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 21:07:44 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     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>,
        "Matthias Brugger" <mbrugger@...e.com>,
        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

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>

> 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
>