Re: [PATCH v7 0/5] media: mediatek: support mdp3 on mt8183 platform

From: moudy ho
Date: Thu Oct 14 2021 - 04:43:30 EST

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Hi Hans,

Thank you for your kind guidance, it is really helpful for us to
comprehend V4L2 framework.
After modifying the settings you mentioned, the V4L2-Compliance test
results all passed and listed below.
All these changes will be integrated into the next version.

localhost ~ # v4l2-compliance -d 11
v4l2-compliance SHA: not available
, 32 bits, 32-bit time_t

Compliance test for mtk-mdp3 device /dev/video11:

Driver Info:
Driver name : mtk-mdp3
Card type : 14001000.mdp3_rdma0
Bus info : platform:mtk-mdp3
Driver version : 5.10.66
Capabilities : 0x84204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format

Required ioctls:
test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
test second /dev/video11 open: OK
test VIDIOC_QUERYCAP: OK
test VIDIOC_G/S_PRIORITY: OK
test for unlimited opens: OK

test invalid ioctls: OK
Debug ioctls:
test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
test VIDIOC_QUERYCTRL: OK
test VIDIOC_G/S_CTRL: OK
test VIDIOC_G/S/TRY_EXT_CTRLS: OK
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 4 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
test VIDIOC_S_FMT: OK
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK
test Composing: OK
test Scaling: OK

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)

Total for mtk-mdp3 device /dev/video11: 45, Succeeded: 45, Failed: 0,
Warnings: 0

localhost ~ # v4l2-compliance -d 11 -s 1
v4l2-compliance SHA: not available
, 32 bits, 32-bit time_t

Compliance test for mtk-mdp3 device /dev/video11:

Driver Info:
Driver name : mtk-mdp3
Card type : 14001000.mdp3_rdma0
Bus info : platform:mtk-mdp3
Driver version : 5.10.66
Capabilities : 0x84204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format

Required ioctls:
test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
test second /dev/video11 open: OK
test VIDIOC_QUERYCAP: OK
test VIDIOC_G/S_PRIORITY: OK
test for unlimited opens: OK

test invalid ioctls: OK
Debug ioctls:
test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
test VIDIOC_QUERYCTRL: OK
test VIDIOC_G/S_CTRL: OK
test VIDIOC_G/S/TRY_EXT_CTRLS: OK
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 4 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
test VIDIOC_S_FMT: OK
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK
test Composing: OK
test Scaling: OK

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)

Test input 0:

Streaming ioctls:
test read/write: OK (Not Supported)
test blocking wait: OK
Video Capture Multiplanar: Captured 1 buffers
test MMAP (no poll): OK
Video Capture Multiplanar: Captured 1 buffers
test MMAP (select): OK
Video Capture Multiplanar: Captured 1 buffers
test MMAP (epoll): OK
test USERPTR (no poll): OK (Not Supported)
test USERPTR (select): OK (Not Supported)
test DMABUF: Cannot test, specify --expbuf-device

Total for mtk-mdp3 device /dev/video11: 52, Succeeded: 52, Failed: 0,
Warnings: 0

Thanks & Regards,
Moudy Ho

On Fri, 2021-09-03 at 12:01 +0200, Hans Verkuil wrote:
> Hi Moudy,
>
> Can you provide the 'v4l2-compliance -s' output?
>
> Make sure to compile v4l2-compliance from the latest code base:
>
https://urldefense.com/v3/__https://git.linuxtv.org/v4l-utils.git/__;!!CTRNKA9wMg0ARbw!2QmkFhMoYBCR4MC5d_l8b7zvdEdwkfd6826nOY6WAHQChU4rMl8P9UtO6Z8ZrcPD$
>
>
> Compiling on x86_64 (so using COMPILE_TEST) fails:
>
> LD .tmp_vmlinux.kallsyms1
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-core.o: in function
> `mdp_probe':
> mtk-mdp3-core.c:(.text+0x415): undefined reference to
> `mtk_mutex_mdp_get'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.o: in function
> `config_camin_subfrm':
> mtk-mdp3-comp.c:(.text+0x9b): undefined reference to
> `mtk_mmsys_mdp_camin_ctrl'
> ld: mtk-mdp3-comp.c:(.text+0xbc): undefined reference to
> `mtk_mmsys_mdp_camin_ctrl'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.o: in function
> `mdp_component_deinit':
> mtk-mdp3-comp.c:(.text+0x2707): undefined reference to
> `mtk_mutex_put'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.o: in function
> `init_isp.cold':
> mtk-mdp3-comp.c:(.text.unlikely+0x4f): undefined reference to
> `mtk_mmsys_mdp_isp_ctrl'
> ld: mtk-mdp3-comp.c:(.text.unlikely+0x7a): undefined reference to
> `mtk_mmsys_mdp_isp_ctrl'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_auto_release_work':
> mtk-mdp3-cmdq.c:(.text+0x13): undefined reference to
> `mtk_mutex_unprepare'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_path_subfrm_require':
> mtk-mdp3-cmdq.c:(.text+0x45e): undefined reference to
> `mtk_mutex_add_mdp_mod'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_path_subfrm_run.isra.0':
> mtk-mdp3-cmdq.c:(.text+0x78b): undefined reference to
> `mtk_mutex_enable_by_cmdq'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_path_config_subfrm':
> mtk-mdp3-cmdq.c:(.text+0xa0d): undefined reference to
> `mtk_mmsys_mdp_connect'
> ld: mtk-mdp3-cmdq.c:(.text+0xd08): undefined reference to
> `mtk_mmsys_mdp_disconnect'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_cmdq_send':
> (.text+0x1358): undefined reference to `mtk_mutex_prepare'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_handle_cmdq_callback.cold':
> mtk-mdp3-cmdq.c:(.text.unlikely+0x34): undefined reference to
> `mtk_mutex_unprepare'
> ld: drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.o: in function
> `mdp_cmdq_send.cold':
> mtk-mdp3-cmdq.c:(.text.unlikely+0xe3): undefined reference to
> `mtk_mutex_unprepare'
> make: *** [Makefile:1177: vmlinux] Error 1
>
> I also get compile warnings:
>
> drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c: In function
> ‘mdp_sub_comps_create’:
> drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c:1151:29: warning:
> implicit conversion from ‘enum mtk_mdp_comp_id’ to ‘enum
> mdp_comp_type’ [-Wenum-conversion]
> 1151 | enum mdp_comp_type type = MDP_COMP_NONE;
> | ^~~~~~~~~~~~~
> drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c: In function
> ‘mdp_component_init’:
> drivers/media/platform/mtk-mdp3/mtk-mdp3-comp.c:1217:6: warning:
> unused variable ‘i’ [-Wunused-variable]
> 1217 | int i, ret;
> | ^
> drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c: In function
> ‘mdp_cmdq_send’:
> drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c:489:1: warning: the
> frame size of 1312 bytes is larger than 1024 bytes [-Wframe-larger-
> than=]
> 489 | }
> | ^
>
> Regards,
>
> Hans
>
> On 24/08/2021 12:00, Moudy Ho wrote:
> > 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
> >
>
>

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