From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A45FA16C69A; Tue, 2 Jul 2024 15:35:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719934553; cv=none; b=G92fKu/x3Iw5/JhcWDB5ldpbT79eUuw23p8r0Z6vlBAhGQ6JQuQn7fsybaqp+/kyn7K+qLy1Y+2Xb5upY5lxwJi/re2GUo6ASIjad1NI2A4ylZwxqYJxJMfiEJRkxfC+TITM1mSrx6zazbhaucUuxjQ15zZBUVC26xHSQHOXnLs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719934553; c=relaxed/simple; bh=d0r/U78nJwjF0PuDIicF8GoEeZ39FyO/cI638TFlymc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FVOlImhkofzRzij/+tdsxVib6342tdtYELK/w+pmyEL9hoZCbNrozQNrHFxgr7pXzgTqRVtfFs8Txton/S94Tmidt6je+VRvnd7TwR/3iEyiiTSTRqg83UgZ5CaUW36poPOcQ/kgNcJ8QxI+k/6Vx6UAeiOkcVzPXjQ0xatQBgA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tuFDZ6dZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tuFDZ6dZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6C1CC116B1; Tue, 2 Jul 2024 15:35:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719934553; bh=d0r/U78nJwjF0PuDIicF8GoEeZ39FyO/cI638TFlymc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tuFDZ6dZyskkQpmod2NndktGYwtlhSN0XhHu5sooRPMRGGHNT9AAzp3ZWXJvonhrX 1bw/V1+4khFF2pdS0gTmWgKaVNatEH8EnGbmyYycEbQ4lyfnZIqUyKKfANV00Xsj1S O8UMol1TtObXQrltAlV+/m3efNe3zLIL2nr31yBSoUcC5dJMT4KUCXTbUbTF2nDlKC GPHOAD+wSLmpMDRstRPK005YnE9jip4EUgTyUUWvQJP1oJkLVcnHfR6ZqNKTLPfICj Cw4OJ47YBysCbys70csxtbS5XabPywof97biJdY4cvS+Zzplel3Nzfwqp0SJN5jCbN aiMCEJ/QDeyRg== Date: Tue, 2 Jul 2024 16:35:47 +0100 From: Conor Dooley To: Biju Das Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Laurent Pinchart , "dri-devel@lists.freedesktop.org" , "linux-renesas-soc@vger.kernel.org" , "devicetree@vger.kernel.org" , Prabhakar Mahadev Lad , "biju.das.au" Subject: Re: [PATCH 3/9] dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings Message-ID: <20240702-flattery-statue-474590da5a20@spud> References: <20240702094630.41485-1-biju.das.jz@bp.renesas.com> <20240702094630.41485-4-biju.das.jz@bp.renesas.com> <20240702-choking-glitch-d97191325ac7@spud> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xNnmU3os9sSSmAJ4" Content-Disposition: inline In-Reply-To: --xNnmU3os9sSSmAJ4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 02, 2024 at 03:33:17PM +0000, Biju Das wrote: > Hi Conor, >=20 > Thanks for the feedback. >=20 > > -----Original Message----- > > From: Conor Dooley > > Sent: Tuesday, July 2, 2024 3:51 PM > > Subject: Re: [PATCH 3/9] dt-bindings: display: renesas,rzg2l-du: Docume= nt RZ/G2UL DU bindings > >=20 > > 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. > >=20 > > A new required property is an ABI break, it deserves more of an explana= tion than "in passing..." >=20 > RZ/G2L LCDC documents both port@0 and port@1 that is described here in [1] >=20 > [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/t= ree/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml?h=3Dnex= t-20240702#n59 >=20 > Unfortunately missed to add port@1 as required property. >=20 > 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. >=20 > 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. Thanks, Conor. --xNnmU3os9sSSmAJ4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZoQeUwAKCRB4tDGHoIJi 0naNAP4yj6xiuixYXi1I6TrPMzMRCMcItq9sA/e8yk7LfX9MAAEA55lAxEvKtcmh sbWuK1YJ7V5yc/rgxZRGF+eT+7uovQU= =MINL -----END PGP SIGNATURE----- --xNnmU3os9sSSmAJ4--