merge in nyc-dr1-release history after reset to nyc-mr1-dev
diff --git a/cmds/bugreportz/bugreportz.cpp b/cmds/bugreportz/bugreportz.cpp
index 7bed284..75855cf 100644
--- a/cmds/bugreportz/bugreportz.cpp
+++ b/cmds/bugreportz/bugreportz.cpp
@@ -27,14 +27,17 @@
 
 #include "bugreportz.h"
 
+static constexpr char BEGIN_PREFIX[] = "BEGIN:";
 static constexpr char PROGRESS_PREFIX[] = "PROGRESS:";
 
 static void write_line(const std::string& line, bool show_progress) {
     if (line.empty()) return;
 
-    // When not invoked with the -p option, it must skip PROGRESS lines otherwise it
+    // When not invoked with the -p option, it must skip BEGIN and PROGRESS lines otherwise it
     // will break adb (which is expecting either OK or FAIL).
-    if (!show_progress && android::base::StartsWith(line, PROGRESS_PREFIX)) return;
+    if (!show_progress && (android::base::StartsWith(line, PROGRESS_PREFIX) ||
+                           android::base::StartsWith(line, BEGIN_PREFIX)))
+        return;
 
     android::base::WriteStringToFd(line, STDOUT_FILENO);
 }
diff --git a/cmds/bugreportz/bugreportz_test.cpp b/cmds/bugreportz/bugreportz_test.cpp
index dfef17f..58b23d1 100644
--- a/cmds/bugreportz/bugreportz_test.cpp
+++ b/cmds/bugreportz/bugreportz_test.cpp
@@ -92,6 +92,7 @@
 
 // Tests 'bugreportz', without any argument - it will ignore progress lines.
 TEST_F(BugreportzTest, NoArgument) {
+    WriteToSocket("BEGIN:THE IGNORED PATH WARS HAS!\n");  // Should be ommited.
     WriteToSocket("What happens on 'dumpstate',");
     WriteToSocket("stays on 'bugreportz'.\n");
     WriteToSocket("PROGRESS:Y U NO OMITTED?\n");  // Should be ommited.
@@ -108,6 +109,7 @@
 
 // Tests 'bugreportz -p' - it will just echo dumpstate's output to stdout
 TEST_F(BugreportzTest, WithProgress) {
+    WriteToSocket("BEGIN:I AM YOUR PATH\n");
     WriteToSocket("What happens on 'dumpstate',");
     WriteToSocket("stays on 'bugreportz'.\n");
     WriteToSocket("PROGRESS:IS INEVITABLE\n");
@@ -118,6 +120,7 @@
     Bugreportz(true);
 
     AssertStdoutEquals(
+        "BEGIN:I AM YOUR PATH\n"
         "What happens on 'dumpstate',stays on 'bugreportz'.\n"
         "PROGRESS:IS INEVITABLE\n"
         "PROGRESS:IS NOT AUTOMATIC\n"
diff --git a/cmds/bugreportz/readme.md b/cmds/bugreportz/readme.md
index 2bc277e..2697f09 100644
--- a/cmds/bugreportz/readme.md
+++ b/cmds/bugreportz/readme.md
@@ -4,10 +4,12 @@
 the simple protocol defined below.
 
 # Version 1.1
-On version 1.1, in addition to the `OK` and `FAILURE` lines, `bugreportz -p` generates progress
-lines in the following format:
+On version 1.1, in addition to the `OK` and `FAILURE` lines, when `bugreportz` is invoked with
+`-p`, it outputs the following lines:
 
-- `PROGRESS:<progress>/<total>`, where `<progress>` is the current progress units out of a max of `<total>`.
+- `BEGIN:<path_to_bugreport_file>` right away.
+- `PROGRESS:<progress>/<total>` as `dumpstate` progresses (where `<progress>` is the current
+progress units out of a max of `<total>`).
 
