From: Li Peng <peng.li@linux.intel.com>
Date: Fri, 22 Jan 2010 16:12:58 +0000 (+0800)
Subject: drm/i915: enable vblank interrupt on ironlake
X-Git-Tag: v2.6.33-rc7~2^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c062df61966405b0be6743bfb0cf300dca2fa7c2;p=pandora-kernel.git

drm/i915: enable vblank interrupt on ironlake

so far vblank interrupt on ironlake is disabled, this would cause
bad gfx performance if userspace calls drm_wait_vblank. This patch
enables vblank interrupt on ironlake and follows vblank get/put
model.

Signed-off-by: Li Peng <peng.li@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---

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