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

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Date:   Fri, 11 Nov 2016 11:15:41 +0530
From:   Jassi Brar <jassisinghbrar@...il.com>
To:     Horng-Shyang Liao <hs.liao@...iatek.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Devicetree List <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.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>
Subject: Re: [PATCH v16 0/5] Mediatek MT8173 CMDQ support

On Thu, Nov 10, 2016 at 4:45 PM, Horng-Shyang Liao <hs.liao@...iatek.com> wrote:
> 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.
>
No, you don't disturb, but the controller driver and protocol driver,
introduced in the same patch, does :)   So does the suspend/resume
support (patch 4&5) added  separately as a patch on top. Please
reorganise the patchset.

Thanks.