diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
index 0a267b983506..929eeb270f32 100644
--- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c
+++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
@@ -2736,10 +2736,7 @@ int mdss_mdp_display_wakeup_time(struct mdss_mdp_ctl *ctl,
 	if (!clk_period)
 		return -EINVAL;
 
-	time_of_line = (pinfo->lcdc.h_back_porch +
-		 pinfo->lcdc.h_front_porch +
-		 pinfo->lcdc.h_pulse_width +
-		 pinfo->xres) * clk_period;
+	time_of_line = mdss_panel_get_htotal(pinfo, true) * clk_period;
 
 	time_of_line /= 1000;	/* in nano second */
 	if (!time_of_line)
@@ -2747,10 +2744,7 @@ int mdss_mdp_display_wakeup_time(struct mdss_mdp_ctl *ctl,
 
 	current_line = ctl->ops.read_line_cnt_fnc(ctl);
 
-	total_line = pinfo->lcdc.v_back_porch +
-		pinfo->lcdc.v_front_porch +
-		pinfo->lcdc.v_pulse_width +
-		pinfo->yres;
+	total_line = mdss_panel_get_vtotal(pinfo);
 
 	if (current_line >= total_line)
 		time_to_vsync = time_of_line * total_line;