linux-kernel - RE: [PATCH 6/9] media: platform: Add Synopsys DesignWare HDMI RX Controller Driver

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Date:   Mon, 14 Jun 2021 17:03:29 +0000
From:   Nelson Costa <Nelson.Costa@...opsys.com>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
CC:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jose Abreu <Jose.Abreu@...opsys.com>
Subject: RE: [PATCH 6/9] media: platform: Add Synopsys DesignWare HDMI RX
 Controller Driver

Hi Hans,

From: Hans Verkuil <hverkuil-cisco@...all.nl>
Date: qua, jun 02, 2021 at 18:04:18

> 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@...all.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://urldefense.com/v3/__https://git.linuxtv.org/hverkuil/media_tree.git/log/?h=tc358840__;!!A4F2R9G_pg!Pa7NKoq1ggxUQRZwHUgCTC1A36pJsSxICKeVRFWtPHMlf9xUEDjtTjrBV0h7A81zNDo$ 
> 
> 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

Thanks for the feedback and for providing the HDCP related link!

BR,

Nelson Costa