drivers/gpu/drm/amd/amdgpu/soc15.c

   1 /*
   2  * Copyright 2016 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 #include <linux/firmware.h>
  24 #include <linux/slab.h>
  25 #include <linux/module.h>
  26 #include <drm/drmP.h>
  27 #include "amdgpu.h"
  28 #include "amdgpu_atombios.h"
  29 #include "amdgpu_ih.h"
  30 #include "amdgpu_uvd.h"
  31 #include "amdgpu_vce.h"
  32 #include "amdgpu_ucode.h"
  33 #include "amdgpu_psp.h"
  34 #include "atom.h"
  35 #include "amd_pcie.h"
  36
  37 #include "uvd/uvd_7_0_offset.h"
  38 #include "gc/gc_9_0_offset.h"
  39 #include "gc/gc_9_0_sh_mask.h"
  40 #include "sdma0/sdma0_4_0_offset.h"
  41 #include "sdma1/sdma1_4_0_offset.h"
  42 #include "hdp/hdp_4_0_offset.h"
  43 #include "hdp/hdp_4_0_sh_mask.h"
  44 #include "smuio/smuio_9_0_offset.h"
  45 #include "smuio/smuio_9_0_sh_mask.h"
  46
  47 #include "soc15.h"
  48 #include "soc15_common.h"
  49 #include "gfx_v9_0.h"
  50 #include "gmc_v9_0.h"
  51 #include "gfxhub_v1_0.h"
  52 #include "mmhub_v1_0.h"
  53 #include "df_v1_7.h"
  54 #include "df_v3_6.h"
  55 #include "vega10_ih.h"
  56 #include "sdma_v4_0.h"
  57 #include "uvd_v7_0.h"
  58 #include "vce_v4_0.h"
  59 #include "vcn_v1_0.h"
  60 #include "dce_virtual.h"
  61 #include "mxgpu_ai.h"
  62
  63 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
  64 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
  65 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
  66 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
  67
  68 /* for Vega20 register name change */
  69 #define mmHDP_MEM_POWER_CTRL    0x00d4
  70 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK  0x00000001L
  71 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK    0x00000002L
  72 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK   0x00010000L
  73 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK             0x00020000L
  74 #define mmHDP_MEM_POWER_CTRL_BASE_IDX   0
  75 /*
  76  * Indirect registers accessor
  77  */
  78 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
  79 {
  80         unsigned long flags, address, data;
  81         u32 r;
  82         address = adev->nbio_funcs->get_pcie_index_offset(adev);
  83         data = adev->nbio_funcs->get_pcie_data_offset(adev);
  84
  85         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  86         WREG32(address, reg);
  87         (void)RREG32(address);
  88         r = RREG32(data);
  89         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  90         return r;
  91 }
  92
  93 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
  94 {
  95         unsigned long flags, address, data;
  96
  97         address = adev->nbio_funcs->get_pcie_index_offset(adev);
  98         data = adev->nbio_funcs->get_pcie_data_offset(adev);
  99
 100         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 101         WREG32(address, reg);
 102         (void)RREG32(address);
 103         WREG32(data, v);
 104         (void)RREG32(data);
 105         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 106 }
 107
 108 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
 109 {
 110         unsigned long flags, address, data;
 111         u32 r;
 112
 113         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 114         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 115
 116         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 117         WREG32(address, ((reg) & 0x1ff));
 118         r = RREG32(data);
 119         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 120         return r;
 121 }
 122
 123 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 124 {
 125         unsigned long flags, address, data;
 126
 127         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 128         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 129
 130         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 131         WREG32(address, ((reg) & 0x1ff));
 132         WREG32(data, (v));
 133         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 134 }
 135
 136 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
 137 {
 138         unsigned long flags, address, data;
 139         u32 r;
 140
 141         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 142         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 143
 144         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 145         WREG32(address, (reg));
 146         r = RREG32(data);
 147         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 148         return r;
 149 }
 150
 151 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 152 {
 153         unsigned long flags, address, data;
 154
 155         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 156         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 157
 158         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 159         WREG32(address, (reg));
 160         WREG32(data, (v));
 161         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 162 }
 163
 164 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
 165 {
 166         unsigned long flags;
 167         u32 r;
 168
 169         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 170         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 171         r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
 172         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 173         return r;
 174 }
 175
 176 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 177 {
 178         unsigned long flags;
 179
 180         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 181         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 182         WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
 183         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 184 }
 185
 186 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
 187 {
 188         unsigned long flags;
 189         u32 r;
 190
 191         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 192         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 193         r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
 194         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 195         return r;
 196 }
 197
 198 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 199 {
