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SubjectRe: [PATCH v10 00/11] Rockchip ISP Driver
From
Date
Hi Helen,

On 11/7/19 1:56 AM, Helen Koike wrote:
> Hello,
>
> This series adds the Rockchip Image Signal Processing Unit v1 driver to
> staging.
>
> The main reason to be in staging is that people are already using it from the
> mailing list (including libcamera), and having it in mainlin makes the workflow
> easier. Also, it is easier for other people to contribute back (with code
> or testing the driver).
>
> We plan to actively work on this driver to get it our of staging.
>
> This patchset is also available at:
> https://gitlab.collabora.com/koike/linux/tree/rockchip/isp/v10
>
> Libcamera patched to work with this version:
> https://gitlab.collabora.com/koike/libcamera
> (also sent to the mailing list)
>
> The major difference in v10 are:
> * I splitted the patches again in different commits, since it was too big for
> the media mailing list and also it's easier to get dt-bindings approval.
> * We don't expose the metadata pixelformats to the uapi yet, so patch
> "media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format" was
> removed from the series.
> * TODO list was updated to remind to test uapi structs in different
> architectures.
>
> This series only touches MAINTAINERS file and drivers/staging/
>
> MAINTAINERS
> drivers/staging/media/Kconfig
> drivers/staging/media/Makefile
> drivers/staging/media/phy-rockchip-dphy/Kconfig
> drivers/staging/media/phy-rockchip-dphy/Makefile
> drivers/staging/media/phy-rockchip-dphy/TODO
> drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c
> drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.txt
> drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt
> drivers/staging/media/rkisp1/Documentation/media/uapi/v4l/pixfmt-meta-rkisp1-params.rst
> drivers/staging/media/rkisp1/Documentation/media/uapi/v4l/pixfmt-meta-rkisp1-stat.rst
> drivers/staging/media/rkisp1/Kconfig
> drivers/staging/media/rkisp1/Makefile
> drivers/staging/media/rkisp1/TODO
> drivers/staging/media/rkisp1/capture.c
> drivers/staging/media/rkisp1/capture.h
> drivers/staging/media/rkisp1/common.h
> drivers/staging/media/rkisp1/dev.c
> drivers/staging/media/rkisp1/dev.h
> drivers/staging/media/rkisp1/isp_params.c
> drivers/staging/media/rkisp1/isp_params.h
> drivers/staging/media/rkisp1/isp_stats.c
> drivers/staging/media/rkisp1/isp_stats.h
> drivers/staging/media/rkisp1/regs.c
> drivers/staging/media/rkisp1/regs.h
> drivers/staging/media/rkisp1/rkisp1.c
> drivers/staging/media/rkisp1/rkisp1.h
> drivers/staging/media/rkisp1/uapi/rkisp1-config.h
>
> Two drivers were added, including a TODO list for removing it from
> staging:
>
> * phy-rockchip-dphy: mipi dphy driver used by csi
> * rkisp1: the image signal processing unit driver
>
> Any feedback is welcome.

I get a lot of checkpatch.pl --strict warnings for this series that for the most
part seem very trivial. Please fix these, it's much easier to maintain the driver
if this is done before merging it.

I also get these compile warnings:

drivers/staging/media/rkisp1/isp_stats.c: In function ‘rkisp1_register_stats_vdev’:
drivers/staging/media/rkisp1/isp_stats.c:452:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
452 | if (ret < 0)
| ^
drivers/staging/media/rkisp1/isp_stats.c:456:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
456 | if (ret < 0) {
| ^
drivers/staging/media/rkisp1/rkisp1.c: In function ‘rkisp1_config_isp’:
drivers/staging/media/rkisp1/rkisp1.c:154:20: warning: variable ‘out_crop’ set but not used [-Wunused-but-set-variable]
154 | struct v4l2_rect *out_crop, *in_crop;
| ^~~~~~~~

I also got these sparse warnings:

SPARSE:/home/hans/work/build/media-git/drivers/staging/media/rkisp1/isp_params.c
/home/hans/work/build/media-git/drivers/staging/media/rkisp1/isp_params.c:1511:29: warning: symbol 'rkisp1_params_fops' was not declared.
Should it be static?
SPARSE:/home/hans/work/build/media-git/drivers/staging/media/rkisp1/rkisp1.c
/home/hans/work/build/media-git/drivers/staging/media/rkisp1/rkisp1.c:943:43: warning: missing braces around initializer

Regards,

Hans

>
> Thanks,
> Helen
>
> Helen Koike (1):
> MAINTAINERS: add entry for Rockchip ISP1 driver
>
> Jacob Chen (9):
> media: staging: phy-rockchip-dphy: add Rockchip MIPI Synopsys DPHY
> driver
> media: staging: rkisp1: add document for rkisp1 meta buffer format
> media: staging: rkisp1: add Rockchip ISP1 subdev driver
> media: staging: rkisp1: add ISP1 statistics driver
> media: staging: rkisp1: add ISP1 params driver
> media: staging: rkisp1: add capture device driver
> media: staging: rkisp1: add rockchip isp1 core driver
> media: staging: dt-bindings: Document the Rockchip ISP1 bindings
> media: staging: dt-bindings: Document the Rockchip MIPI RX D-PHY
> bindings
>
> Jeffy Chen (1):
> media: staging: rkisp1: add user space ABI definitions
>
> MAINTAINERS | 6 +
> drivers/staging/media/Kconfig | 4 +
> drivers/staging/media/Makefile | 2 +
> .../staging/media/phy-rockchip-dphy/Kconfig | 11 +
> .../staging/media/phy-rockchip-dphy/Makefile | 2 +
> drivers/staging/media/phy-rockchip-dphy/TODO | 6 +
> .../phy-rockchip-dphy/phy-rockchip-dphy.c | 400 ++++
> .../bindings/media/rockchip-isp1.txt | 71 +
> .../bindings/media/rockchip-mipi-dphy.txt | 38 +
> .../uapi/v4l/pixfmt-meta-rkisp1-params.rst | 23 +
> .../uapi/v4l/pixfmt-meta-rkisp1-stat.rst | 22 +
> drivers/staging/media/rkisp1/Kconfig | 13 +
> drivers/staging/media/rkisp1/Makefile | 7 +
> drivers/staging/media/rkisp1/TODO | 23 +
> drivers/staging/media/rkisp1/capture.c | 1869 +++++++++++++++++
> drivers/staging/media/rkisp1/capture.h | 164 ++
> drivers/staging/media/rkisp1/common.h | 98 +
> drivers/staging/media/rkisp1/dev.c | 439 ++++
> drivers/staging/media/rkisp1/dev.h | 67 +
> drivers/staging/media/rkisp1/isp_params.c | 1604 ++++++++++++++
> drivers/staging/media/rkisp1/isp_params.h | 50 +
> drivers/staging/media/rkisp1/isp_stats.c | 494 +++++
> drivers/staging/media/rkisp1/isp_stats.h | 60 +
> drivers/staging/media/rkisp1/regs.c | 224 ++
> drivers/staging/media/rkisp1/regs.h | 1525 ++++++++++++++
> drivers/staging/media/rkisp1/rkisp1.c | 1246 +++++++++++
> drivers/staging/media/rkisp1/rkisp1.h | 97 +
> .../staging/media/rkisp1/uapi/rkisp1-config.h | 819 ++++++++
> 28 files changed, 9384 insertions(+)
> create mode 100644 drivers/staging/media/phy-rockchip-dphy/Kconfig
> create mode 100644 drivers/staging/media/phy-rockchip-dphy/Makefile
> create mode 100644 drivers/staging/media/phy-rockchip-dphy/TODO
> create mode 100644 drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c
> create mode 100644 drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.txt
> create mode 100644 drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt
> create mode 100644 drivers/staging/media/rkisp1/Documentation/media/uapi/v4l/pixfmt-meta-rkisp1-params.rst
> create mode 100644 drivers/staging/media/rkisp1/Documentation/media/uapi/v4l/pixfmt-meta-rkisp1-stat.rst
> create mode 100644 drivers/staging/media/rkisp1/Kconfig
> create mode 100644 drivers/staging/media/rkisp1/Makefile
> create mode 100644 drivers/staging/media/rkisp1/TODO
> create mode 100644 drivers/staging/media/rkisp1/capture.c
> create mode 100644 drivers/staging/media/rkisp1/capture.h
> create mode 100644 drivers/staging/media/rkisp1/common.h
> create mode 100644 drivers/staging/media/rkisp1/dev.c
> create mode 100644 drivers/staging/media/rkisp1/dev.h
> create mode 100644 drivers/staging/media/rkisp1/isp_params.c
> create mode 100644 drivers/staging/media/rkisp1/isp_params.h
> create mode 100644 drivers/staging/media/rkisp1/isp_stats.c
> create mode 100644 drivers/staging/media/rkisp1/isp_stats.h
> create mode 100644 drivers/staging/media/rkisp1/regs.c
> create mode 100644 drivers/staging/media/rkisp1/regs.h
> create mode 100644 drivers/staging/media/rkisp1/rkisp1.c
> create mode 100644 drivers/staging/media/rkisp1/rkisp1.h
> create mode 100644 drivers/staging/media/rkisp1/uapi/rkisp1-config.h
>

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