drm/i915: use __wait_seqno for ring throttle
It turns out throttle had an almost identical bit of code to do the
wait. Now we can call the new helper directly. This is just a bonus,
and not needed for the overall series.
v2: remove irq_get/put which is now in __wait_seqno (Ben)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c19a621..293f573 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2981,25 +2981,7 @@
if (seqno == 0)
return 0;
- ret = 0;
- if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) {
- /* And wait for the seqno passing without holding any locks and
- * causing extra latency for others. This is safe as the irq
- * generation is designed to be run atomically and so is
- * lockless.
- */
- if (ring->irq_get(ring)) {
- ret = wait_event_interruptible(ring->irq_queue,
- i915_seqno_passed(ring->get_seqno(ring), seqno)
- || atomic_read(&dev_priv->mm.wedged));
- ring->irq_put(ring);
-
- if (ret == 0 && atomic_read(&dev_priv->mm.wedged))
- ret = -EIO;
- } else
- ret = -EBUSY;
- }
-
+ ret = __wait_seqno(ring, seqno, true);
if (ret == 0)
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, 0);