linux/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
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   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   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 shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#ifndef __AMDGPU_GFX_H__
  25#define __AMDGPU_GFX_H__
  26
  27/*
  28 * GFX stuff
  29 */
  30#include "clearstate_defs.h"
  31#include "amdgpu_ring.h"
  32#include "amdgpu_rlc.h"
  33
  34/* GFX current status */
  35#define AMDGPU_GFX_NORMAL_MODE                  0x00000000L
  36#define AMDGPU_GFX_SAFE_MODE                    0x00000001L
  37#define AMDGPU_GFX_PG_DISABLED_MODE             0x00000002L
  38#define AMDGPU_GFX_CG_DISABLED_MODE             0x00000004L
  39#define AMDGPU_GFX_LBPW_DISABLED_MODE           0x00000008L
  40
  41#define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
  42#define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
  43
  44enum gfx_pipe_priority {
  45        AMDGPU_GFX_PIPE_PRIO_NORMAL = 1,
  46        AMDGPU_GFX_PIPE_PRIO_HIGH,
  47        AMDGPU_GFX_PIPE_PRIO_MAX
  48};
  49
  50/* Argument for PPSMC_MSG_GpuChangeState */
  51enum gfx_change_state {
  52        sGpuChangeState_D0Entry = 1,
  53        sGpuChangeState_D3Entry,
  54};
  55
  56#define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM  0
  57#define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM  15
  58
  59struct amdgpu_mec {
  60        struct amdgpu_bo        *hpd_eop_obj;
  61        u64                     hpd_eop_gpu_addr;
  62        struct amdgpu_bo        *mec_fw_obj;
  63        u64                     mec_fw_gpu_addr;
  64        u32 num_mec;
  65        u32 num_pipe_per_mec;
  66        u32 num_queue_per_pipe;
  67        void                    *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
  68
  69        /* These are the resources for which amdgpu takes ownership */
  70        DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
  71};
  72
  73enum amdgpu_unmap_queues_action {
  74        PREEMPT_QUEUES = 0,
  75        RESET_QUEUES,
  76        DISABLE_PROCESS_QUEUES,
  77        PREEMPT_QUEUES_NO_UNMAP,
  78};
  79
  80struct kiq_pm4_funcs {
  81        /* Support ASIC-specific kiq pm4 packets*/
  82        void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
  83                                        uint64_t queue_mask);
  84        void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
  85                                        struct amdgpu_ring *ring);
  86        void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
  87                                 struct amdgpu_ring *ring,
  88                                 enum amdgpu_unmap_queues_action action,
  89                                 u64 gpu_addr, u64 seq);
  90        void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
  91                                        struct amdgpu_ring *ring,
  92                                        u64 addr,
  93                                        u64 seq);
  94        void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
  95                                uint16_t pasid, uint32_t flush_type,
  96                                bool all_hub);
  97        /* Packet sizes */
  98        int set_resources_size;
  99        int map_queues_size;
 100        int unmap_queues_size;
 101        int query_status_size;
 102        int invalidate_tlbs_size;
 103};
 104
 105struct amdgpu_kiq {
 106        u64                     eop_gpu_addr;
 107        struct amdgpu_bo        *eop_obj;
 108        spinlock_t              ring_lock;
 109        struct amdgpu_ring      ring;
 110        struct amdgpu_irq_src   irq;
 111        const struct kiq_pm4_funcs *pmf;
 112};
 113
 114/*
 115 * GPU scratch registers structures, functions & helpers
 116 */
 117struct amdgpu_scratch {
 118        unsigned                num_reg;
 119        uint32_t                reg_base;
 120        uint32_t                free_mask;
 121};
 122
 123/*
 124 * GFX configurations
 125 */
 126#define AMDGPU_GFX_MAX_SE 4
 127#define AMDGPU_GFX_MAX_SH_PER_SE 2
 128
 129struct amdgpu_rb_config {
 130        uint32_t rb_backend_disable;
 131        uint32_t user_rb_backend_disable;
 132        uint32_t raster_config;
 133        uint32_t raster_config_1;
 134};
 135
 136struct gb_addr_config {
 137        uint16_t pipe_interleave_size;
 138        uint8_t num_pipes;
 139        uint8_t max_compress_frags;
 140        uint8_t num_banks;
 141        uint8_t num_se;
 142        uint8_t num_rb_per_se;
 143        uint8_t num_pkrs;
 144};
 145
 146struct amdgpu_gfx_config {
 147        unsigned max_shader_engines;
 148        unsigned max_tile_pipes;
 149        unsigned max_cu_per_sh;
 150        unsigned max_sh_per_se;
 151        unsigned max_backends_per_se;
 152        unsigned max_texture_channel_caches;
 153        unsigned max_gprs;
 154        unsigned max_gs_threads;
 155        unsigned max_hw_contexts;
 156        unsigned sc_prim_fifo_size_frontend;
 157        unsigned sc_prim_fifo_size_backend;
 158        unsigned sc_hiz_tile_fifo_size;
 159        unsigned sc_earlyz_tile_fifo_size;
 160
 161        unsigned num_tile_pipes;
 162        unsigned backend_enable_mask;
 163        unsigned mem_max_burst_length_bytes;
 164        unsigned mem_row_size_in_kb;
 165        unsigned shader_engine_tile_size;
 166        unsigned num_gpus;
 167        unsigned multi_gpu_tile_size;
 168        unsigned mc_arb_ramcfg;
 169        unsigned num_banks;
 170        unsigned num_ranks;
