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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>,
	srv_heupstream <srv_heupstream@mediatek.com>,
	"krzysztof.kozlowski@canonical.com"
	<krzysztof.kozlowski@canonical.com>,
	"Youlin Pei (裴友林)" <youlin.pei@mediatek.com>,
	"Anan Sun (孙安安)" <Anan.Sun@mediatek.com>,
	"tfiga@chromium.org" <tfiga@chromium.org>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	"Xia Jiang (江霞)" <Xia.Jiang@mediatek.com>,
	"eizan@chromium.org" <eizan@chromium.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"Yi Kuo (郭懿)" <Yi.Kuo@mediatek.com>,
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	<linux-mediatek@lists.infradead.org>,
	"Anthony Huang (黃建嘉)" <Anthony.Huang@mediatek.com>,
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	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
	"frank-w@public-files.de" <frank-w@public-files.de>,
	"Ming-Fan Chen (陳明汎)" <Ming-Fan.Chen@mediatek.com>,
	"chunkuang.hu@kernel.org" <chunkuang.hu@kernel.org>,
	"mchehab@kernel.org" <mchehab@kernel.org>,
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	"will.deacon@arm.com" <will.deacon@arm.com>,
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	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"mka@chromium.org" <mka@chromium.org>
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.


      parent reply	other threads:[~2021-08-31 10:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30  2:52 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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