linux-kernel - [20/74] drm/i915: Reload hangcheck timer too for Ironlake

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Date:	Thu, 04 Feb 2010 09:11:51 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Zhenyu Wang <zhenyuw@...ux.intel.com>,
	Eric Anholt <eric@...olt.net>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [20/74] drm/i915: Reload hangcheck timer too for Ironlake

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Zhenyu Wang <zhenyuw@...ux.intel.com>

commit c566ec49159b806db95a90fd8f37448376cd0ad2 upstream.

Make sure hangcheck timer won't beat us unexpectedly on Ironlake.

Signed-off-by: Zhenyu Wang <zhenyuw@...ux.intel.com>
Signed-off-by: Eric Anholt <eric@...olt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/i915/i915_irq.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -282,6 +282,8 @@ irqreturn_t igdng_irq_handler(struct drm
 		dev_priv->mm.irq_gem_seqno = seqno;
 		trace_i915_gem_request_complete(dev, seqno);
 		DRM_WAKEUP(&dev_priv->irq_queue);
+		dev_priv->hangcheck_count = 0;
+		mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
 	}
 
 	I915_WRITE(GTIIR, gt_iir);


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