drivers/cpufreq/intel_pstate.c

315 static struct global_params global;
1158 	policy->cpuinfo.max_freq = READ_ONCE(global.no_turbo) ?
1189 		return sprintf(buf, "%u\n", global.object);		\
1279 	ret = sprintf(buf, "%u\n", global.no_turbo);
1304 	if (no_turbo == global.no_turbo)
1307 	if (global.turbo_disabled) {
1313 	WRITE_ONCE(global.no_turbo, no_turbo);
1321 		/* Squash the global minimum into the permitted range. */
1322 		if (global.min_perf_pct > pct)
1323 			global.min_perf_pct = pct;
1361 			perf_pct = global.min_perf_pct;
1364 			perf_pct = global.max_perf_pct;
1393 	global.max_perf_pct = clamp_t(int, input, global.min_perf_pct, 100);
1426 	global.min_perf_pct = clamp_t(int, input,
1427 				      min_perf_pct_min(), global.max_perf_pct);
1543 	 * If per cpu limits are enforced there are no global limits, so
1764 	if (READ_ONCE(global.no_turbo) && !global.turbo_disabled)
1929 	if (READ_ONCE(global.no_turbo) && !global.turbo_disabled)
2227 	target = READ_ONCE(global.no_turbo) ?
2491 	return READ_ONCE(global.no_turbo) ?
2536 		global_max = DIV_ROUND_UP(turbo_max * global.max_perf_pct, 100);
2537 		global_min = DIV_ROUND_UP(turbo_max * global.min_perf_pct, 100);
2628 		max_freq = READ_ONCE(global.no_turbo) ?
2722 	policy->cpuinfo.max_freq = READ_ONCE(global.no_turbo) ?
2925 	cap_pstate = READ_ONCE(global.no_turbo) ?
3002 	freq = DIV_ROUND_UP(cpu->pstate.turbo_freq * global.min_perf_pct, 100);
3011 	freq = DIV_ROUND_UP(cpu->pstate.turbo_freq * global.max_perf_pct, 100);
3111 	memset(&global, 0, sizeof(global));
3112 	global.max_perf_pct = 100;
3113 	global.turbo_disabled = turbo_is_disabled();
3114 	global.no_turbo = global.turbo_disabled;
3116 	arch_set_max_freq_ratio(global.turbo_disabled);
3125 	global.min_perf_pct = min_perf_pct_min();