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=-10.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 DE9D1C433DF for ; Tue, 4 Aug 2020 15:43:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C5C3F207FC for ; Tue, 4 Aug 2020 15:43:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e+67uSIM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728493AbgHDPnP (ORCPT ); Tue, 4 Aug 2020 11:43:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725932AbgHDPnL (ORCPT ); Tue, 4 Aug 2020 11:43:11 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BEA5C06174A; Tue, 4 Aug 2020 08:43:11 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id qc22so28160948ejb.4; Tue, 04 Aug 2020 08:43:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XvDU7ICblMvlU4iZYYabhFUIQmUPVsxNxDRb1FZXmmQ=; b=e+67uSIMTJb41hxcWS6ZQmz0qzGJN+L+0LjLuEvxDP1SR0HK+KVh6uL3ACN479ohD3 DLaWjsW/mWVnl/3x1ojrBejYHb+DM/wjSxscTaohaLbeuJCKGccPBqiFa8g732pJRXUP 2KVSV9Z++b3X5HJPoDh6XVcCdEJjVDTWwCrdgDICS8KWTRU7O9tNn+K8roCzsUPmarEI oVFQSHvmt4HjwSni/SMqATRSdKoCyXEEu02bXcTrRo5SuSdGil4TT4HjFFoCewftRUi4 8KUaA8nTjECb2DfjErOR1OjXDtcFEdROjk2TbRGxLEPAR3yWHAvbDbQDlz1dbR2WFUw1 sEVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XvDU7ICblMvlU4iZYYabhFUIQmUPVsxNxDRb1FZXmmQ=; b=uk2Ah0uK0DvqfqmDE8/IQb9Lk0xp3te32F6v1/t5EM6GKNBT5EpMDCHr++3WEPo6w+ 5DnZy4ENWGLt+TTAky8L3Xg2oXJAjzSFgdhaDTq61XixtDN3QPSo44hcxKQtG8z7sHwJ s0WGufGEa8D9/9aOprId/X8qF2R63IKaNXQTvoQL+DFRTUhHXY4r4CcOhyvY1zQmBVE4 Thf8kKPXbpoZGlWQ03knr2ZggkuGvov+UjdMw16s684Vwv7NmaQy77PggFBz26+TX89F LPJiwys7sQQ6ZM4RNauxBREiZcyITq0aKsReKqUZVAF1FYda/JA/5fyh1pyfM/UaSPN8 h3tw== X-Gm-Message-State: AOAM533rhV4nQs/wCpSPqmauW+oWfXuJooPAgOlh7KrrjVJcNoy3bzVn Zqwma4rIZa6eVGm9mo8C6ldj6EyvEG/WDWp9358= X-Google-Smtp-Source: ABdhPJyG/9OaPWsq91DUuGc0ZHEkp1Igwsy4OYzy799p9zWx9XbX3KeVYuueq33MKr+f5VDzCNWkOoFl7hDa0Dk2xRI= X-Received: by 2002:a17:906:f14f:: with SMTP id gw15mr21260603ejb.245.1596555789850; Tue, 04 Aug 2020 08:43:09 -0700 (PDT) MIME-Version: 1.0 References: <1594899334-19772-1-git-send-email-kalyan_t@codeaurora.org> <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> In-Reply-To: <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> From: Rob Clark Date: Tue, 4 Aug 2020 08:43:54 -0700 Message-ID: Subject: Re: [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target To: Kalyan Thota Cc: dri-devel , linux-arm-msm , freedreno , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Krishna Manikandan , Linux Kernel Mailing List , Sean Paul , "Kristian H. Kristensen" , Douglas Anderson , Jeykumar Sankaran , Raviteja Tamatam , nganji@codeaurora.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 16, 2020 at 4:36 AM Kalyan Thota wrote: > > From: Krishna Manikandan > > Move the bus clock to mdp device node,in order > to facilitate bus band width scaling on sc7180 > target. > > The parent device MDSS will not vote for bus bw, > instead the vote will be triggered by mdp device > node. Since a minimum vote is required to turn > on bus clock, move the clock node to mdp device > from where the votes are requested. > > This patch has dependency on the below series > https://patchwork.kernel.org/patch/11468783/ > > Signed-off-by: Krishna Manikandan Reviewed-by: Rob Clark > --- > arch/arm64/boot/dts/qcom/sc7180.dtsi | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi > index 4f2c0d1..31fed6d 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > @@ -1510,10 +1510,9 @@ > power-domains = <&dispcc MDSS_GDSC>; > > clocks = <&gcc GCC_DISP_AHB_CLK>, > - <&gcc GCC_DISP_HF_AXI_CLK>, > <&dispcc DISP_CC_MDSS_AHB_CLK>, > <&dispcc DISP_CC_MDSS_MDP_CLK>; > - clock-names = "iface", "bus", "ahb", "core"; > + clock-names = "iface", "ahb", "core"; > > assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>; > assigned-clock-rates = <300000000>; > @@ -1539,12 +1538,13 @@ > <0 0x0aeb0000 0 0x2008>; > reg-names = "mdp", "vbif"; > > - clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, > + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > <&dispcc DISP_CC_MDSS_ROT_CLK>, > <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, > <&dispcc DISP_CC_MDSS_MDP_CLK>, > <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > - clock-names = "iface", "rot", "lut", "core", > + clock-names = "bus", "iface", "rot", "lut", "core", > "vsync"; > assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>, > <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > -- > 1.9.1 >