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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fac6d4d0cesm29986866d6.35.2025.05.30.15.17.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 15:17:28 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, m.felsch@pengutronix.de, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 4/4] arm64: dts: imx8mp: Configure VPU clocks for overdrive Date: Fri, 30 May 2025 17:17:11 -0500 Message-ID: <20250530221713.54804-5-aford173@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250530221713.54804-1-aford173@gmail.com> References: <20250530221713.54804-1-aford173@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250530_151730_780394_4A705AF2 X-CRM114-Status: GOOD ( 13.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The defaults for this SoC are configured for overdrive mode, but the VPU clocks are currently configured for nominal mode. Increase VPU_G1_CLK_ROOT to 800MHZ from 600MHz, Increase VPU_G2_CLK_ROOT to 700MHZ from 500MHz, and Increase VPU_BUS_CLK_ROOT to 800MHz from 600MHz. This requires adjusting the clock parents. Since there is already 800MHz clock references, move the VPU_BUS and G1 clocks to it. This frees up the VPU_PLL to be configured at 700MHz to run the G2 clock at 700MHz. Signed-off-by: Adam Ford --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 909555a5da4b..848b25c9b752 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2256,8 +2256,8 @@ vpu_g1: video-codec@38300000 { interrupts = ; clocks = <&clk IMX8MP_CLK_VPU_G1_ROOT>; assigned-clocks = <&clk IMX8MP_CLK_VPU_G1>; - assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>; - assigned-clock-rates = <600000000>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>; + assigned-clock-rates = <800000000>; power-domains = <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G1>; }; @@ -2267,8 +2267,8 @@ vpu_g2: video-codec@38310000 { interrupts = ; clocks = <&clk IMX8MP_CLK_VPU_G2_ROOT>; assigned-clocks = <&clk IMX8MP_CLK_VPU_G2>; - assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>; - assigned-clock-rates = <500000000>; + assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>; + assigned-clock-rates = <700000000>; power-domains = <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G2>; }; @@ -2284,8 +2284,8 @@ vpumix_blk_ctrl: blk-ctrl@38330000 { <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>; clock-names = "g1", "g2", "vc8000e"; assigned-clocks = <&clk IMX8MP_VPU_PLL>, <&clk IMX8MP_CLK_VPU_BUS>; - assigned-clock-parents = <0>, <&clk IMX8MP_VPU_PLL_OUT>; - assigned-clock-rates = <600000000>, <600000000>; + assigned-clock-parents = <0>, <&clk IMX8MP_SYS_PLL1_800M>; + assigned-clock-rates = <700000000>, <800000000>; interconnects = <&noc IMX8MP_ICM_VPU_G1 &noc IMX8MP_ICN_VIDEO>, <&noc IMX8MP_ICM_VPU_G2 &noc IMX8MP_ICN_VIDEO>, <&noc IMX8MP_ICM_VPU_H1 &noc IMX8MP_ICN_VIDEO>; -- 2.48.1