1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2020,2021 Intel Corporation 4 */ 5 6 #ifndef __INTEL_STEP_H__ 7 #define __INTEL_STEP_H__ 8 9 #include <linux/types.h> 10 11 struct drm_i915_private; 12 13 struct intel_step_info { 14 u8 gt_step; 15 u8 display_step; 16 }; 17 18 /* 19 * Symbolic steppings that do not match the hardware. These are valid both as gt 20 * and display steppings as symbolic names. 21 */ 22 enum intel_step { 23 STEP_NONE = 0, 24 STEP_A0, 25 STEP_A2, 26 STEP_B0, 27 STEP_B1, 28 STEP_C0, 29 STEP_D0, 30 STEP_D1, 31 STEP_E0, 32 STEP_F0, 33 STEP_G0, 34 STEP_FUTURE, 35 STEP_FOREVER, 36 }; 37 38 void intel_step_init(struct drm_i915_private *i915); 39 40 #endif /* __INTEL_STEP_H__ */ 41