linux-kernel - Re: [PATCH v5 00/34] MT8195 IOMMU SUPPORT

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Date:   Tue, 1 Mar 2022 15:49:18 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Tomasz Figa <tfiga@...omium.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>, <youlin.pei@...iatek.com>,
        <anan.sun@...iatek.com>, <xueqi.zhang@...iatek.com>,
        <yen-chang.chen@...iatek.com>, <mingyuan.ma@...iatek.com>,
        <yf.wang@...iatek.com>, <libo.kang@...iatek.com>,
        <chengci.xu@...iatek.com>
Subject: Re: [PATCH v5 00/34] MT8195 IOMMU SUPPORT

On Mon, 2022-02-28 at 14:50 +0100, AngeloGioacchino Del Regno wrote:
> Il 28/02/22 13:34, Joerg Roedel ha scritto:
> > Hi Yong Wu,
> > 
> > On Thu, Feb 17, 2022 at 07:34:19PM +0800, Yong Wu wrote:
> > > Yong Wu (34):
> > >    dt-bindings: mediatek: mt8195: Add binding for MM IOMMU
> > >    dt-bindings: mediatek: mt8195: Add binding for infra IOMMU
> > >    iommu/mediatek: Fix 2 HW sharing pgtable issue
> > >    iommu/mediatek: Add list_del in mtk_iommu_remove
> > >    iommu/mediatek: Remove clk_disable in mtk_iommu_remove
> > >    iommu/mediatek: Add mutex for m4u_group and m4u_dom in data
> > >    iommu/mediatek: Add mutex for data in the mtk_iommu_domain
> > >    iommu/mediatek: Adapt sharing and non-sharing pgtable case
> > >    iommu/mediatek: Add 12G~16G support for multi domains
> > >    iommu/mediatek: Add a flag DCM_DISABLE
> > >    iommu/mediatek: Add a flag NON_STD_AXI
> > >    iommu/mediatek: Remove the granule in the tlb flush
> > >    iommu/mediatek: Always enable output PA over 32bits in isr
> > >    iommu/mediatek: Add SUB_COMMON_3BITS flag
> > >    iommu/mediatek: Add IOMMU_TYPE flag
> > >    iommu/mediatek: Contain MM IOMMU flow with the MM TYPE
> > >    iommu/mediatek: Adjust device link when it is sub-common
> > >    iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO
> > >    iommu/mediatek: Add a PM_CLK_AO flag for infra iommu
> > >    iommu/mediatek: Add infra iommu support
> > >    iommu/mediatek: Add PCIe support
> > >    iommu/mediatek: Add mt8195 support
> > >    iommu/mediatek: Only adjust code about register base
> > >    iommu/mediatek: Just move code position in hw_init
> > >    iommu/mediatek: Separate mtk_iommu_data for v1 and v2
> > >    iommu/mediatek: Remove mtk_iommu.h
> > >    iommu/mediatek-v1: Just rename mtk_iommu to mtk_iommu_v1
> > >    iommu/mediatek: Add mtk_iommu_bank_data structure
> > >    iommu/mediatek: Initialise bank HW for each a bank
> > >    iommu/mediatek: Change the domid to iova_region_id
> > >    iommu/mediatek: Get the proper bankid for multi banks
> > >    iommu/mediatek: Initialise/Remove for multi bank dev
> > >    iommu/mediatek: Backup/restore regsiters for multi banks
> > >    iommu/mediatek: mt8195: Enable multi banks for infra iommu
> > 
> > This doesn't apply cleanly, can you please send a version rebased
> > to
> > v5.17-rc4?

As in the cover letter, this patchset doesn't base on v5.17-rc4, it
bases on next-20220216 which has contained [1] and Dafna's patchset
below.

By the way, It still conflicts with the latest next-20220228 which has
just contained[2].

In this case, How should I do? Send a version base on the latest next?

[1] 
https://lore.kernel.org/linux-iommu/20220117070510.17642-1-yong.wu@mediatek.com/

[2] 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/?h=next-20220228&qt=grep&q=component_compare

Thanks.

> > 
> > Thanks,
> > 
> > 	Joerg
> 
> Hello Joerg,
> 
> this series depends on the following series:
> 
https://patchwork.kernel.org/project/linux-mediatek/list/?series=592275
> 
> ...which is also well tested and ready to be merged in.
> 
> Applying Yong's series without the mentioned series from Dafna would
> not work.

Yes. Thanks.

> 
> 
> Thanks,
> Angelo