From a6b54f3f5050c0cbc0c35dd48064846c6302706b Mon Sep 17 00:00:00 2001
From: =?utf8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?=
 <michel@tungstengraphics.com>
Date: Tue, 24 Oct 2006 23:37:43 +1000
Subject: [PATCH] drm: i915: Add ioctl for scheduling buffer swaps at vertical
 blanks.

This uses the core facility to schedule a driver callback that will be called
ASAP after the given vertical blank interrupt with the HW lock held.

Signed-off-by: Dave Airlie <airlied@linux.ie>
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