From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Supposedly we have to enable port A HPD also in the south on LPT:LP.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d994b80..de60174 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3125,6 +3125,8 @@ static void ibx_hpd_irq_setup(struct drm_device *dev)
        hotplug |= PORTD_HOTPLUG_ENABLE | PORTD_PULSE_DURATION_2ms;
        hotplug |= PORTC_HOTPLUG_ENABLE | PORTC_PULSE_DURATION_2ms;
        hotplug |= PORTB_HOTPLUG_ENABLE | PORTB_PULSE_DURATION_2ms;
+       if (HAS_PCH_LPT_LP(dev))
+               hotplug |= PORTA_HOTPLUG_ENABLE;
        I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
 }
 
-- 
2.4.6

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