From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6A6E4EFCE4B for ; Wed, 4 Mar 2026 22:30:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uV2/IuavxCdYbHUsKgqZBeTb6Uexm2xp+WQkT9yEXR0=; b=tNFvOXvJYl/KTct2bxz4biY3vA fvRvG03Cw/TEBPGIhyanQV2BbXxP42kgqxuaL4ee+AwoOzE6LsLbh3iBBgwKXlyEryt74Ya3rOuQw oaOthKhehpsLsydbyHKyaKSUwBYTDUoiaL8Kqp1WsUXNb7eEwqVr7uQ1BeyM6ZI3jBKQtb3RvfR/B PvjLBnASeitMTycnop92C8JRDL12IweUIwdR35mjx5YEMg1kR4TqlWR/UxPUdguktctwH6VCzNXwN Q8pffaI21tQzzOWTph2QZ1/ZLm9+4gDnhfW2hah2Gdg5GX8ZkEDZkHJD1r6ZWDvaB9vMrQXvqg/qA mulklwow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxujA-00000000acR-24Tn; Wed, 04 Mar 2026 22:30:00 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxuj9-00000000ac3-1moV; Wed, 04 Mar 2026 22:29:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D843A600B0; Wed, 4 Mar 2026 22:29:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 70EDCC19425; Wed, 4 Mar 2026 22:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772663398; bh=3FJZfyaoW2n8+C7MJpN0vluz5q4yQ6pJg7+9Bbmp5R4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=V+GbCzwk4GlVqiwIPJABB76mXAR3wqrOTfo1lvjjpnv6x7zylGb9wHz43E5HJIS0j CssMiOArG4aJlhv/fi7LrqOgNk5VQKkroK8s/8C7AkbmAaXp9sUPmhwmMgup/GuhR3 L3XpZkQR/xulaKOzP7hqWBYhkZWOx2h1fhRxLd33uccA4TuAEhXlR0fzEDSeAtgaU2 SSw9Y+SOrk7ezmNWfWuBskZ5X4H71k+afPeF/8H5Z6zRMhLSWUbBuKqh463mkiJ53e 7m/HWWVxFipET9XJ9Gjdr02ca6tGpQdSxx7itamHhwy3DDDUaq6UBu+euMBheufV9O ehROkvxXwqSBw== Date: Wed, 4 Mar 2026 22:29:53 +0000 From: Conor Dooley To: Cristian Ciocaltea Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Detlev Casanova , Ezequiel Garcia , Mauro Carvalho Chehab , Nicolas Dufresne , Hans Verkuil , kernel@collabora.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Conor Dooley , linux-media@vger.kernel.org Subject: Re: [PATCH v5 1/4] media: dt-bindings: rockchip,vdec: Mark reg-names required for RK35{76,88} Message-ID: <20260304-stack-marbles-c788714a116d@spud> References: <20260304-vdec-reg-order-rk3576-v5-0-7006fad42c3a@collabora.com> <20260304-vdec-reg-order-rk3576-v5-1-7006fad42c3a@collabora.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3FZK3G5ptjaGHPxj" Content-Disposition: inline In-Reply-To: <20260304-vdec-reg-order-rk3576-v5-1-7006fad42c3a@collabora.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --3FZK3G5ptjaGHPxj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 04, 2026 at 11:00:40PM +0200, Cristian Ciocaltea wrote: > The Rockchip Video Decoder driver expects reg-names to be mandatory for > RK3576 and RK3588 SoCs, however the binding does not currently require > the use of them. >=20 > As a consequence, driver would fail to probe with a hypothetical > devicetree that doesn't provide the reg-names for these SoCs, but which > is otherwise a perfectly valid DT from the binding perspective. >=20 > Update the binding and make reg-names required for the aforementioned > SoCs. While this change introduces an ABI break, the expected impact on > potential users would be minimal, if any, since the old SoCs are > unaffected, while the video decoder support for these newer variants in > mainline driver and devicetrees hasn't been released yet. >=20 > Moreover, this is also a prerequisite for a subsequent binding update > introducing an alternative reg-names order, according to the > address-based listing in the vendor's datasheet. >=20 > Reported-by: Conor Dooley > Closes: https://lore.kernel.org/all/20260227-urologist-gratitude-7984733f= 2d41@spud/ > Fixes: c6ffb7e1fb90 ("media: dt-bindings: rockchip: Document RK3588 Video= Decoder bindings") > Fixes: a5c4a6526476 ("media: dt-bindings: rockchip: Add RK3576 Video Deco= der bindings") > Signed-off-by: Cristian Ciocaltea Acked-by: Conor Dooley --3FZK3G5ptjaGHPxj Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaaiyYQAKCRB4tDGHoIJi 0mAVAQD3bq2yM/By7Zecxq5OzU8kDn07EEIF/g5RIu7wrl4UsgD9H1u53E7eYcZi Q2t9M8Kv1f4EBbnxZmdj/4yTVs7csw4= =axN/ -----END PGP SIGNATURE----- --3FZK3G5ptjaGHPxj--