diff --git a/Android.mk b/Android.mk
index 3fd19c1..772b66e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,4 +1,4 @@
-display-hals := libgralloc libgenlock libcopybit liblight libvirtual
+display-hals := libgralloc libgenlock libcopybit liblight
 display-hals += libhwcomposer liboverlay libqdutils libexternal libqservice
 display-hals += libmemtrack
 ifeq ($(call is-vendor-board-platform,QCOM),true)
diff --git a/common.mk b/common.mk
index 774050e..44bef71 100644
--- a/common.mk
+++ b/common.mk
@@ -6,7 +6,6 @@
 common_includes += $(LOCAL_PATH)/../libhwcomposer
 common_includes += $(LOCAL_PATH)/../libexternal
 common_includes += $(LOCAL_PATH)/../libqservice
-common_includes += $(LOCAL_PATH)/../libvirtual
 
 ifeq ($(TARGET_USES_POST_PROCESSING),true)
     common_flags     += -DUSES_POST_PROCESSING
diff --git a/libhwcomposer/Android.mk b/libhwcomposer/Android.mk
index ef7778b..c8229a8 100644
--- a/libhwcomposer/Android.mk
+++ b/libhwcomposer/Android.mk
@@ -11,7 +11,7 @@
 LOCAL_SHARED_LIBRARIES        := $(common_libs) libEGL liboverlay \
                                  libexternal libqdutils libhardware_legacy \
                                  libdl libmemalloc libqservice libsync \
-                                 libbinder libmedia libvirtual
+                                 libbinder libmedia
 
 ifeq ($(TARGET_USES_QCOM_BSP),true)
 LOCAL_SHARED_LIBRARIES += libskia
diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 3b480e8..6f4f9c6 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -70,17 +70,6 @@
     }
 };
 
-/* In case of non-hybrid WFD session, we are fooling SF by piggybacking on
- * HDMI display ID for virtual. This helper is needed to differentiate their
- * paths in HAL.
- * TODO: Not needed once we have WFD client working on top of Google API's */
-
-static int getDpyforExternalDisplay(hwc_context_t *ctx, int dpy) {
-    if(dpy == HWC_DISPLAY_EXTERNAL && ctx->mVirtualonExtActive)
-        return HWC_DISPLAY_VIRTUAL;
-    return dpy;
-}
-
 /*
  * Save callback functions registered to HWC
  */
@@ -344,9 +333,8 @@
     ctx->mRotMgr->configBegin();
     overlay::Writeback::configBegin();
 
-    for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) {
-        hwc_display_contents_1_t *list = displays[i];
-        int dpy = getDpyforExternalDisplay(ctx, i);
+    for (int32_t dpy = ((int32_t)numDisplays-1); dpy >=0 ; dpy--) {
+        hwc_display_contents_1_t *list = displays[dpy];
         resetROI(ctx, dpy);
         switch(dpy) {
             case HWC_DISPLAY_PRIMARY:
@@ -415,13 +403,6 @@
     Locker::Autolock _l(ctx->mDrawLock);
     int ret = 0, value = 0;
 
-    /* In case of non-hybrid WFD session, we are fooling SF by
-     * piggybacking on HDMI display ID for virtual.
-     * TODO: Not needed once we have WFD client working on top
-     * of Google API's.
-     */
-    dpy = getDpyforExternalDisplay(ctx,dpy);
-
     ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__,
           blank==1 ? "Blanking":"Unblanking", dpy);
     if(blank) {
@@ -454,31 +435,12 @@
 
         ctx->dpyAttr[dpy].isActive = !blank;
 
-        if(ctx->mVirtualonExtActive) {
-            /* if mVirtualonExtActive is true, display hal will
-             * receive unblank calls for non-hybrid WFD solution
-             * since we piggyback on HDMI.
-             * TODO: Not needed once we have WFD client working on top
-             of Google API's */
-            break;
-        }
     case HWC_DISPLAY_VIRTUAL:
-        /* There are two ways to reach this block of code.
-
-         * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL
-         and ctx->mVirtualonExtActive is true. In this case, non-hybrid
-         WFD is active. If so, getDpyforExternalDisplay will return dpy
-         as HWC_DISPLAY_VIRTUAL.
-
-         * Display hal has received unblank call on HWC_DISPLAY_PRIMARY
+        /* Display hal has received unblank call on HWC_DISPLAY_PRIMARY
          and since SF is not aware of VIRTUAL DISPLAY being handle by HWC,
          it wont send blank / unblank events for it. We piggyback on
          PRIMARY DISPLAY events to release mdp pipes and
          activate/deactivate VIRTUAL DISPLAY.
-
-         * TODO: This separate case statement is not needed once we have
-         WFD client working on top of Google API's.
-
          */
 
         if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) {
@@ -707,9 +669,8 @@
 {
     int ret = 0;
     hwc_context_t* ctx = (hwc_context_t*)(dev);
-    for (int i = 0; i < (int)numDisplays; i++) {
-        hwc_display_contents_1_t* list = displays[i];
-        int dpy = getDpyforExternalDisplay(ctx, i);
+    for (int dpy = 0; dpy < (int)numDisplays; dpy++) {
+        hwc_display_contents_1_t* list = displays[dpy];
         switch(dpy) {
             case HWC_DISPLAY_PRIMARY:
                 ret = hwc_set_primary(ctx, list);
@@ -739,7 +700,6 @@
         uint32_t* configs, size_t* numConfigs) {
     int ret = 0;
     hwc_context_t* ctx = (hwc_context_t*)(dev);
-    disp = getDpyforExternalDisplay(ctx, disp);
     //in 1.1 there is no way to choose a config, report as config id # 0
     //This config is passed to getDisplayAttributes. Ignore for now.
     switch(disp) {
@@ -769,7 +729,6 @@
         uint32_t /*config*/, const uint32_t* attributes, int32_t* values) {
 
     hwc_context_t* ctx = (hwc_context_t*)(dev);
-    disp = getDpyforExternalDisplay(ctx, disp);
     //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error
     if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) {
         return -1;
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
index 7d00d9c..d5139f4 100644
--- a/libhwcomposer/hwc_fbupdate.cpp
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -26,7 +26,6 @@
 #include "hwc_fbupdate.h"
 #include "mdp_version.h"
 #include "external.h"
-#include "virtual.h"
 
 using namespace qdutils;
 using namespace overlay;
diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 5bf7e94..300a321 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -20,7 +20,6 @@
 #include "hwc_mdpcomp.h"
 #include <sys/ioctl.h>
 #include "external.h"
-#include "virtual.h"
 #include "qdMetaData.h"
 #include "mdp_version.h"
 #include "hwc_fbupdate.h"
diff --git a/libhwcomposer/hwc_qclient.cpp b/libhwcomposer/hwc_qclient.cpp
index efe6e16..8490058 100644
--- a/libhwcomposer/hwc_qclient.cpp
+++ b/libhwcomposer/hwc_qclient.cpp
@@ -33,12 +33,14 @@
 #include <mdp_version.h>
 #include <hwc_mdpcomp.h>
 #include <hwc_virtual.h>
+#include <overlay.h>
 
