On Wed, Jun 12, 2024 at 06:10:56PM +0530, Sibi Sankar wrote:
> Enable cpufreq on X1E80100 SoCs through the SCMI perf protocol node.
>
> Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/x1e80100.dtsi | 63 ++++++++++++++++----------
> 1 file changed, 39 insertions(+), 24 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index 7b619db07694..d134dc4c7425 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -69,8 +69,8 @@ CPU0: cpu@0 {
> reg = <0x0 0x0>;
> enable-method = "psci";
> next-level-cache = <&L2_0>;
> - power-domains = <&CPU_PD0>;
> - power-domain-names = "psci";
> + power-domains = <&CPU_PD0>, <&scmi_dvfs 0>;
> + power-domain-names = "psci", "perf";
> cpu-idle-states = <&CLUSTER_C4>;
> + scmi {
> + compatible = "arm,scmi";
> + mboxes = <&cpucp_mbox 0>, <&cpucp_mbox 2>;
> + mbox-names = "tx", "rx";
> + shmem = <&cpu_scp_lpri0>, <&cpu_scp_lpri1>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + scmi_dvfs: protocol@13 {
> + reg = <0x13>;
> + #power-domain-cells = <1>;
> + };
> + };
> };
This series gives a nice performance boost on the x1e80100 CRD, but I'm
seeing a bunch of warnings and errors that need to be addressed:
[ 9.533053] arm-scmi firmware:scmi: Failed to get FC for protocol 13 [MSG_ID:6 / RES_ID:0] - ret:-95. Using regular messaging.
[ 9.549458] arm-scmi firmware:scmi: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16
[ 9.563925] arm-scmi firmware:scmi: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16
[ 9.572835] arm-scmi firmware:scmi: Failed to get FC for protocol 13 [MSG_ID:6 / RES_ID:1] - ret:-95. Using regular messaging.
[ 9.609471] arm-scmi firmware:scmi: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16
[ 9.633341] arm-scmi firmware:scmi: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16
[ 9.650000] arm-scmi firmware:scmi: Failed to get FC for protocol 13 [MSG_ID:6 / RES_ID:2] - ret:-95. Using regular messaging.
[ 9.727098] cpu cpu4: _opp_is_duplicate: duplicate OPPs detected. Existing: freq: 3417600000, volt: 0, enabled: 1. New: freq: 3417600000, volt: 0, enabled: 1
[ 9.737157] cpu cpu4: _opp_is_duplicate: duplicate OPPs detected. Existing: freq: 3417600000, volt: 0, enabled: 1. New: freq: 3417600000, volt: 0, enabled: 1
[ 9.875039] cpu cpu8: _opp_is_duplicate: duplicate OPPs detected. Existing: freq: 3417600000, volt: 0, enabled: 1. New: freq: 3417600000, volt: 0, enabled: 1
[ 9.888428] cpu cpu8: _opp_is_duplicate: duplicate OPPs detected. Existing: freq: 3417600000, volt: 0, enabled: 1. New: freq: 3417600000, volt: 0, enabled: 1
[ 9.913506] debugfs: Directory 'NCC' with parent 'pm_genpd' already present!
[ 9.922198] debugfs: Directory 'NCC' with parent 'pm_genpd' already present!
Johan
