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Commit 7244cb62 authored by Dirk Brandewie's avatar Dirk Brandewie Committed by Rafael J. Wysocki
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intel_pstate: Correct calculation of min pstate value 



The minimum pstate is supposed to be a percentage of the maximum P
state available.  Calculate min using max pstate and not the
current max which may have been limited by the user

Signed-off-by: default avatarDirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent d253d2a5

drivers/cpufreq/intel_pstate.c

+3 −2
Original line number Diff line number Diff line
@@ -366,12 +366,13 @@ static int intel_pstate_turbo_pstate(void) 
static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max)

{

	int max_perf = cpu->pstate.turbo_pstate;

	int max_perf_adj;

	int min_perf;

	if (limits.no_turbo)

		max_perf = cpu->pstate.max_pstate;



	max_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf));

	*max = clamp_t(int, max_perf,

	max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf));

	*max = clamp_t(int, max_perf_adj,

			cpu->pstate.min_pstate, cpu->pstate.turbo_pstate);



	min_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.min_perf));