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[3/7] drm/i915: introduce i915_queue_hangcheck

Message ID 1372861332-6308-4-git-send-email-mika.kuoppala@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mika Kuoppala July 3, 2013, 2:22 p.m. UTC 
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>

To run hangcheck in near future.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
---
 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(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8e73e3b..90cdd49 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1593,6 +1593,7 @@  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 769f752..c5c90e3 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2082,10 +2082,8 @@  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 4c1b1e3..dc1b878 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -668,18 +668,13 @@  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)
@@ -2537,9 +2532,17 @@  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)