drm/i915: Remove get_existing_crtc_state

	return to_intel_crtc_state(crtc_state);

}

static inline struct intel_crtc_state *

intel_atomic_get_existing_crtc_state(struct drm_atomic_state *state,

				     struct intel_crtc *crtc)

{

	struct drm_crtc_state *crtc_state;

	crtc_state = drm_atomic_get_existing_crtc_state(state, &crtc->base);

	if (crtc_state)

		return to_intel_crtc_state(crtc_state);

	else

		return NULL;

}

int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,

			       struct intel_crtc *intel_crtc,

			       struct intel_crtc_state *crtc_state);