diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e24378ee7edae8805e48f74dad46c7b00ae4d930..5d8ec7a818314afc5b55b7efdd99266ca243cc10 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -4236,9 +4236,10 @@ static void i915_hpd_irq_setup(struct drm_device *dev)
 
 	/* Ignore TV since it's buggy */
 	i915_hotplug_interrupt_update_locked(dev_priv,
-				      (HOTPLUG_INT_EN_MASK
-				       | CRT_HOTPLUG_VOLTAGE_COMPARE_MASK),
-				      hotplug_en);
+					     HOTPLUG_INT_EN_MASK |
+					     CRT_HOTPLUG_VOLTAGE_COMPARE_MASK |
+					     CRT_HOTPLUG_ACTIVATION_PERIOD_64,
+					     hotplug_en);
 }
 
 static irqreturn_t i965_irq_handler(int irq, void *arg)