diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index a25fc8f..807bcb5 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -344,4 +344,20 @@
      <!-- How long it takes for the HW to start illuminating after the illumination is requested. -->
     <integer name="config_udfps_illumination_transition_ms">0</integer>
 
+    <!-- The default refresh rate for a given device. Change this value to set a higher default
+         refresh rate. If the hardware composer on the device supports display modes with a higher
+         refresh rate than the default value specified here, the framework may use those higher
+         refresh rate modes if an app chooses one by setting preferredDisplayModeId or calling
+         setFrameRate().
+         If a non-zero value is set for config_defaultPeakRefreshRate, then
+         config_defaultRefreshRate may be set to 0, in which case the value set for
+         config_defaultPeakRefreshRate will act as the default frame rate. -->
+    <integer name="config_defaultRefreshRate">90</integer>
+
+    <!-- The default peak refresh rate for a given device. Change this value if you want to prevent
+         the framework from using higher refresh rates, even if display modes with higher refresh
+         rates are available from hardware composer. Only has an effect if the value is
+         non-zero. -->
+    <integer name="config_defaultPeakRefreshRate">90</integer>
+
 </resources>