Re: [PATCH v2 0/6] Add Rockchip VPU JPEG encoder

[Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>]

On Thu, 2018-08-02 at 17:00 -0300, Ezequiel Garcia wrote:
> This series adds support for JPEG encoding via the VPU block
> present in Rockchip platforms. Currently, support for RK3288
> and RK3399 is included.
> 
> The hardware produces a Raw JPEG format (i.e. works as a
> JPEG accelerator). It requires quantization tables provided
> by the application, and uses standard huffman tables,
> as recommended by the JPEG specification.
> 
> In order to support this, the series introduces a new pixel format,
> and a new pair of controls, V4L2_CID_JPEG_{LUMA,CHROMA}_QUANTIZATION
> allowing userspace to specify the quantization tables.
> 
> Userspace is then responsible to add the required headers
> and tables to the produced raw payload, to produce a JPEG image.
> 
> Compliance
> ==========
> 
> There is an outstanding compliance issue, related to a blocking
> dqbuf, but I cannot see where is the issue, nor if the issue is
> in the core or in the driver.
> 
> # v4l2-compliance -d 0 -s 
> v4l2-compliance SHA: 81ea4a243b63d7bb1fec580910c553af4ae072c1, 64 bits
> 
> Compliance test for device /dev/video0:
> 
> Driver Info:
> 	Driver name      : rockchip-vpu
> 	Card type        : rockchip-vpu
> 	Bus info         : platform: rockchip-vpu
> 	Driver version   : 4.18.0
> 	Capabilities     : 0x84204000
> 		Video Memory-to-Memory Multiplanar
> 		Streaming
> 		Extended Pix Format
> 		Device Capabilities
> 	Device Caps      : 0x04204000
> 		Video Memory-to-Memory Multiplanar
> 		Streaming
> 		Extended Pix Format
> 
> Required ioctls:
> 	test VIDIOC_QUERYCAP: 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
> 	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: 2 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 input 0:
> 
> Streaming ioctls:
> 	test read/write: OK (Not Supported)
> 		fail: v4l2-test-buffers.cpp(1225): pid != pid_streamoff
> 		fail: v4l2-test-buffers.cpp(1258): testBlockingDQBuf(node, q)
> 	test blocking wait: FAIL
> 

Hans,

Any thoughts on where is this failure coming from and how to fix it?

Thanks!
Eze