display: Get panel type from framebuffer

Change-Id: I3b7cb78d7c6019482ae698b30d553ca782f5022b
diff --git a/libhwcomposer/hwc_uimirror.cpp b/libhwcomposer/hwc_uimirror.cpp
index 3bbe30e..d2b766d 100644
--- a/libhwcomposer/hwc_uimirror.cpp
+++ b/libhwcomposer/hwc_uimirror.cpp
@@ -61,7 +61,7 @@
     sState = ovutils::OV_CLOSED;
     sIsUiMirroringOn = false;
 
-    if(!ctx->hasOverlay) {
+    if(!ctx->mMDP.hasOverlay) {
        ALOGD_IF(HWC_UI_MIRROR, "%s, this hw doesnt support mirroring",
                                                                __FUNCTION__);
        return false;