patches.baytrail/0245-drm-i915-remove-i915_hangcheck_hung.patch

From 2dafb7e8f861588146d496267825941169efe20d Mon Sep 17 00:00:00 2001
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Mon, 13 May 2013 16:32:13 +0300
Subject: drm/i915: remove i915_hangcheck_hung

Rework of per ring hangcheck made this obsolete.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 96a764d983647636b39c462ea14cd1f588f6c0bd)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h |  1 -
 drivers/gpu/drm/i915/i915_irq.c | 21 ---------------------
 2 files changed, 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 36ed6041a259..92a0f5e42aca 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -843,7 +843,6 @@ struct i915_gpu_error {
 #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
 #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
 	struct timer_list hangcheck_timer;
-	int hangcheck_count;
 
 	/* For reset and error_state handling. */
 	spinlock_t lock;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e213bd71524e..2eaae3211553 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2435,27 +2435,6 @@ static bool i915_hangcheck_ring_hung(struct intel_ring_buffer *ring)
 	return !kick_ring(ring);
 }
 
-static bool i915_hangcheck_hung(struct drm_device *dev)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-
-	if (dev_priv->gpu_error.hangcheck_count++ > 1) {
-		bool hung = true;
-		struct intel_ring_buffer *ring;
-		int i;
-
-		DRM_ERROR("Hangcheck timer elapsed... GPU hung\n");
-		i915_handle_error(dev, true);
-
-		for_each_ring(ring, dev_priv, i)
-			hung &= i915_hangcheck_ring_hung(ring);
-
-		return hung;
-	}
-
-	return false;
-}
-
 /**
  * This is called when the chip hasn't reported back with completed
  * batchbuffers in a long time. We keep track per ring seqno progress and
-- 
1.8.5.rc3