 #define QCLIENT_DEBUG 0
 
 using namespace android;
 using namespace qService;
 using namespace qhwc;
+using namespace overlay;
 
 namespace qClient {
 
@@ -233,7 +235,11 @@
             if (debug_type != IQService::DEBUG_ALL)
                 break;
         case IQService::DEBUG_VD:
-            HWCVirtualBase::dynamicDebug(enable);
+            HWCVirtualVDS::dynamicDebug(enable);
+            if (debug_type != IQService::DEBUG_ALL)
+                break;
+        case IQService::DEBUG_PIPE_LIFECYCLE:
+            Overlay::debugPipeLifecycle(enable);
             if (debug_type != IQService::DEBUG_ALL)
                 break;
     }
diff --git a/libhwcomposer/hwc_uevents.cpp b/libhwcomposer/hwc_uevents.cpp
index f887ccc..7061991 100644
--- a/libhwcomposer/hwc_uevents.cpp
+++ b/libhwcomposer/hwc_uevents.cpp
@@ -31,7 +31,6 @@
 #include "hwc_copybit.h"
 #include "comptype.h"
 #include "external.h"
-#include "virtual.h"
 #include "hwc_virtual.h"
 #include "mdp_version.h"
 using namespace overlay;
@@ -62,8 +61,6 @@
 {
     if(strcasestr("change@/devices/virtual/switch/hdmi", strUdata))
         return HWC_DISPLAY_EXTERNAL;
-    if(strcasestr("change@/devices/virtual/switch/wfd", strUdata))
-        return HWC_DISPLAY_VIRTUAL;
     return -1;
 }
 
@@ -99,64 +96,6 @@
     return -1;
 }
 
-void handle_pause(hwc_context_t* ctx, int dpy) {
-    if(ctx->mHWCVirtual) {
-        ctx->mHWCVirtual->pause(ctx, dpy);
-    }
-    return;
-}
-
-void handle_resume(hwc_context_t* ctx, int dpy) {
-    if(ctx->mHWCVirtual) {
-        ctx->mHWCVirtual->resume(ctx, dpy);
-    }
-    return;
-}
-
-static void teardownWfd(hwc_context_t* ctx) {
-    // Teardown WFD display
-    ALOGD_IF(UEVENT_DEBUG,"Received HDMI connection request when WFD is "
-            "active");
-    {
-        Locker::Autolock _l(ctx->mDrawLock);
-        clear(ctx, HWC_DISPLAY_VIRTUAL);
-        ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected = false;
-        ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
-    }
-
-    ctx->mVirtualDisplay->teardown();
-
-    /* Need to send hotplug only when connected WFD in proprietary path */
-    if(ctx->mVirtualonExtActive) {
-        ALOGE_IF(UEVENT_DEBUG,"%s: Sending EXTERNAL OFFLINE"
-                "hotplug event for wfd display", __FUNCTION__);
-        ctx->proc->hotplug(ctx->proc, HWC_DISPLAY_EXTERNAL,
-                EXTERNAL_OFFLINE);
-        {
-            Locker::Autolock _l(ctx->mDrawLock);
-            ctx->mVirtualonExtActive = false;
-        }
-    }
-
-    if(ctx->mVDSEnabled) {
-        ctx->mWfdSyncLock.lock();
-        ALOGD_IF(HWC_WFDDISPSYNC_LOG,
-                 "%s: Waiting for wfd-teardown to be signalled",__FUNCTION__);
-        ctx->mWfdSyncLock.wait();
-        ALOGD_IF(HWC_WFDDISPSYNC_LOG,
-                 "%s: Teardown signalled. Completed waiting in uevent thread",
-                 __FUNCTION__);
-        ctx->mWfdSyncLock.unlock();
-    } else {
-        /*TODO: Remove this else block and have wait rather than usleep
-          once wfd module issues binder call on teardown.*/
-
-        /* For now, Wait for few frames for SF to tear down the WFD session.*/
-        usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
-               * 2 / 1000);
-    }
-}
-
 static void handle_uevent(hwc_context_t* ctx, const char* udata, int len)
 {
     bool bpanelReset = getPanelResetStatus(ctx, udata, len);
@@ -191,22 +130,13 @@
             ctx->dpyAttr[dpy].connected = false;
             ctx->dpyAttr[dpy].isActive = false;
 
-            if(dpy == HWC_DISPLAY_EXTERNAL) {
-                ctx->mExtDisplay->teardown();
-            } else {
-                ctx->mVirtualDisplay->teardown();
-            }
+            ctx->mExtDisplay->teardown();
 
             /* We need to send hotplug to SF only when we are disconnecting
-             * (1) HDMI OR (2) proprietary WFD session */
-            if(dpy == HWC_DISPLAY_EXTERNAL ||
-               ctx->mVirtualonExtActive) {
-                ALOGE_IF(UEVENT_DEBUG,"%s:Sending EXTERNAL OFFLINE hotplug"
-                         "event", __FUNCTION__);
-                ctx->proc->hotplug(ctx->proc, HWC_DISPLAY_EXTERNAL,
-                                   EXTERNAL_OFFLINE);
-                ctx->mVirtualonExtActive = false;
-            }
+             * HDMI */
+            ALOGE_IF(UEVENT_DEBUG,"%s:Sending EXTERNAL OFFLINE hotplug"
+                    "event", __FUNCTION__);
+            ctx->proc->hotplug(ctx->proc, dpy, EXTERNAL_OFFLINE);
             break;
         }
     case EXTERNAL_ONLINE:
@@ -234,62 +164,26 @@
             usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
                    * 2 / 1000);
 
