51 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
59 	if (!pr)  in acpi_processor_get_platform_limit()
66 	status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);  in acpi_processor_get_platform_limit()
71 			acpi_evaluation_failure_warn(pr->handle, "_PPC", status);  in acpi_processor_get_platform_limit()
78 	if (pr->performance_platform_limit == index ||  in acpi_processor_get_platform_limit()
79 	    ppc >= pr->performance->state_count)  in acpi_processor_get_platform_limit()
82 	pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,  in acpi_processor_get_platform_limit()
85 	pr->performance_platform_limit = index;  in acpi_processor_get_platform_limit()
87 	if (unlikely(!freq_qos_request_active(&pr->perflib_req)))  in acpi_processor_get_platform_limit()
97 		qos_value = pr->performance->states[index].core_frequency * 1000;  in acpi_processor_get_platform_limit()
99 	ret = freq_qos_update_request(&pr->perflib_req, qos_value);  in acpi_processor_get_platform_limit()
102 			pr->id, ret);  in acpi_processor_get_platform_limit()
123 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)  in acpi_processor_ppc_has_changed()  argument
127 	if (ignore_ppc || !pr->performance) {  in acpi_processor_ppc_has_changed()
133 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
137 	ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_has_changed()
144 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
146 			acpi_processor_ppc_ost(pr->handle, 0);  in acpi_processor_ppc_has_changed()
149 		cpufreq_update_limits(pr->id);  in acpi_processor_ppc_has_changed()
154 	struct acpi_processor *pr;  in acpi_processor_get_bios_limit()  local
156 	pr = per_cpu(processors, cpu);  in acpi_processor_get_bios_limit()
157 	if (!pr || !pr->performance || !pr->performance->state_count)  in acpi_processor_get_bios_limit()
160 	*limit = pr->performance->states[pr->performance_platform_limit].  in acpi_processor_get_bios_limit()
180 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_init()  local
183 		if (!pr)  in acpi_processor_ppc_init()
191 		pr->performance_platform_limit = 0;  in acpi_processor_ppc_init()
194 					   &pr->perflib_req, FREQ_QOS_MAX,  in acpi_processor_ppc_init()
200 		if (!pr->performance)  in acpi_processor_ppc_init()
203 		ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_init()
215 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_exit()  local
217 		if (pr)  in acpi_processor_ppc_exit()
218 			freq_qos_remove_request(&pr->perflib_req);  in acpi_processor_ppc_exit()
226 static int acpi_processor_get_performance_control(struct acpi_processor *pr)  in acpi_processor_get_performance_control()  argument
234 	status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);  in acpi_processor_get_performance_control()
236 		acpi_evaluation_failure_warn(pr->handle, "_PCT", status);  in acpi_processor_get_performance_control()
259 	memcpy(&pr->performance->control_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
275 	memcpy(&pr->performance->status_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
315 static int acpi_processor_get_performance_states(struct acpi_processor *pr)  in acpi_processor_get_performance_states()  argument
326 	status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);  in acpi_processor_get_performance_states()
328 		acpi_evaluation_failure_warn(pr->handle, "_PSS", status);  in acpi_processor_get_performance_states()
339 	acpi_handle_debug(pr->handle, "Found %d performance states\n",  in acpi_processor_get_performance_states()
342 	pr->performance->state_count = pss->package.count;  in acpi_processor_get_performance_states()
343 	pr->performance->states =  in acpi_processor_get_performance_states()
347 	if (!pr->performance->states) {  in acpi_processor_get_performance_states()
352 	for (i = 0; i < pr->performance->state_count; i++) {  in acpi_processor_get_performance_states()
354 		struct acpi_processor_px *px = &(pr->performance->states[i]);  in acpi_processor_get_performance_states()
359 		acpi_handle_debug(pr->handle, "Extracting state %d\n", i);  in acpi_processor_get_performance_states()
364 			acpi_handle_warn(pr->handle, "Invalid _PSS data: %s\n",  in acpi_processor_get_performance_states()
367 			kfree(pr->performance->states);  in acpi_processor_get_performance_states()
373 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_states()
389 			       pr->id, px->core_frequency);  in acpi_processor_get_performance_states()
397 				memcpy(&(pr->performance->states[last_invalid]),  in acpi_processor_get_performance_states()
406 			   "No valid BIOS _PSS frequency found for processor %d\n", pr->id);  in acpi_processor_get_performance_states()
408 		kfree(pr->performance->states);  in acpi_processor_get_performance_states()
409 		pr->performance->states = NULL;  in acpi_processor_get_performance_states()
413 		pr->performance->state_count = last_invalid;  in acpi_processor_get_performance_states()
421 int acpi_processor_get_performance_info(struct acpi_processor *pr)  in acpi_processor_get_performance_info()  argument
425 	if (!pr || !pr->performance || !pr->handle)  in acpi_processor_get_performance_info()
428 	if (!acpi_has_method(pr->handle, "_PCT")) {  in acpi_processor_get_performance_info()
429 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_info()
434 	result = acpi_processor_get_performance_control(pr);  in acpi_processor_get_performance_info()
438 	result = acpi_processor_get_performance_states(pr);  in acpi_processor_get_performance_info()
444 		result = acpi_processor_get_platform_limit(pr);  in acpi_processor_get_performance_info()
453 	if (acpi_has_method(pr->handle, "_PPC")) {  in acpi_processor_get_performance_info()
600 	struct acpi_processor *pr;  in acpi_processor_preregister_performance()  local
612 	 * changing pr->performance if it has. Check input data as well.  in acpi_processor_preregister_performance()
615 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
616 		if (!pr) {  in acpi_processor_preregister_performance()
621 		if (pr->performance) {  in acpi_processor_preregister_performance()
634 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
635 		if (!pr)  in acpi_processor_preregister_performance()
638 		pr->performance = per_cpu_ptr(performance, i);  in acpi_processor_preregister_performance()
639 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
640 		if (acpi_processor_get_psd(pr->handle, pdomain)) {  in acpi_processor_preregister_performance()
653 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
654 		if (!pr)  in acpi_processor_preregister_performance()
660 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
661 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
669 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
671 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;  in acpi_processor_preregister_performance()
673 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;  in acpi_processor_preregister_performance()
700 			cpumask_set_cpu(j, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
716 					pr->performance->shared_type;  in acpi_processor_preregister_performance()
718 				     pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
724 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
725 		if (!pr || !pr->performance)  in acpi_processor_preregister_performance()
730 			cpumask_clear(pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
731 			cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
732 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_NONE;  in acpi_processor_preregister_performance()
734 		pr->performance = NULL; /* Will be set for real in register */  in acpi_processor_preregister_performance()
747 	struct acpi_processor *pr;  in acpi_processor_register_performance()  local
754 	pr = per_cpu(processors, cpu);  in acpi_processor_register_performance()
755 	if (!pr) {  in acpi_processor_register_performance()
760 	if (pr->performance) {  in acpi_processor_register_performance()
767 	pr->performance = performance;  in acpi_processor_register_performance()
769 	if (acpi_processor_get_performance_info(pr)) {  in acpi_processor_register_performance()
770 		pr->performance = NULL;  in acpi_processor_register_performance()
782 	struct acpi_processor *pr;  in acpi_processor_unregister_performance()  local
786 	pr = per_cpu(processors, cpu);  in acpi_processor_unregister_performance()
787 	if (!pr)  in acpi_processor_unregister_performance()
790 	if (pr->performance)  in acpi_processor_unregister_performance()
791 		kfree(pr->performance->states);  in acpi_processor_unregister_performance()
793 	pr->performance = NULL;  in acpi_processor_unregister_performance()