 200         unsigned long flags;
 201
 202         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 203         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 204         WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
 205         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 206 }
 207
 208 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
 209 {
 210         return adev->nbio_funcs->get_memsize(adev);
 211 }
 212
 213 static u32 soc15_get_xclk(struct amdgpu_device *adev)
 214 {
 215         return adev->clock.spll.reference_freq;
 216 }
 217
 218
 219 void soc15_grbm_select(struct amdgpu_device *adev,
 220                      u32 me, u32 pipe, u32 queue, u32 vmid)
 221 {
 222         u32 grbm_gfx_cntl = 0;
 223         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
 224         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
 225         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
 226         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
 227
 228         WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
 229 }
 230
 231 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
 232 {
 233         /* todo */
 234 }
 235
 236 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
 237 {
 238         /* todo */
 239         return false;
 240 }
 241
 242 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
 243                                      u8 *bios, u32 length_bytes)
 244 {
 245         u32 *dw_ptr;
 246         u32 i, length_dw;
 247
 248         if (bios == NULL)
 249                 return false;
 250         if (length_bytes == 0)
 251                 return false;
 252         /* APU vbios image is part of sbios image */
 253         if (adev->flags & AMD_IS_APU)
 254                 return false;
 255
 256         dw_ptr = (u32 *)bios;
 257         length_dw = ALIGN(length_bytes, 4) / 4;
 258
 259         /* set rom index to 0 */
 260         WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
 261         /* read out the rom data */
 262         for (i = 0; i < length_dw; i++)
 263                 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
 264
 265         return true;
 266 }
 267
 268 struct soc15_allowed_register_entry {
 269         uint32_t hwip;
 270         uint32_t inst;
 271         uint32_t seg;
 272         uint32_t reg_offset;
 273         bool grbm_indexed;
 274 };
 275
 276
 277 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
 278         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
 279         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
 280         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
 281         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
 282         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
 283         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
 284         { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
 285         { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
 286         { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
 287         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
 288         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
 289         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
 290         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
 291         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
 292         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
 293         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
 294         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
 295         { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
 296         { SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
 297 };
 298
 299 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
 300                                          u32 sh_num, u32 reg_offset)
 301 {
 302         uint32_t val;
 303
 304         mutex_lock(&adev->grbm_idx_mutex);
 305         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 306                 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 307
 308         val = RREG32(reg_offset);
 309
 310         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 311                 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 312         mutex_unlock(&adev->grbm_idx_mutex);
 313         return val;
 314 }
 315
 316 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
 317                                          bool indexed, u32 se_num,
 318                                          u32 sh_num, u32 reg_offset)
 319 {
 320         if (indexed) {
 321                 return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
 322         } else {
 323                 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
 324                         return adev->gfx.config.gb_addr_config;
 325                 else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
 326                         return adev->gfx.config.db_debug2;
 327                 return RREG32(reg_offset);
 328         }
 329 }
 330
 331 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
 332                             u32 sh_num, u32 reg_offset, u32 *value)
 333 {
 334         uint32_t i;
 335         struct soc15_allowed_register_entry  *en;
 336
 337         *value = 0;
 338         for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
 339                 en = &soc15_allowed_read_registers[i];
 340                 if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
 341                                         + en->reg_offset))
 342                         continue;
 343
 344                 *value = soc15_get_register_value(adev,
 345                                                   soc15_allowed_read_registers[i].grbm_indexed,
 346                                                   se_num, sh_num, reg_offset);
 347                 return 0;
 348         }
 349         return -EINVAL;
 350 }
 351
 352
 353 /**
 354  * soc15_program_register_sequence - program an array of registers.
 355  *
 356  * @adev: amdgpu_device pointer
 357  * @regs: pointer to the register array
 358  * @array_size: size of the register array
 359  *
 360  * Programs an array or registers with and and or masks.
 361  * This is a helper for setting golden registers.
