48  * amdgpu_dma_buf_attach - &dma_buf_ops.attach implementation
50  * @dmabuf: DMA-buf where we attach to
51  * @attach: attachment to add
56 				 struct dma_buf_attachment *attach)  in amdgpu_dma_buf_attach()  argument
63 	if (pci_p2pdma_distance(adev->pdev, attach->dev, false) < 0)  in amdgpu_dma_buf_attach()
64 		attach->peer2peer = false;  in amdgpu_dma_buf_attach()
83  * @attach: the attachment to remove
88 				  struct dma_buf_attachment *attach)  in amdgpu_dma_buf_detach()  argument
102  * @attach: attachment to pin down
106 static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_pin()  argument
108 	struct drm_gem_object *obj = attach->dmabuf->priv;  in amdgpu_dma_buf_pin()
118  * @attach: attachment to unpin
122 static void amdgpu_dma_buf_unpin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_unpin()  argument
124 	struct drm_gem_object *obj = attach->dmabuf->priv;  in amdgpu_dma_buf_unpin()
132  * @attach: DMA-buf attachment
143 static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_map()  argument
146 	struct dma_buf *dma_buf = attach->dmabuf;  in amdgpu_dma_buf_map()
159 		    attach->peer2peer) {  in amdgpu_dma_buf_map()
181 		if (dma_map_sgtable(attach->dev, sgt, dir,  in amdgpu_dma_buf_map()
188 					      bo->tbo.base.size, attach->dev,  in amdgpu_dma_buf_map()
207  * @attach: DMA-buf attachment
214 static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_unmap()  argument
219 		dma_unmap_sgtable(attach->dev, sgt, dir, 0);  in amdgpu_dma_buf_unmap()
223 		amdgpu_vram_mgr_free_sgt(attach->dev, dir, sgt);  in amdgpu_dma_buf_unmap()
269 	.attach = amdgpu_dma_buf_attach,
361  * amdgpu_dma_buf_move_notify - &attach.move_notify implementation
363  * @attach: the DMA-buf attachment
369 amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_move_notify()  argument
371 	struct drm_gem_object *obj = attach->importer_priv;  in amdgpu_dma_buf_move_notify()
444 	struct dma_buf_attachment *attach;  in amdgpu_gem_prime_import()  local
463 	attach = dma_buf_dynamic_attach(dma_buf, dev->dev,  in amdgpu_gem_prime_import()
465 	if (IS_ERR(attach)) {  in amdgpu_gem_prime_import()
467 		return ERR_CAST(attach);  in amdgpu_gem_prime_import()
471 	obj->import_attach = attach;  in amdgpu_gem_prime_import()