From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: devicetree@vger.kernel.org, eddie.cai.linux@gmail.com,
kernel@collabora.com, heiko@sntech.de,
jacob2.chen@rock-chips.com, jeffy.chen@rock-chips.com,
zyc@rock-chips.com, linux-kernel@vger.kernel.org,
tfiga@chromium.org, Allon Huang <allon.huang@rock-chips.com>,
linux-rockchip@lists.infradead.org,
Helen Koike <helen.koike@collabora.com>,
Jacob Chen <cc@rock-chips.com>,
hans.verkuil@cisco.com, sakari.ailus@linux.intel.com,
zhengsq@rock-chips.com, mchehab@kernel.org,
ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH v8 05/14] media: rkisp1: add Rockchip ISP1 subdev driver
Date: Thu, 15 Aug 2019 22:35:11 +0300 [thread overview]
Message-ID: <20190815193511.GB5011@pendragon.ideasonboard.com> (raw)
In-Reply-To: <f229a840-bcf3-50c8-27c6-363c72de1d01@xs4all.nl>
Hi Hans,
On Wed, Aug 07, 2019 at 12:39:17PM +0200, Hans Verkuil wrote:
> On 8/6/19 8:51 PM, Helen Koike wrote:
> > On 7/30/19 3:42 PM, Helen Koike wrote:
> >> From: Jacob Chen <jacob2.chen@rock-chips.com>
> >>
> >> Add the subdev driver for rockchip isp1.
> >>
> >> Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
> >> Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
> >> Signed-off-by: Yichong Zhong <zyc@rock-chips.com>
> >> Signed-off-by: Jacob Chen <cc@rock-chips.com>
> >> Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
> >> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
> >> Signed-off-by: Allon Huang <allon.huang@rock-chips.com>
> >> Signed-off-by: Tomasz Figa <tfiga@chromium.org>
> >> [fixed unknown entity type / switched to PIXEL_RATE]
> >> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
> >> [update for upstream]
> >> Signed-off-by: Helen Koike <helen.koike@collabora.com>
> >>
> >> ---
> >>
> >> Changes in v8: None
> >> Changes in v7:
> >> - fixed warning because of unknown entity type
> >> - fixed v4l2-compliance errors regarding rkisp1 formats, try formats
> >> and default values
> >> - fix typo riksp1/rkisp1
> >> - redesign: remove mipi/csi subdevice, sensors connect directly to the
> >> isp subdevice in the media topology now. As a consequence, remove the
> >> hack in mipidphy_g_mbus_config() where information from the sensor was
> >> being propagated through the topology.
> >> - From the old dphy:
> >> * cache get_remote_sensor() in s_stream
> >> * use V4L2_CID_PIXEL_RATE instead of V4L2_CID_LINK_FREQ
> >> - Replace stream state with a boolean
> >> - code styling and checkpatch fixes
> >> - fix stop_stream (return after calling stop, do not reenable the stream)
> >> - fix rkisp1_isp_sd_get_selection when V4L2_SUBDEV_FORMAT_TRY is set
> >> - fix get format in output (isp_sd->out_fmt.mbus_code was being ignored)
> >> - s/intput/input
> >> - remove #define sd_to_isp_sd(_sd), add a static inline as it will be
> >> reused by the capture
> >>
> >> drivers/media/platform/rockchip/isp1/rkisp1.c | 1286 +++++++++++++++++
> >> drivers/media/platform/rockchip/isp1/rkisp1.h | 111 ++
> >> 2 files changed, 1397 insertions(+)
> >> create mode 100644 drivers/media/platform/rockchip/isp1/rkisp1.c
> >> create mode 100644 drivers/media/platform/rockchip/isp1/rkisp1.h
> >>
> >> diff --git a/drivers/media/platform/rockchip/isp1/rkisp1.c b/drivers/media/platform/rockchip/isp1/rkisp1.c
> >> new file mode 100644
> >> index 000000000000..6d0c0ffb5e03
> >> --- /dev/null
> >> +++ b/drivers/media/platform/rockchip/isp1/rkisp1.c
> >> @@ -0,0 +1,1286 @@
>
> <snip>
>
> >> +static int rkisp1_isp_sd_get_fmt(struct v4l2_subdev *sd,
> >> + struct v4l2_subdev_pad_config *cfg,
> >> + struct v4l2_subdev_format *fmt)
> >> +{
> >> + struct rkisp1_isp_subdev *isp_sd = sd_to_isp_sd(sd);
> >> + struct v4l2_mbus_framefmt *mf = &fmt->format;
> >> +
> >> + if ((fmt->pad != RKISP1_ISP_PAD_SINK) &&
> >> + (fmt->pad != RKISP1_ISP_PAD_SOURCE_PATH)) {
> >> + fmt->format.code = MEDIA_BUS_FMT_FIXED;
> >> + /*
> >> + * NOTE: setting a format here doesn't make much sense
> >> + * but v4l2-compliance complains
> >> + */
> >> + fmt->format.width = RKISP1_DEFAULT_WIDTH;
> >> + fmt->format.height = RKISP1_DEFAULT_HEIGHT;
> >
> > As I had mentioned to you, this is called for the isp pads connected to the
> > DMA engines for statistics and parameters (meta data).
