[PATCH 1/3] drm/i915: introduce i915_queue_hangcheck

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To run hangcheck in near future.

Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h |    1 +
 drivers/gpu/drm/i915/i915_gem.c |    6 ++----
 drivers/gpu/drm/i915/i915_irq.c |   21 ++++++++++++---------
 3 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 491958e..d1cc41c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1578,6 +1578,7 @@ extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
 extern void intel_console_resume(struct work_struct *work);
 
 /* i915_irq.c */
+void i915_queue_hangcheck(struct drm_device *dev);
 void i915_hangcheck_elapsed(unsigned long data);
 void i915_handle_error(struct drm_device *dev, bool wedged);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0773664..4422b05 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2086,10 +2086,8 @@ int __i915_add_request(struct intel_ring_buffer *ring,
 	ring->outstanding_lazy_request = 0;
 
 	if (!dev_priv->mm.suspended) {
-		if (i915_enable_hangcheck) {
-			mod_timer(&dev_priv->gpu_error.hangcheck_timer,
-				  round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
-		}
+		i915_queue_hangcheck(ring->dev);
+
 		if (was_empty) {
 			queue_delayed_work(dev_priv->wq,
 					   &dev_priv->mm.retire_work,
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 50d7279..3a25a6c 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -665,18 +665,13 @@ static void ironlake_handle_rps_change(struct drm_device *dev)
 static void notify_ring(struct drm_device *dev,
 			struct intel_ring_buffer *ring)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
 	if (ring->obj == NULL)
 		return;
 
 	trace_i915_gem_request_complete(ring, ring->get_seqno(ring, false));
 
 	wake_up_all(&ring->irq_queue);
-	if (i915_enable_hangcheck) {
-		mod_timer(&dev_priv->gpu_error.hangcheck_timer,
-			  round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
-	}
+	i915_queue_hangcheck(dev);
 }
 
 static void gen6_pm_rps_work(struct work_struct *work)
@@ -2524,9 +2519,17 @@ void i915_hangcheck_elapsed(unsigned long data)
 	if (busy_count)
 		/* Reset timer case chip hangs without another request
 		 * being added */
-		mod_timer(&dev_priv->gpu_error.hangcheck_timer,
-			  round_jiffies_up(jiffies +
-					   DRM_I915_HANGCHECK_JIFFIES));
+		i915_queue_hangcheck(dev);
+}
+
+void i915_queue_hangcheck(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	if (!i915_enable_hangcheck)
+		return;
+
+	mod_timer(&dev_priv->gpu_error.hangcheck_timer,
+		  round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
 }
 
 static void ibx_irq_preinstall(struct drm_device *dev)
-- 
1.7.9.5



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