51  * @attach: attachment
57 static struct amdgpu_device *dma_buf_attach_adev(struct dma_buf_attachment *attach)  in dma_buf_attach_adev()  argument
59 	if (attach->importer_ops == &amdgpu_dma_buf_attach_ops) {  in dma_buf_attach_adev()
60 		struct drm_gem_object *obj = attach->importer_priv;  in dma_buf_attach_adev()
70  * amdgpu_dma_buf_attach - &dma_buf_ops.attach implementation
72  * @dmabuf: DMA-buf where we attach to
73  * @attach: attachment to add
78 				 struct dma_buf_attachment *attach)  in amdgpu_dma_buf_attach()  argument
80 	struct amdgpu_device *attach_adev = dma_buf_attach_adev(attach);  in amdgpu_dma_buf_attach()
86 	    pci_p2pdma_distance(adev->pdev, attach->dev, false) < 0)  in amdgpu_dma_buf_attach()
87 		attach->peer2peer = false;  in amdgpu_dma_buf_attach()
97  * @attach: attachment to pin down
101 static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_pin()  argument
103 	struct dma_buf *dmabuf = attach->dmabuf;  in amdgpu_dma_buf_pin()
120 		list_for_each_entry(attach, &dmabuf->attachments, node)  in amdgpu_dma_buf_pin()
121 			if (!attach->peer2peer)  in amdgpu_dma_buf_pin()
137  * @attach: attachment to unpin
141 static void amdgpu_dma_buf_unpin(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_unpin()  argument
143 	struct drm_gem_object *obj = attach->dmabuf->priv;  in amdgpu_dma_buf_unpin()
151  * @attach: DMA-buf attachment
162 static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_map()  argument
165 	struct dma_buf *dma_buf = attach->dmabuf;  in amdgpu_dma_buf_map()
178 		    attach->peer2peer) {  in amdgpu_dma_buf_map()
196 		if (dma_map_sgtable(attach->dev, sgt, dir,  in amdgpu_dma_buf_map()
204 				dma_buf_attach_adev(attach), bo)))  in amdgpu_dma_buf_map()
208 					      bo->tbo.base.size, attach->dev,  in amdgpu_dma_buf_map()
227  * @attach: DMA-buf attachment
234 static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach,  in amdgpu_dma_buf_unmap()  argument
239 		dma_unmap_sgtable(attach->dev, sgt, dir, 0);  in amdgpu_dma_buf_unmap()
243 		amdgpu_vram_mgr_free_sgt(attach->dev, dir, sgt);  in amdgpu_dma_buf_unmap()
289 	.attach = amdgpu_dma_buf_attach,
380  * amdgpu_dma_buf_move_notify - &attach.move_notify implementation
382  * @attach: the DMA-buf attachment
388 amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)  in amdgpu_dma_buf_move_notify()  argument
390 	struct drm_gem_object *obj = attach->importer_priv;  in amdgpu_dma_buf_move_notify()
467 	struct dma_buf_attachment *attach;  in amdgpu_gem_prime_import()  local
486 	attach = dma_buf_dynamic_attach(dma_buf, dev->dev,  in amdgpu_gem_prime_import()
488 	if (IS_ERR(attach)) {  in amdgpu_gem_prime_import()
490 		return ERR_CAST(attach);  in amdgpu_gem_prime_import()
494 	obj->import_attach = attach;  in amdgpu_gem_prime_import()