[3/4] drm/i915: Declare waits on GPU as io waits, to reduce C-state reduction.

Commit Message

Eric Anholt Nov. 1, 2010, 8:23 p.m. UTC

None

Patch

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8eb8453..8991588 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1988,12 +1988,12 @@  i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
 		ring->waiting_gem_seqno = seqno;
 		ring->user_irq_get(dev, ring);
 		if (interruptible)
-			ret = wait_event_interruptible(ring->irq_queue,
+			ret = io_wait_event_interruptible(ring->irq_queue,
 				i915_seqno_passed(
 					ring->get_seqno(dev, ring), seqno)
 				|| atomic_read(&dev_priv->mm.wedged));
 		else
-			wait_event(ring->irq_queue,
+			io_wait_event(ring->irq_queue,
 				i915_seqno_passed(
 					ring->get_seqno(dev, ring), seqno)
 				|| atomic_read(&dev_priv->mm.wedged));