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 <linux/pci.h>
  27
  28 #include <drm/amdgpu_drm.h>
  29
  30 #include "amdgpu.h"
  31 #include "amdgpu_atombios.h"
  32 #include "amdgpu_ih.h"
  33 #include "amdgpu_uvd.h"
  34 #include "amdgpu_vce.h"
  35 #include "amdgpu_ucode.h"
  36 #include "amdgpu_psp.h"
  37 #include "atom.h"
  38 #include "amd_pcie.h"
  39
  40 #include "uvd/uvd_7_0_offset.h"
  41 #include "gc/gc_9_0_offset.h"
  42 #include "gc/gc_9_0_sh_mask.h"
  43 #include "sdma0/sdma0_4_0_offset.h"
  44 #include "sdma1/sdma1_4_0_offset.h"
  45 #include "nbio/nbio_7_0_default.h"
  46 #include "nbio/nbio_7_0_offset.h"
  47 #include "nbio/nbio_7_0_sh_mask.h"
  48 #include "nbio/nbio_7_0_smn.h"
  49 #include "mp/mp_9_0_offset.h"
  50
  51 #include "soc15.h"
  52 #include "soc15_common.h"
  53 #include "gfx_v9_0.h"
  54 #include "gmc_v9_0.h"
  55 #include "gfxhub_v1_0.h"
  56 #include "mmhub_v1_0.h"
  57 #include "df_v1_7.h"
  58 #include "df_v3_6.h"
  59 #include "nbio_v6_1.h"
  60 #include "nbio_v7_0.h"
  61 #include "nbio_v7_4.h"
  62 #include "hdp_v4_0.h"
  63 #include "vega10_ih.h"
  64 #include "vega20_ih.h"
  65 #include "navi10_ih.h"
  66 #include "sdma_v4_0.h"
  67 #include "uvd_v7_0.h"
  68 #include "vce_v4_0.h"
  69 #include "vcn_v1_0.h"
  70 #include "vcn_v2_0.h"
  71 #include "jpeg_v2_0.h"
  72 #include "vcn_v2_5.h"
  73 #include "jpeg_v2_5.h"
  74 #include "smuio_v9_0.h"
  75 #include "smuio_v11_0.h"
  76 #include "smuio_v13_0.h"
  77 #include "amdgpu_vkms.h"
  78 #include "mxgpu_ai.h"
  79 #include "amdgpu_ras.h"
  80 #include "amdgpu_xgmi.h"
  81 #include <uapi/linux/kfd_ioctl.h>
  82
  83 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
  84 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
  85 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
  86 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
  87
  88 static const struct amd_ip_funcs soc15_common_ip_funcs;
  89
  90 /* Vega, Raven, Arcturus */
  91 static const struct amdgpu_video_codec_info vega_video_codecs_encode_array[] =
  92 {
  93         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 0)},
  94         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 0)},
  95 };
  96
  97 static const struct amdgpu_video_codecs vega_video_codecs_encode =
  98 {
  99         .codec_count = ARRAY_SIZE(vega_video_codecs_encode_array),
 100         .codec_array = vega_video_codecs_encode_array,
 101 };
 102
 103 /* Vega */
 104 static const struct amdgpu_video_codec_info vega_video_codecs_decode_array[] =
 105 {
 106         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
 107         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
 108         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
 109         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
 110         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
 111         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
 112 };
 113
 114 static const struct amdgpu_video_codecs vega_video_codecs_decode =
 115 {
 116         .codec_count = ARRAY_SIZE(vega_video_codecs_decode_array),
 117         .codec_array = vega_video_codecs_decode_array,
 118 };
 119
 120 /* Raven */
 121 static const struct amdgpu_video_codec_info rv_video_codecs_decode_array[] =
 122 {
 123         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
 124         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
 125         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
 126         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
 127         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
 128         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
 129         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 4096, 4096, 0)},
 130 };
 131
 132 static const struct amdgpu_video_codecs rv_video_codecs_decode =
 133 {
 134         .codec_count = ARRAY_SIZE(rv_video_codecs_decode_array),
 135         .codec_array = rv_video_codecs_decode_array,
 136 };
 137
 138 /* Renoir, Arcturus */
 139 static const struct amdgpu_video_codec_info rn_video_codecs_decode_array[] =
 140 {
 141         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
 142         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
 143         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
 144         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
 145         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
 146         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 16384, 16384, 0)},
 147         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
 148 };
 149
 150 static const struct amdgpu_video_codecs rn_video_codecs_decode =
 151 {
 152         .codec_count = ARRAY_SIZE(rn_video_codecs_decode_array),
 153         .codec_array = rn_video_codecs_decode_array,
 154 };
 155
 156 static const struct amdgpu_video_codec_info vcn_4_0_3_video_codecs_decode_array[] = {
 157         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
 158         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
 159         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 16384, 16384, 0)},
 160         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
 161         {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
 162 };
 163
 164 static const struct amdgpu_video_codecs vcn_4_0_3_video_codecs_decode = {
 165         .codec_count = ARRAY_SIZE(vcn_4_0_3_video_codecs_decode_array),
 166         .codec_array = vcn_4_0_3_video_codecs_decode_array,
 167 };
 168
 169 static const struct amdgpu_video_codecs vcn_4_0_3_video_codecs_encode = {
 170         .codec_count = 0,
 171         .codec_array = NULL,
 172 };
 173
 174 static int soc15_query_video_codecs(struct amdgpu_device *adev, bool encode,
 175                                     const struct amdgpu_video_codecs **codecs)
 176 {
 177         if (amdgpu_ip_version(adev, VCE_HWIP, 0)) {
 178                 switch (amdgpu_ip_version(adev, VCE_HWIP, 0)) {
 179                 case IP_VERSION(4, 0, 0):
 180                 case IP_VERSION(4, 1, 0):
 181                         if (encode)
 182                                 *codecs = &vega_video_codecs_encode;
