55 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
61 	if (!pr)  in acpi_processor_get_platform_limit()
68 	status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);  in acpi_processor_get_platform_limit()
78 	pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,  in acpi_processor_get_platform_limit()
81 	pr->performance_platform_limit = (int)ppc;  in acpi_processor_get_platform_limit()
83 	if (ppc >= pr->performance->state_count ||  in acpi_processor_get_platform_limit()
84 	    unlikely(!freq_qos_request_active(&pr->perflib_req)))  in acpi_processor_get_platform_limit()
87 	ret = freq_qos_update_request(&pr->perflib_req,  in acpi_processor_get_platform_limit()
88 			pr->performance->states[ppc].core_frequency * 1000);  in acpi_processor_get_platform_limit()
91 			pr->id, ret);  in acpi_processor_get_platform_limit()
112 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)  in acpi_processor_ppc_has_changed()  argument
116 	if (ignore_ppc || !pr->performance) {  in acpi_processor_ppc_has_changed()
122 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
126 	ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_has_changed()
133 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
135 			acpi_processor_ppc_ost(pr->handle, 0);  in acpi_processor_ppc_has_changed()
138 		cpufreq_update_limits(pr->id);  in acpi_processor_ppc_has_changed()
143 	struct acpi_processor *pr;  in acpi_processor_get_bios_limit()  local
145 	pr = per_cpu(processors, cpu);  in acpi_processor_get_bios_limit()
146 	if (!pr || !pr->performance || !pr->performance->state_count)  in acpi_processor_get_bios_limit()
148 	*limit = pr->performance->states[pr->performance_platform_limit].  in acpi_processor_get_bios_limit()
165 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_init()  local
168 		if (!pr)  in acpi_processor_ppc_init()
172 					   &pr->perflib_req,  in acpi_processor_ppc_init()
185 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_exit()  local
187 		if (pr)  in acpi_processor_ppc_exit()
188 			freq_qos_remove_request(&pr->perflib_req);  in acpi_processor_ppc_exit()
192 static int acpi_processor_get_performance_control(struct acpi_processor *pr)  in acpi_processor_get_performance_control()  argument
201 	status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);  in acpi_processor_get_performance_control()
228 	memcpy(&pr->performance->control_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
245 	memcpy(&pr->performance->status_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
289 static int acpi_processor_get_performance_states(struct acpi_processor *pr)  in acpi_processor_get_performance_states()  argument
301 	status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);  in acpi_processor_get_performance_states()
317 	pr->performance->state_count = pss->package.count;  in acpi_processor_get_performance_states()
318 	pr->performance->states =  in acpi_processor_get_performance_states()
322 	if (!pr->performance->states) {  in acpi_processor_get_performance_states()
327 	for (i = 0; i < pr->performance->state_count; i++) {  in acpi_processor_get_performance_states()
329 		struct acpi_processor_px *px = &(pr->performance->states[i]);  in acpi_processor_get_performance_states()
341 			kfree(pr->performance->states);  in acpi_processor_get_performance_states()
364 			       pr->id, px->core_frequency);  in acpi_processor_get_performance_states()
372 				memcpy(&(pr->performance->states[last_invalid]),  in acpi_processor_get_performance_states()
381 		       "No valid BIOS _PSS frequency found for processor %d\n", pr->id);  in acpi_processor_get_performance_states()
383 		kfree(pr->performance->states);  in acpi_processor_get_performance_states()
384 		pr->performance->states = NULL;  in acpi_processor_get_performance_states()
388 		pr->performance->state_count = last_invalid;  in acpi_processor_get_performance_states()
396 int acpi_processor_get_performance_info(struct acpi_processor *pr)  in acpi_processor_get_performance_info()  argument
400 	if (!pr || !pr->performance || !pr->handle)  in acpi_processor_get_performance_info()
403 	if (!acpi_has_method(pr->handle, "_PCT")) {  in acpi_processor_get_performance_info()
409 	result = acpi_processor_get_performance_control(pr);  in acpi_processor_get_performance_info()
413 	result = acpi_processor_get_performance_states(pr);  in acpi_processor_get_performance_info()
419 		result = acpi_processor_get_platform_limit(pr);  in acpi_processor_get_performance_info()
429 	if (acpi_has_method(pr->handle, "_PPC")) {  in acpi_processor_get_performance_info()
580 	struct acpi_processor *pr;  in acpi_processor_preregister_performance()  local
595 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
596 		if (!pr) {  in acpi_processor_preregister_performance()
601 		if (pr->performance) {  in acpi_processor_preregister_performance()
614 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
615 		if (!pr)  in acpi_processor_preregister_performance()
618 		pr->performance = per_cpu_ptr(performance, i);  in acpi_processor_preregister_performance()
619 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
620 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
621 		if (acpi_processor_get_psd(pr->handle, pdomain)) {  in acpi_processor_preregister_performance()
634 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
635 		if (!pr)  in acpi_processor_preregister_performance()
641 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
642 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
650 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
652 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;  in acpi_processor_preregister_performance()
654 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;  in acpi_processor_preregister_performance()
681 			cpumask_set_cpu(j, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
697 					pr->performance->shared_type;  in acpi_processor_preregister_performance()
699 				     pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
705 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
706 		if (!pr || !pr->performance)  in acpi_processor_preregister_performance()
711 			cpumask_clear(pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
712 			cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
713 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
715 		pr->performance = NULL; /* Will be set for real in register */  in acpi_processor_preregister_performance()
729 	struct acpi_processor *pr;  in acpi_processor_register_performance()  local
736 	pr = per_cpu(processors, cpu);  in acpi_processor_register_performance()
737 	if (!pr) {  in acpi_processor_register_performance()
742 	if (pr->performance) {  in acpi_processor_register_performance()
749 	pr->performance = performance;  in acpi_processor_register_performance()
751 	if (acpi_processor_get_performance_info(pr)) {  in acpi_processor_register_performance()
752 		pr->performance = NULL;  in acpi_processor_register_performance()
765 	struct acpi_processor *pr;  in acpi_processor_unregister_performance()  local
769 	pr = per_cpu(processors, cpu);  in acpi_processor_unregister_performance()
770 	if (!pr) {  in acpi_processor_unregister_performance()
775 	if (pr->performance)  in acpi_processor_unregister_performance()
776 		kfree(pr->performance->states);  in acpi_processor_unregister_performance()
777 	pr->performance = NULL;  in acpi_processor_unregister_performance()