drm/amdgpu: sync fence of clear_invalids (v2)

bo_va may un-initialized, fix it.

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index dcb2d3859cf1..4d26b303b495 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -858,9 +858,9 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
  * PTs have to be reserved and mutex must be locked!
  */
 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
-                             struct amdgpu_vm *vm)
+                             struct amdgpu_vm *vm, struct amdgpu_sync *sync)
 {
-        struct amdgpu_bo_va *bo_va;
+        struct amdgpu_bo_va *bo_va = NULL;
         int r;
 
         spin_lock(&vm->status_lock);
@@ -877,6 +877,8 @@ int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
         }
         spin_unlock(&vm->status_lock);
 
+        if (bo_va)
+                amdgpu_sync_fence(sync, bo_va->last_pt_update);
         return 0;
 }