[PATCH v4,3/6] media: mtk-vcodec: Support 4GB~8GB range iova space for venc

[Tzung-Bi Shih]

On Fri, May 21, 2021 at 3:02 PM Irui Wang <irui.wang at mediatek.com> wrote:
> +       if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL))
> +               dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34));
> +

>From your previous dt-bindings patch[1], it has 4 banks.
> 0~4G; 4G~8G; 8G~12G; 12G~16G.

But, the code treats it as a boolean.  I.e. 0~4GB if non-existent;
otherwise, 4GB~8GB.

[1]: https://patchwork.linuxtv.org/project/linux-media/patch/20210521070139.20644-3-irui.wang@mediatek.com/