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path: root/drivers/acpi/processor_idle.c
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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 72069ba5f1ed..10a2d913635a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
148 if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT)) 148 if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
149 return; 149 return;
150 150
151 if (boot_cpu_has(X86_FEATURE_AMDC1E))
152 type = ACPI_STATE_C1;
153
151 /* 154 /*
152 * Check, if one of the previous states already marked the lapic 155 * Check, if one of the previous states already marked the lapic
153 * unstable 156 * unstable
@@ -611,6 +614,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
611 switch (cx->type) { 614 switch (cx->type) {
612 case ACPI_STATE_C1: 615 case ACPI_STATE_C1:
613 cx->valid = 1; 616 cx->valid = 1;
617 acpi_timer_check_state(i, pr, cx);
614 break; 618 break;
615 619
616 case ACPI_STATE_C2: 620 case ACPI_STATE_C2:
@@ -830,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
830 834
831 /* Do not access any ACPI IO ports in suspend path */ 835 /* Do not access any ACPI IO ports in suspend path */
832 if (acpi_idle_suspend) { 836 if (acpi_idle_suspend) {
833 acpi_safe_halt();
834 local_irq_enable(); 837 local_irq_enable();
838 cpu_relax();
835 return 0; 839 return 0;
836 } 840 }
837 841
842 acpi_state_timer_broadcast(pr, cx, 1);
838 kt1 = ktime_get_real(); 843 kt1 = ktime_get_real();
839 acpi_idle_do_entry(cx); 844 acpi_idle_do_entry(cx);
840 kt2 = ktime_get_real(); 845 kt2 = ktime_get_real();
@@ -842,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
842 847
843 local_irq_enable(); 848 local_irq_enable();
844 cx->usage++; 849 cx->usage++;
850 acpi_state_timer_broadcast(pr, cx, 0);
845 851
846 return idle_time; 852 return idle_time;
847} 853}