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Date: Mon, 26 Nov 2012 14:47:08 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Thierry Reding <thierry.reding@avionic-design.de>,
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Subject: Re: [RFC v2 0/5] Common Display Framework
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On Sat, 24 Nov 2012 09:15:51 +0200
Tomi Valkeinen <tomi.valkeinen@ti.com> wrote:

> On 2012-11-23 21:56, Thierry Reding wrote:
> > On Thu, Nov 22, 2012 at 10:45:31PM +0100, Laurent Pinchart wrote:
> > [...]
> >> Display entities are accessed by driver using notifiers. Any driver can
> >> register a display entity notifier with the CDF, which then calls the notifier
> >> when a matching display entity is registered.

The framebuffer layer has some similar 'anyone can' type notifier
behaviour and its not a good thing. That kind of "any one can" behaviour
leads to some really horrible messes unless the connections and the
locking are well defined IMHO.

Alan