[RFC v2 0/5] Common Display Framework

[Alan Cox]

On Sat, 24 Nov 2012 09:15:51 +0200
Tomi Valkeinen <tomi.valkeinen at 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