diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index 6145fa0..821aca4 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -225,19 +225,22 @@ void intel_huc_init_hw(struct intel_huc *huc)
 }
 
 /**
- * intel_guc_auth_huc() - authenticate ucode
- * @dev_priv: the drm_i915_device
+ * intel_huc_auth() - Authenticate HuC uCode
+ * @huc: intel_huc structure
+ *
+ * Called after HuC and GuC firmware loading during intel_uc_init_hw().
  *
- * Triggers a HuC fw authentication request to the GuC via intel_guc_action_
- * authenticate_huc interface.
+ * This function pins HuC firmware image object into GGTT.
+ * Then it invokes GuC action to authenticate passing the offset to RSA
+ * signature through intel_guc_auth_huc(). It then waits for 50ms for
+ * firmware verification ACK and unpins the object.
  */
-void intel_guc_auth_huc(struct drm_i915_private *dev_priv)
+void intel_huc_auth(struct intel_huc *huc)
 {
-	struct intel_guc *guc = &dev_priv->guc;
-	struct intel_huc *huc = &dev_priv->huc;
+	struct drm_i915_private *i915 = huc_to_i915(huc);
+	struct intel_guc *guc = &i915->guc;
 	struct i915_vma *vma;
 	int ret;
-	u32 data[2];
 
 	if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
 		return;
@@ -250,23 +253,19 @@ void intel_guc_auth_huc(struct drm_i915_private *dev_priv)
 		return;
 	}
 
-	/* Specify auth action and where public signature is. */
-	data[0] = INTEL_GUC_ACTION_AUTHENTICATE_HUC;
-	data[1] = guc_ggtt_offset(vma) + huc->fw.rsa_offset;
-
-	ret = intel_guc_send(guc, data, ARRAY_SIZE(data));
+	ret = intel_guc_auth_huc(guc,
+				 guc_ggtt_offset(vma) + huc->fw.rsa_offset);
 	if (ret) {
 		DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret);
 		goto out;
 	}
 
 	/* Check authentication status, it should be done by now */
-	ret = intel_wait_for_register(dev_priv,
-				HUC_STATUS2,
-				HUC_FW_VERIFIED,
-				HUC_FW_VERIFIED,
-				50);
-
+	ret = intel_wait_for_register(i915,
+				      HUC_STATUS2,
+				      HUC_FW_VERIFIED,
+				      HUC_FW_VERIFIED,
+				      50);
 	if (ret) {
 		DRM_ERROR("HuC: Authentication failed %d\n", ret);
 		goto out;
@@ -275,4 +274,3 @@ void intel_guc_auth_huc(struct drm_i915_private *dev_priv)
 out:
 	i915_vma_unpin(vma);
 }
-
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 0178ba4..5752c0f 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -328,6 +328,27 @@ static void guc_disable_communication(struct intel_guc *guc)
 	guc->send = intel_guc_send_nop;
 }
 
+/**
+ * intel_guc_auth_huc() - Send action to GuC to authenticate HuC ucode
+ * @guc: intel_guc structure
+ * @rsa_offset: rsa offset w.r.t ggtt base of huc vma
+ *
+ * Triggers a HuC firmware authentication request to the GuC via intel_guc_send
+ * INTEL_GUC_ACTION_AUTHENTICATE_HUC interface. This function is invoked by
+ * intel_huc_auth().
+ *
+ * Return:	non-zero code on error
+ */
+int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
+{
+	u32 action[] = {
+		INTEL_GUC_ACTION_AUTHENTICATE_HUC,
+		rsa_offset
+	};
+
+	return intel_guc_send(guc, action, ARRAY_SIZE(action));
+}
+
 int intel_uc_init_hw(struct drm_i915_private *dev_priv)
 {
 	struct intel_guc *guc = &dev_priv->guc;
@@ -390,7 +411,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
 	if (ret)
 		goto err_log_capture;
 
-	intel_guc_auth_huc(dev_priv);
+	intel_huc_auth(&dev_priv->huc);
 	if (i915.enable_guc_submission) {
 		if (i915.guc_log_level >= 0)
 			gen9_enable_guc_interrupts(dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 7703c9a..6966349 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -211,6 +211,7 @@ struct intel_huc {
 int intel_guc_sample_forcewake(struct intel_guc *guc);
 int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
 int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
+int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
 
 static inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
 {
@@ -254,6 +255,6 @@ static inline u32 guc_ggtt_offset(struct i915_vma *vma)
 /* intel_huc.c */
 void intel_huc_select_fw(struct intel_huc *huc);
 void intel_huc_init_hw(struct intel_huc *huc);
-void intel_guc_auth_huc(struct drm_i915_private *dev_priv);
+void intel_huc_auth(struct intel_huc *huc);
 
 #endif
