Update HDCP for external displays

So the secure flag of Display object in Display Manager (DM) can
be set correctly. HWC calls the onSync method as a workaround,
to notify SurfaceFlinger (SF) about hdcp changes, SF in turn sends
an event to DM, DM will then fetch and update display info.

Bug: 280818362
Test: manual
Change-Id: I29ce0337865b51c0fc7bf7c2d7fdd4cd6d66ef46

1 files changed, 5 insertions, 0 deletions

diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index 5dd058cf9f..f3de96d2cd 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -195,6 +195,11 @@ bool DisplayEventDispatcher::processPendingEvents(nsecs_t* outTimestamp,
                     dispatchFrameRateOverrides(ev.header.timestamp, ev.header.displayId,
                                                std::move(mFrameRateOverrides));
                     break;
+                case DisplayEventReceiver::DISPLAY_EVENT_HDCP_LEVELS_CHANGE:
+                    dispatchHdcpLevelsChanged(ev.header.displayId,
+                                              ev.hdcpLevelsChange.connectedLevel,
+                                              ev.hdcpLevelsChange.maxLevel);
+                    break;
                 default:
                     ALOGW("dispatcher %p ~ ignoring unknown event type %#x", this, ev.header.type);
                     break;