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cpufreq/amd-pstate: Fix setting scaling max/min freq values
[ Upstream commit 22fb4f041999f5f16ecbda15a2859b4ef4cbf47e ] Scaling min/max freq values were being cached and lagging a setting each time. Fix the ordering of the clamp call to ensure they work. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217931 Fixes: febab20caeba ("cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Wyes Karny <wkarny@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 4 deletions
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@ -1232,14 +1232,13 @@ static void amd_pstate_epp_update_limit(struct cpufreq_policy *policy)
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max_limit_perf = div_u64(policy->max * cpudata->highest_perf, cpudata->max_freq);
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min_limit_perf = div_u64(policy->min * cpudata->highest_perf, cpudata->max_freq);
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WRITE_ONCE(cpudata->max_limit_perf, max_limit_perf);
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WRITE_ONCE(cpudata->min_limit_perf, min_limit_perf);
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max_perf = clamp_t(unsigned long, max_perf, cpudata->min_limit_perf,
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cpudata->max_limit_perf);
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min_perf = clamp_t(unsigned long, min_perf, cpudata->min_limit_perf,
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cpudata->max_limit_perf);
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WRITE_ONCE(cpudata->max_limit_perf, max_limit_perf);
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WRITE_ONCE(cpudata->min_limit_perf, min_limit_perf);
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value = READ_ONCE(cpudata->cppc_req_cached);
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if (cpudata->policy == CPUFREQ_POLICY_PERFORMANCE)
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