-            if(dpy == HWC_DISPLAY_EXTERNAL) {
-                if(isVDConnected(ctx)) {
-                    // Do not initiate WFD teardown if WFD architecture is based
-                    // on VDS mechanism.
-                    // WFD Stack listens to HDMI intent and initiates virtual
-                    // display teardown.
-                    // ToDo: Currently non-WFD Virtual display clients do not
-                    // involve HWC. If there is a change, we need to come up
-                    // with mechanism of how to address non-WFD Virtual display
-                    // clients + HDMI
-                    if(isVDSEnabled(ctx)) {
-                        ctx->mWfdSyncLock.lock();
-                        ALOGD_IF(HWC_WFDDISPSYNC_LOG,
-                                "%s: Waiting for wfd-teardown to be signalled",
-                                __FUNCTION__);
-                        ctx->mWfdSyncLock.wait();
-                        ALOGD_IF(HWC_WFDDISPSYNC_LOG,
-                                "%s: Teardown signalled. Completed waiting in"
-                                "uevent thread", __FUNCTION__);
-                        ctx->mWfdSyncLock.unlock();
-                    } else {
-                        // Triple Display is supported on 8084 target
-                        // WFD can be initiated by Wfd-client or Settings app
-                        // 1. wfd-client use hdmi hotplug mechanism.
-                        //    If wfd is connected via wfd-client and if HDMI is
-                        //    connected, we have to teardown wfd session.
-                        //    (as SF support only one active External display
-                        //     at a given time).
-                        //    (ToDo: Once wfd-client migrates using virtual
-                        //     display apis, second condition is redundant).
-                        // 2. Settings app use virtual display mechanism.
-                        //    In this approach, there is no limitation of
-                        //    supporting triple display.
-                        if(!(qdutils::MDPVersion::getInstance().is8084() &&
-                                    !ctx->mVirtualonExtActive)) {
-                            teardownWfd(ctx);
-                        }
-                    }
-                }
-                ctx->mExtDisplay->configure();
-            } else {
-                {
-                    Locker::Autolock _l(ctx->mDrawLock);
-                    /* TRUE only when we are on proprietary WFD session */
-                    ctx->mVirtualonExtActive = true;
-                    char property[PROPERTY_VALUE_MAX];
-                    if((property_get("persist.sys.wfd.virtual",
-                                                  property, NULL) > 0) &&
-                       (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
-                       (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
-                        // This means we are on Google's WFD session
-                        ctx->mVirtualonExtActive = false;
-                    }
-                }
-                ctx->mVirtualDisplay->configure();
+            if(isVDConnected(ctx)) {
+                // Do not initiate WFD teardown if WFD architecture is based
+                // on VDS mechanism.
+                // WFD Stack listens to HDMI intent and initiates virtual
+                // display teardown.
+                // ToDo: Currently non-WFD Virtual display clients do not
+                // involve HWC. If there is a change, we need to come up
+                // with mechanism of how to address non-WFD Virtual display
+                // clients + HDMI
+                ctx->mWfdSyncLock.lock();
+                ALOGD_IF(HWC_WFDDISPSYNC_LOG,
+                        "%s: Waiting for wfd-teardown to be signalled",
+                        __FUNCTION__);
+                ctx->mWfdSyncLock.wait();
+                ALOGD_IF(HWC_WFDDISPSYNC_LOG,
+                        "%s: Teardown signalled. Completed waiting in"
+                        "uevent thread", __FUNCTION__);
+                ctx->mWfdSyncLock.unlock();
             }
+            ctx->mExtDisplay->configure();
 
             Locker::Autolock _l(ctx->mDrawLock);
             setup(ctx, dpy);
@@ -297,37 +191,12 @@
             ctx->dpyAttr[dpy].connected = true;
             ctx->dpyAttr[dpy].isConfiguring = true;
 
-            if(dpy == HWC_DISPLAY_EXTERNAL ||
-               ctx->mVirtualonExtActive) {
-                /* External display is HDMI or non-hybrid WFD solution */
-                ALOGE_IF(UEVENT_DEBUG, "%s: Sending EXTERNAL ONLINE"
-                         "hotplug event", __FUNCTION__);
-                ctx->proc->hotplug(ctx->proc,HWC_DISPLAY_EXTERNAL,
-                                   EXTERNAL_ONLINE);
-            } else {
-                /* We wont be getting unblank for VIRTUAL DISPLAY and its
-                 * always guaranteed from WFD stack that CONNECT uevent for
-                 * VIRTUAL DISPLAY will be triggered before creating
-                 * surface for the same. */
-                ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = true;
-            }
+            /* External display is HDMI */
+            ALOGE_IF(UEVENT_DEBUG, "%s: Sending EXTERNAL ONLINE"
+                    "hotplug event", __FUNCTION__);
+            ctx->proc->hotplug(ctx->proc, dpy, EXTERNAL_ONLINE);
             break;
         }
-        case EXTERNAL_PAUSE:
-            {   // pause case
-                ALOGD("%s Received Pause event",__FUNCTION__);
-                handle_pause(ctx, dpy);
-                break;
-            }
-        case EXTERNAL_RESUME:
-            {  // resume case
-                ALOGD("%s Received resume event",__FUNCTION__);
-                //Treat Resume as Online event
-                //Since external didnt have any pipes, force primary to give up
-                //its pipes; we don't allow inter-mixer pipe transfers.
-                handle_resume(ctx, dpy);
-                break;
-            }
     default:
         {
             ALOGE("%s: Invalid state to swtich:%d", __FUNCTION__, switch_state);
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index e57e573..dcd9cf3 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -38,7 +38,6 @@
 #include "hwc_copybit.h"
 #include "hwc_dump_layers.h"
 #include "external.h"
-#include "virtual.h"
 #include "hwc_qclient.h"
 #include "QService.h"
 #include "comptype.h"
@@ -219,8 +218,7 @@
     }
 
     ctx->mExtDisplay = new ExternalDisplay(ctx);
-    ctx->mVirtualDisplay = new VirtualDisplay(ctx);
-    ctx->mVirtualonExtActive = false;
+    ctx->mHWCVirtual = new HWCVirtualVDS();
     ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
     ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = false;
     ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
@@ -240,14 +238,6 @@
     ctx->mViewFrame[HWC_DISPLAY_PRIMARY].bottom =
          (int)ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
 
-    ctx->mVDSEnabled = false;
-    if((property_get("persist.hwc.enable_vds", value, NULL) > 0)) {
-        if(atoi(value) != 0) {
-            ctx->mVDSEnabled = true;
-        }
-    }
-    ctx->mHWCVirtual = HWCVirtualBase::getObject(ctx->mVDSEnabled);
-
     for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
         ctx->mHwcDebug[i] = new HwcDebug(i);
         ctx->mLayerRotMap[i] = new LayerRotMap();
@@ -542,10 +532,7 @@
     }
     if(ctx->dpyAttr[dpy].mDownScaleMode) {
         int extW, extH;
-        if(dpy == HWC_DISPLAY_EXTERNAL)
-            ctx->mExtDisplay->getAttributes(extW, extH);
-        else
-            ctx->mVirtualDisplay->getAttributes(extW, extH);
+        ctx->mExtDisplay->getAttributes(extW, extH);
         fbWidth  = (float)ctx->dpyAttr[dpy].xres;
         fbHeight = (float)ctx->dpyAttr[dpy].yres;
         //Calculate the position...
@@ -623,10 +610,7 @@
                 float fbWidth  = (float)ctx->dpyAttr[dpy].xres;
                 float fbHeight = (float)ctx->dpyAttr[dpy].yres;
                 // query MDP configured attributes
-                if(dpy == HWC_DISPLAY_EXTERNAL)
-                    ctx->mExtDisplay->getAttributes(extW, extH);
-                else
-                    ctx->mVirtualDisplay->getAttributes(extW, extH);
+                ctx->mExtDisplay->getAttributes(extW, extH);
                 //Calculate the ratio...
                 float wRatio = ((float)extW)/fbWidth;
                 float hRatio = ((float)extH)/fbHeight;
@@ -2370,4 +2354,18 @@
    return t_roi;
 }
 
