diff --git a/drivers/gpu/drm/i915/intel_opregion.h b/drivers/gpu/drm/i915/intel_opregion.h
index d84b6d2d2fae..4aa68ffbd30e 100644
--- a/drivers/gpu/drm/i915/intel_opregion.h
+++ b/drivers/gpu/drm/i915/intel_opregion.h
@@ -87,12 +87,12 @@ static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv)
 {
 }
 
-void intel_opregion_resume(struct drm_i915_private *dev_priv)
+static inline void intel_opregion_resume(struct drm_i915_private *dev_priv)
 {
 }
 
-void intel_opregion_suspend(struct drm_i915_private *dev_priv,
-			    pci_power_t state)
+static inline void intel_opregion_suspend(struct drm_i915_private *dev_priv,
+					  pci_power_t state)
 {
 }