Re: [PATCH 11/33] drm/i915: Focus debugfs/i915_gem_pinned to show only display pins

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On Tue, Aug 09, 2016 at 01:39:02PM +0300, Joonas Lahtinen wrote:
> On su, 2016-08-07 at 15:45 +0100, Chris Wilson wrote:
> > Only those objects pinned to the display have semi-permanent pins of a
> > global nature (other pins are transient within their local vm). Simplify
> > i915_gem_pinned to only show the pertinent information about the pinned
> > objects within the GGTT.
> > 
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/i915_debugfs.c | 11 ++---------
> >  1 file changed, 2 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> > index 8de458dcffaa..9911594acbc9 100644
> > --- a/drivers/gpu/drm/i915/i915_debugfs.c
> > +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> > @@ -40,12 +40,6 @@
> >  #include 
> >  #include "i915_drv.h"
> >  
> > -enum {
> > -	ACTIVE_LIST,
> > -	INACTIVE_LIST,
> > -	PINNED_LIST,
> > -};
> > -
> >  /* As the drm_debugfs_init() routines are called before dev->dev_private is
> >   * allocated we need to hook into the minor for release. */
> >  static int
> > @@ -537,7 +531,6 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data)
> >  {
> >  	struct drm_info_node *node = m->private;
> >  	struct drm_device *dev = node->minor->dev;
> > -	uintptr_t list = (uintptr_t) node->info_ent->data;
> >  	struct drm_i915_private *dev_priv = to_i915(dev);
> >  	struct drm_i915_gem_object *obj;
> >  	u64 total_obj_size, total_gtt_size;
> > @@ -549,7 +542,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data)
> >  
> >  	total_obj_size = total_gtt_size = count = 0;
> >  	list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
> > -		if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj))
> > +		if (!obj->pin_display)
> >  			continue;
> >  
> >  		seq_puts(m, "   ");
> > @@ -5327,7 +5320,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
> >  	{"i915_capabilities", i915_capabilities, 0},
> >  	{"i915_gem_objects", i915_gem_object_info, 0},
> >  	{"i915_gem_gtt", i915_gem_gtt_info, 0},
> > -	{"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST},
> > +	{"i915_gem_pinned", i915_gem_gtt_info, 0, 0},
> 
> "i915_gem_pin_display" then? Otherwise it's a fragile change.

Sure. Sold with that change?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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