linux-kernel - Re: [PATCH v16 0/5] Mediatek MT8173 CMDQ support

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Message-ID: <1478776558.15447.2.camel@mtksdaap41>
Date:   Thu, 10 Nov 2016 19:15:58 +0800
From:   Horng-Shyang Liao <hs.liao@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     Daniel Kurtz <djkurtz@...omium.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>,
        "Sascha Hauer" <kernel@...gutronix.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Nicolas Boichat <drinkcat@...omium.org>,
        CK HU <ck.hu@...iatek.com>,
        "cawa cheng" <cawa.cheng@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        "YT Shen" <yt.shen@...iatek.com>,
        Daoyuan Huang <daoyuan.huang@...iatek.com>,
        Damon Chu <damon.chu@...iatek.com>,
        Josh-YC Liu <josh-yc.liu@...iatek.com>,
        Glory Hung <glory.hung@...iatek.com>,
        Jiaguang Zhang <jiaguang.zhang@...iatek.com>,
        Dennis-YC Hsieh <dennis-yc.hsieh@...iatek.com>,
        Monica Wang <monica.wang@...iatek.com>, <hs.liao@...iatek.com>
Subject: Re: [PATCH v16 0/5] Mediatek MT8173 CMDQ support

On Tue, 2016-11-01 at 19:28 +0800, HS Liao wrote:
> Hi,
> 
> This is Mediatek MT8173 Command Queue(CMDQ) driver. The CMDQ is used
> to help write registers with critical time limitation, such as
> updating display configuration during the vblank. It controls Global
> Command Engine (GCE) hardware to achieve this requirement.
> 
> These patches have a build dependency on top of v4.9-rc1.
> 
> Changes since v15:
>  - separate "suspend and resume" patch from "save energy" patch
>  - don't stop running tasks in cmdq_suspend()
>    (i.e. leave no running tasks guarantee to clients)
> 
> Best regards,
> HS Liao
> 
> HS Liao (5):
>   dt-bindings: soc: Add documentation for the MediaTek GCE unit
>   CMDQ: Mediatek CMDQ driver
>   arm64: dts: mt8173: Add GCE node
>   CMDQ: suspend and resume
>   CMDQ: save energy
> 
>  .../devicetree/bindings/mailbox/mtk-gce.txt        |  43 ++
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi           |  10 +
>  drivers/mailbox/Kconfig                            |  10 +
>  drivers/mailbox/Makefile                           |   2 +
>  drivers/mailbox/mtk-cmdq-mailbox.c                 | 632 +++++++++++++++++++++
>  drivers/soc/mediatek/Kconfig                       |  11 +
>  drivers/soc/mediatek/Makefile                      |   1 +
>  drivers/soc/mediatek/mtk-cmdq-helper.c             | 310 ++++++++++
>  include/linux/mailbox/mtk-cmdq-mailbox.h           |  67 +++
>  include/linux/soc/mediatek/mtk-cmdq.h              | 182 ++++++
>  10 files changed, 1268 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/mtk-gce.txt
>  create mode 100644 drivers/mailbox/mtk-cmdq-mailbox.c
>  create mode 100644 drivers/soc/mediatek/mtk-cmdq-helper.c
>  create mode 100644 include/linux/mailbox/mtk-cmdq-mailbox.h
>  create mode 100644 include/linux/soc/mediatek/mtk-cmdq.h
> 


Hi Jassi, Matthias,

Sorry to disturb you.
Do you have any further comment on CMDQ v16?

Thanks.
HS