linux-kernel - Re: [PATCH v21 00/25] Add MediaTek SoC DRM (vdosys1) support for mt8195

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Date:   Wed, 25 May 2022 12:08:26 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>,
        "Nancy.Lin" <nancy.lin@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>, wim@...ux-watchdog.org,
        linux@...ck-us.net
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "jason-jh . lin" <jason-jh.lin@...iatek.com>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, llvm@...ts.linux.dev,
        singo.chang@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v21 00/25] Add MediaTek SoC DRM (vdosys1) support for
 mt8195

Il 18/05/22 04:47, Rex-BC Chen ha scritto:
> On Thu, 2022-05-12 at 13:31 +0800, Nancy.Lin wrote:
>> The hardware path of vdosys1 with DPTx output need to go through by
>> several modules, such as, OVL_ADAPTOR and MERGE.
>>
>> Add DRM and these modules support by the patches below:
>>
>> Changes in v21:
>> - fix reviewer comment
>>    - fix rdma and ethdr binding doc and dts
>>

..snip..

> 
> Hello Matthias,
> 
> Could you also spare some time to give us some suggestion for the mmsys
> and mutex patches of this series?
> If we can improve anything, we can do it before 5.19.
> Thanks for your big support!
> 
> BRs,
> Rex
> 

Even though there may be something to further improve, keep in mind that we're
already at v21... that's... a lot of versions, and vdosys0/1 are practically
tied together even though they're coming from two different engineers.

I can confirm that this entire stack works on the new HW as intended and that
there's no regression on older ones, so on all patches you can add my:

[Tested on MT6795, MT8173, MT8192, MT8195]
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>


.... BUT! ....


This series won't apply cleanly anymore on next-20220525 (same for vdosys0,
already pinged Jason about it) because of the commits adding support for MT8186,
so *please rebase this series once again*.


Cheers,
Angelo