lkml.org 
[lkml]   [2022]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 06/13] cpufreq: amd_pstate: fix wrong lowest perf fetch
On 12-07-22, 11:41, Perry Yuan wrote:
> Fix the wrong lowest perf value reading which is used for new
> des_perf calculation by governor requested, the incorrect min_perf will
> get incorrect des_perf to be set , that will cause the system frequency
> changing unexpectedly.
>
> Signed-off-by: Perry Yuan <Perry.Yuan@amd.com>
> Signed-off-by: Su Jinzhou <jinzhou.su@amd.com>
> ---
> drivers/cpufreq/amd-pstate.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index fc0de9fd643b..7c51f4125263 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -308,7 +308,7 @@ static int amd_pstate_target(struct cpufreq_policy *policy,
> return -ENODEV;
>
> cap_perf = READ_ONCE(cpudata->highest_perf);
> - min_perf = READ_ONCE(cpudata->lowest_nonlinear_perf);
> + min_perf = READ_ONCE(cpudata->lowest_perf);
> max_perf = cap_perf;
>
> freqs.old = policy->cur;

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

--
viresh

\
 
 \ /
  Last update: 2022-07-13 07:29    [W:0.269 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site