Re: [PATCH 2/2] arm64: dts: qcom: sm8750: Add BWMONs

From: Konrad Dybcio
Date: Fri Feb 07 2025 - 20:48:54 EST


On 16.01.2025 6:05 PM, Stephan Gerhold wrote:
> On Mon, Jan 13, 2025 at 01:08:18PM -0800, Melody Olvera wrote:
>> From: Shivnandan Kumar <quic_kshivnan@xxxxxxxxxxx>
>>
>> Add the CPU BWMONs for SM8750 SoCs.
>>
>> Signed-off-by: Shivnandan Kumar <quic_kshivnan@xxxxxxxxxxx>
>> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/qcom/sm8750.dtsi | 74 ++++++++++++++++++++++++++++++++++++
>> 1 file changed, 74 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
>> index 3bbd7d18598ee0a3a0d5130c03a3166e1fc14d82..09fe3149da1926b74a98280fe209ae7f423db864 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
>> @@ -2802,6 +2802,80 @@ rpmhpd_opp_super_turbo_no_cpr: opp-480 {
>> };
>> };
>>
>> + /* cluster0 */
>> + pmu@240b3400 {
>> + compatible = "qcom,sm8750-cpu-bwmon", "qcom,sdm845-bwmon";
>> + reg = <0x0 0x240b3400 0x0 0x600>;
>> +
>> + interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
>> +
>> + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
>> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
>
> The start of the interconnect path is QCOM_ICC_TAG_ACTIVE_ONLY, but the
> destination is QCOM_ICC_TAG_ALWAYS? This is strange. Interconnect used
> by the CPU should be QCOM_ICC_TAG_ACTIVE_ONLY.

I'm not sure if this is a question, but I second, both should be ACTIVE_ONLY

Konrad