drm/i915: Convert partial ggtt vma to full ggtt if it spans the entire object
If we want to create a partial vma from a chunk that is the same size as the object, create a normal ggtt vma instead. The benefit is that it will match future requests for the normal ggtt. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-24-chris@chris-wilson.co.uk
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@ -1755,6 +1755,12 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf)
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(area->vm_end - area->vm_start) / PAGE_SIZE -
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view.params.partial.offset);
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/* If the partial covers the entire object, just create a
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* normal VMA.
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*/
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if (chunk_size >= obj->base.size >> PAGE_SHIFT)
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view.type = I915_GGTT_VIEW_NORMAL;
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vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, PIN_MAPPABLE);
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}
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if (IS_ERR(vma)) {
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