[PATCH 5/6] wip

[José Roberto de Souza]

---
 drivers/gpu/drm/i915/i915_drv.c      | 1 +
 drivers/gpu/drm/i915/i915_drv.h      | 1 +
 drivers/gpu/drm/i915/i915_irq.c      | 1 +
 drivers/gpu/drm/i915/intel_hotplug.c | 5 +++++
 4 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index acb516308262..a4c2db57900c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1911,6 +1911,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 
 	intel_runtime_pm_disable_interrupts(dev_priv);
 	intel_hpd_cancel_work(dev_priv);
+	intel_hpd_reset(dev_priv);
 
 	intel_suspend_encoders(dev_priv);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b81f8b55750e..7bfe9e88eae6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2790,6 +2790,7 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
 bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
 void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
 void intel_hotplug_tc_wa_work(struct work_struct *__work);
+void intel_hpd_reset(struct drm_i915_private *dev_priv);
 
 /* i915_irq.c */
 static inline void i915_queue_hangcheck(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5d1f53723388..2257e674d903 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -4989,6 +4989,7 @@ void intel_irq_uninstall(struct drm_i915_private *dev_priv)
 {
 	drm_irq_uninstall(&dev_priv->drm);
 	intel_hpd_cancel_work(dev_priv);
+	intel_hpd_reset(dev_priv);
 	dev_priv->runtime_pm.irqs_enabled = false;
 }
 
diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c
index d4094db1a3c3..cc05f673dca6 100644
--- a/drivers/gpu/drm/i915/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/intel_hotplug.c
@@ -711,3 +711,8 @@ void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin)
 	dev_priv->hotplug.stats[pin].state = HPD_ENABLED;
 	spin_unlock_irq(&dev_priv->irq_lock);
 }
+
+void intel_hpd_reset(struct drm_i915_private *dev_priv)
+{
+	// TODO
+}
-- 
2.19.1