diff --git a/common.mk b/common.mk
index 71b0fd5f..7c847cc4 100644
--- a/common.mk
+++ b/common.mk
@@ -7,6 +7,12 @@ display_config_version := $(shell \
 display_config_version := $(shell \
     if [ -d "$(TOP)/vendor/qcom/opensource/interfaces/display/config/1.7" ];\
     then echo DISPLAY_CONFIG_1_7; fi)
+display_config_version := $(shell \
+     if [ -d "$(TOP)/vendor/qcom/opensource/interfaces/display/config/1.8" ];\
+     then echo DISPLAY_CONFIG_1_8; fi)
+display_config_version := $(shell \
+    if [ -d "$(TOP)/vendor/qcom/opensource/interfaces/display/config/1.9" ];\
+    then echo DISPLAY_CONFIG_1_9; fi)
 
 #Common C flags
 common_flags := -DDEBUG_CALC_FPS -Wno-missing-field-initializers
@@ -25,6 +31,16 @@ ifeq ($(display_config_version), DISPLAY_CONFIG_1_7)
                     -DDISPLAY_CONFIG_1_6 -DDISPLAY_CONFIG_1_5 -DDISPLAY_CONFIG_1_4 \
                     -DDISPLAY_CONFIG_1_3 -DDISPLAY_CONFIG_1_2 -DDISPLAY_CONFIG_1_1
 endif
+ifeq ($(display_config_version), DISPLAY_CONFIG_1_8)
+     common_flags += -DDISPLAY_CONFIG_1_1 -DDISPLAY_CONFIG_1_2 -DDISPLAY_CONFIG_1_3
+     common_flags += -DDISPLAY_CONFIG_1_4 -DDISPLAY_CONFIG_1_5 -DDISPLAY_CONFIG_1_6
+     common_flags += -DDISPLAY_CONFIG_1_7 -DDISPLAY_CONFIG_1_8
+endif
+ifeq ($(display_config_version), DISPLAY_CONFIG_1_9)
+    common_flags += -DDISPLAY_CONFIG_1_1 -DDISPLAY_CONFIG_1_2 -DDISPLAY_CONFIG_1_3
+    common_flags += -DDISPLAY_CONFIG_1_4 -DDISPLAY_CONFIG_1_5 -DDISPLAY_CONFIG_1_6
+    common_flags += -DDISPLAY_CONFIG_1_7 -DDISPLAY_CONFIG_1_8 -DDISPLAY_CONFIG_1_9
+endif
 
 ifeq ($(TARGET_USES_COLOR_METADATA), true)
     common_flags += -DUSE_COLOR_METADATA
diff --git a/sdm/libs/hwc2/Android.mk b/sdm/libs/hwc2/Android.mk
index 3c8d77f3..4244eb32 100644
--- a/sdm/libs/hwc2/Android.mk
+++ b/sdm/libs/hwc2/Android.mk
@@ -42,6 +42,19 @@ LOCAL_SHARED_LIBRARIES        += vendor.display.config@1.7 \
                                  vendor.display.config@1.4 vendor.display.config@1.3 \
                                  vendor.display.config@1.2 vendor.display.config@1.1
 endif
+ifeq ($(display_config_version), DISPLAY_CONFIG_1_8)
+LOCAL_SHARED_LIBRARIES        += vendor.display.config@1.1 vendor.display.config@1.2 \
+                                 vendor.display.config@1.3 vendor.display.config@1.4 \
+                                 vendor.display.config@1.5 vendor.display.config@1.6 \
+                                 vendor.display.config@1.7 vendor.display.config@1.8
+endif
+ifeq ($(display_config_version), DISPLAY_CONFIG_1_9)
+LOCAL_SHARED_LIBRARIES        += vendor.display.config@1.1 vendor.display.config@1.2 \
+                                 vendor.display.config@1.3 vendor.display.config@1.4 \
+                                 vendor.display.config@1.5 vendor.display.config@1.6 \
+                                 vendor.display.config@1.7 vendor.display.config@1.8 \
+                                 vendor.display.config@1.9
+endif
 
