commit d1bf7b790bd07c4827fe9788549a0426660163bc
author Linux Build Service Account <lnxbuild@localhost> Wed Apr 23 08:38:42 2014 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Apr 23 08:38:42 2014 -0700
tree 37962b657bf53c73b4b85a04f8e087b5e682bd31
parent 597c23c216d2cc93e34ad066dd4d419f406747fd
parent 8e6f914e66aafb4196a3032778bff6db2f4134a2

Merge "hwc : Enable partial update if panel supports it."

libhwcomposer/hwc_mdpcomp.cpp

diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 8599392..40fa624 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -118,9 +118,13 @@
             sDebugLogs = true;
     }
 
-    if(property_get("persist.hwc.partialupdate", property, NULL) > 0) {
-        if((atoi(property) != 0) && ctx->mMDP.panel == MIPI_CMD_PANEL &&
-           qdutils::MDPVersion::getInstance().is8x74v2())
+    // We read from drivers if panel supports partial updating
+    // and we enable partial update computations if supported.
+    // Keeping this property to disable partial update for
+    // debugging by setting below property to 0 & only 0.
+    property_get("persist.hwc.partialupdate", property, "-1");
+    if((atoi(property) != 0) &&
+        qdutils::MDPVersion::getInstance().isPartialUpdateEnabled()) {
             sEnablePartialFrameUpdate = true;
     }
     ALOGE_IF(isDebug(), "%s: Partial Update applicable?: %d",__FUNCTION__,

libqdutils/mdp_version.h

diff --git a/libqdutils/mdp_version.h b/libqdutils/mdp_version.h
index 1a779cc..cace430 100644
--- a/libqdutils/mdp_version.h
+++ b/libqdutils/mdp_version.h
@@ -128,7 +128,10 @@
     bool supportsMacroTile();
     int getLeftSplit() { return mSplit.left(); }
     int getRightSplit() { return mSplit.right(); }
-    int isPartialUpdateEnabled() { return mPanelInfo.mPartialUpdateEnable; }
+    bool isPartialUpdateEnabled() {
+        return mPanelInfo.mPartialUpdateEnable &&
+                mPanelInfo.mType == MIPI_CMD_PANEL;
+    }
     int getLeftAlign() { return mPanelInfo.mLeftAlign; }
     int getWidthAlign() { return mPanelInfo.mWidthAlign; }
     int getTopAlign() { return mPanelInfo.mTopAlign; }