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Subject: Re: [PATCH 6/9] media: platform: Add Synopsys DesignWare HDMI RX
 Controller Driver
To:     Nelson Costa <Nelson.Costa@synopsys.com>,
        "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Vinod Koul <vkoul@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Jose Abreu <Jose.Abreu@synopsys.com>
References: <cover.1622631488.git.nelson.costa@synopsys.com>
 <42b1ff078618a90973f25311eae725f0f151acc5.1622631488.git.nelson.costa@synopsys.com>
 <19a78e24-b767-e5bb-e932-e704fe8614be@xs4all.nl>
 <MW3PR12MB44591B23D792BF44BD666CAAC13D9@MW3PR12MB4459.namprd12.prod.outlook.com>
From:   Hans Verkuil <hverkuil-cisco@xs4all.nl>
Message-ID: <2a78fa1e-2243-1956-60ac-a2611e8bf8ad@xs4all.nl>
Date:   Wed, 2 Jun 2021 19:04:18 +0200
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Hi Nelson,

On 02/06/2021 17:44, Nelson Costa wrote:
> Hi Hans,
> 
> Thanks for your initial comments and feedback!
> 
> From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
> Date: qua, jun 02, 2021 at 12:54:38
> 
>> Hi Nelson,
>>
>> Thank you for this patch. Some initial comments below, I will
>> need to go over this another time for some of the colorimetry
>> related functions.
>>
> 
> Ok.
> 
>> BTW, if you are interested in HDCP support, let me know. Cisco worked
>> on an API for this, but due to various reasons we have not been able
>> to upstream it. But we do use it in our products.
>>
> 
> Good to know! In that case if in the future we think to upstream 
> something
> related with HDCP we will let you know. :)
> BTW, which versions of HDCP (1.4, 2.2, 2.3) the API supports?

It's designed for all versions, but it has only been tested with 1.4
receivers.

You can find it here:

https://git.linuxtv.org/hverkuil/media_tree.git/log/?h=tc358840

BTW, don't wait for the follow-up review w.r.t. colorimetry, it might
take 1-2 weeks before I get around to that, I need to carve out time
for that. Feel free to post a v2 based on the current review.

Regards,

	Hans