+void handle_pause(hwc_context_t* ctx, int dpy) {
+    if(ctx->mHWCVirtual) {
+        ctx->mHWCVirtual->pause(ctx, dpy);
+    }
+    return;
+}
+
+void handle_resume(hwc_context_t* ctx, int dpy) {
+    if(ctx->mHWCVirtual) {
+        ctx->mHWCVirtual->resume(ctx, dpy);
+    }
+    return;
+}
+
 };//namespace qhwc
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index 98e53a6..51742be 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -68,7 +68,7 @@
 class CopyBit;
 class HwcDebug;
 class AssertiveDisplay;
-class HWCVirtualBase;
+class HWCVirtualVDS;
 
 
 struct MDPInfo {
@@ -539,7 +539,6 @@
     qhwc::IFBUpdate *mFBUpdate[HWC_NUM_DISPLAY_TYPES];
     // External display related information
     qhwc::ExternalDisplay *mExtDisplay;
-    qhwc::VirtualDisplay *mVirtualDisplay;
     qhwc::MDPInfo mMDP;
     qhwc::VsyncState vstate;
     qhwc::DisplayAttributes dpyAttr[HWC_NUM_DISPLAY_TYPES];
@@ -550,7 +549,7 @@
     hwc_rect_t mViewFrame[HWC_NUM_DISPLAY_TYPES];
     qhwc::AssertiveDisplay *mAD;
     eAnimationState mAnimationState[HWC_NUM_DISPLAY_TYPES];
-    qhwc::HWCVirtualBase *mHWCVirtual;
+    qhwc::HWCVirtualVDS *mHWCVirtual;
 
     // stores the #numHwLayers of the previous frame
     // for each display device
@@ -560,8 +559,6 @@
     int deviceOrientation;
     //Securing in progress indicator
     bool mSecuring;
-    //WFD on proprietary stack
-    bool mVirtualonExtActive;
     //Display in secure mode indicator
     bool mSecureMode;
     //Lock to protect drawing data structures
@@ -586,10 +583,6 @@
     // Downscale feature switch, set via system property
     // sys.hwc.mdp_downscale_enabled
     bool mMDPDownscaleEnabled;
-    // Is WFD enabled through VDS solution ?
-    // This can be set via system property
-    // persist.hwc.enable_vds
-    bool mVDSEnabled;
     struct gpu_hint_info mGPUHintInfo;
     //App Buffer Composition
     bool enableABC;
@@ -627,11 +620,6 @@
             ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected);
 }
 
-/* Return true if HWC supports VirtualDisplaySurface mechanism */
-static inline bool isVDSEnabled(hwc_context_t* ctx) {
-    return ctx->mVDSEnabled;
-}
-
 /* Return Virtual Display connection status */
 static inline bool isVDConnected(hwc_context_t* ctx) {
     return ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected;
diff --git a/libhwcomposer/hwc_virtual.cpp b/libhwcomposer/hwc_virtual.cpp
index a3a7612..b1dde9d 100644
--- a/libhwcomposer/hwc_virtual.cpp
+++ b/libhwcomposer/hwc_virtual.cpp
@@ -36,19 +36,7 @@
 using namespace qhwc;
 using namespace overlay;
 
-bool HWCVirtualBase::sVDDumpEnabled = false;
-HWCVirtualBase* HWCVirtualBase::getObject(bool isVDSEnabled) {
-
-    if(isVDSEnabled) {
-        ALOGD_IF(HWCVIRTUAL_LOG, "%s: VDS is enabled for Virtual display",
-                 __FUNCTION__);
-        return new HWCVirtualVDS();
-    } else {
-        ALOGD_IF(HWCVIRTUAL_LOG, "%s: V4L2 is enabled for Virtual display",
-                 __FUNCTION__);
-        return new HWCVirtualV4L2();
-    }
-}
+bool HWCVirtualVDS::sVDDumpEnabled = false;
 
