From: Dafna Hirschfeld <dafna3@gmail.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>,
Helen Koike <helen.koike@collabora.com>,
hans.verkuil@cisco.com, linux-rockchip@lists.infradead.org,
devicetree@vger.kernel.org, eddie.cai.linux@gmail.com,
mchehab@kernel.org, heiko@sntech.de, jacob2.chen@rock-chips.com,
jeffy.chen@rock-chips.com, zyc@rock-chips.com,
linux-kernel@vger.kernel.org, Tomasz Figa <tfiga@chromium.org>,
sakari.ailus@linux.intel.com, kernel@collabora.com,
Ezequiel Garcia <ezequiel@collabora.com>,
Linux Media Mailing List <linux-media@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org, zhengsq@rock-chips.com,
Jacob Chen <cc@rock-chips.com>,
Allon Huang <allon.huang@rock-chips.com>
Subject: Re: [PATCH v8 05/14] media: rkisp1: add Rockchip ISP1 subdev driver
Date: Wed, 25 Mar 2020 07:34:37 +0100 [thread overview]
Message-ID: <CAJ1myNREvdbfw5t7RCX1RtBZnarXy7O6_+Cg89w7njWutijNqQ@mail.gmail.com> (raw)
In-Reply-To: <20190815193511.GB5011@pendragon.ideasonboard.com>
On Thu, Aug 15, 2019 at 10:17 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> 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.
Hi,
Can you explain what pad flag do you mean?
Do you mean adding a flag in the 'MEDIA_LNK_FL_*' list ?
Also, some valid value should be set to 'fmt->format.code' so with
the flags solution
that you suggest it should stay MEDIA_BUS_FMT_FIXED ?
thanks,
Dafna
>
> > 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
next prev parent reply other threads:[~2020-03-25 6:34 UTC|newest]
Thread overview: 77+ 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
2020-03-25 6:34 ` Dafna Hirschfeld [this message]
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 08/14] media: rkisp1: add capture device 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
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