From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 16 Mar 2026 12:15:02 +0000 (+0200)
Subject: drm/intel: add shared step.h and switch i915 to use it
X-Git-Tag: v7.1-rc1~167^2~14^2~59
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ccc8a922906703cd0efdf1bdd6186f18f7e23ec;p=thirdparty%2Flinux.git

drm/intel: add shared step.h and switch i915 to use it

As the first step towards using shared definitions for step name
enumerations, add shared include/drm/intel/step.h and switch i915 to use
it.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patch.msgid.link/e76412a316ddff44dc46633d80e9caa5df54ed6b.1773663208.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h
index 22f1d69051600..2ca36eae4b5a6 100644
--- a/drivers/gpu/drm/i915/intel_step.h
+++ b/drivers/gpu/drm/i915/intel_step.h
@@ -8,6 +8,8 @@
 
 #include <linux/types.h>
 
+#include <drm/intel/step.h>
+
 struct drm_i915_private;
 
 struct intel_step_info {
@@ -19,61 +21,6 @@ struct intel_step_info {
 	u8 media_step;
 };
 
-#define STEP_ENUM_VAL(name)  STEP_##name,
-
-#define STEP_NAME_LIST(func)		\
-	func(A0)			\
-	func(A1)			\
-	func(A2)			\
-	func(A3)			\
-	func(B0)			\
-	func(B1)			\
-	func(B2)			\
-	func(B3)			\
-	func(C0)			\
-	func(C1)			\
-	func(C2)			\
-	func(C3)			\
-	func(D0)			\
-	func(D1)			\
-	func(D2)			\
-	func(D3)			\
-	func(E0)			\
-	func(E1)			\
-	func(E2)			\
-	func(E3)			\
-	func(F0)			\
-	func(F1)			\
-	func(F2)			\
-	func(F3)			\
-	func(G0)			\
-	func(G1)			\
-	func(G2)			\
-	func(G3)			\
-	func(H0)			\
-	func(H1)			\
-	func(H2)			\
-	func(H3)			\
-	func(I0)			\
-	func(I1)			\
-	func(I2)			\
-	func(I3)			\
-	func(J0)			\
-	func(J1)			\
-	func(J2)			\
-	func(J3)
-
-/*
- * Symbolic steppings that do not match the hardware. These are valid both as gt
- * and display steppings as symbolic names.
- */
-enum intel_step {
-	STEP_NONE = 0,
-	STEP_NAME_LIST(STEP_ENUM_VAL)
-	STEP_FUTURE,
-	STEP_FOREVER,
-};
-
 void intel_step_init(struct drm_i915_private *i915);
 const char *intel_step_name(enum intel_step step);
 
diff --git a/include/drm/intel/step.h b/include/drm/intel/step.h
new file mode 100644
index 0000000000000..4de7520109bc5
--- /dev/null
+++ b/include/drm/intel/step.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __STEP_H__
+#define __STEP_H__
+
+#define STEP_ENUM_VAL(name)  STEP_##name,
+
+#define STEP_NAME_LIST(func)		\
+	func(A0)			\
+	func(A1)			\
+	func(A2)			\
+	func(A3)			\
+	func(B0)			\
+	func(B1)			\
+	func(B2)			\
+	func(B3)			\
+	func(C0)			\
+	func(C1)			\
+	func(C2)			\
+	func(C3)			\
+	func(D0)			\
+	func(D1)			\
+	func(D2)			\
+	func(D3)			\
+	func(E0)			\
+	func(E1)			\
+	func(E2)			\
+	func(E3)			\
+	func(F0)			\
+	func(F1)			\
+	func(F2)			\
+	func(F3)			\
+	func(G0)			\
+	func(G1)			\
+	func(G2)			\
+	func(G3)			\
+	func(H0)			\
+	func(H1)			\
+	func(H2)			\
+	func(H3)			\
+	func(I0)			\
+	func(I1)			\
+	func(I2)			\
+	func(I3)			\
+	func(J0)			\
+	func(J1)			\
+	func(J2)			\
+	func(J3)
+
+/*
+ * Symbolic steppings that do not match the hardware. These are valid both as gt
+ * and display steppings as symbolic names.
+ */
+enum intel_step {
+	STEP_NONE = 0,
+	STEP_NAME_LIST(STEP_ENUM_VAL)
+	STEP_FUTURE,
+	STEP_FOREVER,
+};
+
+#endif /* __STEP_H__ */