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drm: read breadcrumb in IRQ handler

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From: Keith Whitwell <keithw@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie 2006-03-20 18:34:29 +11:00
parent e7f947b908
commit 6e5fca53c7
1 changed files with 2 additions and 0 deletions
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2
drivers/char/drm/i915_irq.c
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@ -53,6 +53,8 @@ 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);