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Date: Wed, 24 Feb 2016 16:23:43 +0800
From: tiffany lin <tiffany.lin@...iatek.com>
To: Hans Verkuil <hverkuil@...all.nl>
CC: Hans Verkuil <hans.verkuil@...co.com>,
<daniel.thompson@...aro.org>, "Rob Herring" <robh+dt@...nel.org>,
Mauro Carvalho Chehab <mchehab@....samsung.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Daniel Kurtz <djkurtz@...omium.org>,
Pawel Osciak <posciak@...omium.org>,
Eddie Huang <eddie.huang@...iatek.com>,
Yingjoe Chen <yingjoe.chen@...iatek.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-media@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <PoChun.Lin@...iatek.com>
Subject: Re: [PATCH v5 0/8] Add MT8173 Video Encoder Driver and VPU Driver
Hi Hans,
On Tue, 2016-02-23 at 09:47 +0100, Hans Verkuil wrote:
> On 02/23/16 09:11, Tiffany Lin wrote:
> > ==============
> > Introduction
> > ==============
> >
> > The purpose of this series is to add the driver for video codec hw embedded in the Mediatek's MT8173 SoCs.
> > Mediatek Video Codec is able to handle video encoding of in a range of formats.
> >
> > This patch series also include VPU driver. Mediatek Video Codec driver rely on VPU driver to load,
> > communicate with VPU.
> >
> > Internally the driver uses videobuf2 framework and MTK IOMMU and MTK SMI.
> > MTK IOMMU[1] and MTK SMI[2] have not yet been merged, but we wanted to start discussion about the driver
> > earlier so it could be merged sooner.
> >
> > [1]https://patchwork.kernel.org/patch/8335461/
> > [2]https://patchwork.kernel.org/patch/7596181/
>
> <snip>
>
> > v4l2-compliance test output:
> > localhost ~ # /usr/bin/v4l2-compliance -d /dev/video1
> > Driver Info:
> > Driver name : mtk-vcodec-enc
> > Card type : platform:mt8173
> > Bus info : platform:mt8173
> > Driver version: 4.4.0
> > 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
> >
> > Compliance test for device /dev/video1 (not using libv4l2):
> >
> > Required ioctls:
> > test VIDIOC_QUERYCAP: OK
> >
> > Allow for multiple opens:
> > test second video open: OK
> > test VIDIOC_QUERYCAP: OK
> > test VIDIOC_G/S_PRIORITY: 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_QUERYCTRL/MENU: 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: 12 Private Controls: 0
> >
> > Format ioctls:
> > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > test VIDIOC_G/S_PARM: OK
> > 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)
> >
> > 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
> >
> > Total: 38, Succeeded: 38, Failed: 0, Warnings: 0
>
> Nice!
>
> Can you try 'v4l2-compliance -s'? Note that this may not work since I know
> that v4l2-compliance doesn't work all that well with codecs, but I am
> curious what the output is when you try streaming.
>
> Don't bother trying to chase down reported failures, those are likely from
> v4l2-compliance itself. It is something I would like to improve, but -ENOTIME.
>
When I try to run 'v4l2-compliance -d /dev/video1 -s, I got follow
output.
I use v4.4-rc5 kernel and v4l-utils 1.6 version.
Streaming ioctls:
test read/write: OK (Not Supported)
fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(332): buf.querybuf(node, i) fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(868): testQueryBuf(node, cur_fmt.type, q.g_buffers())
test MMAP: FAIL
fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(923): ret && ret != ENOTTY
fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(988): setupUserPtr(node, q)
test USERPTR: FAIL
test DMABUF: Cannot test, specify --expbuf-device
best regards,
Tiffany
> Regards,
>
> Hans
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