We're working on requiring the obj->resv lock during unbind, fix
the shrinker to take the objectl ock.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_shrinker.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index eebff4735781..ad2123369e0d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -405,12 +405,18 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr
list_for_each_entry_safe(vma, next,
&i915->ggtt.vm.bound_list, vm_link) {
unsigned long count = vma->node.size >> PAGE_SHIFT;
+ struct drm_i915_gem_object *obj = vma->obj;
if (!vma->iomap || i915_vma_is_active(vma))
continue;
+ if (!i915_gem_object_trylock(obj))
+ continue;
+
if (__i915_vma_unbind(vma) == 0)
freed_pages += count;
+
+ i915_gem_object_unlock(obj);
}
mutex_unlock(&i915->ggtt.vm.mutex);
--
2.34.1
