diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 6993ef3888dd364c7d0540d490cf312aeeb71c7d..61e1de77831dd0d469c7d2622b5177b99e29dc53 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -194,7 +194,7 @@ void sun4i_tcon0_mode_set(struct sun4i_tcon *tcon,
 
 	/* Set vertical display timings */
 	regmap_write(tcon->regs, SUN4I_TCON0_BASIC2_REG,
-		     SUN4I_TCON0_BASIC2_V_TOTAL(mode->crtc_vtotal) |
+		     SUN4I_TCON0_BASIC2_V_TOTAL(mode->crtc_vtotal * 2) |
 		     SUN4I_TCON0_BASIC2_V_BACKPORCH(bp));
 
 	/* Set Hsync and Vsync length */
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index f60e0b4c6db8a913de19a3521aa01dc84754c2e2..e3c50ecdcd04fe6c789c5c5f27c64c197df2fdb2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -52,7 +52,7 @@
 #define SUN4I_TCON0_BASIC1_H_BACKPORCH(bp)		(((bp) - 1) & 0xfff)
 
 #define SUN4I_TCON0_BASIC2_REG			0x50
-#define SUN4I_TCON0_BASIC2_V_TOTAL(total)		((((total) * 2) & 0x1fff) << 16)
+#define SUN4I_TCON0_BASIC2_V_TOTAL(total)		(((total) & 0x1fff) << 16)
 #define SUN4I_TCON0_BASIC2_V_BACKPORCH(bp)		(((bp) - 1) & 0xfff)
 
 #define SUN4I_TCON0_BASIC3_REG			0x54