Re: [PATCH v9 0/8] Add StarFive Camera Subsystem driver

From: Jack Zhu
Date: Thu Sep 28 2023 - 04:12:42 EST

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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).
>
> Also, since this driver uses the media controller, you must run v4l2-compliance
> with the -m /dev/mediaX option. This will test the compliance of all devices
> reported by the media controller.
>
>>
>> Compliance test for stf camss device /dev/video1:
>>
>> Driver Info:
>> Driver name : stf camss
>
> The module is called starfive-camss, so shouldn't the driver name reported here
> be the same?
>
>> Card type : Starfive Camera Subsystem
>> Bus info : platform:19840000.camss
>> Driver version : 6.5.0
>> Capabilities : 0x84200001
>> Video Capture
>> Streaming
>> Extended Pix Format
>> Device Capabilities
>> Device Caps : 0x04200001
>> Video Capture
>> Streaming
>> Extended Pix Format
>> Media Driver Info:
>> Driver name : starfive-camss
>
> It's correct in the media controller information.
>
>> Model : Starfive Camera Subsystem
>> Serial :
>> Bus info : platform:19840000.camss
>> Media version : 6.5.0
>> Hardware revision: 0x00000000 (0)
>> Driver version : 6.5.0
>> Interface Info:
>> ID : 0x0300000a
>> Type : V4L Video
>> Entity Info:
>> ID : 0x00000008 (8)
>> Name : capture_yuv
>> Function : V4L2 I/O
>> Pad 0x01000009 : 0: Sink
>> Link 0x0200000c: from remote pad 0x1000003 of entity 'stf_isp' (Unknown Function (00004009)): Data, Enabled
>
> Hmm, this reports "Unknown Function". I bet that when you run v4l2-compliance
> with the -m option it will fail on this. If not, then that's likely a bug in
> the compliance test, please let me know if that's the case.
>

Hi Hans,

The following is the latest test log, which does not report a failure, but
also reports "Unknown Function".

I make the following settings in the stf-isp.c file:
v4l2_subdev.entity.function = MEDIA_ENT_F_PROC_VIDEO_ISP;

#
# v4l2-compliance -m /dev/media0
v4l2-compliance 1.25.0, 64 bits, 64-bit time_t

Compliance test for starfive-camss device /dev/media0:

Media Driver Info:
Driver name : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.camss
Media version : 6.5.0
Hardware revision: 0x00000000 (0)
Driver version : 6.5.0

Required ioctls:
test MEDIA_IOC_DEVICE_INFO: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/media0 open: OK
test MEDIA_IOC_DEVICE_INFO: OK
test for unlimited opens: OK

Media Controller ioctls:
test MEDIA_IOC_G_TOPOLOGY: OK
Entities: 5 Interfaces: 4 Pads: 10 Links: 8
test MEDIA_IOC_ENUM_ENTITIES/LINKS: OK
test MEDIA_IOC_SETUP_LINK: OK

Total for starfive-camss device /dev/media0: 8, Succeeded: 8, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for starfive-camss device /dev/video0:

Driver Info:
Driver name : starfive-camss
Card type : Starfive Camera Subsystem
Bus info : platform:19840000.camss
Driver version : 6.5.0
Capabilities : 0x84200001
Video Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.camss
Media version : 6.5.0
Hardware revision: 0x00000000 (0)
Driver version : 6.5.0
Interface Info:
ID : 0x03000006
Type : V4L Video
Entity Info:
ID : 0x00000004 (4)
Name : capture_raw
Function : V4L2 I/O
Pad 0x01000005 : 0: Sink
Link 0x02000016: from remote pad 0x1000010 of entity 'cdns_csi2rx.19800000.csi-bridge' (Video Interface Bridge): Data

Required ioctls:
test MC information (see 'Media Driver Info' above): OK
test VIDIOC_QUERYCAP: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/video0 open: OK
test VIDIOC_QUERYCAP: OK
test VIDIOC_G/S_PRIORITY: OK
test for unlimited opens: OK

Debug ioctls:
test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported)
test VIDIOC_QUERYCTRL: OK (Not Supported)
test VIDIOC_G/S_CTRL: OK (Not Supported)
test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported)
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported)
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 0 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
test VIDIOC_S_FMT: OK
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK (Not Supported)
test Composing: OK (Not Supported)
test Scaling: OK

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)

Total for starfive-camss device /dev/video0: 46, Succeeded: 46, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for starfive-camss device /dev/video1:

Driver Info:
Driver name : starfive-camss
Card type : Starfive Camera Subsystem
Bus info : platform:19840000.camss
Driver version : 6.5.0
Capabilities : 0x84200001
Video Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.camss
Media version : 6.5.0
Hardware revision: 0x00000000 (0)
Driver version : 6.5.0
Interface Info:
ID : 0x0300000a
Type : V4L Video
Entity Info:
ID : 0x00000008 (8)
Name : capture_yuv
Function : V4L2 I/O
Pad 0x01000009 : 0: Sink
Link 0x0200000c: from remote pad 0x1000003 of entity 'stf_isp' (Unknown Function (00004009)): Data, Enabled

