diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index dd8f99c4001c..d1c6888ad1cf 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -710,16 +710,16 @@ static u32 dw_mipi_dsi_get_hcomponent_lbcc(struct dw_mipi_dsi *dsi,
 					   const struct drm_display_mode *mode,
 					   u32 hcomponent)
 {
-	u32 frac, lbcc;
+	u32 lbcc;
 
 	lbcc = hcomponent * dsi->lane_mbps * MSEC_PER_SEC / 8;
 
-	frac = lbcc % mode->clock;
-	lbcc = lbcc / mode->clock;
-	if (frac)
-		lbcc++;
+	if (mode->clock == 0) {
+		DRM_ERROR("dsi mode clock is 0!\n");
+		return 0;
+	}
 
-	return lbcc;
+	return DIV_ROUND_CLOSEST_ULL(lbcc, mode->clock);
 }
 
 static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi,