diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
index 678fde9..fc2cd36 100644
--- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c
+++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
@@ -5656,10 +5656,10 @@
 				sctl->flush_bits = 0;
 				sctl_flush_bits = 0;
 			} else {
-				sctl_flush_bits = sctl->flush_bits;
+				sctl_flush_bits |= sctl->flush_bits;
 			}
 		}
-		ctl_flush_bits = ctl->flush_bits;
+		ctl_flush_bits |= ctl->flush_bits;
 		mutex_unlock(&ctl->flush_lock);
 	}
 	/*