Re: [PATCH v2] cpufreq/cppc: fix perf_to_khz/khz_to_perf conversion exception

[Viresh Kumar]

On 06-05-24, 15:58, liwei wrote:
> When the nominal_freq recorded by the kernel is equal to the lowest_freq,
> and the frequency adjustment operation is triggered externally, there is
> a logic error in cppc_perf_to_khz()/cppc_khz_to_perf(), resulting in perf
> and khz conversion errors.
> 
> Fix this by adding the branch processing logic when nominal_freq is equal
> to lowest_freq.
> 
> Fixes: ec1c7ad47664 ("cpufreq: CPPC: Fix performance/frequency conversion")
> Signed-off-by: liwei <liwei728@xxxxxxxxxx>
> ---
> v2:
>     - Fix similar issue in cppc_khz_to_perf()
> 
>  drivers/acpi/cppc_acpi.c | 22 +++++++++++++++++-----
>  1 file changed, 17 insertions(+), 5 deletions(-)

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

-- 
viresh