linux-kernel - Re: [PATCH v14 0/4] Mediatek MT8173 CMDQ support

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Date:   Mon, 19 Sep 2016 14:43:59 +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 v14 0/4] Mediatek MT8173 CMDQ support

On Mon, 2016-09-05 at 09:44 +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 v4.8-rc1.
> 
> Changes since v13:
>  - move to mailbox folder
>  - simplify cmdq_thread_is_in_wfe
> 
> Best regards,
> HS Liao
> 
> HS Liao (4):
>   dt-bindings: soc: Add documentation for the MediaTek GCE unit
>   CMDQ: Mediatek CMDQ driver
>   arm64: dts: mt8173: Add GCE node
>   CMDQ: save more energy in idle
> 
>  .../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.c                         | 965 +++++++++++++++++++++
>  include/linux/mailbox/mtk-cmdq.h                   | 180 ++++
>  6 files changed, 1210 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/mtk-gce.txt
>  create mode 100644 drivers/mailbox/mtk-cmdq.c
>  create mode 100644 include/linux/mailbox/mtk-cmdq.h
> 

Hi Jassi,

Sorry to disturb you.
Do you have any further comment on CMDQ v14?

Thanks.
HS