Following sm8150/sm8250 update sdm845 capacity-dmips-mhz and
dynamic-power-coefficient based on the measurements [1], [2].
The energy model dynamic-power-coefficient values were calculated with
DPC = µW / MHz / V^2
for each OPP, and averaged across all OPPs within each cluster for the
final coefficient. Voltages were obtained from the qcom-cpufreq-hw
driver that reads voltages from the OSM LUT programmed into the SoC.
Normalized DMIPS/MHz capacity scale values for each CPU were calculated
from CoreMarks/MHz (CoreMark iterations per second per MHz), which
serves the same purpose. For each CPU, the final capacity-dmips-mhz
value is the C/MHz value of its maximum frequency normalized to
SCHED_CAPACITY_SCALE (1024) for the fastest CPU in the system.
For more details on measurement process see the commit message for the
commit 6aabed5526ee ("arm64: dts: qcom: sm8250: Add CPU capacities and
energy model").
[1] https://github.com/kdrag0n/freqbench
[2] https://github.com/kdrag0n/freqbench/tree/master/results/sdm845/main
Cc: Danny Lin <danny@xxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 41f4e46e1f85..f5932b49877d 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -200,8 +200,8 @@ CPU0: cpu@0 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_0
&LITTLE_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- capacity-dmips-mhz = <607>;
- dynamic-power-coefficient = <100>;
+ capacity-dmips-mhz = <611>;
+ dynamic-power-coefficient = <290>;
qcom,freq-domain = <&cpufreq_hw 0>;
operating-points-v2 = <&cpu0_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -225,8 +225,8 @@ CPU1: cpu@100 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_0
&LITTLE_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- capacity-dmips-mhz = <607>;
- dynamic-power-coefficient = <100>;
+ capacity-dmips-mhz = <611>;
+ dynamic-power-coefficient = <290>;
qcom,freq-domain = <&cpufreq_hw 0>;
operating-points-v2 = <&cpu0_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -247,8 +247,8 @@ CPU2: cpu@200 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_0
&LITTLE_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- capacity-dmips-mhz = <607>;
- dynamic-power-coefficient = <100>;
+ capacity-dmips-mhz = <611>;
+ dynamic-power-coefficient = <290>;
qcom,freq-domain = <&cpufreq_hw 0>;
operating-points-v2 = <&cpu0_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -269,8 +269,8 @@ CPU3: cpu@300 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_0
&LITTLE_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- capacity-dmips-mhz = <607>;
- dynamic-power-coefficient = <100>;
+ capacity-dmips-mhz = <611>;
+ dynamic-power-coefficient = <290>;
qcom,freq-domain = <&cpufreq_hw 0>;
operating-points-v2 = <&cpu0_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -292,7 +292,7 @@ CPU4: cpu@400 {
cpu-idle-states = <&BIG_CPU_SLEEP_0
&BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- dynamic-power-coefficient = <396>;
+ dynamic-power-coefficient = <442>;
qcom,freq-domain = <&cpufreq_hw 1>;
operating-points-v2 = <&cpu4_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -314,7 +314,7 @@ CPU5: cpu@500 {
cpu-idle-states = <&BIG_CPU_SLEEP_0
&BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- dynamic-power-coefficient = <396>;
+ dynamic-power-coefficient = <442>;
qcom,freq-domain = <&cpufreq_hw 1>;
operating-points-v2 = <&cpu4_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -336,7 +336,7 @@ CPU6: cpu@600 {
cpu-idle-states = <&BIG_CPU_SLEEP_0
&BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- dynamic-power-coefficient = <396>;
+ dynamic-power-coefficient = <442>;
qcom,freq-domain = <&cpufreq_hw 1>;
operating-points-v2 = <&cpu4_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
@@ -358,7 +358,7 @@ CPU7: cpu@700 {
cpu-idle-states = <&BIG_CPU_SLEEP_0
&BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
- dynamic-power-coefficient = <396>;
+ dynamic-power-coefficient = <442>;
qcom,freq-domain = <&cpufreq_hw 1>;
operating-points-v2 = <&cpu4_opp_table>;
interconnects = <&gladiator_noc MASTER_APPSS_PROC 3 &mem_noc SLAVE_EBI1 3>,
--
2.35.1