 171        unsigned gb_addr_config;
 172        unsigned num_rbs;
 173        unsigned gs_vgt_table_depth;
 174        unsigned gs_prim_buffer_depth;
 175
 176        uint32_t tile_mode_array[32];
 177        uint32_t macrotile_mode_array[16];
 178
 179        struct gb_addr_config gb_addr_config_fields;
 180        struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
 181
 182        /* gfx configure feature */
 183        uint32_t double_offchip_lds_buf;
 184        /* cached value of DB_DEBUG2 */
 185        uint32_t db_debug2;
 186        /* gfx10 specific config */
 187        uint32_t num_sc_per_sh;
 188        uint32_t num_packer_per_sc;
 189        uint32_t pa_sc_tile_steering_override;
 190        uint64_t tcc_disabled_mask;
 191};
 192
 193struct amdgpu_cu_info {
 194        uint32_t simd_per_cu;
 195        uint32_t max_waves_per_simd;
 196        uint32_t wave_front_size;
 197        uint32_t max_scratch_slots_per_cu;
 198        uint32_t lds_size;
 199
 200        /* total active CU number */
 201        uint32_t number;
 202        uint32_t ao_cu_mask;
 203        uint32_t ao_cu_bitmap[4][4];
 204        uint32_t bitmap[4][4];
 205};
 206
 207struct amdgpu_gfx_funcs {
 208        /* get the gpu clock counter */
 209        uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
 210        void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
 211                             u32 sh_num, u32 instance);
 212        void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
 213                               uint32_t wave, uint32_t *dst, int *no_fields);
 214        void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
 215                                uint32_t wave, uint32_t thread, uint32_t start,
 216                                uint32_t size, uint32_t *dst);
 217        void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
 218                                uint32_t wave, uint32_t start, uint32_t size,
 219                                uint32_t *dst);
 220        void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
 221                                 u32 queue, u32 vmid);
 222        int (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if);
 223        int (*query_ras_error_count) (struct amdgpu_device *adev, void *ras_error_status);
 224        void (*reset_ras_error_count) (struct amdgpu_device *adev);
 225        void (*init_spm_golden)(struct amdgpu_device *adev);
 226        void (*query_ras_error_status) (struct amdgpu_device *adev);
 227        void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
 228};
 229
 230struct sq_work {
 231        struct work_struct      work;
 232        unsigned ih_data;
 233};
 234
 235struct amdgpu_pfp {
 236        struct amdgpu_bo                *pfp_fw_obj;
 237        uint64_t                        pfp_fw_gpu_addr;
 238        uint32_t                        *pfp_fw_ptr;
 239};
 240
 241struct amdgpu_ce {
 242        struct amdgpu_bo                *ce_fw_obj;
 243        uint64_t                        ce_fw_gpu_addr;
 244        uint32_t                        *ce_fw_ptr;
 245};
 246
 247struct amdgpu_me {
 248        struct amdgpu_bo                *me_fw_obj;
 249        uint64_t                        me_fw_gpu_addr;
 250        uint32_t                        *me_fw_ptr;
 251        uint32_t                        num_me;
 252        uint32_t                        num_pipe_per_me;
 253        uint32_t                        num_queue_per_pipe;
 254        void                            *mqd_backup[AMDGPU_MAX_GFX_RINGS];
 255
 256        /* These are the resources for which amdgpu takes ownership */
 257        DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
 258};
 259
 260struct amdgpu_gfx {
 261        struct mutex                    gpu_clock_mutex;
 262        struct amdgpu_gfx_config        config;
 263        struct amdgpu_rlc               rlc;
 264        struct amdgpu_pfp               pfp;
 265        struct amdgpu_ce                ce;
 266        struct amdgpu_me                me;
 267        struct amdgpu_mec               mec;
 268        struct amdgpu_kiq               kiq;
 269        struct amdgpu_scratch           scratch;
 270        const struct firmware           *me_fw; /* ME firmware */
 271        uint32_t                        me_fw_version;
 272        const struct firmware           *pfp_fw; /* PFP firmware */
 273        uint32_t                        pfp_fw_version;
 274        const struct firmware           *ce_fw; /* CE firmware */
 275        uint32_t                        ce_fw_version;
 276        const struct firmware           *rlc_fw; /* RLC firmware */
 277        uint32_t                        rlc_fw_version;
 278        const struct firmware           *mec_fw; /* MEC firmware */
 279        uint32_t                        mec_fw_version;
 280        const struct firmware           *mec2_fw; /* MEC2 firmware */
 281        uint32_t                        mec2_fw_version;
 282        uint32_t                        me_feature_version;
 283        uint32_t                        ce_feature_version;
 284        uint32_t                        pfp_feature_version;
 285        uint32_t                        rlc_feature_version;
 286        uint32_t                        rlc_srlc_fw_version;
 287        uint32_t                        rlc_srlc_feature_version;
 288        uint32_t                        rlc_srlg_fw_version;
 289        uint32_t                        rlc_srlg_feature_version;
 290        uint32_t                        rlc_srls_fw_version;
