diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4f7df3f..86937f5 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -6127,6 +6127,13 @@
         displayProto->set_id(display->getId().value);
         displayProto->set_name(display->getDisplayName());
         displayProto->set_layer_stack(display->getLayerStack().id);
+
+        if (!display->isVirtual()) {
+            const auto dpi = display->refreshRateSelector().getActiveMode().modePtr->getDpi();
+            displayProto->set_dpi_x(dpi.x);
+            displayProto->set_dpi_y(dpi.y);
+        }
+
         LayerProtoHelper::writeSizeToProto(display->getWidth(), display->getHeight(),
                                            [&]() { return displayProto->mutable_size(); });
         LayerProtoHelper::writeToProto(display->getLayerStackSpaceRect(), [&]() {