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bh=8Sgmh8+jBx+h+cYd/aQ5qDa2nD/34St3AocupyWUxT0=; c=simple/simple; d=packett.cool; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793827459; v=1; x=1794432259; b=oJ6oEXQ5LSQsraOH3wxd4O/tvDPl4Afynh1Kp3SWfSUFQrnwIdHs0eoAxnjepwIP/II8T/Li lgpEaAlnzG+kI0ZgCVs0VqnrQ0h1b04Pf0t3jd85doT4nq8BrtuJTLwV16HNv5YVl8pBAkloDz0 0jfaFfkvzq0/nJmLNm61w+wipgWcoMM7ctt48f5hWKLN5hsjFhxwbb47XiD9kp1i3nYFoLrl5jK AoUjwvvDHTobmSOpNR/GuzIOe8eht0hBSi3beblh41SEEaUfvDva8y560quahSVDJhFfZoO2rDh DFf4gzvHQ84uzWJlqdpqqN0ed/xMzf5qj1F+iNq8ukHag== X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 5365014f21263c45; Wed, 04 Nov 2026 21:24:19 +0000 X-Mizu-Trace-ID: 5365014f21263c45 X-Migadu-Flow: FLOW_OUT Message-ID: Date: Wed, 4 Nov 2026 18:24:10 -0300 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: sm8550: Add missing CPU7 3.36GHz OPP To: nacht@dxdmail.cc, Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Aaron Kling , Dmitry Baryshkov Cc: Konrad Dybcio , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261104-sm8550-prime-3p36ghz-v1-1-c72630265379@dxdmail.cc> Content-Language: en-US From: Val Packett In-Reply-To: <20261104-sm8550-prime-3p36ghz-v1-1-c72630265379@dxdmail.cc> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/4/26 4:41 PM, Nizat Mikayilli via B4 Relay wrote: > From: Nizat Mikayilli > > The cpufreq LUT on the Samsung Galaxy Tab S9 Wi-Fi has a 3.36GHz boost > entry for CPU7 without a matching OPP, so the frequency is dropped: > > cpu cpu7: Voltage update failed freq=3360000 > cpu cpu7: failed to update OPP for freq=3360000 > > Fixes: 3f5dcc05cd33 ("arm64: dts: qcom: sm8550: add cpu OPP table with DDR, LLCC & L3 bandwidths") > Signed-off-by: Nizat Mikayilli > --- > arch/arm64/boot/dts/qcom/sm8550.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi > index 03f6d40edea7..ed6e34ac8d56 100644 > --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi > @@ -752,6 +752,11 @@ opp-3187200000 { > opp-hz = /bits/ 64 <3187200000>; > opp-peak-kBps = <(933000 * 16) (3686000 * 4) (1689600 * 32)>; > }; > + > + opp-3360000000 { > + opp-hz = /bits/ 64 <3360000000>; > + opp-peak-kBps = <(933000 * 16) (3686000 * 4) (1689600 * 32)>; > + }; > }; > > pmu-a510 { > This seems variant/speedbin dependent and does not apply to all sm8550. In fact a quick web search shows that your device has a "Snapdragon 8 Gen 2 for Galaxy" which is a customized chip for Smasnug. You should just add the OPP in your tablet's .dts I think. Thanks, ~val