diff --git a/drivers/gpu/drm/i915/display/intel_display_conversion.h b/drivers/gpu/drm/i915/display/intel_display_conversion.h
new file mode 100644
index 000000000000..ad8545c8055d
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_conversion.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2024 Intel Corporation */
+
+/*
+ * This header is for transitional struct intel_display conversion helpers only.
+ */
+
+#ifndef __INTEL_DISPLAY_CONVERSION__
+#define __INTEL_DISPLAY_CONVERSION__
+
+/*
+ * Transitional macro to optionally convert struct drm_i915_private * to struct
+ * intel_display *, also accepting the latter.
+ */
+#define __to_intel_display(p)						\
+	_Generic(p,							\
+		 const struct drm_i915_private *: (&((const struct drm_i915_private *)(p))->display), \
+		 struct drm_i915_private *: (&((struct drm_i915_private *)(p))->display), \
+		 const struct intel_display *: (p),			\
+		 struct intel_display *: (p))
+
+#endif /* __INTEL_DISPLAY_CONVERSION__ */