RE: [PATCH 3/9] dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings

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Hi Conor,

> -----Original Message-----
> From: Conor Dooley <conor@xxxxxxxxxx>
> Sent: Tuesday, July 2, 2024 4:36 PM
> To: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Subject: Re: [PATCH 3/9] dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings
> 
> On Tue, Jul 02, 2024 at 03:33:17PM +0000, Biju Das wrote:
> > Hi Conor,
> >
> > Thanks for the feedback.
> >
> > > -----Original Message-----
> > > From: Conor Dooley <conor@xxxxxxxxxx>
> > > Sent: Tuesday, July 2, 2024 3:51 PM
> > > Subject: Re: [PATCH 3/9] dt-bindings: display: renesas,rzg2l-du:
> > > Document RZ/G2UL DU bindings
> > >
> > > On Tue, Jul 02, 2024 at 10:46:13AM +0100, Biju Das wrote:
> > > > Document DU found in RZ/G2UL SoC. The DU block is identical to
> > > > RZ/G2L SoC, but has only DPI interface.
> > > >
> > > > While at it, add missing required property port@1 for RZ/G2L and
> > > > RZ/V2L SoCs.
> > >
> > > A new required property is an ABI break, it deserves more of an explanation than "in passing..."
> >
> > RZ/G2L LCDC documents both port@0 and port@1 that is described here in
> > [1]
> >
> > [1]
> > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tr
> > ee/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml?h=n
> > ext-20240702#n59
> >
> > Unfortunately missed to add port@1 as required property.
> >
> > Currently there is no user for the DPI interface and there is no DPI
> > interface support in display driver. So, there is nothing for ABI
> > breakage.
> >
> > I will mention in the commit description that "currently there is no
> > user for the DPI interface and hence there won't be any ABI breakage
> > for adding
> > port@1 as required property for RZ/G2L and RZ/V2L SoCs".
> 
> That seems reasonable. You can add my Acked-by with that wording update.

OK, will do.

Thanks,
Biju





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