From: Perry Yuan <Perry.Yuan@xxxxxxx> [ Upstream commit b185c5053c65b7704ead4537e4d4d9b33dc398dc ] 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@xxxxxxx> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> Signed-off-by: Perry Yuan <Perry.Yuan@xxxxxxx> Signed-off-by: Su Jinzhou <jinzhou.su@xxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 9ac75c1cde9c..dd0eeb8589a1 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -312,7 +312,7 @@ 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; -- 2.35.1
