linux-kernel - Re: [PATCH v12 4/5] soc / drm: mediatek: Move routing control to mmsys device

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Date:   Fri, 17 Apr 2020 00:22:52 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Matthias Brugger <mbrugger@...e.com>
Cc:     CK Hu <ck.hu@...iatek.com>, Mark Rutland <mark.rutland@....com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        David Airlie <airlied@...ux.ie>,
        Michael Turquette <mturquette@...libre.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Richard Fontana <rfontana@...hat.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        ulrich.hecht+renesas@...il.com,
        Collabora Kernel ML <kernel@...labora.com>,
        linux-clk@...r.kernel.org, Weiyi Lu <weiyi.lu@...iatek.com>,
        wens@...e.org, Allison Randal <allison@...utok.net>,
        mtk01761 <wendell.lin@...iatek.com>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, Philipp Zabel <p.zabel@...gutronix.de>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Seiya Wang <seiya.wang@...iatek.com>, sean.wang@...iatek.com,
        Houlong Wei <houlong.wei@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        rdunlap@...radead.org, linux-kernel <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel@...ll.ch>, matthias.bgg@...nel.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Subject: Re: [PATCH v12 4/5] soc / drm: mediatek: Move routing control to
 mmsys device

Hi, Matthias:

Matthias Brugger <mbrugger@...e.com> 於 2020年3月26日 週四 下午11:45寫道：
>
>
>
> On 26/03/2020 15:51, CK Hu wrote:
> > Hi, Matthias:
> >
> > On Thu, 2020-03-26 at 12:54 +0100, Matthias Brugger wrote:
> >> Hi CK,
> >>
> >> On 26/03/2020 00:05, CK Hu wrote:
> >>> Hi, Matthias:
> >>>
> >>> On Wed, 2020-03-25 at 17:16 +0100, Matthias Brugger wrote:
> >>>>
> >>>> On 11/03/2020 17:53, Enric Balletbo i Serra wrote:
> >>>>> Provide a mtk_mmsys_ddp_connect() and mtk_mmsys_disconnect() functions to
> >>>>> replace mtk_ddp_add_comp_to_path() and mtk_ddp_remove_comp_from_path().
> >>>>> Those functions will allow DRM driver and others to control the data
> >>>>> path routing.
> >>>>>
> >>>>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> >>>>> Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
> >>>>> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> >>>>> Acked-by: CK Hu <ck.hu@...iatek.com>
> >>>>
> >>>> This patch does not apply against v5.6-rc1.
> >>>> Please rebase as this is a quite big patch and it won't be easy to do that by hand.
> >>>
> >>> I think this patch depends on [1] which has been acked by me and I have
> >>> not picked it. The simple way is that you pick [1] first and then pick
> >>> this series.
> >>>
> >>> [1]
> >>> https://patchwork.kernel.org/patch/11406227/
> >>>
> >>
> >> You would need to provide a stable tag for me that I can merge into my tree. You
> >> can also try to merge my for-next [1] which has the newest version from Enric.
> >> If you see any merge conflict, then we have to do something about it :)
> >>
> >> Regards,
> >> Matthias
> >>
> >> [1]
> >> https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/log/?h=for-next
> >>
> >
> > You have applied this series, so I would not apply other patches which
> > would conflict with this series. After this series land on main stream
> > (wish it happen in this merge window), I would rebase other patch on
> > main stream.
> >
>
> I haven't (yet) send the pull request. If you want to bring in your patches in
> v5.7 as well we can find a solution to that. Shall I provide you with a stable
> branch which you can merge? This way you can add all your patches in the pull
> request as well and we don't have to wait for v5.8 to get things into mainline.
>
> Let me know and I'll provide you with a stable branch.

This series is in linux-next but does not in main stream. So would you
please provide a stable branch so I could pull this series?

Regards,
Chun-Kuang.

>
> Regards,
> Matthias
>
> > Regards,
> > CK
> >
> >>> Regards,
> >>> CK
> >>>
> >>>>
> >>>> Regards,
> >>>> Matthias
> >>>>
> >>>>> ---
> >>>>>