-/**
- * amdgpu_bo_add_to_shadow_list - add a BO to the shadow list
- *
- * @vmbo: BO that will be inserted into the shadow list
- *
- * Insert a BO to the shadow list.
- */
-void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo)
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(vmbo->bo.tbo.bdev);
-
- mutex_lock(&adev->shadow_list_lock);
- list_add_tail(&vmbo->shadow_list, &adev->shadow_list);
- vmbo->shadow->parent = amdgpu_bo_ref(&vmbo->bo);
- vmbo->shadow->tbo.destroy = &amdgpu_bo_vm_destroy;
- mutex_unlock(&adev->shadow_list_lock);
-}
-
-/**
- * amdgpu_bo_restore_shadow - restore an &amdgpu_bo shadow
- *
- * @shadow: &amdgpu_bo shadow to be restored
- * @fence: dma_fence associated with the operation
- *
- * Copies a buffer object's shadow content back to the object.
- * This is used for recovering a buffer from its shadow in case of a gpu
- * reset where vram context may be lost.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence)
-
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(shadow->tbo.bdev);
- struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
- uint64_t shadow_addr, parent_addr;
-
- shadow_addr = amdgpu_bo_gpu_offset(shadow);
- parent_addr = amdgpu_bo_gpu_offset(shadow->parent);
-
- return amdgpu_copy_buffer(ring, shadow_addr, parent_addr,
- amdgpu_bo_size(shadow), NULL, fence,
- true, false, 0);
-}
-