[Intel-xe] [PATCH 4/6] fixup! drm/xe/display: Implement display support

[Chaitanya Kumar Borah]

Add compatibility header with helpers to get display step name. This
is needed to maintain compatibility with intel_dmc code.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 .../gpu/drm/xe/compat-i915-headers/i915_drv.h |  1 +
 .../drm/xe/compat-i915-headers/intel_step.h   | 20 +++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 drivers/gpu/drm/xe/compat-i915-headers/intel_step.h

diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_drv.h b/drivers/gpu/drm/xe/compat-i915-headers/i915_drv.h
index 8f55f63ff28b..ed7c39b4f770 100644
--- a/drivers/gpu/drm/xe/compat-i915-headers/i915_drv.h
+++ b/drivers/gpu/drm/xe/compat-i915-headers/i915_drv.h
@@ -20,6 +20,7 @@
 #include "i915_reg_defs.h"
 #include "i915_utils.h"
 #include "intel_gt_types.h"
+#include "intel_step.h"
 #include "intel_uncore.h"
 #include "intel_runtime_pm.h"
 #include <linux/pm_runtime.h>
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_step.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_step.h
new file mode 100644
index 000000000000..0006ef812346
--- /dev/null
+++ b/drivers/gpu/drm/xe/compat-i915-headers/intel_step.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __INTEL_STEP_H__
+#define __INTEL_STEP_H__
+
+#include "xe_device_types.h"
+#include "xe_step.h"
+
+#define intel_display_step_name xe_display_step_name
+
+static inline
+const char *xe_display_step_name(struct xe_device *xe)
+{
+	return xe_step_name(xe->info.step.display);
+}
+
+#endif /* __INTEL_STEP_H__ */
-- 
2.25.1