[PATCH v3 5/6] cpufreq/cppc: set the frequency used for computing the capacity

Peter Zijlstra peterz at infradead.org
Wed Oct 25 05:51:51 PDT 2023


On Wed, Oct 18, 2023 at 06:25:39PM +0200, Vincent Guittot wrote:
> Save the frequency associated to the performance that has been used when
> initializing the capacity of CPUs.
> Also, cppc cpufreq driver can register an artificial energy model. In such
> case, it needs the frequency for this compute capacity.
> We moved and renamed cppc_perf_to_khz and cppc_perf_to_khz to use them
> outside cppc_cpufreq in topology_init_cpu_capacity_cppc().
> 
> Signed-off-by: Vincent Guittot <vincent.guittot at linaro.org>
> ---
>  drivers/acpi/cppc_acpi.c       |  93 ++++++++++++++++++++++
>  drivers/base/arch_topology.c   |  15 +++-
>  drivers/cpufreq/cppc_cpufreq.c | 141 ++++++---------------------------
>  include/acpi/cppc_acpi.h       |   2 +
>  4 files changed, 133 insertions(+), 118 deletions(-)

Perhaps split this patch into code movement and actual change for ease
of review? As in, I'm having trouble finding the actual changes ;-)



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