> >
> > If I remove those, I get the following errors:
> >
> > Sub-Device ioctls (Sink Pad 1):
> > test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> > fail: v4l2-test-subdevs.cpp(311): fmt.width == 0 || fmt.width > 65536
> > fail: v4l2-test-subdevs.cpp(356): checkMBusFrameFmt(node, fmt.format)
> > test Try VIDIOC_SUBDEV_G/S_FMT: FAIL
> > test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> > test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
> > fail: v4l2-test-subdevs.cpp(311): fmt.width == 0 || fmt.width > 65536
> > fail: v4l2-test-subdevs.cpp(356): checkMBusFrameFmt(node, fmt.format)
> > test Active VIDIOC_SUBDEV_G/S_FMT: FAIL
> > test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
> > test VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)
> >
> > Here is the full log: http://ix.io/1QNt
> >
> > Is this a bug in v4l2-compliance?
>
> Yes and no :-)
>
> Currently v4l2-compliance assumes that only video is transferred over a media bus.
> But that's not the case here, and testing the code field doesn't help v4l2-compliance
> since MEDIA_BUS_FMT_FIXED is also still used by some older subdev drivers for video.
>
> I think we need a new bus format: MEDIA_BUS_FMT_FIXED_METADATA. Then v4l2-compliance
> can tell it apart from the regular fixed video bus format.
Wouldn't a pad flag that identifies the type of data transmitted by a
pad be a better, backward-compatible option ? This could be useful for
audio as well.
> If I do a 'git grep MEDIA_BUS_FMT_FIXED' then I see that it is also in use by vsp1
> for histogram information, so that should also be converted to use the new FIXED_METADATA
> format, although that might be too late (there might be userspace complications).
Yes, probably not a good idea.
> >> + fmt->format.field = V4L2_FIELD_NONE;
> >> + return 0;
> >> + }
> >> +
> >> + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
> >> + mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
> >> + fmt->format = *mf;
> >> + return 0;
> >> + }
> >> +
> >> + if (fmt->pad == RKISP1_ISP_PAD_SINK) {
> >> + *mf = isp_sd->in_frm;
> >> + } else if (fmt->pad == RKISP1_ISP_PAD_SOURCE_PATH) {
> >> + /* format of source pad */
> >> + *mf = isp_sd->in_frm;
> >> + mf->code = isp_sd->out_fmt.mbus_code;
> >> + /* window size of source pad */
> >> + mf->width = isp_sd->out_crop.width;
> >> + mf->height = isp_sd->out_crop.height;
> >> + mf->quantization = isp_sd->quantization;
> >> + }
> >> + mf->field = V4L2_FIELD_NONE;
> >> +
> >> + return 0;
> >> +}
--
Regards,
Laurent Pinchart
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-08-15 19:35 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 18:42 [PATCH v8 00/14] Rockchip ISP1 Driver Helen Koike
2019-07-30 18:42 ` [PATCH v8 01/14] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format Helen Koike
2019-08-15 13:30 ` Laurent Pinchart
2019-07-30 18:42 ` [PATCH v8 02/14] media: doc: add document for " Helen Koike
2019-08-07 13:09 ` Sakari Ailus
2019-08-15 13:51 ` Laurent Pinchart
2019-07-30 18:42 ` [PATCH v8 03/14] media: rkisp1: Add user space ABI definitions Helen Koike
2019-08-15 18:46 ` Laurent Pinchart
2020-07-10 12:59 ` Dafna Hirschfeld
2020-07-10 13:36 ` Laurent Pinchart
2020-07-10 14:30 ` Dafna Hirschfeld
2019-07-30 18:42 ` [PATCH v8 04/14] media: rkisp1: add Rockchip MIPI Synopsys DPHY driver Helen Koike
2019-08-07 13:05 ` Sakari Ailus
2019-08-07 13:37 ` Helen Koike
