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[34.197.84.77]) by smtp.gmail.com with ESMTPSA id u66sm406702qka.136.2020.09.10.15.00.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2020 15:00:39 -0700 (PDT) Date: Thu, 10 Sep 2020 22:00:37 +0000 From: Bjorn Andersson To: Kalyan Thota Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, Krishna Manikandan , linux-kernel@vger.kernel.org, robdclark@gmail.com, seanpaul@chromium.org, hoegsberg@chromium.org, dianders@chromium.org, jsanka@codeaurora.org, travitej@codeaurora.org, nganji@codeaurora.org Subject: Re: [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target Message-ID: <20200910220037.GA472@uller> References: <1594899334-19772-1-git-send-email-kalyan_t@codeaurora.org> <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? 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 >