[Intel-gfx] [PATCH 2/4] drm/i915: II stage HDCP auth for repeater only

[Ramalingam C]

Second stage of HDCP authentication required only if the HDCP
sink is a repeater.

This patch imposes above condition on second stage HDCP authentication.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
---
 drivers/gpu/drm/i915/intel_hdcp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_hdcp.c b/drivers/gpu/drm/i915/intel_hdcp.c
index 6ce6559897a6..b48c72cd0906 100644
--- a/drivers/gpu/drm/i915/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/intel_hdcp.c
@@ -493,7 +493,10 @@ static int intel_hdcp_auth(struct intel_digital_port *intel_dig_port,
 	 * on those as well.
 	 */
 
-	return intel_hdcp_auth_downstream(intel_dig_port, shim);
+	if (repeater_present)
+		return intel_hdcp_auth_downstream(intel_dig_port, shim);
+
+	return 0;
 }
 
 static
-- 
2.7.4