 void HWCVirtualVDS::init(hwc_context_t *ctx) {
     const int dpy = HWC_DISPLAY_VIRTUAL;
@@ -270,153 +258,3 @@
     }
     return;
 }
-
-/* Implementation for HWCVirtualV4L2 class */
-
-int HWCVirtualV4L2::prepare(hwc_composer_device_1 *dev,
-        hwc_display_contents_1_t *list) {
-    ATRACE_CALL();
-
-    hwc_context_t* ctx = (hwc_context_t*)(dev);
-    const int dpy = HWC_DISPLAY_VIRTUAL;
-
-    if (LIKELY(list && list->numHwLayers > 1) &&
-            ctx->dpyAttr[dpy].isActive &&
-            ctx->dpyAttr[dpy].connected) {
-        reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1);
-        if(!ctx->dpyAttr[dpy].isPause) {
-            ctx->dpyAttr[dpy].isConfiguring = false;
-            setListStats(ctx, list, dpy);
-            if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) {
-                const int fbZ = 0;
-                if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ))
-                {
-                    ctx->mOverlay->clear(dpy);
-                    ctx->mLayerRotMap[dpy]->clear();
-                }
-            }
-        } else {
-            /* Virtual Display is in Pause state.
-             * Mark all application layers as OVERLAY so that
-             * GPU will not compose.
-             */
-            for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) {
-                hwc_layer_1_t *layer = &list->hwLayers[i];
-                layer->compositionType = HWC_OVERLAY;
-            }
-        }
-    }
-    return 0;
-}
-
-int HWCVirtualV4L2::set(hwc_context_t *ctx, hwc_display_contents_1_t *list) {
-    ATRACE_CALL();
-    int ret = 0;
-
-    const int dpy = HWC_DISPLAY_VIRTUAL;
-
-    if (LIKELY(list) && ctx->dpyAttr[dpy].isActive &&
-            ctx->dpyAttr[dpy].connected &&
-            !ctx->dpyAttr[dpy].isPause) {
-        uint32_t last = (uint32_t)list->numHwLayers - 1;
-        hwc_layer_1_t *fbLayer = &list->hwLayers[last];
-        int fd = -1; //FenceFD from the Copybit(valid in async mode)
-        bool copybitDone = false;
-        if(ctx->mCopyBit[dpy])
-            copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd);
-
-        if(list->numHwLayers > 1)
-            hwc_sync(ctx, list, dpy, fd);
-
-            // Dump the layers for virtual
-            if(ctx->mHwcDebug[dpy])
-                ctx->mHwcDebug[dpy]->dumpLayers(list);
-
-        if (!ctx->mMDPComp[dpy]->draw(ctx, list)) {
-            ALOGE("%s: MDPComp draw failed", __FUNCTION__);
-            ret = -1;
-        }
-
-        private_handle_t *hnd = (private_handle_t *)fbLayer->handle;
-        if(copybitDone) {
-            hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer();
-        }
-
-        if(hnd) {
-            if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) {
-                ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__);
-                ret = -1;
-            }
-        }
-
-        if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) {
-            ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy);
-            ret = -1;
-        }
-    }
-
-    closeAcquireFds(list);
-
-    if (list && list->outbuf && (list->retireFenceFd < 0) ) {
-        // SF assumes HWC waits for the acquire fence and returns a new fence
-        // that signals when we're done. Since we don't wait, and also don't
-        // touch the buffer, we can just handle the acquire fence back to SF
-        // as the retire fence.
-        list->retireFenceFd = list->outbufAcquireFenceFd;
-    }
-
-    return ret;
-}
-
-void HWCVirtualV4L2::pause(hwc_context_t* ctx, int dpy) {
-    {
-        Locker::Autolock _l(ctx->mDrawLock);
-        ctx->dpyAttr[dpy].isActive = true;
-        ctx->dpyAttr[dpy].isPause = true;
-        ctx->proc->invalidate(ctx->proc);
-    }
-    usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
-            * 2 / 1000);
-    // At this point all the pipes used by External have been
-    // marked as UNSET.
-    {
-        Locker::Autolock _l(ctx->mDrawLock);
-        // Perform commit to unstage the pipes.
-        if (!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) {
-            ALOGE("%s: display commit fail! for %d dpy",
-                    __FUNCTION__, dpy);
-        }
-    }
-    return;
-}
-
-void HWCVirtualV4L2::resume(hwc_context_t* ctx, int dpy){
-    //Treat Resume as Online event
-    //Since external didnt have any pipes, force primary to give up
-    //its pipes; we don't allow inter-mixer pipe transfers.
-    {
-        Locker::Autolock _l(ctx->mDrawLock);
-
-        // A dynamic resolution change (DRC) can be made for a WiFi
-        // display. In order to support the resolution change, we
-        // need to reconfigure the corresponding display attributes.
-        // Since DRC is only on WiFi display, we only need to call
-        // configure() on the VirtualDisplay device.
-        //TODO: clean up
-        if(dpy == HWC_DISPLAY_VIRTUAL)
-            ctx->mVirtualDisplay->configure();
-
-        ctx->dpyAttr[dpy].isConfiguring = true;
-        ctx->dpyAttr[dpy].isActive = true;
-        ctx->proc->invalidate(ctx->proc);
-    }
-    usleep(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period
-            * 2 / 1000);
-    //At this point external has all the pipes it would need.
-    {
-        Locker::Autolock _l(ctx->mDrawLock);
-        ctx->dpyAttr[dpy].isPause = false;
-        ctx->proc->invalidate(ctx->proc);
-    }
-    return;
-}
diff --git a/libhwcomposer/hwc_virtual.h b/libhwcomposer/hwc_virtual.h
index 5f7b20f..5ca99f7 100644
--- a/libhwcomposer/hwc_virtual.h
+++ b/libhwcomposer/hwc_virtual.h
@@ -22,26 +22,29 @@
 #define HWC_VIRTUAL
 
 #include <hwc_utils.h>
-#include <virtual.h>
 
 namespace qhwc {
-namespace ovutils = overlay::utils;
 
-// Base and abstract class for VDS and V4L2 wfd design.
-class HWCVirtualBase {
+class HWCVirtualVDS {
 public:
-    explicit HWCVirtualBase(){};
-    virtual ~HWCVirtualBase(){};
-    // instantiates and returns the pointer to VDS or V4L2 object.
-    static HWCVirtualBase* getObject(bool isVDSEnabled);
-    virtual int prepare(hwc_composer_device_1 *dev,
-                          hwc_display_contents_1_t* list) = 0;
-    virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list) = 0;
-    virtual void init(hwc_context_t *ctx) = 0;
-    virtual void destroy(hwc_context_t *ctx, size_t numDisplays,
-                       hwc_display_contents_1_t** displays) = 0;
-    virtual void pause(hwc_context_t* ctx, int dpy) = 0;
-    virtual void resume(hwc_context_t* ctx, int dpy) = 0;
+    HWCVirtualVDS(){};
+    ~HWCVirtualVDS(){};
+    // Chooses composition type and configures pipe for each layer in virtual
+    // display list
+    int prepare(hwc_composer_device_1 *dev,
+                          hwc_display_contents_1_t* list);
+    // Queues the buffer for each layer in virtual display list and call display
+    // commit.
+    int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
+    // instantiates mdpcomp, copybit and fbupdate objects and initialize those
+    // objects for virtual display during virtual display connect.
+    void init(hwc_context_t *ctx);
+    // Destroys mdpcomp, copybit and fbupdate objects and for virtual display
+    // during virtual display disconnect.
+    void destroy(hwc_context_t *ctx, size_t numDisplays,
+                       hwc_display_contents_1_t** displays);
+    void pause(hwc_context_t* ctx, int dpy);
+    void resume(hwc_context_t* ctx, int dpy);
     // We can dump the frame buffer and WB
     // output buffer by dynamically enabling
     // dumping via a binder call:
@@ -50,50 +53,5 @@
     static void dynamicDebug(bool enable) {sVDDumpEnabled = enable;};
 };
 
-class HWCVirtualVDS : public HWCVirtualBase {
-public:
-    explicit HWCVirtualVDS(){};
-    virtual ~HWCVirtualVDS(){};
-    // Chooses composition type and configures pipe for each layer in virtual
-    // display list
-    virtual int prepare(hwc_composer_device_1 *dev,
-                          hwc_display_contents_1_t* list);
-    // Queues the buffer for each layer in virtual display list and call display
-    // commit.
-    virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
-    // instantiates mdpcomp, copybit and fbupdate objects and initialize those
-    // objects for virtual display during virtual display connect.
-    virtual void init(hwc_context_t *ctx);
-    // Destroys mdpcomp, copybit and fbupdate objects and for virtual display
-    // during virtual display disconnect.
-    virtual void destroy(hwc_context_t *ctx, size_t numDisplays,
-                       hwc_display_contents_1_t** displays);
-    virtual void pause(hwc_context_t* ctx, int dpy);
-    virtual void resume(hwc_context_t* ctx, int dpy);
-};
-
-class HWCVirtualV4L2 : public HWCVirtualBase {
-public:
-    explicit HWCVirtualV4L2(){};
-    virtual ~HWCVirtualV4L2(){};
-    // Chooses composition type and configures pipe for each layer in virtual
-    // display list
-    virtual int prepare(hwc_composer_device_1 *dev,
-                         hwc_display_contents_1_t* list);
-    // Queues the buffer for each layer in virtual display list and call
-    // display commit.
-    virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
-    // instantiates mdpcomp, copybit and fbupdate objects and initialize those
-    // objects for virtual display during virtual display connect. This function
-    // is no-op for V4L2 design
-    virtual void init(hwc_context_t *) {};
-    // Destroys mdpcomp, copybit and fbupdate objects and for virtual display
-    // during virtual display disconnect. This function is no-op for V4L2 design
-    virtual void destroy(hwc_context_t *, size_t ,
-                       hwc_display_contents_1_t** ) {};
-    virtual void pause(hwc_context_t* ctx, int dpy);
-    virtual void resume(hwc_context_t* ctx, int dpy);
-};
-
 }; //namespace
 #endif
diff --git a/liboverlay/mdpWrapper.h b/liboverlay/mdpWrapper.h
index 60e972f..349b720 100644
--- a/liboverlay/mdpWrapper.h
+++ b/liboverlay/mdpWrapper.h
@@ -44,8 +44,11 @@
 #include <utils/Trace.h>
 #include <errno.h>
 #include "overlayUtils.h"
+#include "overlay.h"
 
