drivers/gpu/drm/i915/intel_step.h

   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 graphics_step;
  15         u8 display_step;
  16         u8 media_step;
  17 };
  18
  19 #define STEP_ENUM_VAL(name)  STEP_##name,
  20
  21 #define STEP_NAME_LIST(func)            \
  22         func(A0)                        \
  23         func(A1)                        \
  24         func(A2)                        \
  25         func(B0)                        \
  26         func(B1)                        \
  27         func(B2)                        \
  28         func(C0)                        \
  29         func(C1)                        \
  30         func(D0)                        \
  31         func(D1)                        \
  32         func(E0)                        \
  33         func(F0)                        \
  34         func(G0)                        \
  35         func(H0)                        \
  36         func(I0)                        \
  37         func(I1)                        \
  38         func(J0)
  39
  40 /*
  41  * Symbolic steppings that do not match the hardware. These are valid both as gt
  42  * and display steppings as symbolic names.
  43  */
  44 enum intel_step {
  45         STEP_NONE = 0,
  46         STEP_NAME_LIST(STEP_ENUM_VAL)
  47         STEP_FUTURE,
  48         STEP_FOREVER,
  49 };
  50
  51 void intel_step_init(struct drm_i915_private *i915);
  52 const char *intel_step_name(enum intel_step step);
  53
  54 #endif /* __INTEL_STEP_H__ */