Re: [PATCH] drm: rcar-du: Document the vsps property in the DT bindings

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Hi Geert,

On Wednesday 05 Apr 2017 09:54:38 Geert Uytterhoeven wrote:
> On Fri, Mar 31, 2017 at 11:21 AM, Geert Uytterhoeven wrote:
> > On Fri, Mar 31, 2017 at 11:19 AM, Laurent Pinchart wrote:
> >> On Monday 27 Mar 2017 13:05:48 Geert Uytterhoeven wrote:
> >>> On Mon, Mar 27, 2017 at 11:56 AM, Laurent Pinchart wrote:
> >>>> The property is used by the driver but is missing from the DT
> >>>> bindings. Document it.
> >>>> 
> >>>> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> >>>> Signed-off-by: Laurent Pinchart
> >>>> <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> >>>> ---
> >>>> 
> >>>>  Documentation/devicetree/bindings/display/renesas,du.txt | 5 +++++
> >>>>  1 file changed, 5 insertions(+)
> >>>> 
> >>>> diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt
> >>>> b/Documentation/devicetree/bindings/display/renesas,du.txt index
> >>>> 1a02f099a0ff..cf34893a1b53 100644
> >>>> --- a/Documentation/devicetree/bindings/display/renesas,du.txt
> >>>> +++ b/Documentation/devicetree/bindings/display/renesas,du.txt
> >>>> 
> >>>> @@ -36,6 +36,11 @@ Required Properties:
> >>>>        When supplied they must be named "dclkin.x" with "x" being the
> >>>>        input clock numerical index.
> >>> > 
> >>> > +Optional Properties:
> >>> > +
> >>> > +  - vsps: A list of phandles to the VSP nodes that handle the memory
> >>> > +    interfaces for the DU channels (Gen3 only).
> >>> 
> >>> ", one per channel"?
> >>> 
> >>> Required for Gen3, optional for Gen2? (cfr. Sergei's patches).
> >> 
> >> How about making it mandatory on Gen2 as well ? The VSPs are there, even
> >> if the driver doesn't use them, it makes sense to describe the
> >> connection. Of
> > 
> > Fine for me, as this is hardware description.
> > 
> >> course the driver will treat the property as optional for backward
> >> compatibility.
> > 
> > OK.
> 
> Will you do this as an incremental update?
> I noticed the initial version is now in drm-next.

I've included it in the pull request by mistake and realized that too late, 
sorry :-/ I will send an incremental update.

-- 
Regards,

Laurent Pinchart

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