1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_utils.c b/drivers/gpu/drm/i915/display/intel_display_utils.c
new file mode 100644
index 000000000000..04d010f7c23e
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_utils.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2025 Intel Corporation */
+
+#include <linux/device.h>
+
+#include <drm/drm_device.h>
+
+#ifdef CONFIG_X86
+#include <asm/hypervisor.h>
+#endif
+
+#include "intel_display_core.h"
+#include "intel_display_utils.h"
+
+bool intel_display_run_as_guest(struct intel_display *display)
+{
+#if IS_ENABLED(CONFIG_X86)
+	return !hypervisor_is_type(X86_HYPER_NATIVE);
+#else
+	/* Not supported yet */
+	return false;
+#endif
+}
+
+bool intel_display_vtd_active(struct intel_display *display)
+{
+	if (device_iommu_mapped(display->drm->dev))
+		return true;
+
+	/* Running as a guest, we assume the host is enforcing VT'd */
+	return intel_display_run_as_guest(display);
+}