linux-kernel - Re: [PATCH v11 4/5] soc / drm: mediatek: Move routing control to mmsys device

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Date:   Wed, 11 Mar 2020 14:25:26 +0100
From:   Matthias Brugger <mbrugger@...e.com>
To:     CK Hu <ck.hu@...iatek.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, p.zabel@...gutronix.de,
        airlied@...ux.ie, mturquette@...libre.com, sboyd@...nel.org,
        ulrich.hecht+renesas@...il.com, laurent.pinchart@...asonboard.com,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-media@...r.kernel.org, Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-mediatek@...ts.infradead.org,
        Collabora Kernel ML <kernel@...labora.com>,
        dri-devel@...ts.freedesktop.org,
        Seiya Wang <seiya.wang@...iatek.com>,
        linux-kernel@...r.kernel.org, wens@...e.org,
        Daniel Vetter <daniel@...ll.ch>, linux-clk@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        devicetree@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        frank-w@...lic-files.de, linux-arm-kernel@...ts.infradead.org,
        hsinyi@...omium.org, Richard Fontana <rfontana@...hat.com>,
        mtk01761 <wendell.lin@...iatek.com>,
        Weiyi Lu <weiyi.lu@...iatek.com>, sean.wang@...iatek.com,
        rdunlap@...radead.org, matthias.bgg@...nel.org,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        Minghsiu Tsai <minghsiu.tsai@...iatek.com>
Subject: Re: [PATCH v11 4/5] soc / drm: mediatek: Move routing control to
 mmsys device



On 11/03/2020 14:07, CK Hu wrote:
> Hi, Enric:
> 
> On Wed, 2020-03-11 at 12:56 +0100, 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.
>>
> 
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> 

If I remember correctly you are OK me taking the patch through the SoC tree, right?

In this case I'd need a Acked-by tag. Not a big deal, just trying to remeber the
tag policy in the linux kernel :)

Regards,
Matthias

>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>> Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
>> ---
>>
>> Changes in v11: None
>> Changes in v10:
>> - Select CONFIG_MTK_MMSYS (CK)
>> - Pass device pointer of mmsys device instead of config regs (CK)
>>
>> Changes in v9:
>> - Introduced a new patch to move routing control into mmsys driver.
>> - Removed the patch to use regmap as is not needed anymore.
>>
>> Changes in v8: None
>> Changes in v7: None
>>
>>  drivers/gpu/drm/mediatek/Kconfig        |   1 +
>>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c |  19 +-
>>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c  | 256 ----------------------
>>  drivers/gpu/drm/mediatek/mtk_drm_ddp.h  |   7 -
>>  drivers/gpu/drm/mediatek/mtk_drm_drv.c  |  14 +-
>>  drivers/gpu/drm/mediatek/mtk_drm_drv.h  |   2 +-
>>  drivers/soc/mediatek/mtk-mmsys.c        | 279 ++++++++++++++++++++++++
>>  include/linux/soc/mediatek/mtk-mmsys.h  |  20 ++
>>  8 files changed, 316 insertions(+), 282 deletions(-)
>>  create mode 100644 include/linux/soc/mediatek/mtk-mmsys.h
>>
>