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drm/i915: Check if the GPU hung whilst waiting for the ring to clear

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-29 21:06:16 +01:00
parent 6dda569fe0
commit f4e0b29bf2
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -711,6 +711,8 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
}
msleep(1);
if (atomic_read(&dev_priv->mm.wedged))
return -EAGAIN;
} while (!time_after(jiffies, end));
trace_i915_ring_wait_end (dev);
return -EBUSY;