diff --git a/include/linux/msm_mdp.h b/include/linux/msm_mdp.h
index 11861e10c59..fad4300c993 100644
--- a/include/linux/msm_mdp.h
+++ b/include/linux/msm_mdp.h
@@ -357,12 +357,15 @@ struct mdp_histogram {
 
 /*
 
-	mdp_block_type defines the identifiers for each of pipes in MDP 4.3
+	mdp_block_type defines the identifiers for pipes in MDP 4.3 and up
 
 	MDP_BLOCK_RESERVED is provided for backward compatibility and is
 	deprecated. It corresponds to DMA_P. So MDP_BLOCK_DMA_P should be used
 	instead.
 
+	MDP_LOGICAL_BLOCK_DISP_0 identifies the display pipe which fb0 uses,
+	same for others.
+
 */
 
 enum {
@@ -377,6 +380,9 @@ enum {
 	MDP_BLOCK_DMA_S,
 	MDP_BLOCK_DMA_E,
 	MDP_BLOCK_OVERLAY_2,
+	MDP_LOGICAL_BLOCK_DISP_0 = 0x1000,
+	MDP_LOGICAL_BLOCK_DISP_1,
+	MDP_LOGICAL_BLOCK_DISP_2,
 	MDP_BLOCK_MAX,
 };