Re: [PATCH v9] media: imx: add csc/scaler mem2mem device

[Philipp Zabel <p.zabel@pengutronix.de>]

On Wed, 2019-08-14 at 14:24 +0200, Philipp Zabel wrote:
> Add a single imx-media mem2mem video device that uses the IPU IC PP
> (image converter post processing) task for scaling and colorspace
> conversion.
> On i.MX6Q/DL SoCs with two IPUs currently only the first IPU is used.
[...]

Output of 'v4l2-compliance -d 10 -e 10 -s -P', with the ipu-v3 fixes at
[1] applied. 'v4l2-compliance -f' works for most format combinations,
but fails with CMA trying to allocate physically contiguous 4096x4096
32-bit RGB buffers on both queues, on my test system:

[1] https://patchwork.kernel.org/series/159687/mbox

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v4l2-compliance SHA: 8d411705aa29f3ad77a4d48797b7ad07bfcce471, 32 bits

Compliance test for imx-media-csc-s device /dev/video10:

Driver Info:
	Driver name      : imx-media-csc-s
	Card type        : imx-media-csc-scaler
	Bus info         : platform:imx-media-csc-scaler
	Driver version   : 5.3.0
	Capabilities     : 0x84208000
		Video Memory-to-Memory
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04208000
		Video Memory-to-Memory
		Streaming
		Extended Pix Format
Media Driver Info:
	Driver name      : imx-media
	Model            : imx-media
	Serial           : 
	Bus info         : 
	Media version    : 5.3.0
	Hardware revision: 0x00000000 (0)
	Driver version   : 5.3.0

Required ioctls:
	test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
	test second /dev/video10 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
	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: 4 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
	test Composing: OK
	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)

Test input 0:

Streaming ioctls:
	test read/write: OK (Not Supported)
	test blocking wait: OK
	Video Capture: Captured 58 buffers
	test MMAP (no poll): OK
	Video Capture: Captured 58 buffers
	test MMAP (select): OK
	Video Capture: Captured 58 buffers
	test MMAP (epoll): OK
	test USERPTR (no poll): OK (Not Supported)
	test USERPTR (select): OK (Not Supported)
	Video Capture: Captured 58 buffers
	test DMABUF (no poll): OK
	Video Capture: Captured 58 buffers
	test DMABUF (select): OK

Total for imx-media-csc-s device /dev/video10: 53, Succeeded: 53, Failed: 0, Warnings: 0
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regards
Philipp