From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: Re: [PATCH 4/4] ARM: dts: Use OF graph for DP to panel connection in exynos5800-peach-pi Date: Tue, 08 Dec 2015 11:13:33 +0900 Message-ID: <56663CCD.5090207@samsung.com> References: <1449492758-19989-1-git-send-email-inki.dae@samsung.com> <1449492758-19989-5-git-send-email-inki.dae@samsung.com> <5666283A.5@samsung.com> <56663384.8060708@osg.samsung.com> <566636A4.1050908@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:32778 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754652AbbLHCNf convert rfc822-to-8bit (ORCPT ); Mon, 7 Dec 2015 21:13:35 -0500 In-reply-to: <566636A4.1050908@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Krzysztof Kozlowski , Javier Martinez Canillas , dri-devel@lists.freedesktop.org Cc: airlied@linux.ie, devicetree@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com 2015=EB=85=84 12=EC=9B=94 08=EC=9D=BC 10:47=EC=97=90 Krzysztof Kozlowsk= i =EC=9D=B4(=EA=B0=80) =EC=93=B4 =EA=B8=80: > On 08.12.2015 10:33, Javier Martinez Canillas wrote: >> Hello Krzysztof, >> >> On 12/07/2015 09:45 PM, Krzysztof Kozlowski wrote: >>> On 07.12.2015 21:52, Inki Dae wrote: >>>> From: Javier Martinez Canillas >>>> >>>> The DT binding for the Exynos DRM Display Port (DP) driver isn't c= onsistent >>>> since it uses a phandle to describe the connection between the DP = port and >>>> the display panel but uses the OF graph ports and endpoints to des= cribe the >>>> connection betwen the DP port, a bridge chip and the panel. >>>> >>>> The Exynos DP driver and the DT binding have been changed to allow= also to >>>> describe the DP port to panel connection using ports / endpoints (= OF graph) >>>> so this patch changes the Exynos5800 Peach Pi DT to make it consis= tent with >>>> the Exynos5420 Peach Pit that has a eDP to LVDS chip and uses OF g= raph too. >>>> >>>> Signed-off-by: Javier Martinez Canillas >>>> Tested-by: Javier Martinez Canillas >>>> Reviewed-by: Inki Dae >>>> --- >>>> arch/arm/boot/dts/exynos5800-peach-pi.dts | 15 ++++++++++++++- >>>> 1 file changed, 14 insertions(+), 1 deletion(-) >>>> >>> >>> Looks sensible: >>> Reviewed-by: Krzysztof Kozlowski >>> >>> Dependencies are not mentioned, does it depend on patch 1? >>> >> >> Yes, it depends on patch 1/4 so it should be merged through the Exyn= os DRM >> tree to maintain bisectability. Inki's patch maintains the DT ABI ba= ckward >> compatibility though so another option is to wait until the DRM chan= ge hit >> mainline and then pick $SUBJECT. >=20 > Thanks. We could also use a tag with DRM changes for samsung-soc but > since I already flushed my queue for v4.5 I think it would be an > overkill. From my point of view it can safely go through exynos-drm t= ree. I will pick it up to exynos-drm tree. :) Thanks, Inki Dae >=20 > Best regards, > Krzysztof >=20 >=20