linux-kernel - Re: [PATCH v2 0/6] media: Introduce Allwinner H3 deinterlace driver

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Date:   Mon, 30 Sep 2019 16:25:29 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     wens@...e.org, robh+dt@...nel.org, mark.rutland@....com,
        mchehab@...nel.org, hverkuil@...all.nl, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 0/6] media: Introduce Allwinner H3 deinterlace driver

Hi,

On Sun, Sep 29, 2019 at 06:16:47PM +0200, Jernej Skrabec wrote:
> Starting with H3, Allwinner began to include standalone deinterlace
> core in multimedia oriented SoCs. This patch series introduces support
> for it. Note that new SoCs, like H6, have radically different (updated)
> deinterlace core, which will need a new driver.
>
> v4l2-compliance report:
> v4l2-compliance SHA: dece02f862f38d8f866230ca9f1015cb93ddfac4, 32 bits
>
> Compliance test for sun8i-di device /dev/video0:
>
> Driver Info:
>         Driver name      : sun8i-di
>         Card type        : sun8i-di
>         Bus info         : platform:sun8i-di
>         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
>
> 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 (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 sun8i-di device /dev/video0: 44, Succeeded: 44, Failed: 0, Warnings: 0
>
> Please take a look.
>
> Best regards,
> Jernej
>
> Changes from v1:
> - updated Maxime's e-mail in DT binding
> - removed "items" for single item in DT binding
> - implemented power management
> - replaced regmap with direct io access
> - set exclusive clock rate
> - renamed DEINTERLACE_FRM_CTRL_COEF_CTRL to DEINTERLACE_FRM_CTRL_COEF_ACCESS
>
> Jernej Skrabec (6):
>   dt-bindings: bus: sunxi: Add H3 MBUS compatible
>   clk: sunxi-ng: h3: Export MBUS clock
>   ARM: dts: sunxi: h3/h5: Add MBUS controller node
>   dt-bindings: media: Add Allwinner H3 Deinterlace binding
>   media: sun4i: Add H3 deinterlace driver
>   dts: arm: sun8i: h3: Enable deinterlace unit

I'm fine with all the dt-bindings / dt patches, so you can add my
Acked-by on those.

Maxime

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