187  * drm_gem_map_attach - dma_buf attach implementation for GEM
188  * @dma_buf: buffer to attach device to
189  * @attach: buffer attachment data
192  * device specific attachment. This can be used as the &dma_buf_ops.attach
198 		       struct dma_buf_attachment *attach)  in drm_gem_map_attach()  argument
209 	attach->priv = prime_attach;  in drm_gem_map_attach()
221  * @attach: attachment to be detached
227 			struct dma_buf_attachment *attach)  in drm_gem_map_detach()  argument
229 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_detach()
238 				dma_unmap_sg_attrs(attach->dev, sgt->sgl,  in drm_gem_map_detach()
247 		attach->priv = NULL;  in drm_gem_map_detach()
282  * @attach: attachment whose scatterlist is to be returned
292 struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,  in drm_gem_map_dma_buf()  argument
295 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_dma_buf()
296 	struct drm_gem_object *obj = attach->dmabuf->priv;  in drm_gem_map_dma_buf()
316 		if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir,  in drm_gem_map_dma_buf()
333  * @attach: attachment to unmap buffer from
340 void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,  in drm_gem_unmap_dma_buf()  argument
487 	.attach = drm_gem_map_attach,
685  * @attach_dev: struct device to dma_buf attach
695 	struct dma_buf_attachment *attach;  in drm_gem_prime_import_dev()  local
715 	attach = dma_buf_attach(dma_buf, attach_dev);  in drm_gem_prime_import_dev()
716 	if (IS_ERR(attach))  in drm_gem_prime_import_dev()
717 		return ERR_CAST(attach);  in drm_gem_prime_import_dev()
721 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in drm_gem_prime_import_dev()
727 	obj = dev->driver->gem_prime_import_sg_table(dev, attach, sgt);  in drm_gem_prime_import_dev()
733 	obj->import_attach = attach;  in drm_gem_prime_import_dev()
738 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);  in drm_gem_prime_import_dev()
740 	dma_buf_detach(dma_buf, attach);  in drm_gem_prime_import_dev()
960 	struct dma_buf_attachment *attach;  in drm_prime_gem_destroy()  local
962 	attach = obj->import_attach;  in drm_prime_gem_destroy()
964 		dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);  in drm_prime_gem_destroy()
965 	dma_buf = attach->dmabuf;  in drm_prime_gem_destroy()
966 	dma_buf_detach(attach->dmabuf, attach);  in drm_prime_gem_destroy()