As only GGTT vma may be permanently pinned and are always at the head of
the object's vma list, as soon as we seen a ppGTT vma we can stop
searching for any_vma_pinned().
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_shrinker.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 9fe4d0c66549..6dfe66c96081 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -66,9 +66,17 @@ static bool any_vma_pinned(struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
- list_for_each_entry(vma, &obj->vma_list, obj_link)
+ list_for_each_entry(vma, &obj->vma_list, obj_link) {
+ /* Only GGTT vma may be permanently pinned, and are always
+ * at the start of the list. We can stop hunting as soon
+ * as we see a ppGTT vma.
+ */
+ if (!i915_vma_is_ggtt(vma))
+ break;
+
if (i915_vma_is_pinned(vma))
return true;
+ }
return false;
}
--
2.11.0
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