 362  */
 363
 364 void soc15_program_register_sequence(struct amdgpu_device *adev,
 365                                              const struct soc15_reg_golden *regs,
 366                                              const u32 array_size)
 367 {
 368         const struct soc15_reg_golden *entry;
 369         u32 tmp, reg;
 370         int i;
 371
 372         for (i = 0; i < array_size; ++i) {
 373                 entry = &regs[i];
 374                 reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
 375
 376                 if (entry->and_mask == 0xffffffff) {
 377                         tmp = entry->or_mask;
 378                 } else {
 379                         tmp = RREG32(reg);
 380                         tmp &= ~(entry->and_mask);
 381                         tmp |= entry->or_mask;
 382                 }
 383                 WREG32(reg, tmp);
 384         }
 385
 386 }
 387
 388
 389 static int soc15_asic_reset(struct amdgpu_device *adev)
 390 {
 391         u32 i;
 392
 393         amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 394
 395         dev_info(adev->dev, "GPU reset\n");
 396
 397         /* disable BM */
 398         pci_clear_master(adev->pdev);
 399
 400         pci_save_state(adev->pdev);
 401
 402         psp_gpu_reset(adev);
 403
 404         pci_restore_state(adev->pdev);
 405
 406         /* wait for asic to come out of reset */
 407         for (i = 0; i < adev->usec_timeout; i++) {
 408                 u32 memsize = adev->nbio_funcs->get_memsize(adev);
 409
 410                 if (memsize != 0xffffffff)
 411                         break;
 412                 udelay(1);
 413         }
 414
 415         amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 416
 417         return 0;
 418 }
 419
 420 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
 421                         u32 cntl_reg, u32 status_reg)
 422 {
 423         return 0;
 424 }*/
 425
 426 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 427 {
 428         /*int r;
 429
 430         r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
 431         if (r)
 432                 return r;
 433
 434         r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
 435         */
 436         return 0;
 437 }
 438
 439 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 440 {
 441         /* todo */
 442
 443         return 0;
 444 }
 445
 446 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
 447 {
 448         if (pci_is_root_bus(adev->pdev->bus))
 449                 return;
 450
 451         if (amdgpu_pcie_gen2 == 0)
 452                 return;
 453
 454         if (adev->flags & AMD_IS_APU)
 455                 return;
 456
 457         if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
 458                                         CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 459                 return;
 460
 461         /* todo */
 462 }
 463
 464 static void soc15_program_aspm(struct amdgpu_device *adev)
 465 {
 466
 467         if (amdgpu_aspm == 0)
 468                 return;
 469
 470         /* todo */
 471 }
 472
 473 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
 474                                            bool enable)
 475 {
 476         adev->nbio_funcs->enable_doorbell_aperture(adev, enable);
 477         adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable);
 478 }
 479
 480 static const struct amdgpu_ip_block_version vega10_common_ip_block =
 481 {
 482         .type = AMD_IP_BLOCK_TYPE_COMMON,
 483         .major = 2,
 484         .minor = 0,
 485         .rev = 0,
 486         .funcs = &soc15_common_ip_funcs,
 487 };
 488
 489 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
 490 {
 491         return adev->nbio_funcs->get_rev_id(adev);
 492 }
 493
 494 int soc15_set_ip_blocks(struct amdgpu_device *adev)
 495 {
 496         /* Set IP register base before any HW register access */
 497         switch (adev->asic_type) {
 498         case CHIP_VEGA10:
 499         case CHIP_VEGA12:
 500         case CHIP_RAVEN:
 501                 vega10_reg_base_init(adev);
 502                 break;
 503         case CHIP_VEGA20:
 504                 vega20_reg_base_init(adev);
 505                 break;
 506         default:
 507                 return -EINVAL;
 508         }
 509
 510         if (adev->asic_type == CHIP_VEGA20)
 511                 adev->gmc.xgmi.supported = true;
 512
 513         if (adev->flags & AMD_IS_APU)
 514                 adev->nbio_funcs = &nbio_v7_0_funcs;
 515         else if (adev->asic_type == CHIP_VEGA20)
 516                 adev->nbio_funcs = &nbio_v7_4_funcs;
 517         else
 518                 adev->nbio_funcs = &nbio_v6_1_funcs;
 519
 520         if (adev->asic_type == CHIP_VEGA20)
 521                 adev->df_funcs = &df_v3_6_funcs;
 522         else
 523                 adev->df_funcs = &df_v1_7_funcs;
 524
 525         adev->rev_id = soc15_get_rev_id(adev);
 526         adev->nbio_funcs->detect_hw_virt(adev);
 527
 528         if (amdgpu_sriov_vf(adev))
 529                 adev->virt.ops = &xgpu_ai_virt_ops;
 530
 531         switch (adev->asic_type) {
 532         case CHIP_VEGA10:
 533         case CHIP_VEGA12:
 534         case CHIP_VEGA20:
 535                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 536                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 537                 amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 538                 if (adev->asic_type == CHIP_VEGA20)
 539                         amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 540                 else
 541                         amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
 542                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 543                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 544                 if (!amdgpu_sriov_vf(adev))
 545                         amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
 546                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 547                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 548 #if defined(CONFIG_DRM_AMD_DC)
 549                 else if (amdgpu_device_has_dc_support(adev))
 550                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 551 #else
 552 #       warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15."
