drm/i915: II stage HDCP auth for repeater only
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@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1516254488-4971-3-git-send-email-ramalingam.c@intel.com
diff --git a/drivers/gpu/drm/i915/intel_hdcp.c b/drivers/gpu/drm/i915/intel_hdcp.c
index e49ca7f..c8e611a 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