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Don't call fence::poll during irq if there are no waiters.

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This commit is contained in:
Thomas Hellström 2008-03-06 17:35:56 +01:00 • committed by Thomas Hellstrom
parent cf3c0123a0
commit b8567bafff
1 changed files with 3 additions and 1 deletions
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4
linux-core/i915_fence.c
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@ -162,11 +162,13 @@ static int i915_fence_emit_sequence(struct drm_device *dev, uint32_t class,
void i915_fence_handler(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_class_manager *fc = &fm->fence_class[0];
write_lock(&fm->lock);
i915_fence_poll(dev, 0, fc->waiting_types);
if (likely(dev_priv->fence_irq_on))
i915_fence_poll(dev, 0, fc->waiting_types);
write_unlock(&fm->lock);
}