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Message-ID: <f82e0517-0c96-06e5-81ac-c97ea2b8decb@linaro.org>
Date: Wed, 17 May 2023 15:28:56 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm8550: Add missing RPMhPD OPP
levels
On 17.05.2023 15:25, Konrad Dybcio wrote:
>
>
> On 17.05.2023 15:25, Dmitry Baryshkov wrote:
>> On Wed, 17 May 2023 at 16:20, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>>>
>>> We need more granularity for things like the GPU. Add the missing levels.
>>>
>>> This unfortunately requires some re-indexing, resulting in an ugly diff.
>>>
>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>>> ---
>>> arch/arm64/boot/dts/qcom/sm8550.dtsi | 36 ++++++++++++++++++++++++++++--------
>>> 1 file changed, 28 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
>>> index 6e9bad8f6f33..0c987dd4e4e5 100644
>>> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
>>> @@ -3616,35 +3616,55 @@ rpmhpd_opp_min_svs: opp2 {
>>> opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
>>> };
>>>
>>> - rpmhpd_opp_low_svs: opp3 {
>>> + rpmhpd_opp_lov_svs_d2: opp3 {
>>> + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D2>;
>>> + };
>>>
>>
>> Maybe we should stop using the indices for OPP entries and switch to
>> encoding levels instead?
> I think we should just retire this and register a hardcoded OPP table
> in the .c driver.
But then we don't have any required-opps to reference... yeah the nodes
should probably be renamed to opp-<levelvalue>
Konrad
>
> Konrad
>>
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