52 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)  in acpi_processor_get_platform_limit()  argument
60 	if (!pr)  in acpi_processor_get_platform_limit()
67 	status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);  in acpi_processor_get_platform_limit()
72 			acpi_evaluation_failure_warn(pr->handle, "_PPC", status);  in acpi_processor_get_platform_limit()
79 	if (pr->performance_platform_limit == index ||  in acpi_processor_get_platform_limit()
80 	    ppc >= pr->performance->state_count)  in acpi_processor_get_platform_limit()
83 	pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,  in acpi_processor_get_platform_limit()
86 	pr->performance_platform_limit = index;  in acpi_processor_get_platform_limit()
88 	if (unlikely(!freq_qos_request_active(&pr->perflib_req)))  in acpi_processor_get_platform_limit()
98 		qos_value = pr->performance->states[index].core_frequency * 1000;  in acpi_processor_get_platform_limit()
100 	ret = freq_qos_update_request(&pr->perflib_req, qos_value);  in acpi_processor_get_platform_limit()
103 			pr->id, ret);  in acpi_processor_get_platform_limit()
124 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)  in acpi_processor_ppc_has_changed()  argument
128 	if (ignore_ppc || !pr->performance) {  in acpi_processor_ppc_has_changed()
134 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
138 	ret = acpi_processor_get_platform_limit(pr);  in acpi_processor_ppc_has_changed()
145 			acpi_processor_ppc_ost(pr->handle, 1);  in acpi_processor_ppc_has_changed()
147 			acpi_processor_ppc_ost(pr->handle, 0);  in acpi_processor_ppc_has_changed()
150 		cpufreq_update_limits(pr->id);  in acpi_processor_ppc_has_changed()
155 	struct acpi_processor *pr;  in acpi_processor_get_bios_limit()  local
157 	pr = per_cpu(processors, cpu);  in acpi_processor_get_bios_limit()
158 	if (!pr || !pr->performance || !pr->performance->state_count)  in acpi_processor_get_bios_limit()
161 	*limit = pr->performance->states[pr->performance_platform_limit].  in acpi_processor_get_bios_limit()
178 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_init()  local
181 		if (!pr)  in acpi_processor_ppc_init()
189 		pr->performance_platform_limit = 0;  in acpi_processor_ppc_init()
192 					   &pr->perflib_req, FREQ_QOS_MAX,  in acpi_processor_ppc_init()
205 		struct acpi_processor *pr = per_cpu(processors, cpu);  in acpi_processor_ppc_exit()  local
207 		if (pr)  in acpi_processor_ppc_exit()
208 			freq_qos_remove_request(&pr->perflib_req);  in acpi_processor_ppc_exit()
212 static int acpi_processor_get_performance_control(struct acpi_processor *pr)  in acpi_processor_get_performance_control()  argument
220 	status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);  in acpi_processor_get_performance_control()
222 		acpi_evaluation_failure_warn(pr->handle, "_PCT", status);  in acpi_processor_get_performance_control()
245 	memcpy(&pr->performance->control_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
261 	memcpy(&pr->performance->status_register, obj.buffer.pointer,  in acpi_processor_get_performance_control()
305 static int acpi_processor_get_performance_states(struct acpi_processor *pr)  in acpi_processor_get_performance_states()  argument
316 	status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);  in acpi_processor_get_performance_states()
318 		acpi_evaluation_failure_warn(pr->handle, "_PSS", status);  in acpi_processor_get_performance_states()
329 	acpi_handle_debug(pr->handle, "Found %d performance states\n",  in acpi_processor_get_performance_states()
332 	pr->performance->state_count = pss->package.count;  in acpi_processor_get_performance_states()
333 	pr->performance->states =  in acpi_processor_get_performance_states()
337 	if (!pr->performance->states) {  in acpi_processor_get_performance_states()
342 	for (i = 0; i < pr->performance->state_count; i++) {  in acpi_processor_get_performance_states()
344 		struct acpi_processor_px *px = &(pr->performance->states[i]);  in acpi_processor_get_performance_states()
349 		acpi_handle_debug(pr->handle, "Extracting state %d\n", i);  in acpi_processor_get_performance_states()
354 			acpi_handle_warn(pr->handle, "Invalid _PSS data: %s\n",  in acpi_processor_get_performance_states()
357 			kfree(pr->performance->states);  in acpi_processor_get_performance_states()
363 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_states()
