libhwc2.1: avoid SF idle timer working in pseudo VRR mode

Use the API to check the VRR mode, and return true for panel
idle timer if pseudo VRR is used.

Bug: 315271499
Test: SF idle timer is not working in pseudo VRR mode
Change-Id: I80962c3365466677d34228e5481a3c3824c00055

1 files changed, 6 insertions, 1 deletions

diff --git a/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp b/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
index e596c14..badaa61 100644
--- a/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
+++ b/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
@@ -461,9 +461,14 @@ void ExynosDisplayDrmInterface::destroyLayer(ExynosLayer *layer) {
 }
 
 int32_t ExynosDisplayDrmInterface::getDisplayIdleTimerSupport(bool &outSupport) {
-    if (mIsVrrModeSupported) {
+    if (isFullVrrSupported()) {
         outSupport = false;
         return NO_ERROR;
+    } else if (isPseudoVrrSupported()) {
+        // Retuen true to avoid SF idle timer working. We insert frames manually
+        // for pseudo VRR, so ideally panel idle should be disabled in the driver.
+        outSupport = true;
+        return NO_ERROR;
     }
 
     auto [ret, support] = mDrmConnector->panel_idle_support().value();