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Update the hardware breadcrumb in the sarea on irq reception so that

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clients can avoid an ioctl waiting on fences that have already been
    received. Would be even better if the hardware did the update itself.
This commit is contained in:
Keith Whitwell 2006-02-09 23:14:16 +00:00
parent f99fc2c12d
commit 292d4a5b28
1 changed files with 2 additions and 0 deletions
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2
shared-core/i915_irq.c
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@ -54,6 +54,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
if (temp & USER_INT_FLAG)
DRM_WAKEUP(&dev_priv->irq_queue);