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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 6FE70C433DB for ; Wed, 24 Mar 2021 02:56:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31171619E4 for ; Wed, 24 Mar 2021 02:56:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234864AbhCXC4N (ORCPT ); Tue, 23 Mar 2021 22:56:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231969AbhCXCzg (ORCPT ); Tue, 23 Mar 2021 22:55:36 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83EEDC061765 for ; Tue, 23 Mar 2021 19:55:36 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id q6-20020a17090a4306b02900c42a012202so408664pjg.5 for ; Tue, 23 Mar 2021 19:55:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VxX3jCU9gxpYCK5wxlC07dKnMnHlhcGJNIa5hTcYbHE=; b=f40wFQdeT6npH+pw+HAc7cVoVM24lGjxsjvh9ss0IAFkeMdNXo3UsL/t0j43d2olss FfsR86iQ9J9/5W27eztxDunvESkS1E7olyR/007Sm4fP6xQmoAc/IH2jSDK8VRvTZM/a UGupzhmMml/m4ViNMWC1wJMjsbFj9Rq8avW+k= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VxX3jCU9gxpYCK5wxlC07dKnMnHlhcGJNIa5hTcYbHE=; b=qyZgeThtYDHT+P5CyBDP8zGQCnzOfzv7W1mDdQsRN+RG9y0RVPS1TatYMfXdwMmCz3 UDH2N4QnfFL2vHru/6JKfViF/ODRpn2I8LzgvmynPyELV1xQdTuzrJmXnYf84ZpQviOX +5dnh0uAKyvrci24XrwSEMVOi5NgBsNxOWlYTw+klEKTfo96dneGsuT7OexWvVzFYRE4 FRlbzdl/8ktszbi3An+ZCQ+22eyPnWBA+/0nBVdcoEBSBgKHkP8FQVZZauw+SspETSc2 3RsDsDuR4m/DCwUOKLBeVkeXq7/+a2UbDGqrSU3e9xifJgEdd8Tp55fpLTMPknyKdJYk 1t7A== X-Gm-Message-State: AOAM530j4/70ePEDMp3BahxIEMa/ikSSVGgAa4/lzPMQz7jcJdsStaeV KQ4vefpz6ofmtlUFsZeF02899FaEsyGJGw== X-Google-Smtp-Source: ABdhPJynwED2kc7VSNElAA7bTKcRRHocGbOuLARI0DW++dV5v5I4giF/PTHaV0dDpzmJNobxrQDgyA== X-Received: by 2002:a17:902:f547:b029:e4:6dbc:6593 with SMTP id h7-20020a170902f547b02900e46dbc6593mr1474686plf.4.1616554535976; Tue, 23 Mar 2021 19:55:35 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:201:84ac:62f7:16a8:ccc7]) by smtp.gmail.com with ESMTPSA id t12sm468146pfe.203.2021.03.23.19.55.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 19:55:35 -0700 (PDT) From: Stephen Boyd To: Andy Gross , Bjorn Andersson Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Laurent Pinchart , Douglas Anderson Subject: [PATCH] arm64: dts: qcom: trogdor: Add no-hpd to DSI bridge node Date: Tue, 23 Mar 2021 19:55:34 -0700 Message-Id: <20210324025534.1837405-1-swboyd@chromium.org> X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org We should indicate that we're not using the HPD pin on this device, per the binding document. Otherwise if code in the future wants to enable HPD in the bridge when this property is absent we'll be wasting power powering hpd when we don't use it on trogdor boards. We didn't notice this before because the kernel driver blindly disables hpd, but that won't be true for much longer. Cc: Laurent Pinchart Cc: Douglas Anderson Fixes: 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial trogdor and lazor dt") Signed-off-by: Stephen Boyd --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 07c8b2c926c0..298af6d7fb4a 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -595,6 +595,8 @@ sn65dsi86_bridge: bridge@2d { clocks = <&rpmhcc RPMH_LN_BB_CLK3>; clock-names = "refclk"; + no-hpd; + ports { #address-cells = <1>; #size-cells = <0>; -- https://chromeos.dev