drm/i915: disable rc6 on ilk when vt-d is enabled
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Sun, 26 Aug 2012 18:33:18 +0000 (20:33 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Sun, 26 Aug 2012 18:35:57 +0000 (20:35 +0200)
commitcd7988eea561a70a4f98e431c1395f913672d626
tree6baa27afaaac90353bc4e03b1d01cac780b906ab
parent7788a765205f63abcb8645c16c85a968bd578f4f
drm/i915: disable rc6 on ilk when vt-d is enabled

It blows up. And hopefully this is the root-cause of the mysterious
rc6 related hang on ilk. For reference, the commit that enabled rc6 on
ilk again is:

commit 456470eb583f063ee84c6818251e638598be0fb8
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Aug 8 23:35:40 2012 +0200

    drm/i915: enable rc6 on ilk again

Reported-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c