Can you explain about use both ion and dma_buf: 1. When need use ion, dma_buf? 2. Why need used in combination ion and dma_buf in linux? Why not use only ion or dma_buf?
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Can you explain about use both ion and dma_buf: 1. When need use ion, dma_buf? 2. Why need used in combination ion and dma_buf in linux? Why not use only ion or dma_buf?