diff --git a/utils/LibdisplayEdidWrapper.cpp b/utils/LibdisplayEdidWrapper.cpp
index d2d2a1c..e35b461 100644
--- a/utils/LibdisplayEdidWrapper.cpp
+++ b/utils/LibdisplayEdidWrapper.cpp
@@ -95,5 +95,51 @@
   }
 }
 
+auto LibdisplayEdidWrapper::GetDpiX() -> int {
+  return GetDpi().first;
+}
+
+auto LibdisplayEdidWrapper::GetDpiY() -> int {
+  return GetDpi().second;
+}
+
+auto LibdisplayEdidWrapper::GetBoundsMm() -> std::pair<int32_t, int32_t> {
+  const auto edid = di_info_get_edid(info_);
+  const auto detailed_timing_defs = di_edid_get_detailed_timing_defs(edid);
+  const auto dtd = detailed_timing_defs[0];
+  if (dtd == nullptr || dtd->horiz_image_mm == 0 || dtd->vert_image_mm == 0) {
+    // try to fallback on display size if no dtd.
+    // However since edid screen size are vastly unreliable only provide a valid
+    // width to avoid invalid dpi computation.
+    const auto screen_size = di_edid_get_screen_size(edid);
+    return {screen_size->width_cm * 10, -1};
+  }
+
+  return {dtd->horiz_image_mm, dtd->vert_image_mm};
+}
+
+auto LibdisplayEdidWrapper::GetDpi() -> std::pair<int32_t, int32_t> {
+  static const int32_t kUmPerInch = 25400;
+  const auto edid = di_info_get_edid(info_);
+  const auto detailed_timing_defs = di_edid_get_detailed_timing_defs(edid);
+  const auto dtd = detailed_timing_defs[0];
+  if (dtd == nullptr || dtd->horiz_image_mm == 0 || dtd->vert_image_mm == 0) {
+    // try to fallback on display size if no dtd.
+    const auto screen_size = di_edid_get_screen_size(edid);
+    const auto standard_timings = di_edid_get_standard_timings(edid);
+    if (screen_size->width_cm <= 0 || standard_timings == nullptr) {
+      return {-1, -1};
+    }
+
+    // display size is more unreliable so use only horizontal dpi.
+    int32_t horiz_video = standard_timings[0]->horiz_video;
+    int32_t dpi = horiz_video * kUmPerInch / (screen_size->width_cm * 10);
+    return {dpi, dpi};
+  }
+
+  return {dtd->horiz_video * kUmPerInch / dtd->horiz_image_mm,
+          dtd->vert_video * kUmPerInch / dtd->vert_image_mm};
+}
+
 }  // namespace android
 #endif