On Thu, Nov 09, 2023 at 11:14:38AM +0100, Vincent Guittot wrote: > Use the new capacity_ref_freq to set the ratio that is used by AMU for > computing the arch_scale_freq_capacity(). > This helps to keep everything aligned using the same reference for > computing CPUs capacity. > > The default value of the ratio (stored in per_cpu(arch_max_freq_scale)) > ensures that arch_scale_freq_capacity() returns max capacity until it is > set to its correct value with the cpu capacity and capacity_ref_freq. > > Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx> > Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx> > --- > arch/arm64/kernel/topology.c | 26 +++++++++++++------------- > drivers/base/arch_topology.c | 12 +++++++++++- > include/linux/arch_topology.h | 1 + > 3 files changed, 25 insertions(+), 14 deletions(-) Acked-by: Will Deacon <will@xxxxxxxxxx> Will
