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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fac6d4d0cesm29986866d6.35.2025.05.30.15.17.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 15:17:23 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, m.felsch@pengutronix.de, 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 1/4] arm64: dts: imx8mp: drop gpcv2 vpu power-domains and clocks Date: Fri, 30 May 2025 17:17:08 -0500 Message-ID: <20250530221713.54804-2-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Marco Felsch The GPCv2 G1, G2 and VC8000E power-domain don't need to reference the VPUMIX power-domain nor their module clocks since the power and reset handling is done by the VPUMIX blkctrl driver. Signed-off-by: Marco Felsch --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 948b88cf5e9d..1bf15c502280 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -876,24 +876,17 @@ pgc_mediamix: power-domain@10 { =20 pgc_vpu_g1: power-domain@11 { #power-domain-cells =3D <0>; - power-domains =3D <&pgc_vpumix>; reg =3D ; - clocks =3D <&clk IMX8MP_CLK_VPU_G1_ROOT>; }; =20 pgc_vpu_g2: power-domain@12 { #power-domain-cells =3D <0>; - power-domains =3D <&pgc_vpumix>; reg =3D ; - clocks =3D <&clk IMX8MP_CLK_VPU_G2_ROOT>; - }; =20 pgc_vpu_vc8000e: power-domain@13 { #power-domain-cells =3D <0>; - power-domains =3D <&pgc_vpumix>; reg =3D ; - clocks =3D <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>; }; =20 pgc_hdmimix: power-domain@14 { --=20 2.48.1 From nobody Tue Dec 16 22:29:47 2025 Received: from mail-qv1-f52.google.com (mail-qv1-f52.google.com [209.85.219.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F016288C84; 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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fac6d4d0cesm29986866d6.35.2025.05.30.15.17.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 15:17:25 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, m.felsch@pengutronix.de, 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 2/4] arm64: dts: imx8mp: fix VPU_BUS clock setting Date: Fri, 30 May 2025 17:17:09 -0500 Message-ID: <20250530221713.54804-3-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Marco Felsch The VPU_PLL clock must be set before the VPU_BUS clock which is derived from the VPU_PLL clock else the VPU_BUS clock is 300MHz and not 600MHz. Signed-off-by: Marco Felsch --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 1bf15c502280..909555a5da4b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2283,8 +2283,8 @@ vpumix_blk_ctrl: blk-ctrl@38330000 { <&clk IMX8MP_CLK_VPU_G2_ROOT>, <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>; clock-names =3D "g1", "g2", "vc8000e"; - assigned-clocks =3D <&clk IMX8MP_CLK_VPU_BUS>, <&clk IMX8MP_VPU_PLL>; - assigned-clock-parents =3D <&clk IMX8MP_VPU_PLL_OUT>; + assigned-clocks =3D <&clk IMX8MP_VPU_PLL>, <&clk IMX8MP_CLK_VPU_BUS>; + assigned-clock-parents =3D <0>, <&clk IMX8MP_VPU_PLL_OUT>; assigned-clock-rates =3D <600000000>, <600000000>; interconnects =3D <&noc IMX8MP_ICM_VPU_G1 &noc IMX8MP_ICN_VIDEO>, <&noc IMX8MP_ICM_VPU_G2 &noc IMX8MP_ICN_VIDEO>, --=20 2.48.1 From nobody Tue Dec 16 22:29:47 2025 Received: from mail-qv1-f42.google.com (mail-qv1-f42.google.com [209.85.219.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B522D28B7DB; 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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fac6d4d0cesm29986866d6.35.2025.05.30.15.17.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 15:17:27 -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 3/4] arm64: dts: imx8mp-nominal: Explicitly configure nominal VPU clocks Date: Fri, 30 May 2025 17:17:10 -0500 Message-ID: <20250530221713.54804-4-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In preparation for increasing the default VPU clocks to overdrive, configure the nominal values first to avoid running the nominal devices out of spec when imx8mp.dtsi is changed. Signed-off-by: Adam Ford Reviewed-by: Ahmad Fatoum Reviewed-by: Peng Fan --- .../boot/dts/freescale/imx8mp-nominal.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi b/arch/arm64= /boot/dts/freescale/imx8mp-nominal.dtsi index 2ce1860b244d..f269f7a004fc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi @@ -89,4 +89,22 @@ &media_blk_ctrl { <1039500000>; }; =20 +&vpu_g1 { + assigned-clocks =3D <&clk IMX8MP_CLK_VPU_G1>; + assigned-clock-parents =3D <&clk IMX8MP_VPU_PLL_OUT>; + assigned-clock-rates =3D <600000000>; +}; + +&vpu_g2 { + assigned-clocks =3D <&clk IMX8MP_CLK_VPU_G2>; + assigned-clock-parents =3D <&clk IMX8MP_SYS_PLL2_1000M>; + assigned-clock-rates =3D <500000000>; +}; + +&vpumix_blk_ctrl { + assigned-clocks =3D <&clk IMX8MP_VPU_PLL>, <&clk IMX8MP_CLK_VPU_BUS>; + assigned-clock-parents =3D <0>, <&clk IMX8MP_VPU_PLL_OUT>; + assigned-clock-rates =3D <600000000>, <600000000>; 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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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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/dt= s/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 =3D ; clocks =3D <&clk IMX8MP_CLK_VPU_G1_ROOT>; assigned-clocks =3D <&clk IMX8MP_CLK_VPU_G1>; - assigned-clock-parents =3D <&clk IMX8MP_VPU_PLL_OUT>; - assigned-clock-rates =3D <600000000>; + assigned-clock-parents =3D <&clk IMX8MP_SYS_PLL1_800M>; + assigned-clock-rates =3D <800000000>; power-domains =3D <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G1>; }; =20 @@ -2267,8 +2267,8 @@ vpu_g2: video-codec@38310000 { interrupts =3D ; clocks =3D <&clk IMX8MP_CLK_VPU_G2_ROOT>; assigned-clocks =3D <&clk IMX8MP_CLK_VPU_G2>; - assigned-clock-parents =3D <&clk IMX8MP_SYS_PLL2_1000M>; - assigned-clock-rates =3D <500000000>; + assigned-clock-parents =3D <&clk IMX8MP_VPU_PLL_OUT>; + assigned-clock-rates =3D <700000000>; power-domains =3D <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G2>; }; =20 @@ -2284,8 +2284,8 @@ vpumix_blk_ctrl: blk-ctrl@38330000 { <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>; clock-names =3D "g1", "g2", "vc8000e"; assigned-clocks =3D <&clk IMX8MP_VPU_PLL>, <&clk IMX8MP_CLK_VPU_BUS>; - assigned-clock-parents =3D <0>, <&clk IMX8MP_VPU_PLL_OUT>; - assigned-clock-rates =3D <600000000>, <600000000>; + assigned-clock-parents =3D <0>, <&clk IMX8MP_SYS_PLL1_800M>; + assigned-clock-rates =3D <700000000>, <800000000>; interconnects =3D <&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>; --=20 2.48.1