 553 #endif
 554                 if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
 555                         amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
 556                         amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
 557                 }
 558                 break;
 559         case CHIP_RAVEN:
 560                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 561                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 562                 amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 563                 amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
 564                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 565                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 566                 amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
 567                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 568                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 569 #if defined(CONFIG_DRM_AMD_DC)
 570                 else if (amdgpu_device_has_dc_support(adev))
 571                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 572 #else
 573 #       warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15."
 574 #endif
 575                 amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
 576                 break;
 577         default:
 578                 return -EINVAL;
 579         }
 580
 581         return 0;
 582 }
 583
 584 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
 585 {
 586         adev->nbio_funcs->hdp_flush(adev, ring);
 587 }
 588
 589 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
 590                                  struct amdgpu_ring *ring)
 591 {
 592         if (!ring || !ring->funcs->emit_wreg)
 593                 WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
 594         else
 595                 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
 596                         HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
 597 }
 598
 599 static bool soc15_need_full_reset(struct amdgpu_device *adev)
 600 {
 601         /* change this when we implement soft reset */
 602         return true;
 603 }
 604
 605 static const struct amdgpu_asic_funcs soc15_asic_funcs =
 606 {
 607         .read_disabled_bios = &soc15_read_disabled_bios,
 608         .read_bios_from_rom = &soc15_read_bios_from_rom,
 609         .read_register = &soc15_read_register,
 610         .reset = &soc15_asic_reset,
 611         .set_vga_state = &soc15_vga_set_state,
 612         .get_xclk = &soc15_get_xclk,
 613         .set_uvd_clocks = &soc15_set_uvd_clocks,
 614         .set_vce_clocks = &soc15_set_vce_clocks,
 615         .get_config_memsize = &soc15_get_config_memsize,
 616         .flush_hdp = &soc15_flush_hdp,
 617         .invalidate_hdp = &soc15_invalidate_hdp,
 618         .need_full_reset = &soc15_need_full_reset,
 619         .init_doorbell_index = &vega10_doorbell_index_init,
 620 };
 621
 622 static const struct amdgpu_asic_funcs vega20_asic_funcs =
 623 {
 624         .read_disabled_bios = &soc15_read_disabled_bios,
 625         .read_bios_from_rom = &soc15_read_bios_from_rom,
 626         .read_register = &soc15_read_register,
 627         .reset = &soc15_asic_reset,
 628         .set_vga_state = &soc15_vga_set_state,
 629         .get_xclk = &soc15_get_xclk,
 630         .set_uvd_clocks = &soc15_set_uvd_clocks,
 631         .set_vce_clocks = &soc15_set_vce_clocks,
 632         .get_config_memsize = &soc15_get_config_memsize,
 633         .flush_hdp = &soc15_flush_hdp,
 634         .invalidate_hdp = &soc15_invalidate_hdp,
 635         .need_full_reset = &soc15_need_full_reset,
 636         .init_doorbell_index = &vega20_doorbell_index_init,
 637 };
 638
 639 static int soc15_common_early_init(void *handle)
 640 {
 641         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 642
 643         adev->smc_rreg = NULL;
 644         adev->smc_wreg = NULL;
 645         adev->pcie_rreg = &soc15_pcie_rreg;
 646         adev->pcie_wreg = &soc15_pcie_wreg;
 647         adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
 648         adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
 649         adev->didt_rreg = &soc15_didt_rreg;
 650         adev->didt_wreg = &soc15_didt_wreg;
 651         adev->gc_cac_rreg = &soc15_gc_cac_rreg;
 652         adev->gc_cac_wreg = &soc15_gc_cac_wreg;
 653         adev->se_cac_rreg = &soc15_se_cac_rreg;
 654         adev->se_cac_wreg = &soc15_se_cac_wreg;
 655
 656
 657         adev->external_rev_id = 0xFF;
 658         switch (adev->asic_type) {
 659         case CHIP_VEGA10:
 660                 adev->asic_funcs = &soc15_asic_funcs;
 661                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 662                         AMD_CG_SUPPORT_GFX_MGLS |
