diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index a0b9646..431136e 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -586,6 +586,15 @@
             ALOGD_IF(isDebug(), "%s: Unsupported layer in list",__FUNCTION__);
             return false;
         }
+
+        //For 8x26, if there is only one layer which needs scale for secondary
+        //while no scale for primary display, DMA pipe is occupied by primary.
+        //If need to fall back to GLES composition, virtual display lacks DMA
+        //pipe and error is reported.
+        if(qdutils::MDPVersion::getInstance().is8x26() &&
+                                mDpy >= HWC_DISPLAY_EXTERNAL &&
+                                qhwc::needsScaling(ctx, layer, mDpy))
+            return false;
     }
     mCurrentFrame.fbCount = 0;
     mCurrentFrame.fbZ = -1;
diff --git a/libqdutils/cb_utils.cpp b/libqdutils/cb_utils.cpp
index bc7e5b1..d8eec2a 100644
--- a/libqdutils/cb_utils.cpp
+++ b/libqdutils/cb_utils.cpp
@@ -49,6 +49,10 @@
     Region wormholeRegion(fbFrameRect);
 
     for (uint32_t i = 0 ; i < last; i++) {
+        //TODO Work on using hwc clear instead of gpu for HWC_BLIT
+        //If layer is marked for HWC_BLIT clear is done by GPU
+        if(list->hwLayers[i].compositionType == HWC_BLIT)
+            return 0;
         // need to take care only in per pixel blending.
         // Restrict calculation only for copybit layers.
         if((list->hwLayers[i].blending != HWC_BLENDING_NONE) ||
diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
index e12b319..b219cd5 100644
--- a/libqdutils/mdp_version.cpp
+++ b/libqdutils/mdp_version.cpp
@@ -244,32 +244,5 @@
     return (mFeatures & MDP_BWC_EN);
 }
 
-bool MDPVersion::is8x26() {
-    // check for 8x26 variants
-    // chip variants have same major number and minor numbers usually vary
-    // for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
-    //                                    1001       -  major number
-    //                                        0000   -  minor number
-    // 8x26 v1 minor number is 0000
-    //      v2 minor number is 0001 etc..
-    if( mMdpRev >= MDSS_MDP_HW_REV_101 && mMdpRev < MDSS_MDP_HW_REV_102) {
-        return true;
-    }
-    return false;
-}
-
-bool MDPVersion::is8x74v2() {
-    if( mMdpRev >= MDSS_MDP_HW_REV_102 && mMdpRev < MDSS_MDP_HW_REV_200) {
-        return true;
-    }
-    return false;
-}
-
-bool MDPVersion::is8x92() {
-    if( mMdpRev >= MDSS_MDP_HW_REV_200 && mMdpRev < MDSS_MDP_HW_REV_206) {
-        return true;
-    }
-    return false;
-}
 }; //namespace qdutils
 
diff --git a/libqdutils/mdp_version.h b/libqdutils/mdp_version.h
index fb7920e..60a2985 100644
--- a/libqdutils/mdp_version.h
+++ b/libqdutils/mdp_version.h
@@ -57,10 +57,20 @@
     MDSS_V5     = 500,
 };
 
+// chip variants have same major number and minor numbers usually vary
+// for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
+//                                    1001       -  major number
+//                                        0000   -  minor number
+// 8x26 v1 minor number is 0000
+//      v2 minor number is 0001 etc..
 enum mdp_rev {
     MDSS_MDP_HW_REV_100 = 0x10000000, //8974 v1
     MDSS_MDP_HW_REV_101 = 0x10010000, //8x26
     MDSS_MDP_HW_REV_102 = 0x10020000, //8974 v2
+    MDSS_MDP_HW_REV_103 = 0x10030000, //8084
+    MDSS_MDP_HW_REV_104 = 0x10040000, //Next version
+    MDSS_MDP_HW_REV_105 = 0x10050000, //Next version
+    MDSS_MDP_HW_REV_107 = 0x10070000, //Next version
     MDSS_MDP_HW_REV_200 = 0x20000000, //8092
     MDSS_MDP_HW_REV_206 = 0x20060000, //Future
 };
@@ -108,13 +118,28 @@
     bool supportsDecimation();
     uint32_t getMaxMDPDownscale();
     bool supportsBWC();
-    bool is8x26();
-    bool is8x74v2();
-    bool is8x92();
     int getLeftSplit() { return mSplit.left(); }
     int getRightSplit() { return mSplit.right(); }
     unsigned long getLowBw() { return mLowBw; }
     unsigned long getHighBw() { return mHighBw; }
+
+    bool is8x26() {
+        return (mMdpRev >= MDSS_MDP_HW_REV_101 and
+                mMdpRev < MDSS_MDP_HW_REV_102);
+    }
+    bool is8x74v2() {
+        return (mMdpRev >= MDSS_MDP_HW_REV_102 and
+                mMdpRev < MDSS_MDP_HW_REV_103);
+    }
+    bool is8084() {
+        return (mMdpRev >= MDSS_MDP_HW_REV_103 and
+                mMdpRev < MDSS_MDP_HW_REV_104);
+    }
+    bool is8092() {
+        return (mMdpRev >= MDSS_MDP_HW_REV_200 and
+                mMdpRev < MDSS_MDP_HW_REV_206);
+    }
+
 private:
     bool updateSysFsInfo();
     bool updatePanelInfo();