Re: [PATCH v10 0/5] media: atmel: atmel-isc: implement media controller

From: Eugen.Hristev
Date: Wed Jun 22 2022 - 08:25:42 EST

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In reply to: Hans Verkuil: "Re: [PATCH v10 0/5] media: atmel: atmel-isc: implement media controller"
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On 6/22/22 2:53 PM, Hans Verkuil wrote:
> Hi Eugen,
>
> On 03/05/2022 11:51, Eugen Hristev wrote:
>> This series is a split from the series :
>> [PATCH v9 00/13] media: atmel: atmel-isc: implement media controller
>> and it includes the media controller part.
>> previous fixes were sent on a different patch series.
>>
>> As discussed on the ML, moving forward with having the media link validate at
>> start/stop streaming call.
>> I will test the patch :
>> [RFC PATCHv2] vb2: add support for (un)prepare_streaming queue ops
>> afterwards, but that patch requires moving my logic to the new vb2 callbacks.
>
> I'm looking at merging this series, but I would like to have the output of
> 'v4l2-compliance -m /dev/mediaX' to verify that the MC links etc. is all
> correct.

Hello Hans,

Please have a look at attached file . Unless you want me to add the
whole output to the e-mail ?

I also added output of media-ctl -p for your convenience.
the subdev2 is a device and driver that is not upstream and has some
compliance issues, they are reported by the v4l2-compliance tool, but
they should not affect this series, it's a synopsys driver that was
rejected on mainline a few years ago, I took it for internal usage, but
it's not cleaned up nor worked a lot upon.

>
> And one more question which may have been answered already in the past:
>
> Changing to the MC will break existing applications, doesn't it? Or did I
> miss something?
>

The existing applications will have to configure the pipeline now. It
will no longer work by configuring just the top video node /dev/video0 .
They would have to use media-ctl for it, something similar with this set
of commands:

media-ctl -d /dev/media0 --set-v4l2 '"imx219
1-0010":0[fmt:SRGGB10_1X10/1920x1080]'
media-ctl -d /dev/media0 --set-v4l2
'"dw-csi.0":0[fmt:SRGGB10_1X10/1920x1080]'
media-ctl -d /dev/media0 --set-v4l2 '"csi2dc":0[fmt:SRGGB10_1X10/1920x1080]'
media-ctl -d /dev/media0 --set-v4l2
'"atmel_isc_scaler":0[fmt:SRGGB10_1X10/1920x1080]'

Thank you for taking care of this !

Eugen

> Regards,
>
> Hans
>
>>
>> Full series history:
>>
>> Changes in v10:
>> -> split the series into this first fixes part.
>> -> moved IO_MC addition from first patch to the second patch on the driver changes
>> -> edited commit messages
>> -> DT nodes now disabled by default.
>>
>> Changes in v9:
>> -> kernel robot reported isc_link_validate is not static, changed to static.
>>
>> Changes in v8:
>> -> scaler: modified crop bounds to have the exact source size
>>
>> Changes in v7:
>> -> scaler: modified crop bounds to have maximum isc size
>> -> format propagation: did small changes as per Jacopo review
>>
>>
>> Changes in v6:
>> -> worked a bit on scaler, added try crop and other changes as per Jacopo review
>> -> worked on isc-base enum_fmt , reworked as per Jacopo review
>>
>> Changes in v5:
>> -> removed patch that removed the 'stop' variable as it was still required
>> -> added two new trivial patches
>> -> reworked some parts of the scaler and format propagation after discussions with Jacopo
>>
>>
>> Changes in v4:
>> -> as reviewed by Hans, added new patch to remove the 'stop' variable and reworked
>> one patch that was using it
>> -> as reviewed by Jacopo, reworked some parts of the media controller implementation
>>
>>
>> Changes in v3:
>> - change in bindings, small fixes in csi2dc driver and conversion to mc
>> for the isc-base.
>> - removed some MAINTAINERS patches and used patterns in MAINTAINERS
>>
>> Changes in v2:
>> - integrated many changes suggested by Jacopo in the review of the v1 series.
>> - add a few new patches
>>
>> Eugen Hristev (5):
>> media: atmel: atmel-isc: prepare for media controller support
>> media: atmel: atmel-isc: implement media controller
>> ARM: dts: at91: sama7g5: add nodes for video capture
>> ARM: configs: at91: sama7: add xisc and csi2dc
>> ARM: multi_v7_defconfig: add atmel video pipeline modules
>>
>> arch/arm/boot/dts/sama7g5.dtsi | 51 ++
>> arch/arm/configs/multi_v7_defconfig | 3 +
>> arch/arm/configs/sama7_defconfig | 2 +
>> drivers/media/platform/atmel/Makefile | 2 +-
>> drivers/media/platform/atmel/atmel-isc-base.c | 485 +++++++++---------
>> .../media/platform/atmel/atmel-isc-scaler.c | 267 ++++++++++
>> drivers/media/platform/atmel/atmel-isc.h | 50 +-
>> .../media/platform/atmel/atmel-sama5d2-isc.c | 34 +-
>> .../media/platform/atmel/atmel-sama7g5-isc.c | 32 +-
>> 9 files changed, 685 insertions(+), 241 deletions(-)
>> create mode 100644 drivers/media/platform/atmel/atmel-isc-scaler.c
>>
>