 #define IOCTL_DEBUG 0
+#define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
+#define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
 
 namespace overlay{
 
@@ -179,11 +182,33 @@
 
 inline bool validateAndSet(const int& fd, mdp_overlay_list& list) {
     ATRACE_CALL();
+    uint32_t id = 0;
+    if(UNLIKELY(Overlay::isDebugPipeLifecycle())) {
+        for(uint32_t i = 0; i < list.num_overlays; i++) {
+            if(list.overlay_list[i]->id != (uint32_t)MSMFB_NEW_REQUEST) {
+                id |= list.overlay_list[i]->id;
+            }
+        }
+
+        ALOGD("%s Total pipes needed: %d, Exisiting pipe mask 0x%04x",
+                __FUNCTION__, list.num_overlays, id);
+        id = 0;
+    }
+
     if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) {
         ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE "
                 "err=%s", strerror(errno));
         return false;
     }
+
+    if(UNLIKELY(Overlay::isDebugPipeLifecycle())) {
+        for(uint32_t i = 0; i < list.num_overlays; i++) {
+            id |= list.overlay_list[i]->id;
+        }
+
+        ALOGD("%s Pipe mask after OVERLAY_PREPARE 0x%04x", __FUNCTION__, id);
+    }
+
     return true;
 }
 
@@ -199,6 +224,9 @@
 
 inline bool unsetOverlay(int fd, int ovId) {
     ATRACE_CALL();
+    ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s Unsetting pipe 0x%04x",
+            __FUNCTION__, ovId);
+
     if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
                 strerror(errno));
@@ -229,6 +257,8 @@
 
 inline bool displayCommit(int fd, mdp_display_commit& info) {
     ATRACE_CALL();
+    ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s", __FUNCTION__);
+
     if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
         ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
                 strerror(errno));
diff --git a/liboverlay/overlay.cpp b/liboverlay/overlay.cpp
index c016d3d..85c9b78 100644
--- a/liboverlay/overlay.cpp
+++ b/liboverlay/overlay.cpp
@@ -34,8 +34,6 @@
 #include "qdMetaData.h"
 #include "qd_utils.h"
 
-#define PIPE_DEBUG 0
-
 namespace overlay {
 using namespace utils;
 using namespace qdutils;
@@ -47,7 +45,6 @@
         mPipeBook[i].init();
     }
 
-    mDumpStr[0] = '\0';
     initScalar();
     setDMAMultiplexingSupported();
 }
@@ -65,7 +62,6 @@
         PipeBook::resetUse(i);
         PipeBook::resetAllocation(i);
     }
-    mDumpStr[0] = '\0';
 }
 
 void Overlay::configDone() {
@@ -74,19 +70,9 @@
                     isSessionEnded((eDest)i)) {
             //Forces UNSET on pipes, flushes rotator memory and session, closes
             //fds
-            if(mPipeBook[i].valid()) {
-                char str[32];
-                snprintf(str, 32, "Unset=%s dpy=%d mix=%d; ",
-                        PipeBook::getDestStr((eDest)i),
-                        mPipeBook[i].mDisplay, mPipeBook[i].mMixer);
-#if PIPE_DEBUG
-                strlcat(mDumpStr, str, sizeof(mDumpStr));
-#endif
-            }
             mPipeBook[i].destroy();
         }
     }
-    dump();
     PipeBook::save();
 }
 
@@ -139,16 +125,7 @@
         if(not mPipeBook[index].valid()) {
             mPipeBook[index].mPipe = new GenericPipe(dpy);
             mPipeBook[index].mSession = PipeBook::NONE;
-            char str[32];
-            snprintf(str, 32, "Set=%s dpy=%d mix=%d; ",
-                     PipeBook::getDestStr(dest), dpy, mixer);
-#if PIPE_DEBUG
-            strlcat(mDumpStr, str, sizeof(mDumpStr));
-#endif
         }
-    } else {
-        ALOGD_IF(PIPE_DEBUG, "Pipe unavailable type=%d display=%d mixer=%d",
-                (int)type, dpy, mixer);
     }
 
     return dest;
@@ -507,14 +484,6 @@
     return true;
 }
 
-void Overlay::dump() const {
-#if PIPE_DEBUG
-    if(strlen(mDumpStr)) { //dump only on state change
-        ALOGD("%s\n", mDumpStr);
-    }
-#endif
-}
-
 void Overlay::getDump(char *buf, size_t len) {
     int totalPipes = 0;
     const char *str = "\nOverlay State\n\n";
@@ -596,6 +565,7 @@
 int Overlay::sDpyFbMap[DPY_MAX] = {0, -1, -1};
 int Overlay::sDMAMode = DMA_LINE_MODE;
 bool Overlay::sDMAMultiplexingSupported = false;
+bool Overlay::sDebugPipeLifecycle = false;
 int Overlay::PipeBook::NUM_PIPES = 0;
 int Overlay::PipeBook::sPipeUsageBitmap = 0;
 int Overlay::PipeBook::sLastUsageBitmap = 0;
diff --git a/liboverlay/overlay.h b/liboverlay/overlay.h
index 4f5d56d..e8369ca 100644
--- a/liboverlay/overlay.h
+++ b/liboverlay/overlay.h
@@ -152,6 +152,10 @@
      * Single interface panels will only update left ROI. */
     static bool displayCommit(const int& fd, const utils::Dim& lRoi,
                               const utils::Dim& rRoi);
+    /* Logs pipe lifecycle events like set, unset, commit when enabled */
+    static void debugPipeLifecycle(const bool& enable);
+    /* Returns true if pipe life cycle logging is enabled */
+    static bool isDebugPipeLifecycle();
 
 private:
     /* Ctor setup */
@@ -159,7 +163,6 @@
     /*Validate index range, abort if invalid */
     void validate(int index);
     static void setDMAMultiplexingSupported();
-    void dump() const;
     /* Returns an available pipe based on the type of pipe requested. When ANY
      * is requested, the first available VG or RGB is returned. If no pipe is
      * available for the display "dpy" then INV is returned. Note: If a pipe is
@@ -239,9 +242,6 @@
 
