diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 5eacd46a52..48177ed0a0 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -9098,29 +9098,21 @@ static void ppc_cpu_unrealizefn(DeviceState *dev, Error **errp)
 
 int ppc_get_compat_smt_threads(PowerPCCPU *cpu)
 {
-    int ret = smp_threads;
-    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
+    int ret = MIN(smp_threads, kvmppc_smt_threads());
 
     switch (cpu->cpu_version) {
     case CPU_POWERPC_LOGICAL_2_05:
-        ret = 2;
+        ret = MIN(ret, 2);
         break;
     case CPU_POWERPC_LOGICAL_2_06:
-        ret = 4;
+        ret = MIN(ret, 4);
         break;
     case CPU_POWERPC_LOGICAL_2_07:
-        ret = 8;
-        break;
-    default:
-        if (pcc->pcr_mask & PCR_COMPAT_2_06) {
-            ret = 4;
-        } else if (pcc->pcr_mask & PCR_COMPAT_2_05) {
-            ret = 2;
-        }
+        ret = MIN(ret, 8);
         break;
     }
 
-    return MIN(ret, smp_threads);
+    return ret;
 }
 
 int ppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)