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| author |   Perry Yuan <Perry.Yuan@amd.com> | 2022-08-15 00:35:45 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-08-31 21:05:37 +0200 |
| commit | b185c5053c65b7704ead4537e4d4d9b33dc398dc (patch) | |
| tree | 0d3b0a51be11b2317856221acc63e348e73d6430 /drivers/cpufreq/amd-pstate.c | |
| parent | cpufreq: amd-pstate: fix white-space (diff) | |
| download | linux-dev-b185c5053c65b7704ead4537e4d4d9b33dc398dc.tar.xz linux-dev-b185c5053c65b7704ead4537e4d4d9b33dc398dc.zip | |
cpufreq: amd_pstate: fix wrong lowest perf fetch
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>
Diffstat (limited to 'drivers/cpufreq/amd-pstate.c')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index ec02929aaa98..a47a1a2fdd06 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; |