From 70565d00db6ef5735819db973fa8da95bd34a6ab Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@jbarnes-acer.localdomain>
Date: Thu, 1 Jul 2010 04:45:43 -0700
Subject: [PATCH] drm/i915: fix page flip finish vs. prepare on plane B

The refreshed patch had a copy & paste bug.

Reported-by: Simon Farnsworth <simon.farnsworth@onelan.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/i915/i915_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d676e55eb212..dba53d4b9fb3 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -947,9 +947,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		}
 
 		if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT) {
+			intel_prepare_page_flip(dev, 1);
 			if (dev_priv->flip_pending_is_done)
 				intel_finish_page_flip_plane(dev, 1);
-			intel_prepare_page_flip(dev, 1);
 		}
 
 		if (pipea_stats & vblank_status) {