 663                         AMD_CG_SUPPORT_GFX_RLC_LS |
 664                         AMD_CG_SUPPORT_GFX_CP_LS |
 665                         AMD_CG_SUPPORT_GFX_3D_CGCG |
 666                         AMD_CG_SUPPORT_GFX_3D_CGLS |
 667                         AMD_CG_SUPPORT_GFX_CGCG |
 668                         AMD_CG_SUPPORT_GFX_CGLS |
 669                         AMD_CG_SUPPORT_BIF_MGCG |
 670                         AMD_CG_SUPPORT_BIF_LS |
 671                         AMD_CG_SUPPORT_HDP_LS |
 672                         AMD_CG_SUPPORT_DRM_MGCG |
 673                         AMD_CG_SUPPORT_DRM_LS |
 674                         AMD_CG_SUPPORT_ROM_MGCG |
 675                         AMD_CG_SUPPORT_DF_MGCG |
 676                         AMD_CG_SUPPORT_SDMA_MGCG |
 677                         AMD_CG_SUPPORT_SDMA_LS |
 678                         AMD_CG_SUPPORT_MC_MGCG |
 679                         AMD_CG_SUPPORT_MC_LS;
 680                 adev->pg_flags = 0;
 681                 adev->external_rev_id = 0x1;
 682                 break;
 683         case CHIP_VEGA12:
 684                 adev->asic_funcs = &soc15_asic_funcs;
 685                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 686                         AMD_CG_SUPPORT_GFX_MGLS |
 687                         AMD_CG_SUPPORT_GFX_CGCG |
 688                         AMD_CG_SUPPORT_GFX_CGLS |
 689                         AMD_CG_SUPPORT_GFX_3D_CGCG |
 690                         AMD_CG_SUPPORT_GFX_3D_CGLS |
 691                         AMD_CG_SUPPORT_GFX_CP_LS |
 692                         AMD_CG_SUPPORT_MC_LS |
 693                         AMD_CG_SUPPORT_MC_MGCG |
 694                         AMD_CG_SUPPORT_SDMA_MGCG |
 695                         AMD_CG_SUPPORT_SDMA_LS |
 696                         AMD_CG_SUPPORT_BIF_MGCG |
 697                         AMD_CG_SUPPORT_BIF_LS |
 698                         AMD_CG_SUPPORT_HDP_MGCG |
 699                         AMD_CG_SUPPORT_HDP_LS |
 700                         AMD_CG_SUPPORT_ROM_MGCG |
 701                         AMD_CG_SUPPORT_VCE_MGCG |
 702                         AMD_CG_SUPPORT_UVD_MGCG;
 703                 adev->pg_flags = 0;
 704                 adev->external_rev_id = adev->rev_id + 0x14;
 705                 break;
 706         case CHIP_VEGA20:
 707                 adev->asic_funcs = &vega20_asic_funcs;
 708                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 709                         AMD_CG_SUPPORT_GFX_MGLS |
 710                         AMD_CG_SUPPORT_GFX_CGCG |
 711                         AMD_CG_SUPPORT_GFX_CGLS |
 712                         AMD_CG_SUPPORT_GFX_3D_CGCG |
 713                         AMD_CG_SUPPORT_GFX_3D_CGLS |
 714                         AMD_CG_SUPPORT_GFX_CP_LS |
 715                         AMD_CG_SUPPORT_MC_LS |
 716                         AMD_CG_SUPPORT_MC_MGCG |
 717                         AMD_CG_SUPPORT_SDMA_MGCG |
 718                         AMD_CG_SUPPORT_SDMA_LS |
 719                         AMD_CG_SUPPORT_BIF_MGCG |
 720                         AMD_CG_SUPPORT_BIF_LS |
 721                         AMD_CG_SUPPORT_HDP_MGCG |
 722                         AMD_CG_SUPPORT_HDP_LS |
 723                         AMD_CG_SUPPORT_ROM_MGCG |
 724                         AMD_CG_SUPPORT_VCE_MGCG |
 725                         AMD_CG_SUPPORT_UVD_MGCG;
 726                 adev->pg_flags = 0;
 727                 adev->external_rev_id = adev->rev_id + 0x28;
 728                 break;
 729         case CHIP_RAVEN:
 730                 adev->asic_funcs = &soc15_asic_funcs;
 731                 if (adev->rev_id >= 0x8)
 732                         adev->external_rev_id = adev->rev_id + 0x81;
 733                 else if (adev->pdev->device == 0x15d8)
 734                         adev->external_rev_id = adev->rev_id + 0x41;
 735                 else
 736                         adev->external_rev_id = 0x1;
 737
 738                 if (adev->rev_id >= 0x8) {
 739                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 740                                 AMD_CG_SUPPORT_GFX_MGLS |
 741                                 AMD_CG_SUPPORT_GFX_CP_LS |
 742                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
 743                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
 744                                 AMD_CG_SUPPORT_GFX_CGCG |
 745                                 AMD_CG_SUPPORT_GFX_CGLS |
 746                                 AMD_CG_SUPPORT_BIF_LS |
 747                                 AMD_CG_SUPPORT_HDP_LS |
 748                                 AMD_CG_SUPPORT_ROM_MGCG |
 749                                 AMD_CG_SUPPORT_MC_MGCG |
 750                                 AMD_CG_SUPPORT_MC_LS |
