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cpufreq: amd_pstate: fix wrong lowest perf fetch
[ Upstream commit b185c5053c
]
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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
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commit
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1 changed files with 1 additions and 1 deletions
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@ -322,7 +322,7 @@ static int amd_pstate_target(struct cpufreq_policy *policy,
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return -ENODEV;
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cap_perf = READ_ONCE(cpudata->highest_perf);
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min_perf = READ_ONCE(cpudata->lowest_nonlinear_perf);
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min_perf = READ_ONCE(cpudata->lowest_perf);
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max_perf = cap_perf;
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freqs.old = policy->cur;
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