1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index a5692624070a..306f75700bf8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -954,6 +954,8 @@ struct amdgpu_vm {
 
         /* for id and flush management per ring */
         struct amdgpu_vm_id     ids[AMDGPU_MAX_RINGS];
+        /* for interval tree */
+        spinlock_t              it_lock;
 };
 
 struct amdgpu_vm_manager {