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

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Message-ID: <575746EE.3030706@cisco.com>
Date:	Wed, 8 Jun 2016 07:13:02 +0900
From:	Hans Verkuil <hansverk@...co.com>
To:	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Tiffany Lin <tiffany.lin@...iatek.com>
Cc:	Hans Verkuil <hans.verkuil@...co.com>, 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, PoChun.Lin@...iatek.com
Subject: Re: [PATCH v3 0/9] Add MT8173 Video Decoder Driver



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.

Mauro, are you confusing the decoder and encoder driver? I haven't thoroughly reviewed the decoder driver
yet, so there is no pull request for the decoder driver.

The only pull request I made was for the encoder driver.

Regards,

	Hans