diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index f896eed4516c7..1f5fe16484fac 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -102,7 +102,8 @@ static inline bool arch_has_acpi_pdc(void)
 {
 	struct cpuinfo_x86 *c = &cpu_data(0);
 	return (c->x86_vendor == X86_VENDOR_INTEL ||
-		c->x86_vendor == X86_VENDOR_CENTAUR);
+		c->x86_vendor == X86_VENDOR_CENTAUR ||
+		c->x86_vendor == X86_VENDOR_ZHAOXIN);
 }
 
 static inline void arch_acpi_set_proc_cap_bits(u32 *cap)
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 401808b47af3e..90f22148acc79 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -221,7 +221,9 @@ static int __init ffh_cstate_init(void)
 
 	if (c->x86_vendor != X86_VENDOR_INTEL &&
 	    c->x86_vendor != X86_VENDOR_AMD &&
-	    c->x86_vendor != X86_VENDOR_HYGON)
+	    c->x86_vendor != X86_VENDOR_HYGON &&
+	    c->x86_vendor != X86_VENDOR_CENTAUR &&
+	    c->x86_vendor != X86_VENDOR_ZHAOXIN)
 		return -1;
 
 	cpu_cstate_entry = alloc_percpu(struct cstate_entry);