Required ioctls:
test MC information (see 'Media Driver Info' above): OK
test VIDIOC_QUERYCAP: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/video1 open: OK
test VIDIOC_QUERYCAP: OK
test VIDIOC_G/S_PRIORITY: OK
test for unlimited opens: OK

Debug ioctls:
test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported)
test VIDIOC_QUERYCTRL: OK (Not Supported)
test VIDIOC_G/S_CTRL: OK (Not Supported)
test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported)
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported)
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 0 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
test VIDIOC_S_FMT: OK
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK (Not Supported)
test Composing: OK (Not Supported)
test Scaling: OK

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXstf_isp: ================= START STATUS =================
PBUF: OKtf_isp: ================== END STATUS ==================
m
test Requests: OK (Not Supported)

Total for starfive-camss device /dev/video1: 46, Succeeded: 46, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for starfive-camss device /dev/v4l-subdev0:

Driver Info:
Driver version : 6.5.0
Capabilities : 0x00000000
Media Driver Info:
Driver name : starfive-camss
Model : Starfive Camera Subsystem
Serial :
Bus info : platform:19840000.camss
Media version : 6.5.0
Hardware revision: 0x00000000 (0)
Driver version : 6.5.0
Interface Info:
ID : 0x0300001c
Type : V4L Sub-Device
Entity Info:
ID : 0x00000001 (1)
Name : stf_isp
Function : WARNING: Unknown Function (00004009), is v4l2-compliance out-of-date?
Pad 0x01000002 : 0: Sink
Link 0x02000014: from remote pad 0x1000010 of entity 'cdns_csi2rx.19800000.csi-bridge' (Video Interface Bridge): Data, Enabled
Pad 0x01000003 : 1: Source
Link 0x0200000c: to remote pad 0x1000009 of entity 'capture_yuv' (V4L2 I/O): Data, Enabled

Required ioctls:
test MC information (see 'Media Driver Info' above): OK
test VIDIOC_SUDBEV_QUERYCAP: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/v4l-subdev0 open: OK
test VIDIOC_SUBDEV_QUERYCAP: OK
test for unlimited opens: OK

Debug ioctls:
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Sub-Device ioctls (Sink Pad 0):
Try Stream 0
test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Try VIDIOC_SUBDEV_G/S_FMT: OK
test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
Active Stream 0
test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Active VIDIOC_SUBDEV_G/S_FMT: OK
test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
test VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)

Sub-Device ioctls (Source Pad 1):
Try Stream 0
test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Try VIDIOC_SUBDEV_G/S_FMT: OK
test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
Active Stream 0
test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Active VIDIOC_SUBDEV_G/S_FMT: OK
test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
test VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported)
test VIDIOC_QUERYCTRL: OK (Not Supported)
test VIDIOC_G/S_CTRL: OK (Not Supported)
test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported)
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEimx219 6-0010: ================= START STATUS =================
VENT: OKmx219 6-0010: ================== END STATUS ==================
m (Not Supported)
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 0 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK (Not Supported)
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK (Not Supported)
test VIDIOC_TRY_FMT: OK (Not Supported)
test VIDIOC_S_FMT: OK (Not Supported)
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK (Not Supported)
test Composing: OK (Not Supported)
test Scaling: OK (Not Supported)

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK (Not Supported)
test VIDIOC_EXPBUF: OK (Not Supported)
test Requests: OK (Not Supported)

Total for starfive-camss device /dev/v4l-subdev0: 58, Succeeded: 58, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for device /dev/v4l-subdev1:

Driver Info:
Driver version : 6.5.0
Capabilities : 0x00000000

Required ioctls:
test VIDIOC_SUDBEV_QUERYCAP: OK
test invalid ioctls: OK

Allow for multiple opens:
test second /dev/v4l-subdev1 open: OK
test VIDIOC_SUBDEV_QUERYCAP: OK
test for unlimited opens: OK

Debug ioctls:
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
test VIDIOC_QUERYCTRL: OK
test VIDIOC_G/S_CTRL: OK
test VIDIOC_G/S/TRY_EXT_CTRLS: OK
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 20 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK (Not Supported)
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK (Not Supported)
test VIDIOC_TRY_FMT: OK (Not Supported)
test VIDIOC_S_FMT: OK (Not Supported)
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK (Not Supported)
test Composing: OK (Not Supported)
test Scaling: OK (Not Supported)

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK (Not Supported)
test VIDIOC_EXPBUF: OK (Not Supported)
test Requests: OK (Not Supported)

Total for device /dev/v4l-subdev1: 43, Succeeded: 43, Failed: 0, Warnings: 0

Grand Total for starfive-camss device /dev/media0: 201, Succeeded: 201, Failed: 0, Warnings: 0
#

--
Regards,

Jack Zhu

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