From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date: Wed, 21 Sep 2011 18:07:15 +0000
Subject: Re: Proposal for a low-level Linux display framework
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To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linaro-dev@lists.linaro.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Archit Taneja <archit@ti.com>, "Clark, Rob" <rob@ti.com>

On Wed, Sep 21, 2011 at 8:01 AM, Tomi Valkeinen wrote:
> I don't know what MCS is.

MCS is manufacturer specific commands (Manufacturer Command Set).

> But DSI is just a bi-directional transfer
> protocol between the SoC and the peripheral, you can send arbitrary data
> over it.
>
> Normally the SoC composes a pixel stream using overlays and whatnot,
> which goes to the DSI hardware, which then serializes the data and sends
> it to the peripheral.
>
> But you can as well send any data, like commands, and the peripheral can
> respond with any relevant data.

Ok it makes sense now, and I see how it can get more complicated than SDVO.
A DSI lib is a good idea and interfaces for stuff like backlight and mechanisms
for queuing commands that need to go in during blanking.

Thanks for clearing it up
-Patrik