diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 8faf3151242a52ac1a58baba6e3f61053b5c0ed1..3f1eb07e365ca5323189d337719c3ba46fb39a12 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1754,6 +1754,8 @@ static void hdmi_enable(struct drm_encoder *encoder)
 
 	hdmi_set_refclk(hdata, true);
 
+	hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
+
 	hdmi_conf_apply(hdata);
 
 	hdata->powered = true;
@@ -1786,6 +1788,8 @@ static void hdmi_disable(struct drm_encoder *encoder)
 
 	cancel_delayed_work(&hdata->hotplug_work);
 
+	hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
+
 	hdmi_set_refclk(hdata, false);
 
 	regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,