diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 093675b1a1ff..b0e7817cb97f 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -1365,6 +1365,132 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
 }
 EXPORT_SYMBOL_GPL(cppc_get_perf_ctrs);
 
+/**
+ * cppc_get_epp_caps - Get the energy preference register value.
+ * @cpunum: CPU from which to get epp preference level.
+ * @perf_caps: Return address.
+ *
+ * Return: 0 for success, -EIO otherwise.
+ */
+int cppc_get_epp_caps(int cpunum, struct cppc_perf_caps *perf_caps)
+{
+	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
+	struct cpc_register_resource *energy_perf_reg;
+	u64 energy_perf;
+
+	if (!cpc_desc) {
+		pr_warn("No CPC descriptor for CPU:%d\n", cpunum);
+		return -ENODEV;
+	}
+
+	energy_perf_reg = &cpc_desc->cpc_regs[ENERGY_PERF];
+
+	if (!CPC_SUPPORTED(energy_perf_reg))
+		pr_warn("energy perf reg update is unsupported!\n");
+
+	if (CPC_IN_PCC(energy_perf_reg)) {
+		int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
+		struct cppc_pcc_data *pcc_ss_data = NULL;
+		int ret = 0;
+
+		if (pcc_ss_id < 0)
+			return -EIO;
+
+		pcc_ss_data = pcc_data[pcc_ss_id];
+
+		down_write(&pcc_ss_data->pcc_lock);
+
+		if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0) {
+			cpc_read(cpunum, energy_perf_reg, &energy_perf);
+			perf_caps->energy_perf = energy_perf;
+		} else {
+			ret = -EIO;
+		}
+
+		up_write(&pcc_ss_data->pcc_lock);
+
+		return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(cppc_get_epp_caps);
+
+int cppc_set_auto_epp(int cpu, bool enable)
+{
+	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
+	struct cpc_register_resource *auto_sel_reg;
+	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
+	struct cppc_pcc_data *pcc_ss_data = NULL;
+	int ret = -EINVAL;
+
+	if (!cpc_desc) {
+		pr_warn("No CPC descriptor for CPU:%d\n", cpu);
+		return -EINVAL;
+	}
+
+	auto_sel_reg = &cpc_desc->cpc_regs[AUTO_SEL_ENABLE];
+
+	if (CPC_IN_PCC(auto_sel_reg)) {
+		if (pcc_ss_id < 0)
+			return -EIO;
+
+		ret = cpc_write(cpu, auto_sel_reg, enable);
+		if (ret)
+			return ret;
+
+		pcc_ss_data = pcc_data[pcc_ss_id];
+
+		down_write(&pcc_ss_data->pcc_lock);
+		/* after writing CPC, transfer the ownership of PCC to platform */
+		ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
+		up_write(&pcc_ss_data->pcc_lock);
+		return ret;
+	}
+
+	return cpc_write(cpu, auto_sel_reg, enable);
+}
+EXPORT_SYMBOL_GPL(cppc_set_auto_epp);
+
+/*
+ * Set Energy Performance Preference Register value through
+ * Performance Controls Interface
+ */
+int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
+{
+	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
+	struct cpc_register_resource *epp_set_reg;
+	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
+	struct cppc_pcc_data *pcc_ss_data = NULL;
+	int ret = -EINVAL;
+
+	if (!cpc_desc) {
+		pr_warn("No CPC descriptor for CPU:%d\n", cpu);
+		return -EINVAL;
+	}
+
+	epp_set_reg = &cpc_desc->cpc_regs[ENERGY_PERF];
+
+	if (CPC_IN_PCC(epp_set_reg)) {
+		if (pcc_ss_id < 0)
+			return -EIO;
+
+		ret = cpc_write(cpu, epp_set_reg, perf_ctrls->energy_perf);
+		if (ret)
+			return ret;
+
+		pcc_ss_data = pcc_data[pcc_ss_id];
+
+		down_write(&pcc_ss_data->pcc_lock);
+		/* after writing CPC, transfer the ownership of PCC to platform */
+		ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
+		up_write(&pcc_ss_data->pcc_lock);
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cppc_set_epp_perf);
+
 /**
  * cppc_set_enable - Set to enable CPPC on the processor by writing the
  * Continuous Performance Control package EnableRegister field.
@@ -1400,7 +1526,7 @@ int cppc_set_enable(int cpu, bool enable)
 		pcc_ss_data = pcc_data[pcc_ss_id];
 
 		down_write(&pcc_ss_data->pcc_lock);
-		/* after writing CPC, transfer the ownership of PCC to platfrom */
+		/* after writing CPC, transfer the ownership of PCC to platform */
 		ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
 		up_write(&pcc_ss_data->pcc_lock);
 		return ret;
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index c5614444031f..10d91aeedaca 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -108,12 +108,14 @@ struct cppc_perf_caps {
 	u32 lowest_nonlinear_perf;
 	u32 lowest_freq;
 	u32 nominal_freq;
+	u32 energy_perf;
 };
 
 struct cppc_perf_ctrls {
 	u32 max_perf;
 	u32 min_perf;
 	u32 desired_perf;
+	u32 energy_perf;
 };
 
 struct cppc_perf_fb_ctrs {
@@ -149,6 +151,9 @@ extern bool cpc_ffh_supported(void);
 extern bool cpc_supported_by_cpu(void);
 extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val);
 extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val);
+extern int cppc_set_auto_epp(int cpu, bool enable);
+extern int cppc_get_epp_caps(int cpunum, struct cppc_perf_caps *perf_caps);
+extern int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
 #else /* !CONFIG_ACPI_CPPC_LIB */
 static inline int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
 {
@@ -202,6 +207,18 @@ static inline int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val)
 {
 	return -ENOTSUPP;
 }
+static inline int cppc_set_auto_epp(int cpu, bool enable)
+{
+	return -ENOTSUPP;
+}
+static inline int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
+{
+	return -ENOTSUPP;
+}
+static inline int cppc_get_epp_caps(int cpunum, struct cppc_perf_caps *perf_caps)
+{
+	return -ENOTSUPP;
+}
 #endif /* !CONFIG_ACPI_CPPC_LIB */
 
 #endif /* _CPPC_ACPI_H*/