     PipeBook mPipeBook[utils::OV_INVALID]; //Used as max
 
-    /* Dump string */
-    char mDumpStr[1024];
-
     /* Singleton Instance*/
     static Overlay *sInstance;
     static int sDpyFbMap[DPY_MAX];
@@ -249,6 +249,7 @@
     static bool sDMAMultiplexingSupported;
     static void *sLibScaleHandle;
     static int (*sFnProgramScale)(struct mdp_overlay_list *);
+    static bool sDebugPipeLifecycle;
 
     friend class MdpCtrl;
 };
@@ -342,6 +343,14 @@
     return sFnProgramScale;
 }
 
+inline void Overlay::debugPipeLifecycle(const bool& enable) {
+    sDebugPipeLifecycle = enable;
+}
+
+inline bool Overlay::isDebugPipeLifecycle() {
+    return sDebugPipeLifecycle;
+}
+
 inline bool Overlay::PipeBook::valid() {
     return (mPipe != NULL);
 }
diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
index 108313b..f695d18 100644
--- a/libqdutils/mdp_version.cpp
+++ b/libqdutils/mdp_version.cpp
@@ -179,6 +179,7 @@
         size_t len = PAGE_SIZE;
         ssize_t read;
         char *readLine = (char *) malloc (len);
+        char property[PROPERTY_VALUE_MAX];
         while((read = getline((char **)&readLine, &len,
                               panelInfoNodeFP)) != -1) {
             int token_ct=0;
@@ -223,6 +224,12 @@
                 }
             }
         }
+        if((property_get("persist.hwc.pubypass", property, 0) > 0) &&
+            (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
+            (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
+                mPanelInfo.mPartialUpdateEnable = 0;
+                ALOGI("PartialUpdate disabled by property");
+        }
         fclose(panelInfoNodeFP);
     } else {
         ALOGE("Failed to open msm_fb_panel_info node");
diff --git a/libqservice/IQService.h b/libqservice/IQService.h
index 9be04b2..30c064e 100644
--- a/libqservice/IQService.h
+++ b/libqservice/IQService.h
@@ -65,7 +65,8 @@
         DEBUG_ALL,
         DEBUG_MDPCOMP,
         DEBUG_VSYNC,
-        DEBUG_VD
+        DEBUG_VD,
+        DEBUG_PIPE_LIFECYCLE,
     };
 