 ## Version 1.0
 On version 1.0, `bugreportz` does not generate any output on `stdout` until the bugreport is
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index f74fe39..0129392 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1270,14 +1270,19 @@
         }
 
         if (do_update_progress && do_broadcast) {
+            // clang-format off
             std::vector<std::string> am_args = {
                  "--receiver-permission", "android.permission.DUMP", "--receiver-foreground",
                  "--es", "android.intent.extra.NAME", suffix,
                  "--ei", "android.intent.extra.ID", std::to_string(id),
                  "--ei", "android.intent.extra.PID", std::to_string(getpid()),
                  "--ei", "android.intent.extra.MAX", std::to_string(WEIGHT_TOTAL),
+            // clang-format on
             };
             send_broadcast("android.intent.action.BUGREPORT_STARTED", am_args);
+            if (use_control_socket) {
+                dprintf(control_socket_fd, "BEGIN:%s\n", path.c_str());
+            }
         }
     }
 
@@ -1460,6 +1465,7 @@
     if (do_broadcast) {
         if (!path.empty()) {
             MYLOGI("Final bugreport path: %s\n", path.c_str());
+            // clang-format off
             std::vector<std::string> am_args = {
                  "--receiver-permission", "android.permission.DUMP", "--receiver-foreground",
                  "--ei", "android.intent.extra.ID", std::to_string(id),
@@ -1468,6 +1474,7 @@
                  "--es", "android.intent.extra.BUGREPORT", path,
                  "--es", "android.intent.extra.DUMPSTATE_LOG", log_path
             };
+            // clang-format on
             if (do_fb) {
                 am_args.push_back("--es");
                 am_args.push_back("android.intent.extra.SCREENSHOT");
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 2a8fa4a..dc5e97b 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -146,6 +146,10 @@
     LOCAL_CFLAGS += -DENABLE_CPUSETS
 endif
 
+ifeq ($(TARGET_USES_HWC2),true)
+    LOCAL_CFLAGS += -DUSE_HWC2
+endif
+
 LOCAL_SRC_FILES := \
     main_surfaceflinger.cpp
 
diff --git a/services/surfaceflinger/DispSync.cpp b/services/surfaceflinger/DispSync.cpp
index 37b6420..c67feb3 100644
--- a/services/surfaceflinger/DispSync.cpp
+++ b/services/surfaceflinger/DispSync.cpp
@@ -383,6 +383,13 @@
         mThread(new DispSyncThread(name)) {
 
     mThread->run("DispSync", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
+    // set DispSync to SCHED_FIFO to minimize jitter
+    struct sched_param param = {0};
+    param.sched_priority = 1;
+    if (sched_setscheduler(mThread->getTid(), SCHED_FIFO, &param) != 0) {
+        ALOGE("Couldn't set SCHED_FIFO for DispSyncThread");
+    }
+
 
     reset();
     beginResync();
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.cpp b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
index 27357b9..d6a032f 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
@@ -436,6 +436,13 @@
     return config;
 }
 
+
+void RenderEngine::primeCache() const {
+    // Getting the ProgramCache instance causes it to prime its shader cache,
+    // which is performed in its constructor
+    ProgramCache::getInstance();
+}
+
 // ---------------------------------------------------------------------------
 }; // namespace android
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.h b/services/surfaceflinger/RenderEngine/RenderEngine.h
index 9cc1ed7..0259881 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.h
@@ -63,6 +63,8 @@
 
     static EGLConfig chooseEglConfig(EGLDisplay display, int format);
 
+    void primeCache() const;
+
     // dump the extension strings. always call the base class.
     virtual void dump(String8& result);
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e2bd19f..820c332 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -465,18 +465,13 @@
         mSFEventThread = new EventThread(sfVsyncSrc, *this);
         mEventQueue.setEventThread(mSFEventThread);
 
-        // set EventThread and SFEventThread to SCHED_FIFO for minimum jitter
+        // set SFEventThread to SCHED_FIFO to minimize jitter
         struct sched_param param = {0};
         param.sched_priority = 1;
-        if (sched_setscheduler(mEventThread->getTid(), SCHED_FIFO, &param) != 0) {
-            ALOGE("Couldn't set SCHED_FIFO for EventThread");
-        }
-
         if (sched_setscheduler(mSFEventThread->getTid(), SCHED_FIFO, &param) != 0) {
             ALOGE("Couldn't set SCHED_FIFO for SFEventThread");
         }
 
