From: "Yong Wu (吴勇)" <Yong.Wu@mediatek.com>
To: "matthias.bgg@gmail.com" <matthias.bgg@gmail.com>
Cc: "dafna.hirschfeld@collabora.com" <dafna.hirschfeld@collabora.com>,
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Subject: Re: [PATCH v7 00/12] Clean up "mediatek,larb"
Date: Tue, 31 Aug 2021 10:45:02 +0000 [thread overview]
Message-ID: <271b63107031f6bfa1b746e70ccdcee6d86db8b7.camel@mediatek.com> (raw)
In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com>
Hi Matthias,
Just ping for this patchset.
Thanks.
On Fri, 2021-07-30 at 10:52 +0800, Yong Wu wrote:
> MediaTek IOMMU block diagram always like below:
>
> M4U
> |
> smi-common
> |
> -------------
> | | ...
> | |
> larb1 larb2
> | |
> vdec venc
>
> All the consumer connect with smi-larb, then connect with smi-common.
>
> When the consumer works, it should enable the smi-larb's power which
> also
> need enable the smi-common's power firstly.
>
> Thus, Firstly, use the device link connect the consumer and the
> smi-larbs. then add device link between the smi-larb and smi-common.
>
> After adding the device_link, then "mediatek,larb" property can be
> removed.
> the iommu consumer don't need call the mtk_smi_larb_get/put to enable
> the power and clock of smi-larb and smi-common.
>
> Base on v5.14-rc1, and a jpeg[1] and mdp[2] patchset.
>
> [1]
> https://lore.kernel.org/linux-mediatek/20210702102304.3346429-1-hsinyi@chromium.org/
> [2]
> https://lore.kernel.org/linux-mediatek/20210709022324.1607884-1-eizan@chromium.org/
>
> Change notes:
> v7: 1) Fix a arm32 boot fail issue. reported from Frank.
> 2) Add a return fail in the mtk drm. suggested by Dafna.
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prev parent reply other threads:[~2021-08-31 10:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 2:52 [PATCH v7 00/12] Clean up "mediatek,larb" Yong Wu
2021-07-30 2:52 ` [PATCH v7 01/12] dt-binding: mediatek: Get rid of mediatek, larb for multimedia HW Yong Wu
2021-07-30 2:52 ` [PATCH v7 02/12] iommu/mediatek-v1: Free the existed fwspec if the master dev already has Yong Wu
2021-07-30 2:52 ` [PATCH v7 03/12] iommu/mediatek: Add probe_defer for smi-larb Yong Wu
2021-07-30 2:52 ` [PATCH v7 04/12] iommu/mediatek: Add device_link between the consumer and the larb devices Yong Wu
2021-08-05 13:22 ` Dafna Hirschfeld
2021-08-09 8:00 ` Yong Wu (吴勇)
2021-07-30 2:52 ` [PATCH v7 05/12] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put Yong Wu
2021-07-30 2:52 ` [PATCH v7 06/12] media: mtk-mdp: " Yong Wu
2021-07-30 2:52 ` [PATCH v7 07/12] drm/mediatek: Add pm runtime support for ovl and rdma Yong Wu
2021-07-30 2:52 ` [PATCH v7 08/12] drm/mediatek: Get rid of mtk_smi_larb_get/put Yong Wu
2021-07-30 2:52 ` [PATCH v7 09/12] media: mtk-vcodec: " Yong Wu
2021-07-30 2:52 ` [PATCH v7 10/12] memory: mtk-smi: " Yong Wu
2021-07-30 2:52 ` [PATCH v7 11/12] arm: dts: mediatek: Get rid of mediatek, larb for MM nodes Yong Wu
2021-07-30 2:52 ` [PATCH v7 12/12] arm64: " Yong Wu
2021-07-30 12:06 ` Aw: [PATCH v7 00/12] Clean up "mediatek,larb" Frank Wunderlich
2021-08-02 9:51 ` Joerg Roedel
2021-08-09 8:30 ` Yong Wu (吴勇)
2021-08-09 9:11 ` joro
2021-08-31 10:45 ` Yong Wu (吴勇) [this message]
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