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
diff --git a/libs/gui/Choreographer.cpp b/libs/gui/Choreographer.cpp
index 93df124..c6f3363 100644
--- a/libs/gui/Choreographer.cpp
+++ b/libs/gui/Choreographer.cpp
@@ -344,6 +344,10 @@
handleRefreshRateUpdates();
}
+void Choreographer::dispatchHdcpLevelsChanged(PhysicalDisplayId, int32_t, int32_t) {
+ LOG_ALWAYS_FATAL("dispatchHdcpLevelsChanged was called but was never registered");
+}
+
void Choreographer::handleMessage(const Message& message) {
switch (message.what) {
case MSG_SCHEDULE_CALLBACKS:
diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index 5dd058c..f3de96d 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -195,6 +195,11 @@
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;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 8b6f202..8d18551 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -3117,7 +3117,6 @@
->removeWindowInfosListener(windowInfosListener,
ComposerServiceAIDL::getComposerService());
}
-
// ----------------------------------------------------------------------------
status_t ScreenshotClient::captureDisplay(const DisplayCaptureArgs& captureArgs,
diff --git a/libs/gui/fuzzer/libgui_fuzzer_utils.h b/libs/gui/fuzzer/libgui_fuzzer_utils.h
index 9933680..c952ba2 100644
--- a/libs/gui/fuzzer/libgui_fuzzer_utils.h
+++ b/libs/gui/fuzzer/libgui_fuzzer_utils.h
@@ -207,6 +207,7 @@
MOCK_METHOD2(dispatchNullEvent, void(nsecs_t, PhysicalDisplayId));
MOCK_METHOD3(dispatchFrameRateOverrides,
void(nsecs_t, PhysicalDisplayId, std::vector<FrameRateOverride>));
+ MOCK_METHOD3(dispatchHdcpLevelsChanged, void(PhysicalDisplayId, int32_t, int32_t));
};
} // namespace android
diff --git a/libs/gui/include/gui/Choreographer.h b/libs/gui/include/gui/Choreographer.h
index 9fef512..55a7aa7 100644
--- a/libs/gui/include/gui/Choreographer.h
+++ b/libs/gui/include/gui/Choreographer.h
@@ -116,6 +116,8 @@
void dispatchNullEvent(nsecs_t, PhysicalDisplayId) override;
void dispatchFrameRateOverrides(nsecs_t timestamp, PhysicalDisplayId displayId,
std::vector<FrameRateOverride> overrides) override;
+ void dispatchHdcpLevelsChanged(PhysicalDisplayId displayId, int32_t connectedLevel,
+ int32_t maxLevel) override;
void scheduleCallbacks();
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index fe2dd20..82cd50c 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -65,6 +65,9 @@
virtual void dispatchFrameRateOverrides(nsecs_t timestamp, PhysicalDisplayId displayId,
std::vector<FrameRateOverride> overrides) = 0;
+ virtual void dispatchHdcpLevelsChanged(PhysicalDisplayId displayId, int32_t connectedLevel,
+ int32_t maxLevel) = 0;
+
bool processPendingEvents(nsecs_t* outTimestamp, PhysicalDisplayId* outDisplayId,
uint32_t* outCount, VsyncEventData* outVsyncEventData);
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index 79582ce..8c1103b 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -58,7 +58,6 @@
// ----------------------------------------------------------------------------
class DisplayEventReceiver {
public:
-
enum {
DISPLAY_EVENT_VSYNC = fourcc('v', 's', 'y', 'n'),
DISPLAY_EVENT_HOTPLUG = fourcc('p', 'l', 'u', 'g'),
@@ -66,6 +65,7 @@
DISPLAY_EVENT_NULL = fourcc('n', 'u', 'l', 'l'),
DISPLAY_EVENT_FRAME_RATE_OVERRIDE = fourcc('r', 'a', 't', 'e'),
DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH = fourcc('f', 'l', 's', 'h'),
+ DISPLAY_EVENT_HDCP_LEVELS_CHANGE = fourcc('h', 'd', 'c', 'p'),
};
struct Event {
@@ -101,12 +101,22 @@
float frameRateHz __attribute__((aligned(8)));
};
+ /*
+ * The values are defined in aidl:
+ * hardware/interfaces/drm/aidl/android/hardware/drm/HdcpLevel.aidl
+ */
+ struct HdcpLevelsChange {
+ int32_t connectedLevel;
+ int32_t maxLevel;
+ };
+
Header header;
union {
VSync vsync;
Hotplug hotplug;
ModeChange modeChange;
FrameRateOverride frameRateOverride;
+ HdcpLevelsChange hdcpLevelsChange;
};
};