1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_utils.h b/drivers/gpu/drm/i915/display/intel_display_utils.h
new file mode 100644
index 000000000000..2a18f160320c
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_utils.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2025 Intel Corporation */
+
+#ifndef __INTEL_DISPLAY_UTILS__
+#define __INTEL_DISPLAY_UTILS__
+
+#include <linux/bug.h>
+#include <linux/types.h>
+
+struct intel_display;
+
+#ifndef MISSING_CASE
+#define MISSING_CASE(x) WARN(1, "Missing case (%s == %ld)\n", \
+			     __stringify(x), (long)(x))
+#endif
+
+#ifndef fetch_and_zero
+#define fetch_and_zero(ptr) ({						\
+	typeof(*ptr) __T = *(ptr);					\
+	*(ptr) = (typeof(*ptr))0;					\
+	__T;								\
+})
+#endif
+
+#define KHz(x) (1000 * (x))
+#define MHz(x) KHz(1000 * (x))
+
+bool intel_display_run_as_guest(struct intel_display *display);
+bool intel_display_vtd_active(struct intel_display *display);
+
+#endif /* __INTEL_DISPLAY_UTILS__ */