extern void intel_enable_gt_powersave(struct drm_device *dev);
extern void intel_disable_gt_powersave(struct drm_device *dev);
+extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv);
extern void intel_ddi_dpms(struct drm_encoder *encoder, int mode);
extern void intel_ddi_mode_set(struct drm_encoder *encoder,