diff --git a/src/add-ons/accelerants/radeon_hd/display.cpp b/src/add-ons/accelerants/radeon_hd/display.cpp
index bc1c9e5eaa..041a4ea49d 100644
--- a/src/add-ons/accelerants/radeon_hd/display.cpp
+++ b/src/add-ons/accelerants/radeon_hd/display.cpp
@@ -832,6 +832,11 @@ display_crtc_blank(uint8 crtcID, int command)
 	args.ucCRTC = crtcID;
 	args.ucBlanking = command;
 
+	// DEBUG: AMD red to know when we are blanked :)
+	args.usBlackColorRCr = 255;
+	args.usBlackColorGY = 0;
+	args.usBlackColorBCb = 0;
+
 	atom_execute_table(gAtomContext, index, (uint32*)&args);
 }
 
diff --git a/src/add-ons/accelerants/radeon_hd/mode.cpp b/src/add-ons/accelerants/radeon_hd/mode.cpp
index dad0cdef7b..c0700aade5 100644
--- a/src/add-ons/accelerants/radeon_hd/mode.cpp
+++ b/src/add-ons/accelerants/radeon_hd/mode.cpp
@@ -133,7 +133,7 @@ radeon_dpms_set(int mode)
 				display_crtc_power(id, ATOM_ENABLE);
 				if (info.dceMajor >= 3)
 					display_crtc_memreq(id, ATOM_ENABLE);
-				display_crtc_blank(id, ATOM_DISABLE);
+				display_crtc_blank(id, ATOM_BLANKING_OFF);
 				display_crtc_lock(id, ATOM_DISABLE);
 			}
 			break;
@@ -145,7 +145,7 @@ radeon_dpms_set(int mode)
 				if (gDisplay[id]->active == false)
 					continue;
 				display_crtc_lock(id, ATOM_ENABLE);
-				display_crtc_blank(id, ATOM_ENABLE);
+				display_crtc_blank(id, ATOM_BLANKING);
 				if (info.dceMajor >= 3)
 					display_crtc_memreq(id, ATOM_DISABLE);
 				display_crtc_power(id, ATOM_DISABLE);
@@ -177,7 +177,7 @@ radeon_set_display_mode(display_mode *mode)
 
 		// *** CRT controler prep
 		display_crtc_lock(id, ATOM_ENABLE);
-		display_crtc_blank(id, ATOM_ENABLE);
+		display_crtc_blank(id, ATOM_BLANKING);
 		if (info.dceMajor >= 3)
 			display_crtc_memreq(id, ATOM_DISABLE);
 		display_crtc_power(id, ATOM_DISABLE);
@@ -199,7 +199,7 @@ radeon_set_display_mode(display_mode *mode)
 		display_crtc_power(id, ATOM_ENABLE);
 		if (info.dceMajor >= 3)
 			display_crtc_memreq(id, ATOM_ENABLE);
-		display_crtc_blank(id, ATOM_DISABLE);
+		display_crtc_blank(id, ATOM_BLANKING_OFF);
 		display_crtc_lock(id, ATOM_DISABLE);
 
 		// *** encoder commit