drm/i915: add fastboot param for fast & loose mode setting

Handling all the state properly for fastboot is still not yet done by
far, but we need some way to be able to test what we currently have.
So hide the not-yet-quite-complete stuff behind a module option.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Add a real commit message.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index da07f6f..4a23e95 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1551,6 +1551,7 @@
 extern unsigned int i915_preliminary_hw_support __read_mostly;
 extern int i915_disable_power_well __read_mostly;
 extern int i915_enable_ips __read_mostly;
+extern bool i915_fastboot __read_mostly;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);