On 18/09/2023 11:30, Jack Zhu wrote:
> Hi Hans，
>
> Thanks for your comment.
>
> On 2023/9/15 17:26, Hans Verkuil wrote:
>> On 14/09/2023 05:15, Jack Zhu wrote:
>>> Hi,
>>>
>>> This series is the v9 series that attempts to support the Camera Subsystem
>>> found on StarFive JH7110 SoC.
>>>
>>> This series is based on top of the master branch of media_stage repository.
>>>
>>> The following are the media graph for the device and the v4l2-compliance
>>> output.
>>>
>>> ===========================================================================
>>> [the media graph]:
>>>
>>> digraph board {
>>> rankdir=TB
>>> n00000001 [label="{{<port0> 0} | stf_isp\n/dev/v4l-subdev0 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
>>> n00000001:port1 -> n00000008 [style=dashed]
>>> n00000004 [label="capture_raw\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
>>> n00000008 [label="capture_yuv\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
>>> n0000000e [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
>>> n0000000e:port1 -> n00000001:port0 [style=dashed]
>>> n0000000e:port1 -> n00000004 [style=dashed]
>>> n00000018 [label="{{} | imx219 6-0010\n/dev/v4l-subdev1 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
>>> n00000018:port0 -> n0000000e:port0 [style=bold]
>>> }
>>>
>>> [the device topology]:
>>>
>>> Media controller API version 6.5.0
>>>
>>> Media device information
>>> ------------------------
>>> driver starfive-camss
>>> model Starfive Camera Subsystem
>>> serial
>>> bus info platform:19840000.camss
>>> hw revision 0x0
>>> driver version 6.5.0
>>>
>>> Device topology
>>> - entity 1: stf_isp (2 pads, 2 links)
>>> type V4L2 subdev subtype Unknown flags 0
>>> device node name /dev/v4l-subdev0
>>> pad0: Sink
>>> [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb
>>> crop.bounds:(0,0)/1920x1080
>>> crop:(0,0)/1920x1080]
>>> <- "cdns_csi2rx.19800000.csi-bridge":1 []
>>> pad1: Source
>>> [fmt:YUYV8_1_5X8/1920x1080 field:none colorspace:srgb
>>> crop.bounds:(0,0)/1920x1080
>>> crop:(0,0)/1920x1080]
>>> -> "capture_yuv":0 []
>>>
>>> - entity 4: capture_raw (1 pad, 1 link)
>>> type Node subtype V4L flags 0
>>> device node name /dev/video0
>>> pad0: Sink
>>> <- "cdns_csi2rx.19800000.csi-bridge":1 []
>>>
>>> - entity 8: capture_yuv (1 pad, 1 link)
>>> type Node subtype V4L flags 0
>>> device node name /dev/video1
>>> pad0: Sink
>>> <- "stf_isp":1 []
>>>
>>> - entity 14: cdns_csi2rx.19800000.csi-bridge (5 pads, 3 links)
>>> type V4L2 subdev subtype Unknown flags 0
>>> pad0: Sink
>>> <- "imx219 6-0010":0 [ENABLED,IMMUTABLE]
>>> pad1: Source
>>> -> "stf_isp":0 []
>>> -> "capture_raw":0 []
>>> pad2: Source
>>> pad3: Source
>>> pad4: Source
>>>
>>> - entity 24: imx219 6-0010 (1 pad, 1 link)
>>> type V4L2 subdev subtype Sensor flags 0
>>> device node name /dev/v4l-subdev1
>>> pad0: Source
>>> [fmt:SRGGB10_1X10/3280x2464 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range
>>> crop.bounds:(8,8)/3280x2464
>>> crop:(8,8)/3280x2464]
>>> -> "cdns_csi2rx.19800000.csi-bridge":0 [ENABLED,IMMUTABLE]
>>>
>>> ===========================================================================
>>> [the v4l2-compliance output]:
>>>
>>> v4l2-compliance 1.24.1, 64 bits, 64-bit time_t
>>
>> This v4l2-compliance version is from a distro. For driver acceptance you
>> must test with a v4l2-compliance compiled from the git repo (git://linuxtv.org/v4l-utils.git).
>>
>
> It is compiled from buildroot, but its source code is also downloaded from the repo tag v4l-utils-1.24.1.
> Do you mean I should use the latest stable version (stable-1.24) on the repo?
>
No, you want the latest version, period. So just the master branch of the v4l-utils git repo.
For the compliance tests you want the latest and greatest, since the stable tags are often
fairly old.
Regards,
Hans