-
         // Get a RenderEngine for the given display / config (can't fail)
         mRenderEngine = RenderEngine::create(mEGLDisplay,
                 HAL_PIXEL_FORMAT_RGBA_8888);
@@ -509,6 +504,8 @@
     // set initial conditions (e.g. unblank default device)
     initializeDisplays();
 
+    mRenderEngine->primeCache();
+
     // start boot animation
     startBootAnim();
 
@@ -2616,6 +2613,7 @@
     }
 
     if (currentMode == HWC_POWER_MODE_OFF) {
+        // Turn on the display
         getHwComposer().setPowerMode(type, mode);
         if (type == DisplayDevice::DISPLAY_PRIMARY) {
             // FIXME: eventthread only knows about the main display right now
@@ -2626,7 +2624,19 @@
         mVisibleRegionsDirty = true;
         mHasPoweredOff = true;
         repaintEverything();
+
+        struct sched_param param = {0};
+        param.sched_priority = 1;
+        if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
+            ALOGW("Couldn't set SCHED_FIFO on display on");
+        }
     } else if (mode == HWC_POWER_MODE_OFF) {
+        // Turn off the display
+        struct sched_param param = {0};
+        if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
+            ALOGW("Couldn't set SCHED_OTHER on display off");
+        }
+
         if (type == DisplayDevice::DISPLAY_PRIMARY) {
             disableHardwareVsync(true); // also cancels any in-progress resync
 
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 6fe2358..34240b4 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -461,13 +461,9 @@
     mSFEventThread = new EventThread(sfVsyncSrc, *this);
     mEventQueue.setEventThread(mSFEventThread);
 
-    // set EventThread and SFEventThread to SCHED_FIFO for minimum jitter
+    // set SFEventThread to SCHED_FIFO to minimize jitter
     struct sched_param param = {0};
     param.sched_priority = 1;
-    if (sched_setscheduler(mEventThread->getTid(), SCHED_FIFO, &param) != 0) {
-        ALOGE("Couldn't set SCHED_FIFO for EventThread");
-    }
-
     if (sched_setscheduler(mSFEventThread->getTid(), SCHED_FIFO, &param) != 0) {
         ALOGE("Couldn't set SCHED_FIFO for SFEventThread");
     }
@@ -538,6 +534,8 @@
     // set initial conditions (e.g. unblank default device)
     initializeDisplays();
 
+    mRenderEngine->primeCache();
+
     // start boot animation
     startBootAnim();
 }
@@ -2532,6 +2530,7 @@
     }
 
     if (currentMode == HWC_POWER_MODE_OFF) {
+        // Turn on the display
         getHwComposer().setPowerMode(type, mode);
         if (type == DisplayDevice::DISPLAY_PRIMARY) {
             // FIXME: eventthread only knows about the main display right now
@@ -2542,7 +2541,19 @@
         mVisibleRegionsDirty = true;
         mHasPoweredOff = true;
         repaintEverything();
+
+        struct sched_param param = {0};
+        param.sched_priority = 1;
+        if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
+            ALOGW("Couldn't set SCHED_FIFO on display on");
+        }
     } else if (mode == HWC_POWER_MODE_OFF) {
+        // Turn off the display
+        struct sched_param param = {0};
+        if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
+            ALOGW("Couldn't set SCHED_OTHER on display off");
+        }
+
         if (type == DisplayDevice::DISPLAY_PRIMARY) {
             disableHardwareVsync(true); // also cancels any in-progress resync
 
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index 543d0c7..53a63bd 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -64,7 +64,7 @@
     sm->addService(String16(GpuService::SERVICE_NAME), gpuservice, false);
 
     struct sched_param param = {0};
-    param.sched_priority = 1;
+    param.sched_priority = 2;
     if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
         ALOGE("Couldn't set SCHED_FIFO");
     }