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    Subject[PATCH v7 0/5] media: mediatek: support mdp3 on mt8183 platform
    Date
    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 (5):
    soc: mediatek: mutex: add support for MDP
    soc: mediatek: mmsys: Add support for MDP
    dt-binding: mt8183: Add Mediatek MDP3 dt-bindings
    dts: arm64: mt8183: Add Mediatek MDP3 nodes
    media: platform: mtk-mdp3: Add Mediatek MDP3 driver

    .../bindings/media/mediatek,mdp3-ccorr.yaml | 57 +
    .../bindings/media/mediatek,mdp3-rdma.yaml | 207 +++
    .../bindings/media/mediatek,mdp3-rsz.yaml | 65 +
    .../bindings/media/mediatek,mdp3-wdma.yaml | 71 +
    .../bindings/media/mediatek,mdp3-wrot.yaml | 71 +
    arch/arm64/boot/dts/mediatek/mt8183.dtsi | 110 ++
    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 | 507 +++++++
    .../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 | 329 +++++
    .../media/platform/mtk-mdp3/mtk-mdp3-core.h | 75 +
    .../media/platform/mtk-mdp3/mtk-mdp3-m2m.c | 801 ++++++++++
    .../media/platform/mtk-mdp3/mtk-mdp3-m2m.h | 41 +
    .../media/platform/mtk-mdp3/mtk-mdp3-regs.c | 746 ++++++++++
    .../media/platform/mtk-mdp3/mtk-mdp3-regs.h | 372 +++++
    .../media/platform/mtk-mdp3/mtk-mdp3-vpu.c | 312 ++++
    .../media/platform/mtk-mdp3/mtk-mdp3-vpu.h | 78 +
    drivers/soc/mediatek/mt8183-mmsys.h | 235 +++
    drivers/soc/mediatek/mtk-mmsys.c | 164 +++
    drivers/soc/mediatek/mtk-mmsys.h | 9 +-
    drivers/soc/mediatek/mtk-mutex.c | 106 +-
    include/linux/soc/mediatek/mtk-mmsys.h | 81 +
    include/linux/soc/mediatek/mtk-mutex.h | 8 +
    34 files changed, 6495 insertions(+), 9 deletions(-)
    create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-ccorr.yaml
    create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
    create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
    create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-wdma.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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