]  f7fd9f4e 0000000f f7f328a0 00000000 00000000 00000000 f2169ca4 f68a414c
[ 6033.229012] Call Trace:
[ 6033.229012]  [<f87045d8>] ? intel_crtc_disable+0x36/0x41 [i915]
[ 6033.229012]  [<f7fd8091>] ?  drm_helper_disable_unused_functions+0xcd/0xf9 [drm_kms_helper]
[ 6033.229012]  [<f7fd9377>] ? drm_crtc_helper_set_config+0x62a/0x7f7 [drm_kms_helper]
[ 6033.229012]  [<c04daa10>] ? __slab_free+0x1b/0xa4
[ 6033.229012]  [<f7fd7e62>] ? drm_fb_helper_initial_config+0x466/0x497 [drm_kms_helper]
[ 6033.229012]  [<f7fd7ea3>] ? drm_fb_helper_restore+0x10/0x2a [drm_kms_helper]
[ 6033.229012]  [<f86f2577>] ? i915_driver_lastclose+0x2a/0x57 [i915]
[ 6033.229012]  [<f7f1989f>] ? drm_lastclose+0x45/0x23e [drm]
[ 6033.229012]  [<f7f1a0b4>] ? drm_release+0x462/0x4d7 [drm]

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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