[Intel-gfx] [PATCH v5 09/40] drm/i915: Schedule hdcp_check_link in _intel_hdcp_enable

[Ramalingam C]

As a preparation for making the intel_hdcp_enable as common function
for both HDCP1.4 and HDCP2.2, HDCP1.4 check_link scheduling is moved
into _intel_hdcp_enable() function.

v3:
  No Changes.
v4:
  Style fix.
v5:
  No Change.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
Reviewed-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/intel_hdcp.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_hdcp.c b/drivers/gpu/drm/i915/intel_hdcp.c
index 769560591aa8..4bff74b3bed0 100644
--- a/drivers/gpu/drm/i915/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/intel_hdcp.c
@@ -688,7 +688,7 @@ static int _intel_hdcp_enable(struct intel_connector *connector)
 		ret = intel_hdcp_auth(conn_to_dig_port(connector),
 				      hdcp->hdcp_shim);
 		if (!ret)
-			return 0;
+			break;
 
 		DRM_DEBUG_KMS("HDCP Auth failure (%d)\n", ret);
 
@@ -696,7 +696,13 @@ static int _intel_hdcp_enable(struct intel_connector *connector)
 		_intel_hdcp_disable(connector);
 	}
 
-	DRM_ERROR("HDCP authentication failed (%d tries/%d)\n", tries, ret);
+	if (i != tries)
+		schedule_delayed_work(&hdcp->hdcp_check_work,
+				      DRM_HDCP_CHECK_PERIOD_MS);
+	else
+		DRM_ERROR("HDCP authentication failed (%d tries/%d)\n",
+			  tries, ret);
+
 	return ret;
 }
 
@@ -790,8 +796,6 @@ int intel_hdcp_enable(struct intel_connector *connector)
 
 	hdcp->hdcp_value = DRM_MODE_CONTENT_PROTECTION_ENABLED;
 	schedule_work(&hdcp->hdcp_prop_work);
-	schedule_delayed_work(&hdcp->hdcp_check_work,
-			      DRM_HDCP_CHECK_PERIOD_MS);
 out:
 	mutex_unlock(&hdcp->hdcp_mutex);
 	return ret;
-- 
2.7.4