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[23.128.96.18]) by mx.google.com with ESMTP id t4si4300854ejo.316.2020.09.10.15.04.32; Thu, 10 Sep 2020 15:04:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b="Ryg27q/g"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725793AbgIJWEA (ORCPT + 99 others); Thu, 10 Sep 2020 18:04:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725294AbgIJWDy (ORCPT ); Thu, 10 Sep 2020 18:03:54 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C780CC061573; Thu, 10 Sep 2020 15:03:53 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id x23so2179706wmi.3; Thu, 10 Sep 2020 15:03:53 -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=XwFesGR4NbCLq0zixfOqhv5ARStJ9CjQZ3o4UAP9K2k=; b=Ryg27q/gAZXbg6huhbkDvo7fSvYgt+GSFoQpCeq1JnM98lYeNn1mU0FPPQjx8+zCR7 HO7cWjwGxLY+h/9hS+8lXwfAdzU25b/SOByjCW516cHROFpUlc4E84piriVXDA48SJ/M /AAdslZCcSarc31hmEtZQSGY8Q4GXkfi1BfK/281hA6gGFH62+hTlrfivfTpcxXfECkf b6MATUAd7FQDf1Fer5hJHd61DSrCV/PjwZVnBYKKUMSGFBT0prFUD2qcQ0Lupkp1ye7H uJOdx9f4noBxv6I1KggJpV17U/pj6gg3zA/oppkQKW1iCBL5V1OelDW1gvcGqFZhjCqW SFdg== 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=XwFesGR4NbCLq0zixfOqhv5ARStJ9CjQZ3o4UAP9K2k=; b=mEygLPC3mXo3buF+1VH688becNg/sJwRSLyNwVa+ssWw2u/2ssuT0+Yjc5mjA/i6Zf fC2r1sx9mb42FPLvLJzx5wX6H7t9/mSjW3Q8Sl207ymTOMvuZDMGJX4cebyAylN9hL6/ ksFRsMkG1DJsvh+5bVI63tIEBZMq1D+4dQV8vtuOMZCrYxiBBUA8XnCEy3EnYUXMXMaf 5clcH7iErVaJiYH9Pt+oN1m+lR6Z2vzfP0G+nVGTYgn9Na+r2dh+CO1oQz+mmB/R/qwb vFWoJQEhi8aBcTBKk3Ka8wSSOzAzfSFGLHZVyOBepfCm+zo/KODmChpUb7jLIaCWy9Uh dSrg== X-Gm-Message-State: AOAM530/HjeSK/ZK1TgL2OrTJ0hp47k/eXAL/9tK4r/h6IfD5chuzV7Y TVUCFlrvnrucMRBp2a8xgOWUga7f8p0Z6P36XWY= X-Received: by 2002:a7b:cf1a:: with SMTP id l26mr2030447wmg.164.1599775431560; Thu, 10 Sep 2020 15:03:51 -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> <20200910220037.GA472@uller> In-Reply-To: <20200910220037.GA472@uller> From: Rob Clark Date: Thu, 10 Sep 2020 15:04:47 -0700 Message-ID: Subject: Re: [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target To: Bjorn Andersson Cc: Kalyan Thota , 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, Sep 10, 2020 at 3:00 PM Bjorn Andersson wrote: > > On Thu 16 Jul 11:35 UTC 2020, 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/ > > > > Isn't this dependency on an old revision of patch 3/3 in this series? > > Regardless, I don't see either the linked patch or patch 3 merged in > linux-next, so I presume I should not merge this? I guess that would be "drm/msm/dpu: add support for clk and bw scaling for display" on msm-next-staging[1] (about to be msm-next) [1] https://gitlab.freedesktop.org/drm/msm/-/commits/msm-next-staging > Regards, > Bjorn > > > Signed-off-by: Krishna Manikandan > > --- > > 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 > >