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Message-ID: <YPWlXRDsU59LZsVb@yoga>
Date: Mon, 19 Jul 2021 11:16:29 -0500
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Thara Gopinath <thara.gopinath@...aro.org>
Cc: agross@...nel.org, robh+dt@...nel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: boot: dts: qcom: sm8150: Add CPU opp tables
On Wed 14 Jul 13:26 CDT 2021, Thara Gopinath wrote:
> Add OPP tables to scale DDR and L3 with CPUs for SM8150 SoCs.
> This gives a significant performance boost for cpu-ddr loads.
> Below is the results for mbw benchmark with and without the opp tables.
>
> /mbw 1500
> Without l3/ddr scaling With l3 ddr/scaling
> MEMCPY(MiB/s) 3574 10448
> DUMB(MiB/s) 3500 11721
> MCBLOCK(MiB/s) 8976 23595
>
Nice!
Took the liberty of dropping "boot: " from $subject before applying the
patch.
Thanks,
Bjorn
> Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 315 +++++++++++++++++++++++++++
> 1 file changed, 315 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index 51235a9521c2..298984423356 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -12,6 +12,7 @@
> #include <dt-bindings/clock/qcom,gcc-sm8150.h>
> #include <dt-bindings/clock/qcom,gpucc-sm8150.h>
> #include <dt-bindings/interconnect/qcom,osm-l3.h>
> +#include <dt-bindings/interconnect/qcom,sm8150.h>
> #include <dt-bindings/thermal/thermal.h>
>
> / {
> @@ -51,6 +52,9 @@ CPU0: cpu@0 {
> dynamic-power-coefficient = <232>;
> next-level-cache = <&L2_0>;
> qcom,freq-domain = <&cpufreq_hw 0>;
> + operating-points-v2 = <&cpu0_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD0>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -72,6 +76,9 @@ CPU1: cpu@100 {
> dynamic-power-coefficient = <232>;
> next-level-cache = <&L2_100>;
> qcom,freq-domain = <&cpufreq_hw 0>;
> + operating-points-v2 = <&cpu0_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD1>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -91,6 +98,9 @@ CPU2: cpu@200 {
> dynamic-power-coefficient = <232>;
> next-level-cache = <&L2_200>;
> qcom,freq-domain = <&cpufreq_hw 0>;
> + operating-points-v2 = <&cpu0_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD2>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -109,6 +119,9 @@ CPU3: cpu@300 {
> dynamic-power-coefficient = <232>;
> next-level-cache = <&L2_300>;
> qcom,freq-domain = <&cpufreq_hw 0>;
> + operating-points-v2 = <&cpu0_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD3>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -127,6 +140,9 @@ CPU4: cpu@400 {
> dynamic-power-coefficient = <369>;
> next-level-cache = <&L2_400>;
> qcom,freq-domain = <&cpufreq_hw 1>;
> + operating-points-v2 = <&cpu4_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD4>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -145,6 +161,9 @@ CPU5: cpu@500 {
> dynamic-power-coefficient = <369>;
> next-level-cache = <&L2_500>;
> qcom,freq-domain = <&cpufreq_hw 1>;
> + operating-points-v2 = <&cpu4_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD5>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -163,6 +182,9 @@ CPU6: cpu@600 {
> dynamic-power-coefficient = <369>;
> next-level-cache = <&L2_600>;
> qcom,freq-domain = <&cpufreq_hw 1>;
> + operating-points-v2 = <&cpu4_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD6>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -181,6 +203,9 @@ CPU7: cpu@700 {
> dynamic-power-coefficient = <421>;
> next-level-cache = <&L2_700>;
> qcom,freq-domain = <&cpufreq_hw 2>;
> + operating-points-v2 = <&cpu7_opp_table>;
> + interconnects = <&gem_noc MASTER_AMPSS_M0 &mc_virt SLAVE_EBI_CH0>,
