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