diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index e99f52ebb26f..97253d631b2b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -160,7 +160,7 @@ static void sun4i_hdmi_enable(struct drm_encoder *encoder,
 
 	drm_atomic_helper_connector_hdmi_update_infoframes(connector, state);
 
-	val |= SUN4I_HDMI_PKT_CTRL_TYPE(0, SUN4I_HDMI_PKT_AVI);
+	val = SUN4I_HDMI_PKT_CTRL_TYPE(0, SUN4I_HDMI_PKT_AVI);
 	val |= SUN4I_HDMI_PKT_CTRL_TYPE(1, SUN4I_HDMI_PKT_END);
 	writel(val, hdmi->base + SUN4I_HDMI_PKT_CTRL_REG(0));