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Date:   Fri, 15 Oct 2021 20:38:25 +0800
From:   Moudy Ho <moudy.ho@...iatek.com>
To:     <moudy.ho@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Hans Verkuil" <hverkuil-cisco@...all.nl>,
        Jernej Skrabec <jernej.skrabec@...l.net>
CC:     Maoguang Meng <maoguang.meng@...iatek.com>,
        daoyuan huang <daoyuan.huang@...iatek.com>,
        Ping-Hsun Wu <ping-hsun.wu@...iatek.com>,
        "Geert Uytterhoeven" <geert+renesas@...der.be>,
        Rob Landley <rob@...dley.net>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <tfiga@...omium.org>,
        <drinkcat@...omium.org>, <acourbot@...omium.org>,
        <pihsun@...omium.org>, <menghui.lin@...iatek.com>,
        <sj.huang@...iatek.com>, <allen-kh.cheng@...iatek.com>,
        <randy.wu@...iatek.com>, <srv_heupstream@...iatek.com>,
        <hsinyi@...gle.com>
Subject: [PATCH v8 0/7] media: mediatek: support mdp3 on mt8183 platform

Change since v7:
- Rebase on v5.15-rc6
- Revise several V4L2 M2M settings to pass v4l2-compliance test
- Integrate those same component dt-binding documents of DRM and MDP, and move them under the MMSYS domain
- Split MMSYS and MUTEX into two different files according to their functional properties

Changes since v6:
- Refactor GCE event to corresponding node.
- Fix dt_binding_check fail.
- Fix compilation errors.

Changes since v5:
- Rebase on v5.14-rc6.
- Move MMSYS/Mutex settings to corresponding driver.
- Revise the software license description and copyright.
- Remove unnecessary enum. or definitions.
- Optimize platform/chip definition conditions.
- Use general printing functions instead of MDP3 private ones.
- Fix compile warning.

Changes since v4:
- Rebase on v5.13-rc1.
- Remove the CMDQ flush flow to match the CMDQ API change.
- Integrate four of MDP's direct-link subcomponents into MDP controller node
  from syscon node to avoid illegal clock usage.
- Rewrite dt-binding in a JSON compatible subset of YAML
- Fix a bit of macro argument precedence.

Changes since v3:
- Rebase on v5.9-rc1.
- modify code for review comment from Rob Herring, cancel multiple nodes using
  same register base situation.
- control IOMMU port through pm runtime get/put to DMA components' device.
- SCP(VPU) driver revision.
- stop queuing jobs(remove flush_workqueue()) after mdp_m2m_release().
- add computation of plane address with data_offset.
- fix scale ratio check issue.
- add default v4l2_format setting.

Changes since v2:
- modify code for review comment from Tomasz Figa & Alexandre Courbot
- review comment from Rob Herring will offer code revision in v4, due to
  it's related to device node modification, will need to modify code
  architecture

Changes since v1:
- modify code for CMDQ v3 API support
- EC ipi cmd migration
- fix compliance test fail item (m2m cmd with -f) due to there is two problem in runing all format(-f) cmd:
1. out of memory before test complete
        Due to capture buffer mmap (refcount + 1) after reqbuf but seems
        no corresponding munmap called before device close.
        There are total 12XX items(formats) in format test and each format
        alloc 8 capture/output buffers.
2. unceasingly captureBufs() (randomly)
        Seems the break statement didn't catch the count == 0 situation:
        In v4l2-test-buffers.cpp, function: captureBufs()
                        ...
                        count--;
                        if (!node->is_m2m && !count)
                                break;
        Log is as attachment

I will paste the test result with problem part in another e-mail

Hi,

This is the first version of RFC patch for Media Data Path 3 (MDP3),
MDP3 is used for scaling and color format conversion.
support using GCE to write register in critical time limitation.
support V4L2 m2m device control.

