From: Dave Airlie <airlied@linux.ie>
Date: Mon, 20 Mar 2006 07:34:29 +0000 (+1100)
Subject: drm: read breadcrumb in IRQ handler
X-Git-Tag: v2.6.17-rc1~147^2~3
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=6e5fca53c72c95da92c092411c7ec81e926af632

drm: read breadcrumb in IRQ handler

From: Keith Whitwell <keithw@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
---

diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index d3879ac..a752afd 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -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);