Thread (27 messages) 27 messages, 6 authors, 2023-10-26

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

From: Peter Zijlstra <peterz@infradead.org>
Date: 2023-10-25 12:52:57
Also in: linux-acpi, linux-pm, linux-riscv, lkml

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@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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