 183                         else
 184                                 *codecs = &vega_video_codecs_decode;
 185                         return 0;
 186                 default:
 187                         return -EINVAL;
 188                 }
 189         } else {
 190                 switch (amdgpu_ip_version(adev, UVD_HWIP, 0)) {
 191                 case IP_VERSION(1, 0, 0):
 192                 case IP_VERSION(1, 0, 1):
 193                         if (encode)
 194                                 *codecs = &vega_video_codecs_encode;
 195                         else
 196                                 *codecs = &rv_video_codecs_decode;
 197                         return 0;
 198                 case IP_VERSION(2, 5, 0):
 199                 case IP_VERSION(2, 6, 0):
 200                 case IP_VERSION(2, 2, 0):
 201                         if (encode)
 202                                 *codecs = &vega_video_codecs_encode;
 203                         else
 204                                 *codecs = &rn_video_codecs_decode;
 205                         return 0;
 206                 case IP_VERSION(4, 0, 3):
 207                         if (encode)
 208                                 *codecs = &vcn_4_0_3_video_codecs_encode;
 209                         else
 210                                 *codecs = &vcn_4_0_3_video_codecs_decode;
 211                         return 0;
 212                 default:
 213                         return -EINVAL;
 214                 }
 215         }
 216 }
 217
 218 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
 219 {
 220         unsigned long flags, address, data;
 221         u32 r;
 222
 223         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 224         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 225
 226         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 227         WREG32(address, ((reg) & 0x1ff));
 228         r = RREG32(data);
 229         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 230         return r;
 231 }
 232
 233 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 234 {
 235         unsigned long flags, address, data;
 236
 237         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 238         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 239
 240         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 241         WREG32(address, ((reg) & 0x1ff));
 242         WREG32(data, (v));
 243         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 244 }
 245
 246 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
 247 {
 248         unsigned long flags, address, data;
 249         u32 r;
 250
 251         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 252         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 253
 254         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 255         WREG32(address, (reg));
 256         r = RREG32(data);
 257         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 258         return r;
 259 }
 260
 261 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 262 {
 263         unsigned long flags, address, data;
 264
 265         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 266         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 267
 268         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 269         WREG32(address, (reg));
 270         WREG32(data, (v));
 271         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 272 }
 273
 274 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
 275 {
 276         unsigned long flags;
 277         u32 r;
 278
 279         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 280         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 281         r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
 282         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 283         return r;
 284 }
 285
 286 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 287 {
 288         unsigned long flags;
 289
 290         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 291         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 292         WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
 293         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 294 }
 295
 296 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
 297 {
 298         unsigned long flags;
 299         u32 r;
 300
 301         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 302         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 303         r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
 304         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 305         return r;
 306 }
 307
 308 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 309 {
 310         unsigned long flags;
 311
 312         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 313         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 314         WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
 315         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 316 }
 317
 318 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
 319 {
 320         return adev->nbio.funcs->get_memsize(adev);
 321 }
 322
 323 static u32 soc15_get_xclk(struct amdgpu_device *adev)
 324 {
 325         u32 reference_clock = adev->clock.spll.reference_freq;
 326
 327         if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(12, 0, 0) ||
 328             amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(12, 0, 1) ||
 329             amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 6) ||
 330             amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 14))
 331                 return 10000;
 332         if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(10, 0, 0) ||
 333             amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(10, 0, 1))
 334                 return reference_clock / 4;
 335
 336         return reference_clock;
 337 }
 338
 339
 340 void soc15_grbm_select(struct amdgpu_device *adev,
 341                      u32 me, u32 pipe, u32 queue, u32 vmid, int xcc_id)
 342 {
