[Intel-gfx] [PATCH 3/3] drm/i915: Return correct size for rotated views

Daniel Vetter daniel at ffwll.ch
Wed Jun 24 03:36:32 PDT 2015


On Wed, Jun 24, 2015 at 12:04:58PM +0300, Joonas Lahtinen wrote:
> On ti, 2015-06-23 at 12:57 +0100, Tvrtko Ursulin wrote:
> > From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > 
> > Currently object size is returned for the rotated VMA size which can be
> > bigger than the rotated view itself. Since the binding code pads all
> > excess size with scratch pages the only minor issue with this is wasting
> > some GGTT space, but still feels nicer to fix and report the real size.
> > 
> > v2: Rebase for tracking size in bytes instead of pages.
> > 
> 
> Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

All three merged to dinq, thanks.
-Daniel

> 
> > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> > ---
> >  drivers/gpu/drm/i915/i915_gem_gtt.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > index 9777ef4..1a54565 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > @@ -2899,9 +2899,10 @@ size_t
> >  i915_ggtt_view_size(struct drm_i915_gem_object *obj,
> >  		    const struct i915_ggtt_view *view)
> >  {
> > -	if (view->type == I915_GGTT_VIEW_NORMAL ||
> > -	    view->type == I915_GGTT_VIEW_ROTATED) {
> > +	if (view->type == I915_GGTT_VIEW_NORMAL) {
> >  		return obj->base.size;
> > +	} else if (view->type == I915_GGTT_VIEW_ROTATED) {
> > +		return view->rotation_info.size;
> >  	} else if (view->type == I915_GGTT_VIEW_PARTIAL) {
> >  		return view->params.partial.size << PAGE_SHIFT;
> >  	} else {
> 
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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