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@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx
---
drivers/gpu/drm/i915/i915_gem.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d9862477d97a..6ba856301d75 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1749,6 +1749,12 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf)
(area->vm_end - area->vm_start) / PAGE_SIZE -
view.params.partial.offset);
+ /* If the partial covers the entire object, just create a
+ * normal VMA.
+ */
+ if (chunk_size >= obj->base.size >> PAGE_SHIFT)
+ view.type = I915_GGTT_VIEW_NORMAL;
+
vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, PIN_MAPPABLE);
}
if (IS_ERR(vma)) {
--
2.8.1
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