linux-kernel - Re: [EXT] Re: [PATCH 0/5] Add V4L2 driver for i.MX8 JPEG Encoder/Decoder

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Date:   Wed, 13 Nov 2019 12:52:52 +0000
From:   Mirela Rabulea <mirela.rabulea@....com>
To:     "ezequiel@...labora.com" <ezequiel@...labora.com>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     dl-linux-imx <linux-imx@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "laurent.pinchart+renesas@...asonboard.com" 
        <laurent.pinchart+renesas@...asonboard.com>,
        Aisheng Dong <aisheng.dong@....com>,
        Laurentiu Palcu <laurentiu.palcu@....com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "paul.kocialkowski@...tlin.com" <paul.kocialkowski@...tlin.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Robert Chiras <robert.chiras@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "niklas.soderlund+renesas@...natech.se" 
        <niklas.soderlund+renesas@...natech.se>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>,
        Daniel Baluta <daniel.baluta@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        "dafna.hirschfeld@...labora.com" <dafna.hirschfeld@...labora.com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
Subject: Re: [EXT] Re: [PATCH 0/5] Add V4L2 driver for i.MX8 JPEG
 Encoder/Decoder

Hi Ezequiel,

On Ma, 2019-11-12 at 13:17 -0300, Ezequiel Garcia wrote:
> This patch set adds the V4L2 driver for i.MX8QXP/QM JPEG
> > encoder/decoder
> > and it's dependencies.
> > The driver was tested on i.MX8QXP, using a unit test application
> > and
> What's the relatioship between this hardware and the JPEG hardware
> support that
> is available on i.MX 8M?

If you are referring to the VPU, the relation is none, it's a different
IP. The VPU is also capable of MJPEG decoding, but no encoding.

The IPs for which this driver is written are the JPEGENC and JPEGDEC,
and it's present only on 8QM & 8QXP (which also have the VPU).

Regards,
Mirela