enum pipe;
struct drm_encoder;
struct drm_i915_private;
-struct drm_i915_private;
bool intel_crt_port_enabled(struct drm_i915_private *dev_priv,
i915_reg_t adpa_reg, enum pipe *pipe);
struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
-struct intel_crtc_state;
struct intel_digital_port;
struct intel_dp;
struct intel_encoder;
struct intel_crtc_state;
struct intel_dp;
struct intel_encoder;
-struct intel_crtc;
bool intel_vrr_is_capable(struct drm_connector *connector);
void intel_vrr_check_modeset(struct intel_atomic_state *state);