From nobody Mon Sep 28 16:22:24 2026 Received: from smtp.forwardemail.net (smtp.forwardemail.net [149.28.215.223]) (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 07AC84756C8 for ; Thu, 20 Aug 2026 14:23:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=149.28.215.223 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787235831; cv=none; b=PcZaIG66ikuMEAExfKEbiz0kQR4pXiYn1S37lX1WGa/EoW76PQsJBT48Ubqlu+cK3bH+H5wSxKFVVUoGuUqvHlJ12Ge5npmdBPwW0NjWfdJEoynB2a5UtAKm31x6cVgu34W1WnjIUl8nInDgSMYumOJFpvqJLubOYG7/4FHfwOU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787235831; c=relaxed/simple; bh=EZipOWOzVyxEwLZC5ozioVkSx5AwVMWapHRN/NSt6mU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P3ntJAYfiUwV3s5pdWk+/03D30+XfLRGwtMKT2IILYsZp5fLQHWnlJJARNewD4TXh3gLBVJADdV1OxtrcmVDOTsY2RbkRXsYUznNXoXW2i1htRdhcRjCVkOH7H8rdygLtEfYCOADsUbMcen3qmhGALhOikBn2eihEMuqyksaWAU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lineageos.org; spf=pass smtp.mailfrom=fe-bounces.lineageos.org; dkim=pass (1024-bit key) header.d=lineageos.org header.i=@lineageos.org header.b=IYU8oEUl; arc=none smtp.client-ip=149.28.215.223 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lineageos.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fe-bounces.lineageos.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lineageos.org header.i=@lineageos.org header.b="IYU8oEUl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lineageos.org; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-2eefaa527c; t=1787235829; bh=rbw8xQ6r3piVMAmakyWDIwjPOKwVFsaRkmQ0YOAEGp8=; b=IYU8oEUluKHZuviaUsepwSITsTBX7yDLhbOSTw99zGQCQmAoX/OMtX3q/M4C6CaJVmGWkEPkf 5XRjuaEeuIEXWWBO9ZxdzuM/VhWcK22dXaEuJnVpHI08DVuFX8J6+H/L+YIQGtXjVK0qac/a+1B 99ut6s206SwumsTQyodZr80= X-Forward-Email-ID: 6a870def7f958f0d9fc1b812 X-Forward-Email-Sender: rfc822; tturner@lineageos.org, smtp.forwardemail.net, 149.28.215.223 X-Forward-Email-Version: 2.13.16 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Thomas Turner To: krzysztof.kozlowski@oss.qualcomm.com Cc: semen.protsenko@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, peter.griffin@linaro.org, alim.akhtar@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Turner Subject: [PATCH v2 1/2] dt-bindings: gpu: arm,mali-bifrost: add exynos850-mali compatible Date: Thu, 20 Aug 2026 15:23:29 +0100 Message-ID: <20260820142330.84514-2-tturner@lineageos.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260820142330.84514-1-tturner@lineageos.org> References: <20260820142330.84514-1-tturner@lineageos.org> 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" Exynos850 SoC uses the ARM Mali G52 GPU, document its compatible string with the appropriate fallback. Signed-off-by: Thomas Turner --- Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/= Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml index 9db9f84ad964..ece2b637cd41 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml +++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml @@ -34,6 +34,7 @@ properties: - rockchip,rk3562-mali - rockchip,rk3568-mali - rockchip,rk3576-mali + - samsung,exynos850-mali - const: arm,mali-bifrost # Mali Bifrost GPU model/revision is f= ully discoverable - items: - enum: --=20 2.47.3 From nobody Mon Sep 28 16:22:24 2026 Received: from smtp.forwardemail.net (smtp.forwardemail.net [149.28.215.223]) (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 9138847669C for ; Thu, 20 Aug 2026 14:23:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=149.28.215.223 