[PATCH 1/7] dt-bindings: display/msm/dsi: allow specifying TE source

[Dmitry Baryshkov]

On Tue, Jun 04, 2024 at 05:22:03PM +0200, Krzysztof Kozlowski wrote:
> On 04/06/2024 17:14, Dmitry Baryshkov wrote:
> >>>>>>
> >>>>>> I didnt follow why this is a link property. Sorry , I didnt follow the
> >>>>>> split part.
> >>>>>
> >>>>> There is a link between the DSI host and the panel. I don't want to
> >>>>> end up in a situation when the properties of the link are split
> >>>>> between two different nodes.
> >>>>>
> >>>>
> >>>> It really depends on what the property denotes. I do not think this
> >>>> should be the reason to do it this way.
> >>>
> >>> It denotes how the panel signals DPU that it finished processing the
> >>> data (please excuse me for possibly inaccurate description). However
> >>> there is no direct link between the panel and the DPU. So we should be
> >>> using a link between DSI host and the panel.
> >>>
> >>
> >> Yes, I totally agree that we should be using a link between DSI host and the
> >> panel.
> >>
> >> My question from the beginning has been why the output port?
> >>
> >> It looks like to me we need to have another input port to the controller
> >> then?
> >>
> >> One from DPU and the other from panel?
> > 
> > Dear DT maintainers, could you please comment on the OF graph entries?
> > Are they considered to be unidirectional or bidirectional?
> > 
> > Would you suggest adding another arc to the OF graph in our case or is
> > it fine to have a signal generated by the panel in the 'panel_in' port?
> 
> Which pin are we talking about? DSI or panel? Commit msg suggests DSI,
> so property is in DSI node part. Seems logical to me.

Input pin on the DSI side.

-- 
With best wishes
Dmitry