 751                                 AMD_CG_SUPPORT_SDMA_MGCG |
 752                                 AMD_CG_SUPPORT_SDMA_LS |
 753                                 AMD_CG_SUPPORT_VCN_MGCG;
 754
 755                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
 756                 } else if (adev->pdev->device == 0x15d8) {
 757                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGLS |
 758                                 AMD_CG_SUPPORT_GFX_CP_LS |
 759                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
 760                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
 761                                 AMD_CG_SUPPORT_GFX_CGCG |
 762                                 AMD_CG_SUPPORT_GFX_CGLS |
 763                                 AMD_CG_SUPPORT_BIF_LS |
 764                                 AMD_CG_SUPPORT_HDP_LS |
 765                                 AMD_CG_SUPPORT_ROM_MGCG |
 766                                 AMD_CG_SUPPORT_MC_MGCG |
 767                                 AMD_CG_SUPPORT_MC_LS |
 768                                 AMD_CG_SUPPORT_SDMA_MGCG |
 769                                 AMD_CG_SUPPORT_SDMA_LS;
 770
 771                         adev->pg_flags = AMD_PG_SUPPORT_SDMA |
 772                                 AMD_PG_SUPPORT_MMHUB |
 773                                 AMD_PG_SUPPORT_VCN |
 774                                 AMD_PG_SUPPORT_VCN_DPG;
 775                 } else {
 776                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 777                                 AMD_CG_SUPPORT_GFX_MGLS |
 778                                 AMD_CG_SUPPORT_GFX_RLC_LS |
 779                                 AMD_CG_SUPPORT_GFX_CP_LS |
 780                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
 781                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
 782                                 AMD_CG_SUPPORT_GFX_CGCG |
 783                                 AMD_CG_SUPPORT_GFX_CGLS |
 784                                 AMD_CG_SUPPORT_BIF_MGCG |
 785                                 AMD_CG_SUPPORT_BIF_LS |
 786                                 AMD_CG_SUPPORT_HDP_MGCG |
 787                                 AMD_CG_SUPPORT_HDP_LS |
 788                                 AMD_CG_SUPPORT_DRM_MGCG |
 789                                 AMD_CG_SUPPORT_DRM_LS |
 790                                 AMD_CG_SUPPORT_ROM_MGCG |
 791                                 AMD_CG_SUPPORT_MC_MGCG |
 792                                 AMD_CG_SUPPORT_MC_LS |
 793                                 AMD_CG_SUPPORT_SDMA_MGCG |
 794                                 AMD_CG_SUPPORT_SDMA_LS |
 795                                 AMD_CG_SUPPORT_VCN_MGCG;
 796
 797                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
 798                 }
 799
 800                 if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
 801                         adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
 802                                 AMD_PG_SUPPORT_CP |
 803                                 AMD_PG_SUPPORT_RLC_SMU_HS;
 804                 break;
 805         default:
 806                 /* FIXME: not supported yet */
 807                 return -EINVAL;
 808         }
 809
 810         if (amdgpu_sriov_vf(adev)) {
 811                 amdgpu_virt_init_setting(adev);
 812                 xgpu_ai_mailbox_set_irq_funcs(adev);
 813         }
 814
 815         return 0;
 816 }
 817
 818 static int soc15_common_late_init(void *handle)
 819 {
 820         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 821
 822         if (amdgpu_sriov_vf(adev))
 823                 xgpu_ai_mailbox_get_irq(adev);
 824
 825         return 0;
 826 }
 827
 828 static int soc15_common_sw_init(void *handle)
 829 {
 830         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 831
 832         if (amdgpu_sriov_vf(adev))
 833                 xgpu_ai_mailbox_add_irq_id(adev);
 834
 835         return 0;
 836 }
 837
 838 static int soc15_common_sw_fini(void *handle)
 839 {
 840         return 0;
 841 }
 842
 843 static int soc15_common_hw_init(void *handle)
 844 {
 845         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 846
 847         /* enable pcie gen2/3 link */
 848         soc15_pcie_gen3_enable(adev);
 849         /* enable aspm */
 850         soc15_program_aspm(adev);
 851         /* setup nbio registers */
 852         adev->nbio_funcs->init_registers(adev);
 853         /* enable the doorbell aperture */
 854         soc15_enable_doorbell_aperture(adev, true);
 855
 856         return 0;
 857 }
 858
 859 static int soc15_common_hw_fini(void *handle)
 860 {
 861         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 862
 863         /* disable the doorbell aperture */
 864         soc15_enable_doorbell_aperture(adev, false);
