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

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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>
This commit is contained in:
Jani Nikula
2026-03-16 14:15:02 +02:00
parent 706d58da4c
commit 3ccc8a9229
2 changed files with 64 additions and 55 deletions
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57
drivers/gpu/drm/i915/intel_step.h
View File

@@ -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);

62
include/drm/intel/step.h Normal file
View File

@@ -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__ */