libhwc2.1: setActiveConfig during device init

Driver is in fully ready status after this call.

Bug: 186446401
Test: Reboot and no failed reading panel serial in displaycolor log.
Test: Device could switch to 60/90/AOD mode.
Change-Id: I4edd4b263c0beacf33171773d90be71b30a16eee

1 files changed, 5 insertions, 0 deletions

diff --git a/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp b/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
index dafbfeb..51addf5 100644
--- a/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
+++ b/libhwc2.1/libdisplayinterface/ExynosDisplayDrmInterface.cpp
@@ -660,6 +660,11 @@ int32_t ExynosDisplayDrmInterface::chosePreferredConfig()
     hwc2_config_t config = mDrmConnector->get_preferred_mode_id();
     ALOGI("Preferred mode id: %d, state: %d", config, mDrmConnector->state());
 
+    if ((err = setActiveConfig(config)) < 0) {
+        ALOGE("failed to set default config, err %d", err);
+        return err;
+    }
+
     mExynosDisplay->updateInternalDisplayConfigVariables(config);
     return err;
 }