Re: [PATCH v3 00/24] MT8192 IOMMU support

Krzysztof Kozlowski
2020-10-26T20:08:54Z

On Wed, Sep 30, 2020 at 03:06:23PM +0800, Yong Wu wrote:
> This patch mainly adds support for mt8192 IOMMU and SMI.
>
> mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation
> table format. The M4U-SMI HW diagram is as below:
>
> EMI
> |
> M4U
> |
> ------------
> SMI Common
> ------------
> |
> +-------+------+------+----------------------+-------+
> | | | | ...... | |
> | | | | | |
> larb0 larb1 larb2 larb4 ...... larb19 larb20
> disp0 disp1 mdp vdec IPE IPE
>
> All the connections are HW fixed, SW can NOT adjust it.
>
> Comparing with the preview SoC, this patchset mainly adds two new functions:
> a) add iova 34 bits support.
> b) add multi domains support since several HW has the special iova
> region requirement.
>
> this patchset depend on v5.9-rc1.

Hi,

I think there will be v4 of this, right? If yes, please also describe
the dependencies between the patches. If the entire patchset is strictly
ordered, then mention this as well.

Best regards,
Krzysztof