379 			       pr->id, px->core_frequency);  in acpi_processor_get_performance_states()
387 				memcpy(&(pr->performance->states[last_invalid]),  in acpi_processor_get_performance_states()
396 			   "No valid BIOS _PSS frequency found for processor %d\n", pr->id);  in acpi_processor_get_performance_states()
398 		kfree(pr->performance->states);  in acpi_processor_get_performance_states()
399 		pr->performance->states = NULL;  in acpi_processor_get_performance_states()
403 		pr->performance->state_count = last_invalid;  in acpi_processor_get_performance_states()
411 int acpi_processor_get_performance_info(struct acpi_processor *pr)  in acpi_processor_get_performance_info()  argument
415 	if (!pr || !pr->performance || !pr->handle)  in acpi_processor_get_performance_info()
418 	if (!acpi_has_method(pr->handle, "_PCT")) {  in acpi_processor_get_performance_info()
419 		acpi_handle_debug(pr->handle,  in acpi_processor_get_performance_info()
424 	result = acpi_processor_get_performance_control(pr);  in acpi_processor_get_performance_info()
428 	result = acpi_processor_get_performance_states(pr);  in acpi_processor_get_performance_info()
434 		result = acpi_processor_get_platform_limit(pr);  in acpi_processor_get_performance_info()
444 	if (acpi_has_method(pr->handle, "_PPC")) {  in acpi_processor_get_performance_info()
592 	struct acpi_processor *pr;  in acpi_processor_preregister_performance()  local
604 	 * changing pr->performance if it has. Check input data as well.  in acpi_processor_preregister_performance()
607 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
608 		if (!pr) {  in acpi_processor_preregister_performance()
613 		if (pr->performance) {  in acpi_processor_preregister_performance()
626 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
627 		if (!pr)  in acpi_processor_preregister_performance()
630 		pr->performance = per_cpu_ptr(performance, i);  in acpi_processor_preregister_performance()
631 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
632 		if (acpi_processor_get_psd(pr->handle, pdomain)) {  in acpi_processor_preregister_performance()
645 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
646 		if (!pr)  in acpi_processor_preregister_performance()
652 		pdomain = &(pr->performance->domain_info);  in acpi_processor_preregister_performance()
653 		cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
661 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;  in acpi_processor_preregister_performance()
663 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;  in acpi_processor_preregister_performance()
665 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;  in acpi_processor_preregister_performance()
692 			cpumask_set_cpu(j, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
708 					pr->performance->shared_type;  in acpi_processor_preregister_performance()
710 				     pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
716 		pr = per_cpu(processors, i);  in acpi_processor_preregister_performance()
717 		if (!pr || !pr->performance)  in acpi_processor_preregister_performance()
722 			cpumask_clear(pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
723 			cpumask_set_cpu(i, pr->performance->shared_cpu_map);  in acpi_processor_preregister_performance()
724 			pr->performance->shared_type = CPUFREQ_SHARED_TYPE_NONE;  in acpi_processor_preregister_performance()
726 		pr->performance = NULL; /* Will be set for real in register */  in acpi_processor_preregister_performance()
739 	struct acpi_processor *pr;  in acpi_processor_register_performance()  local
746 	pr = per_cpu(processors, cpu);  in acpi_processor_register_performance()
747 	if (!pr) {  in acpi_processor_register_performance()
752 	if (pr->performance) {  in acpi_processor_register_performance()
759 	pr->performance = performance;  in acpi_processor_register_performance()
761 	if (acpi_processor_get_performance_info(pr)) {  in acpi_processor_register_performance()
762 		pr->performance = NULL;  in acpi_processor_register_performance()
774 	struct acpi_processor *pr;  in acpi_processor_unregister_performance()  local
778 	pr = per_cpu(processors, cpu);  in acpi_processor_unregister_performance()
779 	if (!pr)  in acpi_processor_unregister_performance()
782 	if (pr->performance)  in acpi_processor_unregister_performance()
783 		kfree(pr->performance->states);  in acpi_processor_unregister_performance()
785 	pr->performance = NULL;  in acpi_processor_unregister_performance()