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 X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3402C43461 for ; Thu, 15 Apr 2021 22:04:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7ED1E61158 for ; Thu, 15 Apr 2021 22:04:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234941AbhDOWEp (ORCPT ); Thu, 15 Apr 2021 18:04:45 -0400 Received: from mail-ot1-f50.google.com ([209.85.210.50]:37519 "EHLO mail-ot1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234735AbhDOWEp (ORCPT ); Thu, 15 Apr 2021 18:04:45 -0400 Received: by mail-ot1-f50.google.com with SMTP id c8-20020a9d78480000b0290289e9d1b7bcso9921613otm.4; Thu, 15 Apr 2021 15:04:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=cjrjUXHacNvGNDk7Q/C+ESbCLjg4Pa5yFyEf+O/Q6Rk=; b=qwEY+POX/67u1x//6jonW/ZjR6UcIb/ZjbFT39/33rBTbIjKdA4iNiMX9eAkTH3Hii qHgsCSBm8//LkMgn2+66nulMeeX0xXb6mipZFWzNqZA4aJG2ynuHhG8WmRdpy4Yqwwzn Mn3QNGMnPPR1Dp6wLk+WxuGY+IFbxQdWdutHYyPxnpnD+gVKFHWk2LNlro0u9ifKqh6j k7L/2xu0uZkMBMOy5AHTd2xKCnJ7vvbOEGEOy7P0RuEWE22ktBgFCFDkTPGEWkkPGgXo aZR9Zi81RBeFfjW4SAfTvGquGd6Fho9EmJ7+OnCyT0U+2XjCiHriFkm+rSR6jyDO1n3Q T5Bw== X-Gm-Message-State: AOAM531JN3UyYcLuOFvjCeW8Z7jR6GFbw5rZF/kdjCTMTwSDZD9AQO8q +5WoPUmjMAUQRuUwkwUvAw== X-Google-Smtp-Source: ABdhPJzs5cTY0YiItEz95ckGhd4fP2bum5/rIk1QKiYpZyI1sYfO1Yo40mAXSSBYGF8zxgIXNDa72A== X-Received: by 2002:a05:6830:1e15:: with SMTP id s21mr1077237otr.334.1618524260057; Thu, 15 Apr 2021 15:04:20 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id l9sm820713oog.32.2021.04.15.15.04.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Apr 2021 15:04:18 -0700 (PDT) Received: (nullmailer pid 1959975 invoked by uid 1000); Thu, 15 Apr 2021 22:04:16 -0000 Date: Thu, 15 Apr 2021 17:04:16 -0500 From: Rob Herring To: Rajeev Nandan Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, robdclark@gmail.com, dianders@chromium.org, mkrishn@codeaurora.org, kalyan_t@codeaurora.org, hoegsberg@chromium.org, abhinavk@codeaurora.org, seanpaul@chromium.org Subject: Re: [v1 2/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document use-aux-backlight Message-ID: <20210415220416.GA1954887@robh.at.kernel.org> References: <1618418390-15055-1-git-send-email-rajeevny@codeaurora.org> <1618418390-15055-3-git-send-email-rajeevny@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1618418390-15055-3-git-send-email-rajeevny@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Wed, Apr 14, 2021 at 10:09:49PM +0530, Rajeev Nandan wrote: > If the panel connected to the bridge supports backlight control > using DPCD registers on the DisplayPort aux channel, setting > "use-aux-backlight" property in the bridge node will enable the > registration of a DP aux backlight device from the bridge driver. > > Signed-off-by: Rajeev Nandan > --- > .../devicetree/bindings/display/bridge/ti,sn65dsi86.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml > index 26932d2..c8d8c00 100644 > --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml > @@ -58,6 +58,12 @@ properties: > clock-names: > const: refclk > > + use-aux-backlight: use-dp-aux-backlight perhaps. > + type: boolean > + description: > + The panel backlight to be controlled using DPCD registers on > + the DP aux channel. Sounds like a property of the panel, not the bridge. So it should be in the panel node. Rob