diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index 6a6547bdf..4f288402b 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -21,6 +21,7 @@
 #include "InputManager.h"
 
 #include <cutils/log.h>
+#include <cutils/iosched_policy.h>
 
 namespace android {
 
@@ -51,13 +52,15 @@ void InputManager::initialize() {
 }
 
 status_t InputManager::start() {
-    status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
+    status_t result = mDispatcherThread->run("InputDispatcher",
+            PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
     if (result) {
         ALOGE("Could not start InputDispatcher thread due to error %d.", result);
         return result;
     }
 
-    result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
+    result = mReaderThread->run("InputReader",
+            PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
     if (result) {
         ALOGE("Could not start InputReader thread due to error %d.", result);
 
@@ -65,6 +68,9 @@ status_t InputManager::start() {
         return result;
     }
 
+    android_set_rt_ioprio(mDispatcherThread->getTid(), 1);
+    android_set_rt_ioprio(mReaderThread->getTid(), 1);
+
     return OK;
 }
 
diff --git a/services/surfaceflinger/DispSync.cpp b/services/surfaceflinger/DispSync.cpp
index 3738a5548..73b389730 100644
--- a/services/surfaceflinger/DispSync.cpp
+++ b/services/surfaceflinger/DispSync.cpp
@@ -21,6 +21,7 @@
 
 #include <math.h>
 
+#include <cutils/iosched_policy.h>
 #include <cutils/log.h>
 
 #include <ui/Fence.h>
@@ -292,6 +293,7 @@ DispSync::DispSync() :
         mThread(new DispSyncThread()) {
 
     mThread->run("DispSync", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
+    android_set_rt_ioprio(mThread->getTid(), 1);
 
     reset();
     beginResync();
diff --git a/services/surfaceflinger/EventThread.cpp b/services/surfaceflinger/EventThread.cpp
index f76020000..973a8bc4c 100644
--- a/services/surfaceflinger/EventThread.cpp
+++ b/services/surfaceflinger/EventThread.cpp
@@ -20,6 +20,7 @@
 #include <sys/types.h>
 
 #include <cutils/compiler.h>
+#include <cutils/iosched_policy.h>
 
 #include <gui/BitTube.h>
 #include <gui/IDisplayEventConnection.h>
@@ -91,6 +92,7 @@ void EventThread::sendVsyncHintOnLocked() {
 
 void EventThread::onFirstRef() {
     run("EventThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
+    android_set_rt_ioprio(getTid(), 1);
 }
 
 sp<EventThread::Connection> EventThread::createEventConnection() const {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 8e928120e..08769c901 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -27,6 +27,7 @@
 #include <EGL/egl.h>
 
 #include <cutils/log.h>
+#include <cutils/iosched_policy.h>
 #include <cutils/properties.h>
 
 #include <binder/IPCThreadState.h>
@@ -512,6 +513,7 @@ void SurfaceFlinger::init() {
 
     mEventControlThread = new EventControlThread(this);
     mEventControlThread->run("EventControl", PRIORITY_URGENT_DISPLAY);
+    android_set_rt_ioprio(mEventControlThread->getTid(), 1);
 
     // set a fake vsync period if there is no HWComposer
     if (mHwc->initCheck() != NO_ERROR) {