diff --git a/plugins/GSdx/GSDevice.cpp b/plugins/GSdx/GSDevice.cpp
index ef0b0cf30a..69af182383 100644
--- a/plugins/GSdx/GSDevice.cpp
+++ b/plugins/GSdx/GSDevice.cpp
@@ -158,6 +158,15 @@ void GSDevice::Recycle(GSTexture* t)
 {
 	if(t)
 	{
+		// FIXME: WARNING: Broken Texture Cache reuse render target without any
+		// cleaning (or uploading of correct gs mem data) Ofc it is wrong. If
+		// blending is enabled, rendering would be completely broken. However
+		// du to wrong invalidation of the TC it is sometimes better to reuse
+		// (partially) wrong data...
+		//
+		// Invalidating the data might be even worse. I'm not sure invalidating data really
+		// help on the perf. But people reports better perf on BDG2 (memory intensive) on OpenGL.
+		// It could be the reason.
 		t->Invalidate();
 
 		t->last_frame_used = m_frame;