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         /*
  15          * It is expected to have 4 number steps per letter. Deviation from
  16          * the expectation breaks gmd_to_intel_step().
  17          */
  18         u8 graphics_step;       /* Represents the compute tile on Xe_HPC */
  19         u8 display_step;
  20         u8 media_step;
  21         u8 basedie_step;
  22 };
  23
  24 #define STEP_ENUM_VAL(name)  STEP_##name,
  25
  26 #define STEP_NAME_LIST(func)            \
  27         func(A0)                        \
  28         func(A1)                        \
  29         func(A2)                        \
  30         func(A3)                        \
  31         func(B0)                        \
  32         func(B1)                        \
  33         func(B2)                        \
  34         func(B3)                        \
  35         func(C0)                        \
  36         func(C1)                        \
  37         func(C2)                        \
  38         func(C3)                        \
  39         func(D0)                        \
  40         func(D1)                        \
  41         func(D2)                        \
  42         func(D3)                        \
  43         func(E0)                        \
  44         func(E1)                        \
  45         func(E2)                        \
  46         func(E3)                        \
  47         func(F0)                        \
  48         func(F1)                        \
  49         func(F2)                        \
  50         func(F3)                        \
  51         func(G0)                        \
  52         func(G1)                        \
  53         func(G2)                        \
  54         func(G3)                        \
  55         func(H0)                        \
  56         func(H1)                        \
  57         func(H2)                        \
  58         func(H3)                        \
  59         func(I0)                        \
  60         func(I1)                        \
  61         func(I2)                        \
  62         func(I3)                        \
  63         func(J0)                        \
  64         func(J1)                        \
  65         func(J2)                        \
  66         func(J3)
  67
  68 /*
  69  * Symbolic steppings that do not match the hardware. These are valid both as gt
  70  * and display steppings as symbolic names.
  71  */
  72 enum intel_step {
  73         STEP_NONE = 0,
  74         STEP_NAME_LIST(STEP_ENUM_VAL)
  75         STEP_FUTURE,
  76         STEP_FOREVER,
  77 };
  78
  79 void intel_step_init(struct drm_i915_private *i915);
  80 const char *intel_step_name(enum intel_step step);
  81 const char *intel_display_step_name(struct drm_i915_private *i915);
  82
  83 #endif /* __INTEL_STEP_H__ */