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

From: Hans Verkuil
Date: Fri Sep 03 2021 - 06:02:07 EST

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Hi Moudy,

Can you provide the 'v4l2-compliance -s' output?

Make sure to compile v4l2-compliance from the latest code base:
https://git.linuxtv.org/v4l-utils.git/

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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Previous message: Andrew Jones: "Re: [PATCH v3 10/12] KVM: arm64: selftests: Add host support for vGIC"
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