drm/amdgpu: validate shadow before restoring from it

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger.He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 15a723adca76..382485115b06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -175,6 +175,7 @@ int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
                                struct amdgpu_bo *bo,
                                struct reservation_object *resv,
                                struct dma_fence **fence, bool direct);
+int amdgpu_bo_validate(struct amdgpu_bo *bo);
 int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
                                   struct amdgpu_ring *ring,
                                   struct amdgpu_bo *bo,