diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 5d90d2eb001935d7743b336589a923536be29bce..e91b3fff43423013a0212ac0669c867fde72f2c6 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -500,6 +500,18 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
 		DRM_WARN("HFP + HBP less than d-phy, FPS will under 60Hz\n");
 	}
 
+	if ((dsi->mode_flags & MIPI_DSI_HS_PKT_END_ALIGNED) &&
+	    (dsi->lanes == 4)) {
+		horizontal_sync_active_byte =
+			roundup(horizontal_sync_active_byte, dsi->lanes) - 2;
+		horizontal_frontporch_byte =
+			roundup(horizontal_frontporch_byte, dsi->lanes) - 2;
+		horizontal_backporch_byte =
+			roundup(horizontal_backporch_byte, dsi->lanes) - 2;
+		horizontal_backporch_byte -=
+			(vm->hactive * dsi_tmp_buf_bpp + 2) % dsi->lanes;
+	}
+
 	writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC);
 	writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC);
 	writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC);