50 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
58 	if (!pr)  in acpi_processor_get_platform_limit()
65 	status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);  in acpi_processor_get_platform_limit()
70 			acpi_evaluation_failure_warn(pr->handle, "_PPC", status);  in acpi_processor_get_platform_limit()
77 	if (pr->performance_platform_limit == index ||  in acpi_processor_get_platform_limit()
78 	    ppc >= pr->performance->state_count)  in acpi_processor_get_platform_limit()
81 	pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,  in acpi_processor_get_platform_limit()
84 	pr->performance_platform_limit = index;  in acpi_processor_get_platform_limit()
86 	if (unlikely(!freq_qos_request_active(&pr->perflib_req)))  in acpi_processor_get_platform_limit()
96 		qos_value = pr->performance->states[index].core_frequency * 1000;  in acpi_processor_get_platform_limit()
98 	ret = freq_qos_update_request(&pr->perflib_req, qos_value);  in acpi_processor_get_platform_limit()
101 			pr->id, ret);  in acpi_processor_get_platform_limit()
122 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)  in acpi_processor_ppc_has_changed()  argument
126 	if (ignore_ppc || !pr->performance) {  in acpi_processor_ppc_has_changed()
132 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
136 	ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_has_changed()
143 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
145 			acpi_processor_ppc_ost(pr->handle, 0);  in acpi_processor_ppc_has_changed()
148 		cpufreq_update_limits(pr->id);  in acpi_processor_ppc_has_changed()
153 	struct acpi_processor *pr;  in acpi_processor_get_bios_limit()  local
155 	pr = per_cpu(processors, cpu);  in acpi_processor_get_bios_limit()
156 	if (!pr || !pr->performance || !pr->performance->state_count)  in acpi_processor_get_bios_limit()
159 	*limit = pr->performance->states[pr->performance_platform_limit].  in acpi_processor_get_bios_limit()
176 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_init()  local
179 		if (!pr)  in acpi_processor_ppc_init()
187 		pr->performance_platform_limit = 0;  in acpi_processor_ppc_init()
190 					   &pr->perflib_req, FREQ_QOS_MAX,  in acpi_processor_ppc_init()
203 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_exit()  local
205 		if (pr)  in acpi_processor_ppc_exit()
206 			freq_qos_remove_request(&pr->perflib_req);  in acpi_processor_ppc_exit()
214 static int acpi_processor_get_performance_control(struct acpi_processor *pr)  in acpi_processor_get_performance_control()  argument
222 	status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);  in acpi_processor_get_performance_control()
224 		acpi_evaluation_failure_warn(pr->handle, "_PCT", status);  in acpi_processor_get_performance_control()
247 	memcpy(&pr->performance->control_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
263 	memcpy(&pr->performance->status_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
303 static int acpi_processor_get_performance_states(struct acpi_processor *pr)  in acpi_processor_get_performance_states()  argument
314 	status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);  in acpi_processor_get_performance_states()
316 		acpi_evaluation_failure_warn(pr->handle, "_PSS", status);  in acpi_processor_get_performance_states()
327 	acpi_handle_debug(pr->handle, "Found %d performance states\n",  in acpi_processor_get_performance_states()
330 	pr->performance->state_count = pss->package.count;  in acpi_processor_get_performance_states()
331 	pr->performance->states =  in acpi_processor_get_performance_states()
335 	if (!pr->performance->states) {  in acpi_processor_get_performance_states()
340 	for (i = 0; i < pr->performance->state_count; i++) {  in acpi_processor_get_performance_states()
342 		struct acpi_processor_px *px = &(pr->performance->states[i]);  in acpi_processor_get_performance_states()
347 		acpi_handle_debug(pr->handle, "Extracting state %d\n", i);  in acpi_processor_get_performance_states()
352 			acpi_handle_warn(pr->handle, "Invalid _PSS data: %s\n",  in acpi_processor_get_performance_states()
355 			kfree(pr->performance->states);  in acpi_processor_get_performance_states()
361 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_states()
377 			       pr->id, px->core_frequency);  in acpi_processor_get_performance_states()
385 				memcpy(&(pr->performance->states[last_invalid]),  in acpi_processor_get_performance_states()
394 			   "No valid BIOS _PSS frequency found for processor %d\n", pr->id);  in acpi_processor_get_performance_states()
396 		kfree(pr->performance->states);  in acpi_processor_get_performance_states()
397 		pr->performance->states = NULL;  in acpi_processor_get_performance_states()
401 		pr->performance->state_count = last_invalid;  in acpi_processor_get_performance_states()
409 int acpi_processor_get_performance_info(struct acpi_processor *pr)  in acpi_processor_get_performance_info()  argument
413 	if (!pr || !pr->performance || !pr->handle)  in acpi_processor_get_performance_info()
416 	if (!acpi_has_method(pr->handle, "_PCT")) {  in acpi_processor_get_performance_info()
417 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_info()
422 	result = acpi_processor_get_performance_control(pr);  in acpi_processor_get_performance_info()
426 	result = acpi_processor_get_performance_states(pr);  in acpi_processor_get_performance_info()
432 		result = acpi_processor_get_platform_limit(pr);  in acpi_processor_get_performance_info()
441 	if (acpi_has_method(pr->handle, "_PPC")) {  in acpi_processor_get_performance_info()
588 	struct acpi_processor *pr;  in acpi_processor_preregister_performance()  local
600 	 * changing pr->performance if it has. Check input data as well.  in acpi_processor_preregister_performance()
603 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
604 		if (!pr) {  in acpi_processor_preregister_performance()
609 		if (pr->performance) {  in acpi_processor_preregister_performance()
622 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
623 		if (!pr)  in acpi_processor_preregister_performance()
626 		pr->performance = per_cpu_ptr(performance, i);  in acpi_processor_preregister_performance()
627 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
628 		if (acpi_processor_get_psd(pr->handle, pdomain)) {  in acpi_processor_preregister_performance()
641 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
642 		if (!pr)  in acpi_processor_preregister_performance()
648 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
649 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
657 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
659 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;  in acpi_processor_preregister_performance()
661 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;  in acpi_processor_preregister_performance()
688 			cpumask_set_cpu(j, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
704 					pr->performance->shared_type;  in acpi_processor_preregister_performance()
706 				     pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
712 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
713 		if (!pr || !pr->performance)  in acpi_processor_preregister_performance()
718 			cpumask_clear(pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
719 			cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
720 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_NONE;  in acpi_processor_preregister_performance()
722 		pr->performance = NULL; /* Will be set for real in register */  in acpi_processor_preregister_performance()
735 	struct acpi_processor *pr;  in acpi_processor_register_performance()  local
742 	pr = per_cpu(processors, cpu);  in acpi_processor_register_performance()
743 	if (!pr) {  in acpi_processor_register_performance()
748 	if (pr->performance) {  in acpi_processor_register_performance()
755 	pr->performance = performance;  in acpi_processor_register_performance()
757 	if (acpi_processor_get_performance_info(pr)) {  in acpi_processor_register_performance()
758 		pr->performance = NULL;  in acpi_processor_register_performance()
770 	struct acpi_processor *pr;  in acpi_processor_unregister_performance()  local
774 	pr = per_cpu(processors, cpu);  in acpi_processor_unregister_performance()
775 	if (!pr)  in acpi_processor_unregister_performance()
778 	if (pr->performance)  in acpi_processor_unregister_performance()
779 		kfree(pr->performance->states);  in acpi_processor_unregister_performance()
781 	pr->performance = NULL;  in acpi_processor_unregister_performance()