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

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

View File

@ -711,6 +711,8 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
} }
msleep(1); msleep(1);
if (atomic_read(&dev_priv->mm.wedged))
return -EAGAIN;
} while (!time_after(jiffies, end)); } while (!time_after(jiffies, end));
trace_i915_ring_wait_end (dev); trace_i915_ring_wait_end (dev);
return -EBUSY; return -EBUSY;