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Subject2.6.35-rc6+: i915: Bisected regression
This commit makes suspend to ram unreliable for me:

commit d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0
Author: Zou Nan hai <>
Date: Fri May 21 09:08:57 2010 +0800

drm/i915: implement BSD ring buffer V2

The BSD (bit stream decoder) ring is used for accessing the BSD engine
which decodes video bitstream for H.264 and VC1 on G45+. It is
asynchronous with the render ring and has access to separate parts of
the GPU from it, though the render cache is coherent between the two.

Signed-off-by: Zou Nan hai <>
Signed-off-by: Xiang Hai hao <>
Signed-off-by: Eric Anholt <>

git revert didn't work on 2.6.35-rc6 so I just changed the HAS_BSD thing to:

#define HAS_BSD(dev) (0)

with this change applied suspend to ram is back to the reliability of 2.6.34.y

with kind regards

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