 865         if (amdgpu_sriov_vf(adev))
 866                 xgpu_ai_mailbox_put_irq(adev);
 867
 868         return 0;
 869 }
 870
 871 static int soc15_common_suspend(void *handle)
 872 {
 873         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 874
 875         return soc15_common_hw_fini(adev);
 876 }
 877
 878 static int soc15_common_resume(void *handle)
 879 {
 880         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 881
 882         return soc15_common_hw_init(adev);
 883 }
 884
 885 static bool soc15_common_is_idle(void *handle)
 886 {
 887         return true;
 888 }
 889
 890 static int soc15_common_wait_for_idle(void *handle)
 891 {
 892         return 0;
 893 }
 894
 895 static int soc15_common_soft_reset(void *handle)
 896 {
 897         return 0;
 898 }
 899
 900 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
 901 {
 902         uint32_t def, data;
 903
 904         if (adev->asic_type == CHIP_VEGA20) {
 905                 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
 906
 907                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
 908                         data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
 909                                 HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
 910                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
 911                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
 912                 else
 913                         data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
 914                                 HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
 915                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
 916                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
 917
 918                 if (def != data)
 919                         WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
 920         } else {
 921                 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
 922
 923                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
 924                         data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
 925                 else
 926                         data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
 927
 928                 if (def != data)
 929                         WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
 930         }
 931 }
 932
 933 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
 934 {
 935         uint32_t def, data;
 936
 937         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
 938
 939         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
 940                 data &= ~(0x01000000 |
 941                           0x02000000 |
 942                           0x04000000 |
 943                           0x08000000 |
 944                           0x10000000 |
 945                           0x20000000 |
 946                           0x40000000 |
 947                           0x80000000);
 948         else
 949                 data |= (0x01000000 |
 950                          0x02000000 |
 951                          0x04000000 |
 952                          0x08000000 |
 953                          0x10000000 |
 954                          0x20000000 |
 955                          0x40000000 |
 956                          0x80000000);
 957
 958         if (def != data)
 959                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
 960 }
 961
 962 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
 963 {
 964         uint32_t def, data;
 965
 966         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
 967
 968         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
 969                 data |= 1;
 970         else
 971                 data &= ~1;
 972
 973         if (def != data)
 974                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
 975 }
 976
 977 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
 978                                                        bool enable)
 979 {
 980         uint32_t def, data;
 981
 982         def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
 983
 984         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
 985                 data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
 986                         CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
 987         else
 988                 data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
 989                         CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
 990
 991         if (def != data)
 992                 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
 993 }
 994
 995 static int soc15_common_set_clockgating_state(void *handle,
