void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe);
-int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
- const struct dpll *dpll);
-void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
int lpt_get_iclkip(struct drm_i915_private *dev_priv);
bool intel_fuzzy_clock_check(int clock1, int clock2);