 291        uint32_t                        rlc_srls_feature_version;
 292        uint32_t                        mec_feature_version;
 293        uint32_t                        mec2_feature_version;
 294        bool                            mec_fw_write_wait;
 295        bool                            me_fw_write_wait;
 296        bool                            cp_fw_write_wait;
 297        struct amdgpu_ring              gfx_ring[AMDGPU_MAX_GFX_RINGS];
 298        unsigned                        num_gfx_rings;
 299        struct amdgpu_ring              compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
 300        unsigned                        num_compute_rings;
 301        struct amdgpu_irq_src           eop_irq;
 302        struct amdgpu_irq_src           priv_reg_irq;
 303        struct amdgpu_irq_src           priv_inst_irq;
 304        struct amdgpu_irq_src           cp_ecc_error_irq;
 305        struct amdgpu_irq_src           sq_irq;
 306        struct sq_work                  sq_work;
 307
 308        /* gfx status */
 309        uint32_t                        gfx_current_status;
 310        /* ce ram size*/
 311        unsigned                        ce_ram_size;
 312        struct amdgpu_cu_info           cu_info;
 313        const struct amdgpu_gfx_funcs   *funcs;
 314
 315        /* reset mask */
 316        uint32_t                        grbm_soft_reset;
 317        uint32_t                        srbm_soft_reset;
 318
 319        /* gfx off */
 320        bool                            gfx_off_state; /* true: enabled, false: disabled */
 321        struct mutex                    gfx_off_mutex;
 322        uint32_t                        gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
 323        struct delayed_work             gfx_off_delay_work;
 324
 325        /* pipe reservation */
 326        struct mutex                    pipe_reserve_mutex;
 327        DECLARE_BITMAP                  (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
 328
 329        /*ras */
 330        struct ras_common_if            *ras_if;
 331};
 332
 333#define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
 334#define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
 335#define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
 336#define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
 337
 338/**
 339 * amdgpu_gfx_create_bitmask - create a bitmask
 340 *
 341 * @bit_width: length of the mask
 342 *
 343 * create a variable length bit mask.
 344 * Returns the bitmask.
 345 */
 346static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
 347{
 348        return (u32)((1ULL << bit_width) - 1);
 349}
 350
 351int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
 352void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
 353
 354void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
 355                                 unsigned max_sh);
 356
 357int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 358                             struct amdgpu_ring *ring,
 359                             struct amdgpu_irq_src *irq);
 360
 361void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
 362
 363void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
 364int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
 365                        unsigned hpd_size);
 366
 367int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 368                           unsigned mqd_size);
 369void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
 370int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
 371int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
 372
 373void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
 374void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
 375
 376int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
 377                                int pipe, int queue);
 378void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
 379                                 int *mec, int *pipe, int *queue);
 380bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
 381                                     int pipe, int queue);
 382bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
 383                                               struct amdgpu_ring *ring);
 384int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
 385                               int pipe, int queue);
 386void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
 387                                int *me, int *pipe, int *queue);
 388bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
 389                                    int pipe, int queue);
 390void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
 391int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
 392int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev);
 393void amdgpu_gfx_ras_fini(struct amdgpu_device *adev);
 394int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
 395                void *err_data,
 396                struct amdgpu_iv_entry *entry);
 397int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
 398                                  struct amdgpu_irq_src *source,
 399                                  struct amdgpu_iv_entry *entry);
 400uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
 401void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
 402int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
 403void amdgpu_gfx_state_change_set(struct amdgpu_device *adev, enum gfx_change_state state);
 404#endif
 405