Messages in this thread | | | Date | Thu, 7 Jul 2022 11:46:59 +0100 | Subject | Re: [PATCH v2 0/4] Energy Model power in micro-Watts and SCMI v3.1 alignment | From | Lukasz Luba <> |
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Hi Rafael,
On 7/7/22 08:15, Lukasz Luba wrote: > Hi all, > > This is a patch set which changes Energy Model power values scale to > micro-Watts. It also upgrades the SCMI performance layer + scmi-cpufreq > driver to leverage the SCMI v3.1 spec and process micro-Watts power values > coming from FW. The higher precision in EM power field solves an issue > of a rounding error, which then can be misinterpreted as 'inefficient OPP'. > An example rounding issue calculation is present in patch 1/4 description. > > Changes: > v2 > - simplified 32bit checks for max number of CPUs preventing energy > estimation overflow > - added Reviewed-by and ACKs > v1 [1] > > Regards, > Lukasz Luba > > [1] https://lore.kernel.org/lkml/20220622145802.13032-1-lukasz.luba@arm.com/ > > Lukasz Luba (4): > PM: EM: convert power field to micro-Watts precision and align drivers > Documentation: EM: Switch to micro-Watts scale > firmware: arm_scmi: Get detailed power scale from perf > cpufreq: scmi: Support the power scale in micro-Watts in SCMI v3.1 > > Documentation/power/energy-model.rst | 14 +++---- > drivers/cpufreq/mediatek-cpufreq-hw.c | 7 ++-- > drivers/cpufreq/scmi-cpufreq.c | 15 +++++++- > drivers/firmware/arm_scmi/perf.c | 18 +++++---- > drivers/opp/of.c | 15 ++++---- > drivers/powercap/dtpm_cpu.c | 5 +-- > drivers/thermal/cpufreq_cooling.c | 13 ++++++- > drivers/thermal/devfreq_cooling.c | 19 ++++++++-- > include/linux/energy_model.h | 54 +++++++++++++++++++-------- > include/linux/scmi_protocol.h | 8 +++- > kernel/power/energy_model.c | 24 ++++++++---- > 11 files changed, 132 insertions(+), 60 deletions(-) >
I got ACKs (and on Reviewed-by) for this patch set. Could you take this via your PM tree, please?
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