013-09-17 17:00             ` [PATCH 4/6] [v5] " Ben Widawsky
2013-09-14 22:03 ` [PATCH 5/6] drm/i915: Use the new vm [un]bind functions Ben Widawsky
2013-09-16  7:37   ` Chris Wilson
2013-09-16 18:31     ` Ben Widawsky
2013-09-17 17:01     ` [PATCH 5/6] [v3] " Ben Widawsky
2013-09-17 20:55       ` Chris Wilson
2013-09-17 23:14         ` Ben Widawsky
2013-09-17 23:33           ` Chris Wilson
2013-09-17 23:48             ` Ben Widawsky
2013-09-17 23:57               ` Chris Wilson
2013-09-18  0:02                 ` Ben Widawsky
2013-09-18  8:30                   ` Chris Wilson
2013-09-18 14:47                     ` Ben Widawsky
2013-09-18 14:53                       ` Chris Wilson
2013-09-18 15:48                         ` Ben Widawsky
2013-09-18 15:59                           ` Chris Wilson
2013-09-18 16:11                             ` Ben Widawsky
2013-09-18 16:15                               ` Chris Wilson
2013-09-18 16:20                                 ` Daniel Vetter
2013-09-18 16:37                                   ` Ben Widawsky
2013-09-19  0:12                                 ` [PATCH] [v4] " Ben Widawsky
2013-09-19  9:13                                   ` Chris Wilson
2013-09-19 14:15                                     ` [PATCH] [v5] " Ben Widawsky
2013-09-19 14:26                                       ` Chris Wilson
2013-09-19 14:41                                         ` [PATCH] [v6] " Ben Widawsky
2013-09-19 14:45                                           ` [PATCH] [v7] " Ben Widawsky
2013-09-20  4:06                                             ` [PATCH] " Ben Widawsky
2013-09-20 10:43                                               ` Chris Wilson
2013-09-20 13:24                                                 ` Daniel Vetter
2013-09-20 13:26                                                   ` Daniel Vetter
2013-09-20 13:29                                                   ` Chris Wilson
2013-09-20 20:44                                                 ` Ben Widawsky
2013-09-20 20:55                                                   ` Chris Wilson
2013-09-20 21:08                                                     ` Ben Widawsky
2013-09-20 21:22                                                     ` Daniel Vetter
2013-09-22 18:46                                                 ` [PATCH] [v9] " Ben Widawsky
2013-09-23  8:39                                                   ` Chris Wilson
2013-09-23 22:00                                                     ` Ben Widawsky
2013-09-23 22:10                                                       ` Chris Wilson
2013-09-19 14:47                                           ` [PATCH] [v6] " Chris Wilson
2013-09-19 17:41                                             ` Ben Widawsky [this message]
2013-09-19 18:36                                               ` Daniel Vetter
2013-09-14 22:03 ` [PATCH 6/6] drm/i915: eliminate vm->insert_entries() Ben Widawsky

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