# media-ctl -p
Media controller API version 5.15.32

Media device information
------------------------
driver atmel_isc_commo
model microchip,sama7g5-isc
serial
bus info platform:microchip-sama7g5-xisc
hw revision 0x220
driver version 5.15.32

Device topology
- entity 1: atmel_isc_scaler (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev0
pad0: Sink
[fmt:SBGGR8_1X8/3264x2464 field:none colorspace:srgb
crop.bounds:(0,0)/3264x2464
crop:(0,0)/3264x2464]
<- "csi2dc":1 [ENABLED,IMMUTABLE]
pad1: Source
[fmt:SBGGR8_1X8/3264x2464 field:none colorspace:srgb]
-> "atmel_isc_common":0 [ENABLED,IMMUTABLE]

- entity 4: csi2dc (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev1
pad0: Sink
[fmt:SRGGB8_1X8/640x480 field:none colorspace:srgb]
<- "dw-csi.0":1 [ENABLED]
pad1: Source
[fmt:SRGGB8_1X8/640x480 field:none colorspace:srgb]
-> "atmel_isc_scaler":0 [ENABLED,IMMUTABLE]

- entity 7: dw-csi.0 (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev2
pad0: Sink
[fmt:SBGGR8_1X8/0x0]
<- "imx219 1-0010":0 [ENABLED]
pad1: Source
[fmt:SBGGR8_1X8/0x0]
-> "csi2dc":0 [ENABLED]

- entity 12: imx219 1-0010 (1 pad, 1 link)
type V4L2 subdev subtype Sensor flags 0
device node name /dev/v4l-subdev3
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]
-> "dw-csi.0":0 [ENABLED]

- entity 24: atmel_isc_common (1 pad, 1 link)
type Node subtype V4L flags 1
device node name /dev/video0
pad0: Sink
<- "atmel_isc_scaler":1 [ENABLED,IMMUTABLE]

v4l2-compliance 1.22.1, 32 bits, 32-bit time_t

Compliance test for atmel_isc_commo device /dev/media0:

Media Driver Info:
Driver name : atmel_isc_commo
Model : microchip,sama7g5-isc
Serial :
Bus info : platform:microchip-sama7g5-xisc
Media version : 5.15.32
Hardware revision: 0x00000220 (544)
Driver version : 5.15.32

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: 5 Pads: 8 Links: 9
test MEDIA_IOC_ENUM_ENTITIES/LINKS: OK
test MEDIA_IOC_SETUP_LINK: OK

Total for atmel_isc_commo device /dev/media0: 8, Succeeded: 8, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for atmel_isc_commo device /dev/v4l-subdev0:

Driver Info:
Driver version : 5.15.32
Capabilities : 0x00000000
Media Driver Info:
Driver name : atmel_isc_commo
Model : microchip,sama7g5-isc
Serial :
Bus info : platform:microchip-sama7g5-xisc
Media version : 5.15.32
Hardware revision: 0x00000220 (544)
Driver version : 5.15.32
Interface Info:
ID : 0x03000010
Type : V4L Sub-Device
Entity Info:
ID : 0x00000001 (1)
Name : atmel_isc_scaler
Function : Video Scaler
Pad 0x01000002 : 0: Sink
Link 0x0200001c: from remote pad 0x1000006 of entity 'csi2dc' (Video Interface Bridge): Data, Enabled, Immutable
Pad 0x01000003 : 1: Source
Link 0x0200001e: to remote pad 0x1000019 of entity 'atmel_isc_common' (V4L2 I/O): Data, Enabled, Immutable

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):
test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Try VIDIOC_SUBDEV_G/S_FMT: OK
warn: v4l2-test-subdevs.cpp(507): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK
test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
test Active VIDIOC_SUBDEV_G/S_FMT: OK
warn: v4l2-test-subdevs.cpp(507): VIDIOC_SUBDEV_G_SELECTION is supported for target 0 but not VIDIOC_SUBDEV_S_SELECTION
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):
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 (Not Supported)
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 (Not Supported)
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/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 (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)
test TIME32/64: OK

Total for atmel_isc_commo device /dev/v4l-subdev0: 59, Succeeded: 59, Failed: 0, Warnings: 2
--------------------------------------------------------------------------------
Compliance test for device /dev/v4l-subdev1:

Driver Info:
Driver version : 5.15.32
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 (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 (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)
test TIME32/64: OK

Total for device /dev/v4l-subdev1: 44, Succeeded: 44, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for atmel_isc_commo device /dev/v4l-subdev2:

Driver Info:
Driver version : 5.15.32
Capabilities : 0x00000000
Media Driver Info:
Driver name : atmel_isc_commo
Model : microchip,sama7g5-isc
Serial :
Bus info : platform:microchip-sama7g5-xisc
Media version : 5.15.32
Hardware revision: 0x00000220 (544)
Driver version : 5.15.32
Interface Info:
ID : 0x03000014
Type : V4L Sub-Device
Entity Info:
ID : 0x00000007 (7)
Name : dw-csi.0
Function : Video Interface Bridge
Pad 0x01000008 : 0: Sink
Link 0x0200000e: from remote pad 0x100000d of entity 'imx219 1-0010' (Camera Sensor): Data, Enabled
Pad 0x01000009 : 1: Source
Link 0x0200000a: to remote pad 0x1000005 of entity 'csi2dc' (Video Interface Bridge): 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-subdev2 open: OK
test VIDIOC_SUBDEV_QUERYCAP: OK
test for unlimited opens: OK

Debug ioctls:
test VIDIOC_LOG_STATUS: OK

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):
test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
fail: v4l2-test-subdevs.cpp(324): fmt.width == 0 || fmt.width > 65536
fail: v4l2-test-subdevs.cpp(369): checkMBusFrameFmt(node, fmt.format)
test Try VIDIOC_SUBDEV_G/S_FMT: FAIL
test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
fail: v4l2-test-subdevs.cpp(324): fmt.width == 0 || fmt.width > 65536
fail: v4l2-test-subdevs.cpp(369): checkMBusFrameFmt(node, fmt.format)
test Active VIDIOC_SUBDEV_G/S_FMT: FAIL
test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
test VIDIOC_SUBDEV_G/S_FRAME_INTERVAL: OK (Not Supported)

Sub-Device ioctls (Source Pad 1):
test Try VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
fail: v4l2-test-subdevs.cpp(324): fmt.width == 0 || fmt.width > 65536
fail: v4l2-test-subdevs.cpp(369): checkMBusFrameFmt(node, fmt.format)
test Try VIDIOC_SUBDEV_G/S_FMT: FAIL
test Try VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
test Active VIDIOC_SUBDEV_ENUM_MBUS_CODE/FRAME_SIZE/FRAME_INTERVAL: OK
fail: v4l2-test-subdevs.cpp(324): fmt.width == 0 || fmt.width > 65536
fail: v4l2-test-subdevs.cpp(369): checkMBusFrameFmt(node, fmt.format)
test Active VIDIOC_SUBDEV_G/S_FMT: FAIL
test Active VIDIOC_SUBDEV_G/S_SELECTION/CROP: OK (Not Supported)
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/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 (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)
test TIME32/64: OK

Total for atmel_isc_commo device /dev/v4l-subdev2: 59, Succeeded: 55, Failed: 4, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for device /dev/v4l-subdev3:

Driver Info:
Driver version : 5.15.32
Capabilities : 0x00000000

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

Allow for multiple opens:
test second /dev/v4l-subdev3 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: 17 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)
test TIME32/64: OK

Total for device /dev/v4l-subdev3: 44, Succeeded: 44, Failed: 0, Warnings: 0
--------------------------------------------------------------------------------
Compliance test for microchip-isc device /dev/video0:

Driver Info:
Driver name : microchip-isc
Card type : Atmel Image Sensor Controller
Bus info : platform:microchip-sama7g5-xisc
Driver version : 5.15.32
Capabilities : 0xa4200001
Video Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x24200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : atmel_isc_commo
Model : microchip,sama7g5-isc
Serial :
Bus info : platform:microchip-sama7g5-xisc
Media version : 5.15.32
Hardware revision: 0x00000220 (544)
Driver version : 5.15.32
Interface Info:
ID : 0x0300001a
Type : V4L Video
Entity Info:
ID : 0x00000018 (24)
Name : atmel_isc_common
Function : V4L2 I/O
Flags : default
Pad 0x01000019 : 0: Sink
Link 0x0200001e: from remote pad 0x1000003 of entity 'atmel_isc_scaler' (Video Scaler): Data, Enabled, Immutable

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

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
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 1 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 (Input 0):
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: 6 Private Controls: 8

Format ioctls (Input 0):
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 (Input 0):
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 (Input 0):
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)
test TIME32/64: OK

Total for microchip-isc device /dev/video0: 47, Succeeded: 47, Failed: 0, Warnings: 0

Grand Total for atmel_isc_commo device /dev/media0: 261, Succeeded: 257, Failed: 4, Warnings: 2

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