Messages in this thread Patch in this message | | | From | Perry Yuan <> | Subject | [PATCH v5 4/7] cpufreq: amd_pstate: fix wrong lowest perf fetch | Date | Mon, 15 Aug 2022 00:35:45 +0800 |
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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.
Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> 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 5cdef6638681..183cdd4ba00e 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -307,7 +307,7 @@ 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; -- 2.34.1
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