[PATCH V7 11/12] Documentation: bridge: Add documentation for ps8622 DT properties

[Laurent Pinchart]

Hi Ajay,

On Tuesday 07 October 2014 16:06:55 Ajay kumar wrote:
> On Tue, Oct 7, 2014 at 4:00 PM, Tomi Valkeinen wrote:
> > On 20/09/14 14:22, Ajay kumar wrote:
> >> Well, I am okay with using video ports to describe the relationship
> >> between the encoder, bridge and the panel.
> >> But, its just that I need to make use of 2 functions when phandle
> >> does it using just one function ;)
> >> -        panel_node = of_parse_phandle(dev->of_node, "panel", 0)
> >> +       endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
> >> +       if (!endpoint)
> >> +               return -EPROBE_DEFER;
> >> +
> >> +       panel_node = of_graph_get_remote_port_parent(endpoint);
> >> +       if (!panel_node)
> >> +               return -EPROBE_DEFER;
> >> 
> >> 
> >> If nobody else has objections over using of_graph functions instead
> >> of phandles, I can respin this patchset by making use of video ports.
> > 
> > The discussion did digress somewhat.
> > 
> > As a clarification, I'm in no way nack'ing this series because it
> > doesn't use the graphs for video connections. I don't see the simple
> > phandle bindings used here as broken as such.
> 
> Well, I am okay with any approach you guys decide on. I desperately want
> this to get this in since it has been floating around for quite sometime.
> The more we drag this, the more rework for me since the number of platforms
> using bridge support is increasing daily!

I won't nack this patch either. I'm however concerned that we'll run straight 
into the wall if we don't come up with an agreement on a standard way to 
describe connections in DT for display devices, which is why I would prefer 
the ps8622 bindings to use OF graph to describe connections.

-- 
Regards,

Laurent Pinchart