169  * amdgpu_dma_buf_attach - &dma_buf_ops.attach implementation
171  * @dmabuf: DMA-buf where we attach to
172  * @attach: attachment to add
177 				 struct dma_buf_attachment *attach)  in amdgpu_dma_buf_attach()  argument
184 	if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0)  in amdgpu_dma_buf_attach()
185 		attach->peer2peer = false;  in amdgpu_dma_buf_attach()
187 	if (attach->dev->driver == adev->dev->driver)  in amdgpu_dma_buf_attach()
215  * @attach: the attachment to remove
220 				  struct dma_buf_attachment *attach)  in amdgpu_dma_buf_detach()  argument
226 	if (attach->dev->driver != adev->dev->driver && bo->prime_shared_count)  in amdgpu_dma_buf_detach()
233  * @attach: attachment to pin down
237 static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_pin()  argument
239 	struct drm_gem_object *obj = attach->dmabuf->priv;  in amdgpu_dma_buf_pin()
249  * @attach: attachment to unpin
253 static void amdgpu_dma_buf_unpin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_unpin()  argument
255 	struct drm_gem_object *obj = attach->dmabuf->priv;  in amdgpu_dma_buf_unpin()
263  * @attach: DMA-buf attachment
274 static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_map()  argument
277 	struct dma_buf *dma_buf = attach->dmabuf;  in amdgpu_dma_buf_map()
290 		    attach->peer2peer) {  in amdgpu_dma_buf_map()
312 		if (dma_map_sgtable(attach->dev, sgt, dir,  in amdgpu_dma_buf_map()
318 		r = amdgpu_vram_mgr_alloc_sgt(adev, &bo->tbo.mem, attach->dev,  in amdgpu_dma_buf_map()
337  * @attach: DMA-buf attachment
344 static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_unmap()  argument
348 	struct dma_buf *dma_buf = attach->dmabuf;  in amdgpu_dma_buf_unmap()
354 		dma_unmap_sgtable(attach->dev, sgt, dir, 0);  in amdgpu_dma_buf_unmap()
358 		amdgpu_vram_mgr_free_sgt(adev, attach->dev, dir, sgt);  in amdgpu_dma_buf_unmap()
403 	.attach = amdgpu_dma_buf_attach,
494  * amdgpu_dma_buf_move_notify - &attach.move_notify implementation
496  * @attach: the DMA-buf attachment
502 amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_move_notify()  argument
504 	struct drm_gem_object *obj = attach->importer_priv;  in amdgpu_dma_buf_move_notify()
574 	struct dma_buf_attachment *attach;  in amdgpu_gem_prime_import()  local
593 	attach = dma_buf_dynamic_attach(dma_buf, dev->dev,  in amdgpu_gem_prime_import()
595 	if (IS_ERR(attach)) {  in amdgpu_gem_prime_import()
597 		return ERR_CAST(attach);  in amdgpu_gem_prime_import()
601 	obj->import_attach = attach;  in amdgpu_gem_prime_import()