{
struct dma_resv *resv = dma_buf->resv;
struct amdgpu_device *adev = drm_to_adev(dev);
- struct amdgpu_bo *bo;
struct drm_gem_object *gobj;
+ struct amdgpu_bo *bo;
+ uint64_t flags = 0;
int ret;
dma_resv_lock(resv, NULL);
+
+ if (dma_buf->ops == &amdgpu_dmabuf_ops) {
+ struct amdgpu_bo *other = gem_to_amdgpu_bo(dma_buf->priv);
+
+ flags |= other->flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC;
+ }
+
ret = amdgpu_gem_object_create(adev, dma_buf->size, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_CPU,
- 0, ttm_bo_type_sg, resv, &gobj);
+ AMDGPU_GEM_DOMAIN_CPU, flags,
+ ttm_bo_type_sg, resv, &gobj);
if (ret)
goto error;