Re: [PATCH v2 00/23] media: ov5640: Rework the clock tree programming for MIPI

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Hi Eugen

        thanks very much for testing

On Fri, Feb 11, 2022 at 10:09:04AM +0000, Eugen.Hristev@xxxxxxxxxxxxx wrote:
> On 2/10/22 1:04 PM, Jacopo Mondi wrote:
>
> Hello Jacopo,
>
> > v1:
> > https://patchwork.linuxtv.org/project/linux-media/list/?series=7249
> >
> > A branch for testing based on the most recent media-master is available at
> > https://git.sr.ht/~jmondi_/linux #jmondi/media-master/ov5640-v2
> >
> > If anyone with a DVP setup could verify I have not broken their use case
> > I would very much appreciate that :)
>
> I started testing this on my bench.
> So far things look good.
>

\o/

> To be able to test this, I have to revert this patch :
> "media: i2c: ov5640: Remain in power down for DVP mode unless streaming"
>
> Otherwise the sensor will not power up when starting streaming.
>
>
> I have tested several formats, as you worked more on this sensor, could
> you tell me, does format YUYV_2x8 work in parallel mode at 1920x1080 or
> 1024x768 ?

I never tested the sensor driver with a parallel setup I'm afraid.
The idea behind this series is that DVP shouldn't be affected and
continue working like it did.

> I managed to get it working fine at 640x480 .
>
> The sensor looks to report valid framesizes for this mbus code :
>
> # v4l2-ctl -d /dev/v4l-subdev1 --list-subdev-mbus-codes
> \ioctl: VIDIOC_SUBDEV_ENUM_MBUS_CODE (pad=0)
>          0x4001: MEDIA_BUS_FMT_JPEG_1X8
>          0x2006: MEDIA_BUS_FMT_UYVY8_2X8
>          0x200f: MEDIA_BUS_FMT_UYVY8_1X16
>          0x2008: MEDIA_BUS_FMT_YUYV8_2X8
>          0x2011: MEDIA_BUS_FMT_YUYV8_1X16
>          0x1008: MEDIA_BUS_FMT_RGB565_2X8_LE
>          0x1007: MEDIA_BUS_FMT_RGB565_2X8_BE
>          0x1017: MEDIA_BUS_FMT_RGB565_1X16
>          0x100a: MEDIA_BUS_FMT_RGB888_1X24
>          0x1013: MEDIA_BUS_FMT_BGR888_1X24
>          0x3001: MEDIA_BUS_FMT_SBGGR8_1X8
>          0x3013: MEDIA_BUS_FMT_SGBRG8_1X8
>          0x3002: MEDIA_BUS_FMT_SGRBG8_1X8
>          0x3014: MEDIA_BUS_FMT_SRGGB8_1X8
> # v4l2-ctl -d /dev/v4l-subdev1 --list-subdev-framesizes pad=0,code=0x2008
> ioctl: VIDIOC_SUBDEV_ENUM_FRAME_SIZE (pad=0)
>          Size Range: 160x120 - 160x120
>          Size Range: 176x144 - 176x144
>          Size Range: 320x240 - 320x240
>          Size Range: 640x480 - 640x480
>          Size Range: 720x480 - 720x480
>          Size Range: 720x576 - 720x576
>          Size Range: 1024x768 - 1024x768
>          Size Range: 1280x720 - 1280x720
>          Size Range: 1920x1080 - 1920x1080
>          Size Range: 2592x1944 - 2592x1944
> #
>
> but the ISC does not receive any frames at 1024x768 and 1920x1080.

Are 1080p and 1024x768 working without this series applied on your
setup ?

Thanks again for testin!

>
>
> What I can say is that the raw bayer format works at 1920x1080 , frames
> are received correctly.
>
> Thanks,
> Eugen
>
> >
> > v1 -> v2:
> > - rework the modes definition to process the full pixel array
> > - rework get_selection to report the correct BOUND and DEFAULT targets
> > - implement init_cfg
> > - minor style changes as suggested by Laurent
> > - test with 1 data lane
> >
> > Thanks
> >     j
> >
> > Jacopo Mondi (23):
> >    media: ov5640: Add pixel rate to modes
> >    media: ov5604: Re-arrange modes definition
> >    media: ov5640: Add ov5640_is_csi2() function
> >    media: ov5640: Associate bpp with formats
> >    media: ov5640: Add LINK_FREQ control
> >    media: ov5640: Update pixel_rate and link_freq
> >    media: ov5640: Rework CSI-2 clock tree
> >    media: ov5640: Rework timings programming
> >    media: ov5640: Fix 720x480 in RGB888 mode
> >    media: ov5640: Rework analog crop rectangles
> >    media: ov5640: Re-sort per-mode register tables
> >    media: ov5640: Remove ov5640_mode_init_data
> >    media: ov5640: Add HBLANK control
> >    media: ov5640: Add VBLANK control
> >    media: ov5640: Fix durations to comply with FPS
> >    media: ov5640: Implement init_cfg
> >    media: ov5640: Implement get_selection
> >    media: ov5640: Limit frame_interval to DVP mode only
> >    media: ov5640: Register device properties
> >    media: ov5640: Add RGB565_1X16 format
> >    media: ov5640: Add RGB888/BGR888 formats
> >    media: ov5640: Restrict sizes to mbus code
> >    media: ov5640: Adjust format to bpp in s_fmt
> >
> >   drivers/media/i2c/ov5640.c | 1143 ++++++++++++++++++++++++++----------
> >   1 file changed, 830 insertions(+), 313 deletions(-)
> >
> > --
> > 2.35.0
> >
>



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