[PATCH v16 0/5] Mediatek MT8173 CMDQ support

Jassi Brar jaswinder.singh at linaro.org
Sun Nov 13 20:10:55 PST 2016


On 11 November 2016 at 15:04, Horng-Shyang Liao <hs.liao at mediatek.com> wrote:
> On Fri, 2016-11-11 at 11:15 +0530, Jassi Brar wrote:
>> On Thu, Nov 10, 2016 at 4:45 PM, Horng-Shyang Liao <hs.liao at mediatek.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.
>
> Hi Jassi,
>
> Do you mean
> 1. split controller driver and protocol driver as two patches,
> 2. merge patch 4&5 into one patch, and
> 3. reorganize the patchset as "(1) binding doc (2) controller driver
>    (3) protocol driver (4) devicetree (5) energy patch" ?
>
Merge any patch to controller driver, in the patch that adds the
controller driver. Protocol driver patch should be the last in the
series.



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