int intel_crtc_control(struct drm_crtc *crtc, bool enable);
void intel_crtc_update_dpms(struct drm_crtc *crtc);
void intel_encoder_destroy(struct drm_encoder *encoder);
int intel_crtc_control(struct drm_crtc *crtc, bool enable);
void intel_crtc_update_dpms(struct drm_crtc *crtc);
void intel_encoder_destroy(struct drm_encoder *encoder);