From nobody Fri Dec 19 07:37:00 2025 Received: from mail.manjaro.org (mail.manjaro.org [116.203.91.91]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C08913DBBE; Sun, 30 Jun 2024 16:00:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.91.91 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719763250; cv=none; b=XwNBE/BYAvm8JImQ4sZaKZ5Bcx0Pv2oGEtxHYFaZgANmEFy55wbJpjLcJgdWh5S22cf3QAAPNwAr0kj18lupt81+2yg9vlI2uqGBytloJBAW1Tmq6t9VsI5SYqbg2/Hu8ubk/pSlTnNxC3Ezt0ROg2V3rvgbMisqM8+QYH6RruM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719763250; c=relaxed/simple; bh=UXJgWksWglnFs3muIQpJ7TNHZ3RJRjmZTfDMGVRRZcg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bTEe4YVmtJ3SPpghFnvaqRuH170Vf4SOgfBMdc59JNvSUo7v2j7AFooriMSC+zf9gh9XkPm4RDecnL03aFx4rNtY07IA0ifz8/tJawOKgzS7PRLsWxM+wXsrrAj46zYkGvaom88r9WMzFizZLhTveCOEjXyjQCH8LtusmXmen5g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org; spf=pass smtp.mailfrom=manjaro.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b=UNNtXGRc; arc=none smtp.client-ip=116.203.91.91 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=manjaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b="UNNtXGRc" From: Dragan Simic DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1719763246; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Guv1sE7D+9DIv1Ejtj1tQsUSVZc3puEsRvEvnQebVMM=; b=UNNtXGRc4LwBEU3X/kQ1BtSCnp6NZxC8faJEiyINdG8haStOfiAW+kHXJo8pvo0THTEFb6 9BX5+/HdxOX/AokQUqQ8q93xef5QKVG8i53ZzJuB/wfzG6YHO/6Tg7OZ6qKgExk9Z/xw0Q oHDCPIIictYkSM5V8atUmi2cDiv0O+qUsVDpNSfLDi6eAWWAIJsr0jkawJP42PIyrNJQX5 UxGqRWGSHADptp6iqRJ/4yeegnU5kYk+0V6SROa3DV8WldAkZtqmX6VzolIU7LrNfMgr41 lfCbx0RnbucyTT9X9R2El4jqllrce+woVXrC4gXNUMWQ794LwyFNwd7lRKFVKw== To: linux-rockchip@lists.infradead.org Cc: heiko@sntech.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-kernel@vger.kernel.org, didi.debian@cknow.org, jonas@kwiboo.se Subject: [PATCH v3 2/2] arm64: dts: rockchip: Update GPU OPP voltages in RK356x SoC dtsi Date: Sun, 30 Jun 2024 18:00:41 +0200 Message-Id: <80301764e8983c8410c806ed2256403823709897.1719763100.git.dsimic@manjaro.org> In-Reply-To: References: 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 Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org Content-Type: text/plain; charset="utf-8" Update the values for the exact Rockchip RK356x GPU OPP voltages and the lower limits for the GPU OPP voltage ranges, using the most conservative values (i.e. the highest per-OPP voltages) found in the vendor kernel source (cf. downstream commit f8b9431ee38e ("arm64: dts: rockchip: rk3568: support adjust opp-table by otp")). [1][2] Using the most conservative per-OPP voltages ensures reliable GPU operation regardless of the actual GPU binning, with the downside of possibly using a bit more power than absolutely needed. [1] https://github.com/rockchip-linux/kernel/commit/f8b9431ee38ed561650be70= 92ab93f564598daa9 [2] https://raw.githubusercontent.com/rockchip-linux/kernel/f8b9431ee38ed56= 1650be7092ab93f564598daa9/arch/arm64/boot/dts/rockchip/rk3568.dtsi Suggested-by: Diederik de Haas Helped-by: Jonas Karlman Signed-off-by: Dragan Simic --- arch/arm64/boot/dts/rockchip/rk356x.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts= /rockchip/rk356x.dtsi index ec772bce359a..e3c77dabc72b 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi @@ -195,27 +195,27 @@ gpu_opp_table: opp-table-1 { =20 opp-200000000 { opp-hz =3D /bits/ 64 <200000000>; - opp-microvolt =3D <825000 825000 1000000>; + opp-microvolt =3D <850000 850000 1000000>; }; =20 opp-300000000 { opp-hz =3D /bits/ 64 <300000000>; - opp-microvolt =3D <825000 825000 1000000>; + opp-microvolt =3D <850000 850000 1000000>; }; =20 opp-400000000 { opp-hz =3D /bits/ 64 <400000000>; - opp-microvolt =3D <825000 825000 1000000>; + opp-microvolt =3D <850000 850000 1000000>; }; =20 opp-600000000 { opp-hz =3D /bits/ 64 <600000000>; - opp-microvolt =3D <825000 825000 1000000>; + opp-microvolt =3D <900000 900000 1000000>; }; =20 opp-700000000 { opp-hz =3D /bits/ 64 <700000000>; - opp-microvolt =3D <900000 900000 1000000>; + opp-microvolt =3D <950000 950000 1000000>; }; =20 opp-800000000 {