diff --git a/drivers/video/msm/mdp4.h b/drivers/video/msm/mdp4.h
index dcbc0836319..4807168f26a 100644
--- a/drivers/video/msm/mdp4.h
+++ b/drivers/video/msm/mdp4.h
@@ -93,6 +93,12 @@ enum {
 #define MDP4_PANEL_DSI_CMD	BIT(5)
 #define MDP4_PANEL_WRITEBACK		BIT(6)
 
+enum {
+	OVERLAY_BLT_SWITCH_TG_ON,
+	OVERLAY_BLT_SWITCH_TG_OFF,
+	OVERLAY_BLT_ALWAYS_ON
+};
+
 enum {
 	OVERLAY_MODE_NONE,
 	OVERLAY_MODE_BLT
diff --git a/drivers/video/msm/mdp4_overlay_dsi_video.c b/drivers/video/msm/mdp4_overlay_dsi_video.c
index 34152675106..63f94bf4634 100644
--- a/drivers/video/msm/mdp4_overlay_dsi_video.c
+++ b/drivers/video/msm/mdp4_overlay_dsi_video.c
@@ -56,6 +56,7 @@ static struct vsycn_ctrl {
 	int wait_vsync_cnt;
 	int blt_change;
 	int blt_free;
+	int blt_ctrl;
 	int sysfs_created;
 	struct mutex update_lock;
 	struct completion ov_comp;
@@ -194,8 +195,6 @@ int mdp4_dsi_video_pipe_commit(int cndx, int wait)
 	}
 	spin_unlock_irqrestore(&vctrl->spin_lock, flags);
 
-	mdp4_overlay_mdp_perf_upd(vctrl->mfd, 1);
-
 	if (vctrl->blt_change) {
 		pipe = vctrl->base_pipe;
 		spin_lock_irqsave(&vctrl->spin_lock, flags);
@@ -496,9 +495,11 @@ int mdp4_dsi_video_on(struct platform_device *pdev)
 	int ret = 0;
 	int cndx = 0;
 	struct vsycn_ctrl *vctrl;
+	struct msm_panel_info *pinfo;
 
 	vctrl = &vsync_ctrl_db[cndx];
 	mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev);
+	pinfo = &mfd->panel_info;
 
 	if (!mfd)
 		return -ENODEV;
@@ -508,6 +509,7 @@ int mdp4_dsi_video_on(struct platform_device *pdev)
 
 	vctrl->mfd = mfd;
 	vctrl->dev = mfd->fbi->dev;
+	vctrl->blt_ctrl = pinfo->lcd.blt_ctrl;
 
 	/* mdp clock on */
 	mdp_clk_ctrl(1);
@@ -1053,8 +1055,41 @@ static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
 		spin_unlock_irqrestore(&vctrl->spin_lock, flag);
 		return;
 	}
-
 	spin_unlock_irqrestore(&vctrl->spin_lock, flag);
+
+	if (vctrl->blt_ctrl == OVERLAY_BLT_SWITCH_TG_OFF) {
+		int tg_enabled;
+
+		pr_info("%s: blt enabled by switching TG off\n", __func__);
+
+		vctrl->blt_change = 0;
+		tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
+		if (tg_enabled) {
+			mdp4_dsi_video_wait4dmap_done(0);
+			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
+			msleep(20);
+			mipi_dsi_controller_cfg(0);
+		}
+		mdp4_overlayproc_cfg(pipe);
+		mdp4_overlay_dmap_xy(pipe);
+		if (tg_enabled) {
+			if (pipe->ov_blt_addr) {
+				/* preefill on frame */
+				spin_lock_irqsave(&vctrl->spin_lock, flag);
+				pipe->ov_cnt++;
+				vctrl->ov_koff++;
+				mdp4_stat.kickoff_ov0++;
+				INIT_COMPLETION(vctrl->ov_comp);
+				vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
+				outpdw(MDP_BASE + 0x0004, 0);
+				spin_unlock_irqrestore(&vctrl->spin_lock, flag);
+				mdp4_dsi_video_wait4ov(cndx);
+			}
+			mipi_dsi_sw_reset();
+			mipi_dsi_controller_cfg(1);
+			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
+		}
+	}
 }
 
 void mdp4_dsi_video_overlay_blt(struct msm_fb_data_type *mfd,
@@ -1108,7 +1143,6 @@ void mdp4_dsi_video_overlay(struct msm_fb_data_type *mfd)
 
 	mutex_lock(&mfd->dma->ov_mutex);
 	mdp4_dsi_video_pipe_commit(0, 0);
-	mutex_unlock(&mfd->dma->ov_mutex);
 
 	if (pipe->ov_blt_addr)
 		mdp4_dsi_video_wait4ov(0);
@@ -1116,5 +1150,5 @@ void mdp4_dsi_video_overlay(struct msm_fb_data_type *mfd)
 		mdp4_dsi_video_wait4dmap(0);
 
 	mdp4_overlay_mdp_perf_upd(mfd, 0);
+	mutex_unlock(&mfd->dma->ov_mutex);
 }
-
diff --git a/drivers/video/msm/msm_fb_panel.h b/drivers/video/msm/msm_fb_panel.h
index b64982102e8..9e1295d3f6e 100644
--- a/drivers/video/msm/msm_fb_panel.h
+++ b/drivers/video/msm/msm_fb_panel.h
@@ -65,6 +65,7 @@ struct lcd_panel_info {
 	__u32 v_pulse_width;
 	__u32 hw_vsync_mode;
 	__u32 vsync_notifier_period;
+	__u32 blt_ctrl;
 	__u32 rev;
 };