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787235834; cv=none; b=ayL8gPhRRxv3oCF7gjU8Q0xrv0e3J4liuoBvvd6nSm976oQQ431M8x4Kkv6O7aeSTd2VlDSsAjFeM0s4EWI7lAziZsdeQLucKnoUoK7YSI8MwmEDu2tBvZh+vRSmcEXx1R7HweXumaEDaeXIvgp1kjBL3OJ2godE4nopQ+RFDSA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787235834; c=relaxed/simple; bh=7h8yYep2buRwZt/qo9zjRGEeg3X+kwoG0/5M+kERJxc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uPTYBG9qIxIs1sWpTustJgVtK5OhXpIQ49wpsKbyZl53+QOGvMewh5xOZI6oJpfItmtjQRtCCQJdtJcR95lCAHjwgrm3enhEPwSaBmcLIkvvuCEPQIlOUvMZ7E8ea6hDrDvuHKnDsK0PK842KFph+7mzXliUqWsmBsH85A6zI0I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lineageos.org; spf=pass smtp.mailfrom=fe-bounces.lineageos.org; dkim=pass (1024-bit key) header.d=lineageos.org header.i=@lineageos.org header.b=ZJWNr3rp; arc=none smtp.client-ip=149.28.215.223 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lineageos.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fe-bounces.lineageos.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lineageos.org header.i=@lineageos.org header.b="ZJWNr3rp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lineageos.org; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-2eefaa527c; t=1787235833; bh=pTvmOLf2cnvYtnWCj0T/kHsrS3V5GxEZ8qTiqEwrp6c=; b=ZJWNr3rpugxjHwZQNF3SgUNuUDUDdWhthCrfaiDcHnd9ohkxvN0/CfdrThQZE5goqoF5v7VLw zMvhEqLKtjHIeKD3qYUR6DTEX04pfKvn5VDoC4C6qPRMuLFVDTzQ8QOOjxIWIJ4q1UCIWR6w2ZM Y1xneiulZNlOwNyi56NrRWY= X-Forward-Email-ID: 6a870df37f958f0d9fc1b839 X-Forward-Email-Sender: rfc822; tturner@lineageos.org, smtp.forwardemail.net, 149.28.215.223 X-Forward-Email-Version: 2.13.16 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Thomas Turner To: krzysztof.kozlowski@oss.qualcomm.com Cc: semen.protsenko@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, peter.griffin@linaro.org, alim.akhtar@samsung.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Turner Subject: [PATCH v2 2/2] arm64: dts: exynos850: Add GPU/Mali Bifrost node Date: Thu, 20 Aug 2026 15:23:30 +0100 Message-ID: <20260820142330.84514-3-tturner@lineageos.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260820142330.84514-1-tturner@lineageos.org> References: <20260820142330.84514-1-tturner@lineageos.org> 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" This can provide basic GPU functionality for the Exynos850 platform. Tested on the SM-A217F device. Does not provide support for temperature throttling, DVFS, power domains, governor support, boosting and voltage control. Once PMIC is properly implemented, support will hopefully increase. However the panfrost driver probes, the Mali-G52 GPU initializes and the core clock is set-up. Signed-off-by: Thomas Turner --- arch/arm64/boot/dts/exynos/exynos850.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dt= s/exynos/exynos850.dtsi index 3881f573ec08..8ed85c125030 100644 --- a/arch/arm64/boot/dts/exynos/exynos850.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi @@ -296,6 +296,18 @@ cmu_g3d: clock-controller@11400000 { clock-names =3D "oscclk", "dout_g3d_switch"; }; =20 + gpu: gpu@11500000 { + compatible =3D "samsung,exynos850-mali", "arm,mali-bifrost"; + reg =3D <0x11500000 0x5000>; + interrupts =3D , + , + ; + interrupt-names =3D "job", "mmu", "gpu"; + clocks =3D <&cmu_g3d CLK_GOUT_G3D_GPU_CLK>; + clock-names =3D "core"; + status =3D "disabled"; + }; + cmu_apm: clock-controller@11800000 { compatible =3D "samsung,exynos850-cmu-apm"; reg =3D <0x11800000 0x8000>; --=20 2.47.3