linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8650: Add ACD levels for GPU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <63da4872-2365-40eb-9b2e-d3393ddd9b68@oss.qualcomm.com>
Date: Wed, 30 Jul 2025 12:00:57 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8650: Add ACD levels for GPU

On 7/29/25 4:40 PM, Neil Armstrong wrote:
> Update GPU node to include acd level values.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8650.dtsi | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 495ea9bfd008500dd2c9f46ceca94cf5f972beca..4cd933219ce008bd1c603c87778e210b6332e29c 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -4127,72 +4127,84 @@ zap-shader {
>  
>  			/* Speedbin needs more work on A740+, keep only lower freqs */
>  			gpu_opp_table: opp-table {
> -				compatible = "operating-points-v2";
> +				compatible = "operating-points-v2-adreno",
> +					     "operating-points-v2";
>  
>  				opp-231000000 {
>  					opp-hz = /bits/ 64 <231000000>;
>  					opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D2>;
>  					opp-peak-kBps = <2136718>;
> +					qcom,opp-acd-level = <0xc82f5ffd>;
>  				};
>  
>  				opp-310000000 {
>  					opp-hz = /bits/ 64 <310000000>;
>  					opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D1>;
>  					opp-peak-kBps = <2136718>;
> +					qcom,opp-acd-level = <0xc82c5ffd>;
>  				};

https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/graphics-devicetree/-/blob/gfx-devicetree-oss.lnx.1.0.r1-rel/gpu/pineapple-v2-gpu-pwrlevels.dtsi?ref_type=heads

doesn't set ACD for D1/D2

>  
>  				opp-366000000 {
>  					opp-hz = /bits/ 64 <366000000>;
>  					opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D0>;
>  					opp-peak-kBps = <6074218>;
> +					qcom,opp-acd-level = <0xc02e5ffd>;

And other values differ too

What release did you grab these from?

Konrad