diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 72c120a68266..cd30f3f51964 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -93,6 +93,36 @@ struct panel_desc {
 		 */
 		unsigned int hpd_absent_delay;
 
+		/**
+		 * @delay.prepare_to_enable: Time between prepare and enable.
+		 *
+		 * The minimum time, in milliseconds, that needs to have passed
+		 * between when prepare finished and enable may begin. If at
+		 * enable time less time has passed since prepare finished,
+		 * the driver waits for the remaining time.
+		 *
+		 * If a fixed enable delay is also specified, we'll start
+		 * counting before delaying for the fixed delay.
+		 *
+		 * If a fixed prepare delay is also specified, we won't start
+		 * counting until after the fixed delay. We can't overlap this
+		 * fixed delay with the min time because the fixed delay
+		 * doesn't happen at the end of the function if a HPD GPIO was
+		 * specified.
+		 *
+		 * In other words:
+		 *   prepare()
+		 *     ...
+		 *     // do fixed prepare delay
+		 *     // wait for HPD GPIO if applicable
+		 *     // start counting for prepare_to_enable
+		 *
+		 *   enable()
+		 *     // do fixed enable delay
+		 *     // enforce prepare_to_enable min time
+		 */
+		unsigned int prepare_to_enable;
+
 		/**
 		 * @delay.enable: Time for the panel to display a valid frame.
 		 *
@@ -131,10 +161,10 @@ struct panel_desc {
 
 struct panel_simple {
 	struct drm_panel base;
-	bool prepared;
 	bool enabled;
 	bool no_hpd;
 
+	ktime_t prepared_time;
 	ktime_t unprepared_time;
 
 	const struct panel_desc *desc;
@@ -297,14 +327,14 @@ static int panel_simple_unprepare(struct drm_panel *panel)
 {
 	struct panel_simple *p = to_panel_simple(panel);
 
-	if (!p->prepared)
+	if (p->prepared_time == 0)
 		return 0;
 
 	gpiod_set_value_cansleep(p->enable_gpio, 0);
 
 	regulator_disable(p->supply);
 
-	p->prepared = false;
+	p->prepared_time = 0;
 	p->unprepared_time = ktime_get();
 
 	return 0;
@@ -342,7 +372,7 @@ static int panel_simple_prepare(struct drm_panel *panel)
 	int err;
 	int hpd_asserted;
 
-	if (p->prepared)
+	if (p->prepared_time != 0)
 		return 0;
 
 	panel_simple_wait(p->unprepared_time, p->desc->delay.unprepare);
@@ -381,7 +411,7 @@ static int panel_simple_prepare(struct drm_panel *panel)
 		}
 	}
 
-	p->prepared = true;
+	p->prepared_time = ktime_get();
 
 	return 0;
 }
@@ -396,6 +426,8 @@ static int panel_simple_enable(struct drm_panel *panel)
 	if (p->desc->delay.enable)
 		msleep(p->desc->delay.enable);
 
+	panel_simple_wait(p->prepared_time, p->desc->delay.prepare_to_enable);
+
 	p->enabled = true;
 
 	return 0;
@@ -562,7 +594,7 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 		return -ENOMEM;
 
 	panel->enabled = false;
-	panel->prepared = false;
+	panel->prepared_time = 0;
 	panel->desc = desc;
 
 	panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd");