diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index ed1ab40..ce4e05e 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -506,6 +506,7 @@ enum intel_guc_action {
 	INTEL_GUC_ACTION_EXIT_S_STATE = 0x502,
 	INTEL_GUC_ACTION_SLPC_REQUEST = 0x3003,
 	INTEL_GUC_ACTION_UK_LOG_ENABLE_LOGGING = 0x0E000,
+	INTEL_GUC_ACTION_AUTHENTICATE_HUC = 0x4000,
 	INTEL_GUC_ACTION_LIMIT
 };
 
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index a6ac046..be76583 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -529,6 +529,8 @@ int intel_guc_setup(struct drm_i915_private *dev_priv)
 		intel_uc_fw_status_repr(guc_fw->fetch_status),
 		intel_uc_fw_status_repr(guc_fw->load_status));
 
+	intel_guc_auth_huc(dev_priv);
+
 	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.c b/drivers/gpu/drm/i915/intel_uc.c
index c6be352..dccd39c 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -71,7 +71,11 @@ int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
 	 * up to that length of time, then switch to a slower sleep-wait loop.
 	 * No inte_guc_send command should ever take longer than 10ms.
 	 */
-	ret = wait_for_us(intel_guc_recv(guc, &status), 10);
+	ret = intel_wait_for_register(dev_priv,
+					HUC_STATUS2,
+					HUC_FW_VERIFIED,
+					HUC_FW_VERIFIED,
+					50);
 	if (ret)
 		ret = wait_for(intel_guc_recv(guc, &status), 10);
 	if (status != INTEL_GUC_STATUS_SUCCESS) {
@@ -140,3 +144,65 @@ int intel_guc_log_control(struct intel_guc *guc, u32 control_val)
 
 	return intel_guc_send(guc, action, ARRAY_SIZE(action));
 }
+
+/**
+ * intel_guc_auth_huc() - authenticate ucode
+ * @dev_priv: the drm_i915_device
+ *
+ * Triggers a HuC fw authentication request to the GuC via intel_guc_action_
+ * authenticate_huc interface.
+ * interface.
+ */
+void intel_guc_auth_huc(struct drm_i915_private *dev_priv)
+{
+	struct intel_guc *guc = &dev_priv->guc;
+	struct intel_huc *huc = &dev_priv->huc;
+	struct i915_vma *vma;
+	int ret;
+	u32 data[2];
+
+	/* Bypass the case where there is no HuC firmware */
+	if (huc->fw.fetch_status == INTEL_UC_FIRMWARE_NONE ||
+		huc->fw.load_status == INTEL_UC_FIRMWARE_NONE)
+		return;
+
+	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) {
+		DRM_ERROR("HuC: GuC fw wasn't loaded. Can't authenticate\n");
+		return;
+	}
+
+	if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) {
+		DRM_ERROR("HuC: fw wasn't loaded. Nothing to authenticate\n");
+		return;
+	}
+
+	vma = i915_gem_object_ggtt_pin(huc->fw.uc_fw_obj, NULL, 0, 0, 0);
+	if (IS_ERR(vma)) {
+		DRM_DEBUG_DRIVER("pin failed %d\n", (int)PTR_ERR(vma));
+		return;
+	}
+
+
+	/* Invalidate GuC TLB to let GuC take the latest updates to GTT. */
+	I915_WRITE(GEN8_GTCR, GEN8_GTCR_INVALIDATE);
+
+	/* Specify auth action and where public signature is. */
+	data[0] = INTEL_GUC_ACTION_AUTHENTICATE_HUC;
+	data[1] = i915_ggtt_offset(vma) + huc->fw.rsa_offset;
+
+	ret = intel_guc_send(guc, data, ARRAY_SIZE(data));
+	if (ret) {
+		DRM_ERROR("HuC: GuC did not ack Auth request\n");
+		goto out;
+	}
+
+	/* Check authentication status, it should be done by now */
+	ret = wait_for((I915_READ(HUC_STATUS2) & HUC_FW_VERIFIED) > 0, 50);
+	if (ret) {
+		DRM_ERROR("HuC: Authentication failed\n");
+		goto out;
+	}
+
+out:
+	i915_vma_unpin(vma);
+}
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 00c0986..2aa0304 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -193,6 +193,7 @@ int intel_guc_sample_forcewake(struct intel_guc *guc);
 int intel_guc_log_flush_complete(struct intel_guc *guc);
 int intel_guc_log_flush(struct intel_guc *guc);
 int intel_guc_log_control(struct intel_guc *guc, u32 control_val);
+void intel_guc_auth_huc(struct drm_i915_private *dev_priv);
 
 /* intel_guc_loader.c */
 extern void intel_guc_init(struct drm_i915_private *dev_priv);