 LOCAL_SRC_FILES               := hwc_session.cpp \
                                  hwc_session_services.cpp \
diff --git a/sdm/libs/hwc2/hwc_session.h b/sdm/libs/hwc2/hwc_session.h
index 3d052a2a..f606982a 100644
--- a/sdm/libs/hwc2/hwc_session.h
+++ b/sdm/libs/hwc2/hwc_session.h
@@ -20,7 +20,11 @@
 #ifndef __HWC_SESSION_H__
 #define __HWC_SESSION_H__
 
-#ifdef DISPLAY_CONFIG_1_7
+#ifdef DISPLAY_CONFIG_1_9
+#include <vendor/display/config/1.9/IDisplayConfig.h>
+#elif DISPLAY_CONFIG_1_8
+#include <vendor/display/config/1.8/IDisplayConfig.h>
+#elif DISPLAY_CONFIG_1_7
 #include <vendor/display/config/1.7/IDisplayConfig.h>
 #elif DISPLAY_CONFIG_1_1
 #include <vendor/display/config/1.1/IDisplayConfig.h>
@@ -43,7 +47,11 @@
 
 namespace sdm {
 
-#ifdef DISPLAY_CONFIG_1_7
+#ifdef DISPLAY_CONFIG_1_9
+using vendor::display::config::V1_9::IDisplayConfig;
+#elif DISPLAY_CONFIG_1_8
+using vendor::display::config::V1_8::IDisplayConfig;
+#elif DISPLAY_CONFIG_1_7
 using vendor::display::config::V1_7::IDisplayConfig;
 #elif DISPLAY_CONFIG_1_1
 using vendor::display::config::V1_1::IDisplayConfig;
@@ -253,6 +261,15 @@ class HWCSession : hwc2_device_t, HWCUEventListener, IDisplayConfig, public qCli
   Return<void> getDebugProperty(const hidl_string &prop_name,
                                 getDebugProperty_cb _hidl_cb) override;
 #endif
+#ifdef DISPLAY_CONFIG_1_8
+  Return<void> getActiveBuiltinDisplayAttributes(getDisplayAttributes_cb _hidl_cb) override;
+#endif
+
+#ifdef DISPLAY_CONFIG_1_9
+  Return<int32_t> setPanelLuminanceAttributes(uint32_t disp_id, float min_lum,
+                                              float max_lum) override;
+  Return<bool> isBuiltInDisplay(uint32_t disp_id) override;
+#endif
 
   // QClient methods
   virtual android::status_t notifyCallback(uint32_t command, const android::Parcel *input_parcel,
diff --git a/sdm/libs/hwc2/hwc_session_services.cpp b/sdm/libs/hwc2/hwc_session_services.cpp
index 933ca5f3..a2b816aa 100644
--- a/sdm/libs/hwc2/hwc_session_services.cpp
+++ b/sdm/libs/hwc2/hwc_session_services.cpp
@@ -606,4 +606,31 @@ Return<void> HWCSession::getDebugProperty(const hidl_string &prop_name,
 }
 #endif
 
+
+#ifdef DISPLAY_CONFIG_1_8
+Return<void> HWCSession::getActiveBuiltinDisplayAttributes(
+                                          getDisplayAttributes_cb _hidl_cb) {
+  DLOGE("Not supported at present");
+  return Void();
+}
+#endif  // DISPLAY_CONFIG_1_8
+
+#ifdef DISPLAY_CONFIG_1_9
+Return<int32_t> HWCSession::setPanelLuminanceAttributes(uint32_t disp_id, float pan_min_lum,
+                                                        float pan_max_lum) {
+  DLOGE("Not supported at present");
+  return -1;
+}
+
+Return<bool> HWCSession::isBuiltInDisplay(uint32_t disp_id) {
+  if ((HWC_DISPLAY_PRIMARY == disp_id) || (HWC_DISPLAY_BUILTIN_2 == disp_id) ||
+      (HWC_DISPLAY_BUILTIN_3 == disp_id) || (HWC_DISPLAY_BUILTIN_4 == disp_id)) {
+    return true;
+  }
+  else {
+   return false;
+  }
+}
+#endif  // DISPLAY_CONFIG_1_9
+
 }  // namespace sdm