linux-kernel - Re: [PATCH v3 0/9] Add MT8173 Video Decoder Driver

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Message-ID: <CAOMLVLgsB8mGdTZdn7dNQATFodqFPqmPH_yCn2+PKMYD2B+kYw@mail.gmail.com>
Date:	Fri, 1 Jul 2016 18:47:40 +0800
From:	Wu-Cheng Li (李務誠) 
	<wuchengli@...omium.org>
To:	Hans Verkuil <hverkuil@...all.nl>,
	Andrew-CT Chen <Andrew-CT.Chen@...iatek.com>
Cc:	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	tiffany lin <tiffany.lin@...iatek.com>,
	Hans Verkuil <hansverk@...co.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Daniel Thompson <daniel.thompson@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	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,
	Lin PoChun <PoChun.Lin@...iatek.com>
Subject: Re: [PATCH v3 0/9] Add MT8173 Video Decoder Driver

+Andrew. Last I heard the license was ready and Andrew was preparing
the VPU firmware. Andrew. Is the firmware ready to submit?

On Fri, Jul 1, 2016 at 6:11 PM, Hans Verkuil <hverkuil@...all.nl> wrote:
> On 06/16/2016 12:54 PM, Mauro Carvalho Chehab wrote:
>> Em Tue, 14 Jun 2016 19:08:08 +0800
>> tiffany lin <tiffany.lin@...iatek.com> escreveu:
>>
>>> Hi Mauro,
>>>
>>>
>>> On Wed, 2016-06-08 at 07:13 +0900, Hans Verkuil wrote:
>>>>
>>>> On 06/07/2016 11:22 PM, Mauro Carvalho Chehab wrote:
>>>>> Em Mon, 30 May 2016 20:29:14 +0800
>>>>> Tiffany Lin <tiffany.lin@...iatek.com> escreveu:
>>>>>
>>>>>> ==============
>>>>>>   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 decoding of in a range of formats.
>>>>>>
>>>>>> This patch series add Mediatek block format V4L2_PIX_FMT_MT21, the decoder driver will decoded bitstream to
>>>>>> V4L2_PIX_FMT_MT21 format.
>>>>>>
>>>>>> This patch series rely on MTK VPU driver in patch series "Add MT8173 Video Encoder Driver and VPU Driver"[1]
>>>>>> and patch "CHROMIUM: v4l: Add V4L2_PIX_FMT_VP9 definition"[2] for VP9 support.
>>>>>> Mediatek Video Decoder driver rely on VPU driver to load, communicate with VPU.
>>>>>>
>>>>>> Internally the driver uses videobuf2 framework and MTK IOMMU and MTK SMI both have been merged in v4.6-rc1.
>>>>>>
>>>>>> [1]https://patchwork.linuxtv.org/patch/33734/
>>>>>> [2]https://chromium-review.googlesource.com/#/c/245241/
>>>>>
>>>>> Hmm... I'm not seeing the firmware for this driver at the
>>>>> linux-firmware tree:
>>>>>    https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/log/
>>>>>
>>>>> Nor I'm seeing any pull request for them. Did you send it?
>>>>> I'll only merge the driver upstream after seeing such pull request.
>>>>
>>> Sorry, I am not familiar with how to upstream firmware.
>>> Do you mean we need to upstream vpu firmware first before merge encoder
>>> driver upstream?
>>
>> Please look at this page:
>>       https://linuxtv.org/wiki/index.php/Development:_How_to_submit_patches#Firmware_submission
>>
>> The information here can also be useful:
>>       https://www.kernel.org/doc/readme/firmware-README.AddingFirmware
>>
>> In summary, you need to provide redistribution rights for the
>> firmware blob. You can either submit it to me or directly to
>> linux-firmware. In the latter, please c/c me on such patch.
>
> Tiffany, what is the status of the firmware submission?
>
> Regards,
>
>         Hans
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