2019-08-15 17:54 ` Laurent Pinchart
2019-08-15 18:26 ` Heiko Stübner
2019-08-21 21:46 ` Helen Koike
2019-08-22 2:32 ` Laurent Pinchart
2019-07-30 18:42 ` [PATCH v8 05/14] media: rkisp1: add Rockchip ISP1 subdev driver Helen Koike
2019-08-06 18:51 ` Helen Koike
2019-08-07 10:39 ` Hans Verkuil
2019-08-15 19:35 ` Laurent Pinchart [this message]
2020-03-25 6:34 ` Dafna Hirschfeld
2020-03-25 7:11 ` Laurent Pinchart
2020-03-25 8:51 ` Dafna Hirschfeld
2020-03-25 9:11 ` Laurent Pinchart
2019-08-08 9:14 ` Sakari Ailus
2019-08-15 0:58 ` Helen Koike
2019-08-15 8:24 ` Sakari Ailus
2019-08-15 10:29 ` Tomasz Figa
2019-08-15 10:45 ` Sakari Ailus
2019-08-15 13:17 ` Sakari Ailus
2020-01-31 19:38 ` Dafna Hirschfeld
2020-02-12 21:13 ` Sakari Ailus
2020-02-13 12:50 ` Dafna Hirschfeld
2019-08-16 0:13 ` Laurent Pinchart
2020-07-11 11:04 ` Dafna Hirschfeld
2020-07-17 7:46 ` Dafna Hirschfeld
2020-07-22 16:01 ` Tomasz Figa
2020-07-22 15:24 ` Tomasz Figa
2020-07-22 16:30 ` Laurent Pinchart
2020-07-22 17:12 ` Tomasz Figa
2020-07-22 17:50 ` Laurent Pinchart
2020-08-05 21:10 ` Dafna Hirschfeld
2020-08-06 9:21 ` Dafna Hirschfeld
2020-08-06 12:22 ` Tomasz Figa
2020-08-07 16:08 ` Dafna Hirschfeld
2020-08-13 6:17 ` Dafna Hirschfeld
2020-08-06 12:08 ` Tomasz Figa
2020-08-07 16:02 ` Dafna Hirschfeld
2019-07-30 18:42 ` [PATCH v8 06/14] media: rkisp1: add ISP1 statistics driver Helen Koike
2019-08-08 9:37 ` Sakari Ailus
2019-07-30 18:42 ` [PATCH v8 07/14] media: rkisp1: add ISP1 params driver Helen Koike
2019-07-30 18:42 ` [PATCH v8 09/14] media: rkisp1: add rockchip isp1 core driver Helen Koike
2019-08-07 15:27 ` Sakari Ailus
2019-08-08 21:59 ` Helen Koike
2019-08-09 12:05 ` Sakari Ailus
2019-08-07 15:36 ` Sakari Ailus
2019-07-30 18:42 ` [PATCH v8 10/14] dt-bindings: Document the Rockchip ISP1 bindings Helen Koike
2019-08-16 0:21 ` Laurent Pinchart
2019-07-30 18:42 ` [PATCH v8 11/14] dt-bindings: Document the Rockchip MIPI RX D-PHY bindings Helen Koike
2019-08-15 18:14 ` Laurent Pinchart
2019-07-30 18:42 ` [PATCH v8 12/14] arm64: dts: rockchip: add isp0 node for rk3399 Helen Koike
2019-07-30 18:42 ` [PATCH v8 13/14] arm64: dts: rockchip: add rx0 mipi-phy " Helen Koike
2019-07-30 18:42 ` [PATCH v8 14/14] MAINTAINERS: add entry for Rockchip ISP1 driver Helen Koike
2019-08-15 13:56 ` Laurent Pinchart
2019-07-30 20:15 ` [PATCH v8 00/14] Rockchip ISP1 Driver Hans Verkuil
2019-07-30 20:50 ` Helen Koike
2019-07-31 0:08 ` Helen Koike
2019-07-31 4:29 ` Hans Verkuil
2019-07-31 4:33 ` Hans Verkuil
2019-07-31 4:55 ` Hans Verkuil
2019-07-31 14:42 ` Helen Koike
2019-08-07 15:37 ` Sakari Ailus
2019-08-07 17:57 ` Helen Koike
2019-08-09 18:45 ` Manivannan Sadhasivam
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190815193511.GB5011@pendragon.ideasonboard.com \
--to=laurent.pinchart@ideasonboard.com \
--cc=allon.huang@rock-chips.com \
--cc=cc@rock-chips.com \
--cc=devicetree@vger.kernel.org \
--cc=eddie.cai.linux@gmail.com \
--cc=ezequiel@collabora.com \
--cc=hans.verkuil@cisco.com \
--cc=heiko@sntech.de \
--cc=helen.koike@collabora.com \
--cc=hverkuil@xs4all.nl \
--cc=jacob2.chen@rock-chips.com \
--cc=jeffy.chen@rock-chips.com \
--cc=kernel@collabora.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=mchehab@kernel.org \
--cc=sakari.ailus@linux.intel.com \
--cc=tfiga@chromium.org \
--cc=zhengsq@rock-chips.com \
--cc=zyc@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).