diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index c72d882..c4431b6 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -172,6 +172,8 @@
                 ctx->mFbDev->common.module);
     switch(event) {
         case HWC_EVENT_VSYNC:
+            if (ctx->vstate.enable == enabled)
+                break;
             if(ioctl(ctx->dpyAttr[dpy].fd, MSMFB_OVERLAY_VSYNC_CTRL,
                      &enabled) < 0) {
                 ALOGE("%s: vsync control failed. Dpy=%d, enabled=%d : %s",