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drm/i915: Poll for seqno completion if IRQ is disabled 

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=32288
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-12-14 12:17:15 +00:00
parent 9097eef024
commit b5ba177d8d
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/i915_gem.c
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@ -2000,7 +2000,6 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
trace_i915_gem_request_wait_begin(dev, seqno);
ring->waiting_seqno = seqno;
ret = -ENODEV;
if (ring->irq_get(ring)) {
if (interruptible)
ret = wait_event_interruptible(ring->irq_queue,
@ -2012,7 +2011,10 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
|| atomic_read(&dev_priv->mm.wedged));
ring->irq_put(ring);
}
} else if (wait_for(i915_seqno_passed(ring->get_seqno(ring),
seqno) ||
atomic_read(&dev_priv->mm.wedged), 3000))
ret = -EBUSY;
ring->waiting_seqno = 0;
trace_i915_gem_request_wait_end(dev, seqno);