[Ozone-Dri] Set DPMS to off when disabling a display

ui/ozone/platform/dri/native_display_delegate_dri.cc

Index: ui/ozone/platform/dri/native_display_delegate_dri.cc
diff --git a/ui/ozone/platform/dri/native_display_delegate_dri.cc b/ui/ozone/platform/dri/native_display_delegate_dri.cc
index d1b853b4d5d944929ceb47d134720466980ad48c..fe567b774ec16f564c569ee279c8dffe7a5717f0 100644
--- a/ui/ozone/platform/dri/native_display_delegate_dri.cc
+++ b/ui/ozone/platform/dri/native_display_delegate_dri.cc
@@ -200,6 +200,11 @@ bool NativeDisplayDelegateDri::Configure(const DisplaySnapshot& output,
       return false;
     }
   } else {
+    if (dri_output.dpms_property()) {
+      dri_->SetProperty(dri_output.connector(),
+                        dri_output.dpms_property()->prop_id, DRM_MODE_DPMS_OFF);
+    }
+
     if (!screen_manager_->DisableDisplayController(dri_output.crtc())) {
       VLOG(1) << "Failed to disable crtc=" << dri_output.crtc();
       return false;