diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index ade80debd9eb..598c7dab492a 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -527,6 +527,7 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 	dw_mipi_dsi_phy_write(dsi, 0x17, INPUT_DIVIDER(dsi->dphy.input_div));
 	val = LOOP_DIV_LOW_SEL(dsi->dphy.feedback_div) | LOW_PROGRAM_EN;
 	dw_mipi_dsi_phy_write(dsi, 0x18, val);
+	dw_mipi_dsi_phy_write(dsi, 0x19, PLL_LOOP_DIV_EN | PLL_INPUT_DIV_EN);
 	val = LOOP_DIV_HIGH_SEL(dsi->dphy.feedback_div) | HIGH_PROGRAM_EN;
 	dw_mipi_dsi_phy_write(dsi, 0x18, val);
 	dw_mipi_dsi_phy_write(dsi, 0x19, PLL_LOOP_DIV_EN | PLL_INPUT_DIV_EN);