linux-kernel - Re: [PATCH v7 0/6] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / ISP Driver

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Message-ID: <4776447.31r3eYUQgx@jernej-laptop>
Date:   Tue, 25 Oct 2022 07:01:59 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Samuel Holland <samuel@...lland.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v7 0/6] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / ISP Driver

Hi Paul,

Dne petek, 21. oktober 2022 ob 16:14:26 CEST je Paul Kocialkowski napisal(a):
> Hi,
> 
> On Sat 24 Sep 22, 17:32, Paul Kocialkowski wrote:
> > This part only concerns the introduction of the new ISP driver and related
> > adaptation of the CSI driver.
> 
> I don't think there is any significant issue preventing this series from
> being merged in Linux 6.2 at this point.
> 
> Could we move forward on it? It's been around for quite some time now.

While I'm no expert in ISP drivers, I can take a look (for other series too) 
this week.

Could you attach output of v4l2-complience output (for both)?

Best regards,
Jernej

> 
> Thanks!
> 
> Paul
> 
> > Most non-dt patches still need reviewing but should be pretty
> > straightforward. Since this multi-part series has been going on for a
> > while, it would be great to see it merged soon!
> > 
> > Changes since v6:
> > - Added a per-compatible check for the required port in dt binding;
> > - Reworded ISP output port description in dt binding;
> > - Reversed ISP detection order to have fwnode first;
> > - Removed info print when ISP link is detected;
> > - Added warn print when ISP is linked but not enabled in config;
> > - Fixed sun6i_csi_isp_detect return type;
> > - Removed useless initialization in sun6i_csi_isp_detect;
> > - Fixed typo in sun6i_csi_isp_detect;
> > - Added collected tags;
> > 
> > Changes since v5:
> > - Rebased on latest media tree;
> > - Added collected tag;
> > - Switched to using media_pad_remote_pad_first;
> > - Switched to using media_pad_remote_pad_unique.
> > 
> > Changes since v4:
> > - Fixed device-tree binding indent-align;
> > - Added collected tag;
> > - Rebased on latest media tree;
> > 
> > Changes since v3:
> > - Removed the v4l2 controls handler from the driver;
> > - Added variant structure for table sizes;
> > - Removed the info message about video device registration;
> > - Removed comments in uAPI header;
> > - Used '/schemas/graph.yaml#/properties/port' whenever possible in
> > bindings; - Added CSI patches dependent on the ISP driver;
> > - Rebased on the latest media tree;
> > 
> > Changes since all-in-one v2:
> > - Updated Kconfig to follow the latest media-wide changes;
> > - Reworked async subdev handling with a dedicated structure holding the
> > 
> >   corresponding source to avoid matching in the driver;
> > 
> > - Switched to clock-managed regmap mmio;
> > - Used helper to get a single enabled link for an entity's pad, to replace
> > 
> >   source selection at link_validate time and select the remote source at
> >   stream on time instead;
> > 
> > - Added mutex for mbus format serialization;
> > - Used endpoint-base instead of video-interface for "internal" endpoints
> > 
> >   in device-tree schema;
> > 
> > - Added TODO with unstaging requirements;
> > - Various cosmetic cleanups;
> > - Updated copyright years;
> > 
> > Paul Kocialkowski (6):
> >   dt-bindings: media: Add Allwinner A31 ISP bindings documentation
> >   dt-bindings: media: sun6i-a31-csi: Add internal output port to the ISP
> >   staging: media: Add support for the Allwinner A31 ISP
> >   MAINTAINERS: Add entry for the Allwinner A31 ISP driver
> >   media: sun6i-csi: Detect the availability of the ISP
> >   media: sun6i-csi: Add support for hooking to the isp devices
> >  
> >  .../media/allwinner,sun6i-a31-csi.yaml        |   4 +
> >  .../media/allwinner,sun6i-a31-isp.yaml        | 101 +++
> >  MAINTAINERS                                   |   9 +
> >  .../platform/sunxi/sun6i-csi/sun6i_csi.c      |  75 +-
> >  .../platform/sunxi/sun6i-csi/sun6i_csi.h      |  10 +
> >  .../sunxi/sun6i-csi/sun6i_csi_bridge.c        |  32 +-
> >  .../sunxi/sun6i-csi/sun6i_csi_capture.c       |  19 +-
> >  .../sunxi/sun6i-csi/sun6i_csi_capture.h       |   1 +
> >  drivers/staging/media/sunxi/Kconfig           |   1 +
> >  drivers/staging/media/sunxi/Makefile          |   1 +
> >  drivers/staging/media/sunxi/sun6i-isp/Kconfig |  15 +
> >  .../staging/media/sunxi/sun6i-isp/Makefile    |   4 +
> >  .../staging/media/sunxi/sun6i-isp/TODO.txt    |   6 +
> >  .../staging/media/sunxi/sun6i-isp/sun6i_isp.c | 555 +++++++++++++
> >  .../staging/media/sunxi/sun6i-isp/sun6i_isp.h |  90 +++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_capture.c | 742 ++++++++++++++++++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_capture.h |  78 ++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_params.c  | 566 +++++++++++++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_params.h  |  52 ++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_proc.c    | 577 ++++++++++++++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_proc.h    |  66 ++
> >  .../media/sunxi/sun6i-isp/sun6i_isp_reg.h     | 275 +++++++
> >  .../sunxi/sun6i-isp/uapi/sun6i-isp-config.h   |  43 +
> >  23 files changed, 3309 insertions(+), 13 deletions(-)
> >  create mode 100644
> >  Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/Kconfig
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/Makefile
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/TODO.txt
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.h
> >  create mode 100644
> >  drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c create mode
> >  100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.h create
> >  mode 100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c
> >  create mode 100644
> >  drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.h create mode
> >  100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c create
> >  mode 100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.h
> >  create mode 100644 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_reg.h
> >  create mode 100644
> >  drivers/staging/media/sunxi/sun6i-isp/uapi/sun6i-isp-config.h