 996                                             enum amd_clockgating_state state)
 997 {
 998         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 999
1000         if (amdgpu_sriov_vf(adev))
1001                 return 0;
1002
1003         switch (adev->asic_type) {
1004         case CHIP_VEGA10:
1005         case CHIP_VEGA12:
1006         case CHIP_VEGA20:
1007                 adev->nbio_funcs->update_medium_grain_clock_gating(adev,
1008                                 state == AMD_CG_STATE_GATE ? true : false);
1009                 adev->nbio_funcs->update_medium_grain_light_sleep(adev,
1010                                 state == AMD_CG_STATE_GATE ? true : false);
1011                 soc15_update_hdp_light_sleep(adev,
1012                                 state == AMD_CG_STATE_GATE ? true : false);
1013                 soc15_update_drm_clock_gating(adev,
1014                                 state == AMD_CG_STATE_GATE ? true : false);
1015                 soc15_update_drm_light_sleep(adev,
1016                                 state == AMD_CG_STATE_GATE ? true : false);
1017                 soc15_update_rom_medium_grain_clock_gating(adev,
1018                                 state == AMD_CG_STATE_GATE ? true : false);
1019                 adev->df_funcs->update_medium_grain_clock_gating(adev,
1020                                 state == AMD_CG_STATE_GATE ? true : false);
1021                 break;
1022         case CHIP_RAVEN:
1023                 adev->nbio_funcs->update_medium_grain_clock_gating(adev,
1024                                 state == AMD_CG_STATE_GATE ? true : false);
1025                 adev->nbio_funcs->update_medium_grain_light_sleep(adev,
1026                                 state == AMD_CG_STATE_GATE ? true : false);
1027                 soc15_update_hdp_light_sleep(adev,
1028                                 state == AMD_CG_STATE_GATE ? true : false);
1029                 soc15_update_drm_clock_gating(adev,
1030                                 state == AMD_CG_STATE_GATE ? true : false);
1031                 soc15_update_drm_light_sleep(adev,
1032                                 state == AMD_CG_STATE_GATE ? true : false);
1033                 soc15_update_rom_medium_grain_clock_gating(adev,
1034                                 state == AMD_CG_STATE_GATE ? true : false);
1035                 break;
1036         default:
1037                 break;
1038         }
1039         return 0;
1040 }
1041
1042 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1043 {
1044         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1045         int data;
1046
1047         if (amdgpu_sriov_vf(adev))
1048                 *flags = 0;
1049
1050         adev->nbio_funcs->get_clockgating_state(adev, flags);
1051
1052         /* AMD_CG_SUPPORT_HDP_LS */
1053         data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1054         if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1055                 *flags |= AMD_CG_SUPPORT_HDP_LS;
1056
1057         /* AMD_CG_SUPPORT_DRM_MGCG */
1058         data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1059         if (!(data & 0x01000000))
1060                 *flags |= AMD_CG_SUPPORT_DRM_MGCG;
1061
1062         /* AMD_CG_SUPPORT_DRM_LS */
1063         data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1064         if (data & 0x1)
1065                 *flags |= AMD_CG_SUPPORT_DRM_LS;
1066
1067         /* AMD_CG_SUPPORT_ROM_MGCG */
1068         data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1069         if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1070                 *flags |= AMD_CG_SUPPORT_ROM_MGCG;
1071
1072         adev->df_funcs->get_clockgating_state(adev, flags);
1073 }
1074
1075 static int soc15_common_set_powergating_state(void *handle,
1076                                             enum amd_powergating_state state)
1077 {
1078         /* todo */
1079         return 0;
1080 }
1081
1082 const struct amd_ip_funcs soc15_common_ip_funcs = {
1083         .name = "soc15_common",
1084         .early_init = soc15_common_early_init,
1085         .late_init = soc15_common_late_init,
1086         .sw_init = soc15_common_sw_init,
1087         .sw_fini = soc15_common_sw_fini,
1088         .hw_init = soc15_common_hw_init,
1089         .hw_fini = soc15_common_hw_fini,
1090         .suspend = soc15_common_suspend,
1091         .resume = soc15_common_resume,
1092         .is_idle = soc15_common_is_idle,
1093         .wait_for_idle = soc15_common_wait_for_idle,
1094         .soft_reset = soc15_common_soft_reset,
1095         .set_clockgating_state = soc15_common_set_clockgating_state,
1096         .set_powergating_state = soc15_common_set_powergating_state,
1097         .get_clockgating_state= soc15_common_get_clockgating_state,
1098 };