> + <&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
> power-domains = <&CPU_PD7>;
> power-domain-names = "psci";
> #cooling-cells = <2>;
> @@ -263,6 +288,296 @@ CLUSTER_SLEEP_0: cluster-sleep-0 {
> };
> };
>
> + cpu0_opp_table: cpu0_opp_table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + cpu0_opp1: opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + opp-peak-kBps = <800000 9600000>;
> + };
> +
> + cpu0_opp2: opp-403200000 {
> + opp-hz = /bits/ 64 <403200000>;
> + opp-peak-kBps = <800000 9600000>;
> + };
> +
> + cpu0_opp3: opp-499200000 {
> + opp-hz = /bits/ 64 <499200000>;
> + opp-peak-kBps = <800000 12902400>;
> + };
> +
> + cpu0_opp4: opp-576000000 {
> + opp-hz = /bits/ 64 <576000000>;
> + opp-peak-kBps = <800000 12902400>;
> + };
> +
> + cpu0_opp5: opp-672000000 {
> + opp-hz = /bits/ 64 <672000000>;
> + opp-peak-kBps = <800000 15974400>;
> + };
> +
> + cpu0_opp6: opp-768000000 {
> + opp-hz = /bits/ 64 <576000000>;
> + opp-peak-kBps = <1804000 19660800>;
> + };
> +
> + cpu0_opp7: opp-844800000 {
> + opp-hz = /bits/ 64 <844800000>;
> + opp-peak-kBps = <1804000 19660800>;
> + };
> +
> + cpu0_opp8: opp-940800000 {
> + opp-hz = /bits/ 64 <940800000>;
> + opp-peak-kBps = <1804000 22732800>;
> + };
> +
> + cpu0_opp9: opp-1036800000 {
> + opp-hz = /bits/ 64 <1036800000>;
> + opp-peak-kBps = <1804000 22732800>;
> + };
> +
> + cpu0_opp10: opp-1113600000 {
> + opp-hz = /bits/ 64 <1113600000>;
> + opp-peak-kBps = <2188000 25804800>;
> + };
> +
> + cpu0_opp11: opp-1209600000 {
> + opp-hz = /bits/ 64 <1209600000>;
> + opp-peak-kBps = <2188000 31948800>;
> + };
> +
> + cpu0_opp12: opp-1305600000 {
> + opp-hz = /bits/ 64 <1305600000>;
> + opp-peak-kBps = <3072000 31948800>;
> + };
> +
> + cpu0_opp13: opp-1382400000 {
> + opp-hz = /bits/ 64 <1382400000>;
> + opp-peak-kBps = <3072000 31948800>;
> + };
> +
> + cpu0_opp14: opp-1478400000 {
> + opp-hz = /bits/ 64 <1478400000>;
> + opp-peak-kBps = <3072000 31948800>;
> + };
> +
> + cpu0_opp15: opp-1555200000 {
> + opp-hz = /bits/ 64 <1555200000>;
> + opp-peak-kBps = <3072000 40550400>;
> + };
> +
> + cpu0_opp16: opp-1632000000 {
> + opp-hz = /bits/ 64 <1632000000>;
> + opp-peak-kBps = <3072000 40550400>;
> + };
> +
> + cpu0_opp17: opp-1708800000 {
> + opp-hz = /bits/ 64 <1708800000>;
> + opp-peak-kBps = <3072000 43008000>;
> + };
> +
> + cpu0_opp18: opp-1785600000 {
> + opp-hz = /bits/ 64 <1785600000>;
> + opp-peak-kBps = <3072000 43008000>;
> + };
> + };
> +
> + cpu4_opp_table: cpu4_opp_table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + cpu4_opp1: opp-710400000 {
> + opp-hz = /bits/ 64 <710400000>;
> + opp-peak-kBps = <1804000 15974400>;
> + };
> +
> + cpu4_opp2: opp-825600000 {
> + opp-hz = /bits/ 64 <825600000>;
> + opp-peak-kBps = <2188000 19660800>;
> + };
> +
> + cpu4_opp3: opp-940800000 {
> + opp-hz = /bits/ 64 <940800000>;
> + opp-peak-kBps = <2188000 22732800>;
> + };
> +
> + cpu4_opp4: opp-1056000000 {
> + opp-hz = /bits/ 64 <1056000000>;
> + opp-peak-kBps = <3072000 25804800>;
> + };
> +
> + cpu4_opp5: opp-1171200000 {
> + opp-hz = /bits/ 64 <1171200000>;
> + opp-peak-kBps = <3072000 31948800>;
> + };
> +
> + cpu4_opp6: opp-1286400000 {
> + opp-hz = /bits/ 64 <1286400000>;
> + opp-peak-kBps = <4068000 31948800>;
> + };
> +
> + cpu4_opp7: opp-1401600000 {
> + opp-hz = /bits/ 64 <1401600000>;
> + opp-peak-kBps = <4068000 31948800>;
> + };
> +
> + cpu4_opp8: opp-1497600000 {
> + opp-hz = /bits/ 64 <1497600000>;
> + opp-peak-kBps = <4068000 40550400>;
> + };
> +
> + cpu4_opp9: opp-1612800000 {
> + opp-hz = /bits/ 64 <1612800000>;
