From nobody Sun Feb 8 19:39:53 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B549924F5A1; Tue, 11 Feb 2025 14:14:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739283269; cv=none; b=aTgSaVFP8qdbugsKhj2QWHyRVr5dqaLeKY8F0bp0ls5MtVvN9MsojYosARbLZZ1x6xToADHzX0fh0/rpnb0TuOvsY4JNV+DoaNdzRFG5p5b+itre6jbyGof2hDjmx9z37rtHRJ8eHBkfLwcy/yUqQQGXLuuHdmeuELF/OcIdVfM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739283269; c=relaxed/simple; bh=r8GSQt4Fmtk2nUUtsyC/9rHcXIOOOzg63rG69cNIuyg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=o/v2IEv+qR+pPWB0UMKIS2MEHB2gGW2xmTx/EmNEIb3h+q8mbL5H2zOPtEZLReDEWv9J1YFEKBJh/FPuWF6z7/ruZIRM3pRWMc+rblApYVUaf3K6wKlMYnsVnWNTlMDv8GwKdyRZfL/owBevZkyLG5LfgfH0yLI7TMCAUseEVxo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=laCkDPdT; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="laCkDPdT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1739283266; bh=r8GSQt4Fmtk2nUUtsyC/9rHcXIOOOzg63rG69cNIuyg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=laCkDPdTknse85VhAVNJGiJax/fYG8P+5oXXFk/i2BLlJUdp/VjazgWQlXPg4gX58 KnvtkuiXZaLTbMa4T9+YGkrvIi2YQ5FuLFRX7MIJsgg4FFiTh9mejtBJYXo97QPUdE YqDPYTb6IIaz09HuftSoc5Q+gaIJscJI+kmLDGbiK5ayzTn1f3mljYFT4SnQYwu0UQ 7VIwC0FdZZB8hIviV1SeETqUdvhvVG43PiyMtbVHznMlLqpgmLQxr1slFzcKLhn7yg DytAyLij5vj0ILhHQXmYl5XIQgFbldJ8Zzt1aQYBRC71WJXhgkCE/afpKq4JocZp7r x8qTMi8figsQA== Received: from yukiji.home (lfbn-tou-1-1147-231.w90-76.abo.wanadoo.fr [90.76.208.231]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: laeyraud) by bali.collaboradmins.com (Postfix) with ESMTPSA id 0A64117E14D5; Tue, 11 Feb 2025 15:14:24 +0100 (CET) From: Louis-Alexis Eyraud Date: Tue, 11 Feb 2025 15:13:10 +0100 Subject: [PATCH v4 3/3] arm64: dts: mediatek: mt8370: Enable gpu support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250211-mt8370-enable-gpu-v4-3-77deb7a75c23@collabora.com> References: <20250211-mt8370-enable-gpu-v4-0-77deb7a75c23@collabora.com> In-Reply-To: <20250211-mt8370-enable-gpu-v4-0-77deb7a75c23@collabora.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Boris Brezillon , Steven Price Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Louis-Alexis Eyraud X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1739283261; l=1948; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=r8GSQt4Fmtk2nUUtsyC/9rHcXIOOOzg63rG69cNIuyg=; b=RVgfl0lBwwqykOnm/tB7a5QYLPJ6sXQ+7vvt2INaxPYJU0jW5tuJvYC24r5c3i3nKE+Ek1rWl bwgif4T/yvxDR5oWO/zeRR/Irr8/RIx77r+XCzRueqnHD/qvOk79nbZ X-Developer-Key: i=louisalexis.eyraud@collabora.com; a=ed25519; pk=CHFBDB2Kqh4EHc6JIqFn69GhxJJAzc0Zr4e8QxtumuM= Add a new gpu node in mt8370.dtsi to enable support for the ARM Mali G57 MC2 GPU (Valhall-JM) found on the MT8370 SoC, using the Panfrost driver. On a Mediatek Genio 510 EVK board, the panfrost driver probed with the following message: ``` panfrost 13000000.gpu: clock rate =3D 390000000 panfrost 13000000.gpu: mali-g57 id 0x9093 major 0x0 minor 0x0 status 0x0 panfrost 13000000.gpu: features: 00000000,000019f7, issues: 00000003, 80000400 panfrost 13000000.gpu: Features: L2:0x08130206 Shader:0x00000000 Tiler:0x00000809 Mem:0x1 MMU:0x00002830 AS:0xff JS:0x7 panfrost 13000000.gpu: shader_present=3D0x5 l2_present=3D0x1 [drm] Initialized panfrost 1.3.0 for 13000000.gpu on minor 0 ``` Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Louis-Alexis Eyraud --- arch/arm64/boot/dts/mediatek/mt8370.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8370.dtsi b/arch/arm64/boot/dts= /mediatek/mt8370.dtsi index cf1a3759451ff899ce9e63e5a00f192fb483f6e5..7ac8b8d0349455922a73f35db60= 7b2b27cad23d7 100644 --- a/arch/arm64/boot/dts/mediatek/mt8370.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8370.dtsi @@ -59,6 +59,22 @@ &cpu_little3_cooling_map0 { <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; }; =20 +/* + * Please note that overriding compatibles is a discouraged practice and i= s a + * clear indication of nodes not being, well, compatible! + * + * This is a special case, where the GPU is the same as MT8188, but with o= ne + * of the cores fused out in this lower-binned SoC. + */ +&gpu { + compatible =3D "mediatek,mt8370-mali", "arm,mali-valhall-jm"; + + power-domains =3D <&spm MT8188_POWER_DOMAIN_MFG2>, + <&spm MT8188_POWER_DOMAIN_MFG3>; + + power-domain-names =3D "core0", "core1"; +}; + &ppi_cluster0 { affinity =3D <&cpu0 &cpu1 &cpu2 &cpu3>; }; --=20 2.48.1