kernel/drivers/gpu/drm/i915/intel_step.h
2024-07-22 17:22:30 +08:00

54 lines
925 B
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020,2021 Intel Corporation
*/
#ifndef __INTEL_STEP_H__
#define __INTEL_STEP_H__
#include <linux/types.h>
struct drm_i915_private;
struct intel_step_info {
u8 gt_step;
u8 display_step;
};
#define STEP_ENUM_VAL(name) STEP_##name,
#define STEP_NAME_LIST(func) \
func(A0) \
func(A1) \
func(A2) \
func(B0) \
func(B1) \
func(B2) \
func(C0) \
func(C1) \
func(D0) \
func(D1) \
func(E0) \
func(F0) \
func(G0) \
func(H0) \
func(I0) \
func(I1) \
func(J0)
/*
* 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);
#endif /* __INTEL_STEP_H__ */