> + opp-peak-kBps = <4068000 40550400>;
> + };
> +
> + cpu4_opp10: opp-1708800000 {
> + opp-hz = /bits/ 64 <1708800000>;
> + opp-peak-kBps = <4068000 43008000>;
> + };
> +
> + cpu4_opp11: opp-1804800000 {
> + opp-hz = /bits/ 64 <1804800000>;
> + opp-peak-kBps = <6220000 43008000>;
> + };
> +
> + cpu4_opp12: opp-1920000000 {
> + opp-hz = /bits/ 64 <1920000000>;
> + opp-peak-kBps = <6220000 49152000>;
> + };
> +
> + cpu4_opp13: opp-2016000000 {
> + opp-hz = /bits/ 64 <2016000000>;
> + opp-peak-kBps = <7216000 49152000>;
> + };
> +
> + cpu4_opp14: opp-2131200000 {
> + opp-hz = /bits/ 64 <2131200000>;
> + opp-peak-kBps = <8368000 49152000>;
> + };
> +
> + cpu4_opp15: opp-2227200000 {
> + opp-hz = /bits/ 64 <2227200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu4_opp16: opp-2323200000 {
> + opp-hz = /bits/ 64 <2323200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu4_opp17: opp-2419200000 {
> + opp-hz = /bits/ 64 <2419200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> + };
> +
> + cpu7_opp_table: cpu7_opp_table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + cpu7_opp1: opp-825600000 {
> + opp-hz = /bits/ 64 <825600000>;
> + opp-peak-kBps = <2188000 19660800>;
> + };
> +
> + cpu7_opp2: opp-940800000 {
> + opp-hz = /bits/ 64 <940800000>;
> + opp-peak-kBps = <2188000 22732800>;
> + };
> +
> + cpu7_opp3: opp-1056000000 {
> + opp-hz = /bits/ 64 <1056000000>;
> + opp-peak-kBps = <3072000 25804800>;
> + };
> +
> + cpu7_opp4: opp-1171200000 {
> + opp-hz = /bits/ 64 <1171200000>;
> + opp-peak-kBps = <3072000 31948800>;
> + };
> +
> + cpu7_opp5: opp-1286400000 {
> + opp-hz = /bits/ 64 <1286400000>;
> + opp-peak-kBps = <4068000 31948800>;
> + };
> +
> + cpu7_opp6: opp-1401600000 {
> + opp-hz = /bits/ 64 <1401600000>;
> + opp-peak-kBps = <4068000 31948800>;
> + };
> +
> + cpu7_opp7: opp-1497600000 {
> + opp-hz = /bits/ 64 <1497600000>;
> + opp-peak-kBps = <4068000 40550400>;
> + };
> +
> + cpu7_opp8: opp-1612800000 {
> + opp-hz = /bits/ 64 <1612800000>;
> + opp-peak-kBps = <4068000 40550400>;
> + };
> +
> + cpu7_opp9: opp-1708800000 {
> + opp-hz = /bits/ 64 <1708800000>;
> + opp-peak-kBps = <4068000 43008000>;
> + };
> +
> + cpu7_opp10: opp-1804800000 {
> + opp-hz = /bits/ 64 <1804800000>;
> + opp-peak-kBps = <6220000 43008000>;
> + };
> +
> + cpu7_opp11: opp-1920000000 {
> + opp-hz = /bits/ 64 <1920000000>;
> + opp-peak-kBps = <6220000 49152000>;
> + };
> +
> + cpu7_opp12: opp-2016000000 {
> + opp-hz = /bits/ 64 <2016000000>;
> + opp-peak-kBps = <7216000 49152000>;
> + };
> +
> + cpu7_opp13: opp-2131200000 {
> + opp-hz = /bits/ 64 <2131200000>;
> + opp-peak-kBps = <8368000 49152000>;
> + };
> +
> + cpu7_opp14: opp-2227200000 {
> + opp-hz = /bits/ 64 <2227200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp15: opp-2323200000 {
> + opp-hz = /bits/ 64 <2323200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp16: opp-2419200000 {
> + opp-hz = /bits/ 64 <2419200000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp17: opp-2534400000 {
> + opp-hz = /bits/ 64 <2534400000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp18: opp-2649600000 {
> + opp-hz = /bits/ 64 <2649600000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp19: opp-2745600000 {
> + opp-hz = /bits/ 64 <2745600000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> +
> + cpu7_opp20: opp-2841600000 {
> + opp-hz = /bits/ 64 <2841600000>;
> + opp-peak-kBps = <8368000 51609600>;
> + };
> + };
> +
> firmware {
> scm: scm {
> compatible = "qcom,scm-sm8150", "qcom,scm";
> --
> 2.25.1
>
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