diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 97964f7f2acee08350101947a4ccd9a717f5f199..687fd087b9fcdeb79d9f27164b1cd4c04f5f6ded 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -56,6 +56,8 @@ struct panel_desc {
 	/**
 	 * @prepare: the time (in milliseconds) that it takes for the panel to
 	 *           become ready and start receiving video data
+	 * @hpd_absent_delay: Add this to the prepare delay if we know Hot
+	 *                    Plug Detect isn't used.
 	 * @enable: the time (in milliseconds) that it takes for the panel to
 	 *          display the first valid frame after starting to receive
 	 *          video data
@@ -66,6 +68,7 @@ struct panel_desc {
 	 */
 	struct {
 		unsigned int prepare;
+		unsigned int hpd_absent_delay;
 		unsigned int enable;
 		unsigned int disable;
 		unsigned int unprepare;
@@ -79,6 +82,7 @@ struct panel_simple {
 	struct drm_panel base;
 	bool prepared;
 	bool enabled;
+	bool no_hpd;
 
 	const struct panel_desc *desc;
 
@@ -202,6 +206,7 @@ static int panel_simple_unprepare(struct drm_panel *panel)
 static int panel_simple_prepare(struct drm_panel *panel)
 {
 	struct panel_simple *p = to_panel_simple(panel);
+	unsigned int delay;
 	int err;
 
 	if (p->prepared)
@@ -215,8 +220,11 @@ static int panel_simple_prepare(struct drm_panel *panel)
 
 	gpiod_set_value_cansleep(p->enable_gpio, 1);
 
-	if (p->desc->delay.prepare)
-		msleep(p->desc->delay.prepare);
+	delay = p->desc->delay.prepare;
+	if (p->no_hpd)
+		delay += p->desc->delay.hpd_absent_delay;
+	if (delay)
+		msleep(delay);
 
 	p->prepared = true;
 
@@ -305,6 +313,8 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 	panel->prepared = false;
 	panel->desc = desc;
 
+	panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd");
+
 	panel->supply = devm_regulator_get(dev, "power");
 	if (IS_ERR(panel->supply))
 		return PTR_ERR(panel->supply);