root/drivers/gpu/drm/i915/intel_device_info.h

INCLUDED FROM

   1 /*
   2  * Copyright © 2014-2017 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  */
  24 
  25 #ifndef _INTEL_DEVICE_INFO_H_
  26 #define _INTEL_DEVICE_INFO_H_
  27 
  28 #include <uapi/drm/i915_drm.h>
  29 
  30 #include "display/intel_display.h"
  31 
  32 #include "gt/intel_engine_types.h"
  33 #include "gt/intel_context_types.h"
  34 #include "gt/intel_sseu.h"
  35 
  36 struct drm_printer;
  37 struct drm_i915_private;
  38 
  39 /* Keep in gen based order, and chronological order within a gen */
  40 enum intel_platform {
  41         INTEL_PLATFORM_UNINITIALIZED = 0,
  42         /* gen2 */
  43         INTEL_I830,
  44         INTEL_I845G,
  45         INTEL_I85X,
  46         INTEL_I865G,
  47         /* gen3 */
  48         INTEL_I915G,
  49         INTEL_I915GM,
  50         INTEL_I945G,
  51         INTEL_I945GM,
  52         INTEL_G33,
  53         INTEL_PINEVIEW,
  54         /* gen4 */
  55         INTEL_I965G,
  56         INTEL_I965GM,
  57         INTEL_G45,
  58         INTEL_GM45,
  59         /* gen5 */
  60         INTEL_IRONLAKE,
  61         /* gen6 */
  62         INTEL_SANDYBRIDGE,
  63         /* gen7 */
  64         INTEL_IVYBRIDGE,
  65         INTEL_VALLEYVIEW,
  66         INTEL_HASWELL,
  67         /* gen8 */
  68         INTEL_BROADWELL,
  69         INTEL_CHERRYVIEW,
  70         /* gen9 */
  71         INTEL_SKYLAKE,
  72         INTEL_BROXTON,
  73         INTEL_KABYLAKE,
  74         INTEL_GEMINILAKE,
  75         INTEL_COFFEELAKE,
  76         /* gen10 */
  77         INTEL_CANNONLAKE,
  78         /* gen11 */
  79         INTEL_ICELAKE,
  80         INTEL_ELKHARTLAKE,
  81         /* gen12 */
  82         INTEL_TIGERLAKE,
  83         INTEL_MAX_PLATFORMS
  84 };
  85 
  86 /*
  87  * Subplatform bits share the same namespace per parent platform. In other words
  88  * it is fine for the same bit to be used on multiple parent platforms.
  89  */
  90 
  91 #define INTEL_SUBPLATFORM_BITS (3)
  92 
  93 /* HSW/BDW/SKL/KBL/CFL */
  94 #define INTEL_SUBPLATFORM_ULT   (0)
  95 #define INTEL_SUBPLATFORM_ULX   (1)
  96 
  97 /* CNL/ICL */
  98 #define INTEL_SUBPLATFORM_PORTF (0)
  99 
 100 enum intel_ppgtt_type {
 101         INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
 102         INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
 103         INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
 104 };
 105 
 106 #define DEV_INFO_FOR_EACH_FLAG(func) \
 107         func(is_mobile); \
 108         func(is_lp); \
 109         func(require_force_probe); \
 110         /* Keep has_* in alphabetical order */ \
 111         func(has_64bit_reloc); \
 112         func(gpu_reset_clobbers_display); \
 113         func(has_reset_engine); \
 114         func(has_fpga_dbg); \
 115         func(has_global_mocs); \
 116         func(has_gt_uc); \
 117         func(has_l3_dpf); \
 118         func(has_llc); \
 119         func(has_logical_ring_contexts); \
 120         func(has_logical_ring_elsq); \
 121         func(has_logical_ring_preemption); \
 122         func(has_pooled_eu); \
 123         func(has_rc6); \
 124         func(has_rc6p); \
 125         func(has_rps); \
 126         func(has_runtime_pm); \
 127         func(has_snoop); \
 128         func(has_coherent_ggtt); \
 129         func(unfenced_needs_alignment); \
 130         func(hws_needs_physical);
 131 
 132 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
 133         /* Keep in alphabetical order */ \
 134         func(cursor_needs_physical); \
 135         func(has_csr); \
 136         func(has_ddi); \
 137         func(has_dp_mst); \
 138         func(has_fbc); \
 139         func(has_gmch); \
 140         func(has_hotplug); \
 141         func(has_ipc); \
 142         func(has_modular_fia); \
 143         func(has_overlay); \
 144         func(has_psr); \
 145         func(overlay_needs_physical); \
 146         func(supports_tv);
 147 
 148 struct intel_device_info {
 149         u16 gen_mask;
 150 
 151         u8 gen;
 152         u8 gt; /* GT number, 0 if undefined */
 153         intel_engine_mask_t engine_mask; /* Engines supported by the HW */
 154 
 155         enum intel_platform platform;
 156 
 157         enum intel_ppgtt_type ppgtt_type;
 158         unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
 159 
 160         unsigned int page_sizes; /* page sizes supported by the HW */
 161 
 162         u32 display_mmio_offset;
 163 
 164         u8 num_pipes;
 165 
 166 #define DEFINE_FLAG(name) u8 name:1
 167         DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
 168 #undef DEFINE_FLAG
 169 
 170         struct {
 171 #define DEFINE_FLAG(name) u8 name:1
 172                 DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
 173 #undef DEFINE_FLAG
 174         } display;
 175 
 176         u16 ddb_size; /* in blocks */
 177 
 178         /* Register offsets for the various display pipes and transcoders */
 179         int pipe_offsets[I915_MAX_TRANSCODERS];
 180         int trans_offsets[I915_MAX_TRANSCODERS];
 181         int cursor_offsets[I915_MAX_PIPES];
 182 
 183         struct color_luts {
 184                 u32 degamma_lut_size;
 185                 u32 gamma_lut_size;
 186                 u32 degamma_lut_tests;
 187                 u32 gamma_lut_tests;
 188         } color;
 189 };
 190 
 191 struct intel_runtime_info {
 192         /*
 193          * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
 194          * into single runtime conditionals, and also to provide groundwork
 195          * for future per platform, or per SKU build optimizations.
 196          *
 197          * Array can be extended when necessary if the corresponding
 198          * BUILD_BUG_ON is hit.
 199          */
 200         u32 platform_mask[2];
 201 
 202         u16 device_id;
 203 
 204         u8 num_sprites[I915_MAX_PIPES];
 205         u8 num_scalers[I915_MAX_PIPES];
 206 
 207         u8 num_engines;
 208 
 209         /* Slice/subslice/EU info */
 210         struct sseu_dev_info sseu;
 211 
 212         u32 cs_timestamp_frequency_khz;
 213 
 214         /* Media engine access to SFC per instance */
 215         u8 vdbox_sfc_access;
 216 };
 217 
 218 struct intel_driver_caps {
 219         unsigned int scheduler;
 220         bool has_logical_contexts:1;
 221 };
 222 
 223 const char *intel_platform_name(enum intel_platform platform);
 224 
 225 void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
 226 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
 227 void intel_device_info_dump_flags(const struct intel_device_info *info,
 228                                   struct drm_printer *p);
 229 void intel_device_info_dump_runtime(const struct intel_runtime_info *info,
 230                                     struct drm_printer *p);
 231 void intel_device_info_dump_topology(const struct sseu_dev_info *sseu,
 232                                      struct drm_printer *p);
 233 
 234 void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
 235 
 236 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 237                              struct drm_printer *p);
 238 
 239 #endif