Merge "Call overlay_set even if there are no change in params"
diff --git a/liboverlay/overlayMdp.cpp b/liboverlay/overlayMdp.cpp
index 006e05d..268480d 100644
--- a/liboverlay/overlayMdp.cpp
+++ b/liboverlay/overlayMdp.cpp
@@ -64,14 +64,11 @@
 
 void MdpCtrl::reset() {
     utils::memset0(mOVInfo);
-    utils::memset0(mLkgo);
     mOVInfo.id = MSMFB_NEW_REQUEST;
-    mLkgo.id = MSMFB_NEW_REQUEST;
     mOrientation = utils::OVERLAY_TRANSFORM_0;
     mDownscale = 0;
     mDpy = 0;
 #ifdef USES_POST_PROCESSING
-    mPPChanged = false;
     memset(&mParams, 0, sizeof(struct compute_params));
     mParams.params.conv_params.order = hsic_order_hsc_i;
     mParams.params.conv_params.interface = interface_rec601;
@@ -210,21 +207,15 @@
 
     doDownscale();
 
-    if(this->ovChanged()) {
-        if(!mdp_wrapper::setOverlay(mFd.getFD(), mOVInfo)) {
-            ALOGE("MdpCtrl failed to setOverlay, restoring last known "
-                  "good ov info");
-            mdp_wrapper::dump("== Bad OVInfo is: ", mOVInfo);
-            mdp_wrapper::dump("== Last good known OVInfo is: ", mLkgo);
-            this->restore();
+    if(!mdp_wrapper::setOverlay(mFd.getFD(), mOVInfo)) {
+        ALOGE("MdpCtrl failed to setOverlay");
+        mdp_wrapper::dump("== Bad OVInfo is: ", mOVInfo);
 #ifdef USES_QSEED_SCALAR
-            if(Overlay::getScalar()) {
-                Overlay::getScalar()->configAbort(mDpy);
-            }
-#endif
-            return false;
+        if(Overlay::getScalar()) {
+            Overlay::getScalar()->configAbort(mDpy);
         }
-        this->save();
+#endif
+        return false;
     }
 
 #ifdef USES_QSEED_SCALAR
@@ -392,7 +383,6 @@
 
     if (needUpdate) {
         display_pp_compute_params(&mParams, &mOVInfo.overlay_pp_cfg);
-        mPPChanged = true;
     }
 #endif
     return true;
diff --git a/liboverlay/overlayMdp.h b/liboverlay/overlayMdp.h
index 3cb6a41..8074724 100644
--- a/liboverlay/overlayMdp.h
+++ b/liboverlay/overlayMdp.h
@@ -116,17 +116,8 @@
     int getUserData() const;
     /* sets user_data[0] */
     void setUserData(int v);
-    /* return true if current overlay is different
-     * than last known good overlay */
-    bool ovChanged() const;
-    /* save mOVInfo to be last known good ov*/
-    void save();
-    /* restore last known good ov to be the current */
-    void restore();
 
     utils::eTransform mOrientation; //Holds requested orientation
-    /* last good known ov info */
-    mdp_overlay   mLkgo;
     /* Actual overlay mdp structure */
     mdp_overlay   mOVInfo;
     /* FD for the mdp fbnum */
@@ -137,8 +128,6 @@
 #ifdef USES_POST_PROCESSING
     /* PP Compute Params */
     struct compute_params mParams;
-    /* indicate if PP params have been changed */
-    bool mPPChanged;
 #endif
 };
 
@@ -265,37 +254,6 @@
     }
 }
 
-inline bool MdpCtrl::ovChanged() const {
-#ifdef USES_POST_PROCESSING
-    // Some pp params are stored as pointer address,
-    // so can't compare their content directly.
-    if (mPPChanged) {
-        return true;
-    }
-#endif
-    // 0 means same
-    if(0 == ::memcmp(&mOVInfo, &mLkgo, sizeof (mdp_overlay))) {
-        return false;
-    }
-    return true;
-}
-
-inline void MdpCtrl::save() {
-    if(static_cast<ssize_t>(mOVInfo.id) == MSMFB_NEW_REQUEST) {
-        ALOGE("MdpCtrl current ov has id -1, will not save");
-        return;
-    }
-    mLkgo = mOVInfo;
-}
-
-inline void MdpCtrl::restore() {
-    if(static_cast<ssize_t>(mLkgo.id) == MSMFB_NEW_REQUEST) {
-        ALOGE("MdpCtrl Lkgo ov has id -1, will not restore");
-        return;
-    }
-    mOVInfo = mLkgo;
-}
-
 inline overlay::utils::Whf MdpCtrl::getSrcWhf() const {
     return utils::Whf(  mOVInfo.src.width,
                         mOVInfo.src.height,