From: Kalyan Thota <kalyan_t@codeaurora.org> To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Krishna Manikandan <mkrishn@codeaurora.org>, 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: [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target Date: Thu, 16 Jul 2020 17:05:33 +0530 [thread overview] Message-ID: <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> (raw) In-Reply-To: <1594899334-19772-1-git-send-email-kalyan_t@codeaurora.org> From: Krishna Manikandan <mkrishn@codeaurora.org> 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 <mkrishn@codeaurora.org> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: Kalyan Thota <kalyan_t@codeaurora.org> To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Krishna Manikandan <mkrishn@codeaurora.org>, travitej@codeaurora.org, linux-kernel@vger.kernel.org, dianders@chromium.org, seanpaul@chromium.org, hoegsberg@chromium.org Subject: [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target Date: Thu, 16 Jul 2020 17:05:33 +0530 [thread overview] Message-ID: <1594899334-19772-2-git-send-email-kalyan_t@codeaurora.org> (raw) In-Reply-To: <1594899334-19772-1-git-send-email-kalyan_t@codeaurora.org> From: Krishna Manikandan <mkrishn@codeaurora.org> 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 <mkrishn@codeaurora.org> --- 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 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-07-16 11:36 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-16 11:35 [PATCH 1/3] arm64: dts: sc7180: add interconnect bindings for display Kalyan Thota 2020-07-16 11:35 ` Kalyan Thota 2020-07-16 11:35 ` Kalyan Thota [this message] 2020-07-16 11:35 ` [PATCH 2/3] arm64: dts: sc7180: add bus clock to mdp node for sc7180 target Kalyan Thota 2020-08-04 15:43 ` Rob Clark 2020-08-04 15:43 ` Rob Clark 2020-09-10 22:00 ` Bjorn Andersson 2020-09-10 22:00 ` Bjorn Andersson 2020-09-10 22:04 ` Rob Clark 2020-09-10 22:04 ` Rob Clark 2020-07-16 11:35 ` [PATCH 3/3] drm/msm/dpu: add support for clk and bw scaling for display Kalyan Thota 2020-07-16 11:35 ` Kalyan Thota 2020-08-04 15:40 ` Rob Clark 2020-08-04 15:40 ` Rob Clark 2020-10-27 8:32 ` Dmitry Baryshkov 2020-10-27 8:32 ` Dmitry Baryshkov 2020-11-08 17:55 ` Amit Pundir 2020-11-08 17:55 ` Amit Pundir 2020-08-04 15:42 ` [PATCH 1/3] arm64: dts: sc7180: add interconnect bindings " Rob Clark 2020-08-04 15:42 ` Rob Clark
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