Re: [PATCH 7/8] arm64: dts: qcom: msm8996: Add MSM8996 Pro support

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On Fri, Oct 15 2021 at 23:01:54 +0400, Konrad Dybcio 
<konrad.dybcio@xxxxxxxxxxxxxx> wrote:
> 
> On 14.10.2021 10:32, Yassine Oudjana wrote:
>>  Add a new DTSI for MSM8996 Pro (MSM8996SG) with msm-id and CPU/GPU 
>> OPPs.
>>  CBF OPPs and CPR parameters will be added to it as well once 
>> support for
>>  CBF scaling and CPR is introduced.
>> 
>>  Signed-off-by: Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>
>>  ---
>>   arch/arm64/boot/dts/qcom/msm8996.dtsi    |  82 +++----
>>   arch/arm64/boot/dts/qcom/msm8996pro.dtsi | 281 
>> +++++++++++++++++++++++
>>   2 files changed, 322 insertions(+), 41 deletions(-)
>>   create mode 100644 arch/arm64/boot/dts/qcom/msm8996pro.dtsi
>> 
>>  diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi 
>> b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>>  index 94a846c3f1ee..5b2600a4fb2a 100644
>>  --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
>>  +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>>  @@ -142,82 +142,82 @@ cluster0_opp: opp_table0 {
>>   		/* Nominal fmax for now */
>>   		opp-307200000 {
>>   			opp-hz = /bits/ 64 <307200000>;
>>  -			opp-supported-hw = <0x77>;
>>  +			opp-supported-hw = <0x7>;
> 
> You didn't describe what's the reason for changing this everywhere.
> 
> If it's been always broken, perhaps make it a separate commit 
> describing
> 
> the issue.
> 
> 
> Konrad
> 

Before removing reading msm-id in qcom_cpufreq_nvmem, bits 0-2 (0x07) 
were MSM8996 speed bins, while bits 4-6 (0x70) were MSM8996 Pro speed 
bins. Now, only bits 0-2 are used for either one, so basically I moved 
bits 4-6 into msm8996pro.dtsi after shifting them right to become bits 
0-2.

I'll put this in a separate patch and describe the change.

	Yassine







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