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cpufreq: amd-pstate: Document *_limit_* fields in struct amd_cpudata

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The four fields of struct cpudata namely min_limit_perf,
max_limit_perf, min_limit_freq, max_limit_freq introduced in the
commit febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and
scaling_max_freq update") are currently undocumented

Add comments describing these fields

Acked-by: Huang Rui <ray.huang@amd.com>
Fixes: febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update")
Reviewed-by: Li Meng <li.meng@amd.com>
Tested-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Gautham R. Shenoy
2024-04-25 16:07:51 +08:00
committed by Rafael J. Wysocki
parent b8f85833c0
commit b37ef7210e
1 changed files with 4 additions and 0 deletions
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4
include/linux/amd-pstate.h
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@@ -49,6 +49,10 @@ struct amd_aperf_mperf {
* @lowest_perf: the absolute lowest performance level of the processor
* @prefcore_ranking: the preferred core ranking, the higher value indicates a higher
* priority.
* @min_limit_perf: Cached value of the performance corresponding to policy->min
* @max_limit_perf: Cached value of the performance corresponding to policy->max
* @min_limit_freq: Cached value of policy->min
* @max_limit_freq: Cached value of policy->max
* @max_freq: the frequency that mapped to highest_perf
* @min_freq: the frequency that mapped to lowest_perf
* @nominal_freq: the frequency that mapped to nominal_perf