Merge "recovery: fastbootd: retry opening graphics" am: 082bea6325 am: 0608d71169 am: 5e7b0704e4 am: aea68665ee am: e7ab043c3c am: 1c2488881b

Change-Id: Id8f76fe09d0d01409b53ff95d1f6ecfd31c332bc
diff --git a/recovery_ui/screen_ui.cpp b/recovery_ui/screen_ui.cpp
index 6dcb161..b2c828f 100644
--- a/recovery_ui/screen_ui.cpp
+++ b/recovery_ui/screen_ui.cpp
@@ -37,6 +37,7 @@
 #include <unordered_map>
 #include <vector>
 
+#include <android-base/chrono_utils.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
@@ -881,10 +882,28 @@
   return true;
 }
 
+static bool InitGraphics() {
+  // Timeout is same as init wait for file default of 5 seconds and is arbitrary
+  const unsigned timeout = 500;  // 10ms increments
+  for (auto retry = timeout; retry > 0; --retry) {
+    if (gr_init() == 0) {
+      if (retry < timeout) {
+        // Log message like init wait for file completion log for consistency.
+        LOG(WARNING) << "wait for 'graphics' took " << ((timeout - retry) * 10) << "ms";
+      }
+      return true;
+    }
+    std::this_thread::sleep_for(10ms);
+  }
+  // Log message like init wait for file timeout log for consistency.
+  LOG(ERROR) << "timeout wait for 'graphics' took " << (timeout * 10) << "ms";
+  return false;
+}
+
 bool ScreenRecoveryUI::Init(const std::string& locale) {
   RecoveryUI::Init(locale);
 
-  if (gr_init() == -1) {
+  if (!InitGraphics()) {
     return false;
   }