     // Register a client that can be notified
diff --git a/libvirtual/Android.mk b/libvirtual/Android.mk
deleted file mode 100644
index a41ef33..0000000
--- a/libvirtual/Android.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-include $(LOCAL_PATH)/../common.mk
-include $(CLEAR_VARS)
-
-LOCAL_MODULE                  := libvirtual
-LOCAL_MODULE_TAGS             := optional
-LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
-LOCAL_SHARED_LIBRARIES        := $(common_libs) liboverlay libqdutils
-LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdvirtual\"
-LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
-LOCAL_SRC_FILES               := virtual.cpp
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/libvirtual/virtual.cpp b/libvirtual/virtual.cpp
deleted file mode 100644
index 44d0603..0000000
--- a/libvirtual/virtual.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
-* Copyright (c) 2013 The Linux Foundation. All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions are
-* met:
-*    * Redistributions of source code must retain the above copyright
-*      notice, this list of conditions and the following disclaimer.
-*    * Redistributions in binary form must reproduce the above
-*      copyright notice, this list of conditions and the following
-*      disclaimer in the documentation and/or other materials provided
-*      with the distribution.
-*    * Neither the name of The Linux Foundation. nor the names of its
-*      contributors may be used to endorse or promote products derived
-*      from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
-* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
-* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
-* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#define DEBUG 0
-#include <ctype.h>
-#include <fcntl.h>
-#include <media/IAudioPolicyService.h>
-#include <media/AudioSystem.h>
-#include <utils/threads.h>
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include <linux/msm_mdp.h>
-#include <linux/fb.h>
-#include <sys/ioctl.h>
-#include <sys/poll.h>
-#include <sys/resource.h>
-#include <cutils/properties.h>
-#include "hwc_utils.h"
-#include "virtual.h"
-#include "overlayUtils.h"
-#include "overlay.h"
-#include "qd_utils.h"
-
-using namespace android;
-using namespace qdutils;
-
-namespace qhwc {
-
-int VirtualDisplay::configure() {
-    if(!openFrameBuffer())
-        return -1;
-
-    if(ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo) < 0) {
-        ALOGD("%s: FBIOGET_VSCREENINFO failed with %s", __FUNCTION__,
-                strerror(errno));
-        return -1;
-    }
-    setAttributes();
-    return 0;
-}
-
-void VirtualDisplay::getAttributes(int& width, int& height) {
-    width = mVInfo.xres;
-    height = mVInfo.yres;
-}
-
-int VirtualDisplay::teardown() {
-    closeFrameBuffer();
-    memset(&mVInfo, 0, sizeof(mVInfo));
-    // Reset the resolution when we close the fb for this device. We need
-    // this to distinguish between an ONLINE and RESUME event.
-    mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].xres = 0;
-    mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].yres = 0;
-    return 0;
-}
-
-VirtualDisplay::VirtualDisplay(hwc_context_t* ctx):mFd(-1),
-     mHwcContext(ctx)
-{
-    memset(&mVInfo, 0, sizeof(mVInfo));
-}
-
-VirtualDisplay::~VirtualDisplay()
-{
-    closeFrameBuffer();
-}
-
-/* Initializes the resolution attributes of the virtual display
-   that are reported to SurfaceFlinger.
-   Cases:
-       1. ONLINE event - initialize to frame buffer resolution
-       2. RESUME event - retain original resolution
-*/
-void VirtualDisplay::initResolution(uint32_t &extW, uint32_t &extH) {
-    // On ONLINE event, display resolution attributes are 0.
-    if(extW == 0 || extH == 0){
-        extW = mVInfo.xres;
-        extH = mVInfo.yres;
-    }
-}
-
-/* Sets the virtual resolution to match that of the primary
-   display in the event that the virtual display currently
-   connected has a lower resolution. NB: we always report the
-   highest available resolution to SurfaceFlinger.
-*/
-void VirtualDisplay::setToPrimary(uint32_t maxArea,
-                                  uint32_t priW,
-                                  uint32_t priH,
-                                  uint32_t &extW,
-                                  uint32_t &extH) {
-    // for eg., primary in 1600p and WFD in 1080p
-    // we wont use downscale feature because MAX MDP
-    // writeback resolution supported is 1080p (tracked
-    // by SUPPORTED_DOWNSCALE_AREA).
-    if((maxArea == (priW * priH))
-        && (maxArea <= SUPPORTED_DOWNSCALE_AREA)) {
-        // tmpW and tmpH will hold the primary dimensions before we
-        // update the aspect ratio if necessary.
-        uint32_t tmpW = priW;
-        uint32_t tmpH = priH;
-        // If WFD is in landscape, assign the higher dimension
-        // to WFD's xres.
-        if(priH > priW) {
-            tmpW = priH;
-            tmpH = priW;
-        }
-        // The aspect ratios of the external and primary displays
-        // can be different. As a result, directly assigning primary
-        // resolution could lead to an incorrect final image.
-        // We get around this by calculating a new resolution by
-        // keeping aspect ratio intact.
-        hwc_rect r = {0, 0, 0, 0};
-        qdutils::getAspectRatioPosition(tmpW, tmpH, extW, extH, r);
-        extW = r.right - r.left;
-        extH = r.bottom - r.top;
-    }
-}
-
-/* Set External Display MDP Downscale mode indicator. Only set to
-   TRUE for the following scenarios:
-   1. Valid DRC scenarios i.e. when the original WFD resolution
-      is greater than the new/requested resolution in mVInfo.
-   2. WFD down scale path i.e. when WFD resolution is lower than
-      primary resolution.
-   Furthermore, downscale mode is only valid when downscaling from
-   SUPPORTED_DOWNSCALE_AREA to a lower resolution.
-   (SUPPORTED_DOWNSCALE_AREA represents the maximum resolution that
-   we can configure to the virtual display)
-*/
-void VirtualDisplay::setDownScaleMode(uint32_t maxArea) {
-    if((maxArea > (mVInfo.xres * mVInfo.yres))
-        && (maxArea <= SUPPORTED_DOWNSCALE_AREA)) {
-        mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].mDownScaleMode = true;
-    }else {
-        mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].mDownScaleMode = false;
-    }
-}
-
-void VirtualDisplay::setAttributes() {
-    if(mHwcContext) {
-        uint32_t &extW = mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].xres;
-        uint32_t &extH = mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].yres;
-        uint32_t priW = mHwcContext->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
-        uint32_t priH = mHwcContext->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
-
-        // Dynamic Resolution Change depends on MDP downscaling.
-        // MDP downscale property will be ignored to exercise DRC use case.
-        // If DRC is in progress, ext WxH will have non-zero values.
-        bool isDRC = (extW > mVInfo.xres) && (extH > mVInfo.yres);
-
-        initResolution(extW, extH);
-
-        if(mHwcContext->mOverlay->isUIScalingOnExternalSupported()
-                && (mHwcContext->mMDPDownscaleEnabled || isDRC)) {
-
-            // maxArea represents the maximum resolution between
-            // primary and virtual display.
-            uint32_t maxArea = max((extW * extH), (priW * priH));
-
-            setToPrimary(maxArea, priW, priH, extW, extH);
-
-            setDownScaleMode(maxArea);
-        }
-        //Initialize the display viewFrame info
-        mHwcContext->mViewFrame[HWC_DISPLAY_VIRTUAL].left = 0;
-        mHwcContext->mViewFrame[HWC_DISPLAY_VIRTUAL].top = 0;
-        mHwcContext->mViewFrame[HWC_DISPLAY_VIRTUAL].right =
-            (int)mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].xres;
-        mHwcContext->mViewFrame[HWC_DISPLAY_VIRTUAL].bottom =
-            (int)mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].yres;
-        mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].vsync_period =
-                1000000000l /60;
-        ALOGD_IF(DEBUG,"%s: Setting Virtual Attr: res(%d x %d)",__FUNCTION__,
-                 mVInfo.xres, mVInfo.yres);
-    }
-}
-
-bool VirtualDisplay::openFrameBuffer()
-{
-    if (mFd == -1) {
-        int fbNum = overlay::Overlay::getInstance()->
-                                   getFbForDpy(HWC_DISPLAY_VIRTUAL);
-
-        char strDevPath[qdutils::MAX_SYSFS_FILE_PATH];
-        snprintf(strDevPath,sizeof(strDevPath), "/dev/graphics/fb%d", fbNum);
-
-        mFd = open(strDevPath, O_RDWR);
-        if(mFd < 0) {
-            ALOGE("%s: Unable to open %s ", __FUNCTION__,strDevPath);
-            return -1;
-        }
-
-        mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].fd = mFd;
-    }
-    return 1;
-}
-
-bool VirtualDisplay::closeFrameBuffer()
-{
-    if(mFd >= 0) {
-        if(close(mFd) < 0 ) {
-            ALOGE("%s: Unable to close FD(%d)", __FUNCTION__, mFd);
-            return -1;
-        }
-        mFd = -1;
-        mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].fd = mFd;
-    }
-    return 1;
-}
-};
diff --git a/libvirtual/virtual.h b/libvirtual/virtual.h
deleted file mode 100644
index a6aec40..0000000
--- a/libvirtual/virtual.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-* Copyright (c) 2013 The Linux Foundation. All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions are
-* met:
-*    * Redistributions of source code must retain the above copyright
-*      notice, this list of conditions and the following disclaimer.
-*    * Redistributions in binary form must reproduce the above
-*      copyright notice, this list of conditions and the following
-*      disclaimer in the documentation and/or other materials provided
-*      with the distribution.
-*    * Neither the name of The Linux Foundation. nor the names of its
-*      contributors may be used to endorse or promote products derived
-*      from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
-* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
-* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
-* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#ifndef HWC_VIRTUAL_DISPLAY_H
-#define HWC_VIRTUAL_DISPLAY_H
-
-#include <linux/fb.h>
-
-struct hwc_context_t;
-
-namespace qhwc {
-
-class VirtualDisplay
-{
-public:
-    VirtualDisplay(hwc_context_t* ctx);
-    ~VirtualDisplay();
-    int  configure();
-    void getAttributes(int& width, int& height);
-    int  teardown();
-    bool isConnected() {
-        return  mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].connected;
-    }
-private:
-    bool openFrameBuffer();
-    bool closeFrameBuffer();
-    void setAttributes();
-    void initResolution(uint32_t &extW, uint32_t &extH);
-    void setToPrimary(uint32_t maxArea, uint32_t priW, uint32_t priH,
-                      uint32_t &extW, uint32_t &extH);
-    void setDownScaleMode(uint32_t maxArea);
-
-    int mFd;
-    hwc_context_t *mHwcContext;
-    fb_var_screeninfo mVInfo;
-};
-}; //qhwc
-// ---------------------------------------------------------------------------
-#endif //HWC_VIRTUAL_DISPLAY_H