Moudy Ho (7):
  soc: mediatek: mmsys: add support for MDP
  soc: mediatek: mmsys: add support for ISP control
  soc: mediatek: mutex: add support for MDP
  soc: mediatek: mutex: add functions that operate registers by CMDQ
  dt-binding: mt8183: add Mediatek MDP3 dt-bindings
  dts: arm64: mt8183: add Mediatek MDP3 nodes
  media: platform: mtk-mdp3: add Mediatek MDP3 driver

 .../bindings/arm/mediatek/mediatek,ccorr.yaml |   59 +
 .../bindings/arm/mediatek/mediatek,rdma.yaml  |  211 +++
 .../bindings/arm/mediatek/mediatek,wdma.yaml  |   70 +
 .../bindings/media/mediatek,mdp3-rsz.yaml     |   68 +
 .../bindings/media/mediatek,mdp3-wrot.yaml    |   70 +
 arch/arm64/boot/dts/mediatek/mt8183.dtsi      |  112 +-
 drivers/media/platform/Kconfig                |   19 +
 drivers/media/platform/Makefile               |    2 +
 drivers/media/platform/mtk-mdp3/Makefile      |    6 +
 .../media/platform/mtk-mdp3/mdp_reg_ccorr.h   |   19 +
 drivers/media/platform/mtk-mdp3/mdp_reg_isp.h |   27 +
 .../media/platform/mtk-mdp3/mdp_reg_rdma.h    |   65 +
 drivers/media/platform/mtk-mdp3/mdp_reg_rsz.h |   39 +
 .../media/platform/mtk-mdp3/mdp_reg_wdma.h    |   47 +
 .../media/platform/mtk-mdp3/mdp_reg_wrot.h    |   55 +
 drivers/media/platform/mtk-mdp3/mtk-img-ipi.h |  280 ++++
 .../media/platform/mtk-mdp3/mtk-mdp3-cmdq.c   |  514 +++++++
 .../media/platform/mtk-mdp3/mtk-mdp3-cmdq.h   |   46 +
 .../media/platform/mtk-mdp3/mtk-mdp3-comp.c   | 1307 +++++++++++++++++
 .../media/platform/mtk-mdp3/mtk-mdp3-comp.h   |  147 ++
 .../media/platform/mtk-mdp3/mtk-mdp3-core.c   |  340 +++++
 .../media/platform/mtk-mdp3/mtk-mdp3-core.h   |   76 +
 .../media/platform/mtk-mdp3/mtk-mdp3-m2m.c    |  789 ++++++++++
 .../media/platform/mtk-mdp3/mtk-mdp3-m2m.h    |   49 +
 .../media/platform/mtk-mdp3/mtk-mdp3-regs.c   |  737 ++++++++++
 .../media/platform/mtk-mdp3/mtk-mdp3-regs.h   |  373 +++++
 .../media/platform/mtk-mdp3/mtk-mdp3-vpu.c    |  313 ++++
 .../media/platform/mtk-mdp3/mtk-mdp3-vpu.h    |   78 +
 drivers/soc/mediatek/Kconfig                  |    1 +
 drivers/soc/mediatek/mt8183-mmsys.h           |  235 +++
 drivers/soc/mediatek/mtk-mmsys.c              |  160 ++
 drivers/soc/mediatek/mtk-mmsys.h              |    3 +
 drivers/soc/mediatek/mtk-mutex.c              |   96 +-
 include/linux/soc/mediatek/mtk-mmsys.h        |   81 +
 include/linux/soc/mediatek/mtk-mutex.h        |    8 +
 35 files changed, 6500 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,ccorr.yaml
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,rdma.yaml
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,wdma.yaml
 create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
 create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml
 create mode 100644 drivers/media/platform/mtk-mdp3/Makefile
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_ccorr.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_isp.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_rdma.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_rsz.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_wdma.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mdp_reg_wrot.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-img-ipi.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-core.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.h
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-vpu.c
 create mode 100644 drivers/media/platform/mtk-mdp3/mtk-mdp3-vpu.h

-- 
2.18.0

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