34 	struct dma_buf *dmabuf;  in mpp_dma_find_buffer_fd()  local
38 	dmabuf = dma_buf_get(fd);  in mpp_dma_find_buffer_fd()
39 	if (IS_ERR(dmabuf))  in mpp_dma_find_buffer_fd()
49 		if (buffer->dmabuf == dmabuf) {  in mpp_dma_find_buffer_fd()
55 	dma_buf_put(dmabuf);  in mpp_dma_find_buffer_fd()
70 	dma_buf_detach(buffer->dmabuf, buffer->attach);  in mpp_dma_release_buffer()
71 	dma_buf_put(buffer->dmabuf);  in mpp_dma_release_buffer()
73 	buffer->dmabuf = NULL;  in mpp_dma_release_buffer()
184 	struct dma_buf *dmabuf;  in mpp_dma_import_fd()  local
207 	dmabuf = dma_buf_get(fd);  in mpp_dma_import_fd()
208 	if (IS_ERR(dmabuf)) {  in mpp_dma_import_fd()
209 		ret = PTR_ERR(dmabuf);  in mpp_dma_import_fd()
226 	buffer->dmabuf = dmabuf;  in mpp_dma_import_fd()
230 	attach = dma_buf_attach(buffer->dmabuf, dma->dev);  in mpp_dma_import_fd()
263 	dma_buf_detach(buffer->dmabuf, attach);  in mpp_dma_import_fd()
269 	dma_buf_put(dmabuf);  in mpp_dma_import_fd()
277 	struct dma_buf *dmabuf = buffer->dmabuf;  in mpp_dma_unmap_kernel()  local
280 	    IS_ERR_OR_NULL(dmabuf))  in mpp_dma_unmap_kernel()
283 	dma_buf_vunmap(dmabuf, vaddr);  in mpp_dma_unmap_kernel()
286 	dma_buf_end_cpu_access(dmabuf, DMA_FROM_DEVICE);  in mpp_dma_unmap_kernel()
296 	struct dma_buf *dmabuf = buffer->dmabuf;  in mpp_dma_map_kernel()  local
298 	if (IS_ERR_OR_NULL(dmabuf))  in mpp_dma_map_kernel()
301 	ret = dma_buf_begin_cpu_access(dmabuf, DMA_FROM_DEVICE);  in mpp_dma_map_kernel()
307 	vaddr = dma_buf_vmap(dmabuf);  in mpp_dma_map_kernel()
319 	dma_buf_end_cpu_access(dmabuf, DMA_FROM_DEVICE);  in mpp_dma_map_kernel()