 343         u32 grbm_gfx_cntl = 0;
 344         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
 345         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
 346         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
 347         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
 348
 349         WREG32_SOC15_RLC_SHADOW(GC, xcc_id, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
 350 }
 351
 352 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
 353 {
 354         /* todo */
 355         return false;
 356 }
 357
 358 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
 359         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
 360         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
 361         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
 362         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
 363         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
 364         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
 365         { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
 366         { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
 367         { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
 368         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
 369         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
 370         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
 371         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
 372         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
 373         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
 374         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
 375         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
 376         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
 377         { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
 378         { SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
 379 };
 380
 381 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
 382                                          u32 sh_num, u32 reg_offset)
 383 {
 384         uint32_t val;
 385
 386         mutex_lock(&adev->grbm_idx_mutex);
 387         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 388                 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff, 0);
 389
 390         val = RREG32(reg_offset);
 391
 392         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 393                 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, 0);
 394         mutex_unlock(&adev->grbm_idx_mutex);
 395         return val;
 396 }
 397
 398 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
 399                                          bool indexed, u32 se_num,
 400                                          u32 sh_num, u32 reg_offset)
 401 {
 402         if (indexed) {
 403                 return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
 404         } else {
 405                 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
 406                         return adev->gfx.config.gb_addr_config;
 407                 else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
 408                         return adev->gfx.config.db_debug2;
 409                 return RREG32(reg_offset);
 410         }
 411 }
 412
 413 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
 414                             u32 sh_num, u32 reg_offset, u32 *value)
 415 {
 416         uint32_t i;
 417         struct soc15_allowed_register_entry  *en;
 418
 419         *value = 0;
 420         for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
 421                 en = &soc15_allowed_read_registers[i];
 422                 if (!adev->reg_offset[en->hwip][en->inst])
 423                         continue;
 424                 else if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
 425                                         + en->reg_offset))
 426                         continue;
 427
 428                 *value = soc15_get_register_value(adev,
 429                                                   soc15_allowed_read_registers[i].grbm_indexed,
 430                                                   se_num, sh_num, reg_offset);
 431                 return 0;
 432         }
 433         return -EINVAL;
 434 }
 435
 436
 437 /**
 438  * soc15_program_register_sequence - program an array of registers.
 439  *
 440  * @adev: amdgpu_device pointer
 441  * @regs: pointer to the register array
 442  * @array_size: size of the register array
 443  *
 444  * Programs an array or registers with and and or masks.
 445  * This is a helper for setting golden registers.
 446  */
 447
 448 void soc15_program_register_sequence(struct amdgpu_device *adev,
 449                                              const struct soc15_reg_golden *regs,
 450                                              const u32 array_size)
 451 {
 452         const struct soc15_reg_golden *entry;
 453         u32 tmp, reg;
 454         int i;
 455
 456         for (i = 0; i < array_size; ++i) {
 457                 entry = &regs[i];
 458                 reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
 459
 460                 if (entry->and_mask == 0xffffffff) {
 461                         tmp = entry->or_mask;
 462                 } else {
 463                         tmp = (entry->hwip == GC_HWIP) ?
 464                                 RREG32_SOC15_IP(GC, reg) : RREG32(reg);
 465
 466                         tmp &= ~(entry->and_mask);
 467                         tmp |= (entry->or_mask & entry->and_mask);
 468                 }
 469
 470                 if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
 471                         reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
 472                         reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
 473                         reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
 474                         WREG32_RLC(reg, tmp);
 475                 else
 476                         (entry->hwip == GC_HWIP) ?
 477                                 WREG32_SOC15_IP(GC, reg, tmp) : WREG32(reg, tmp);
 478
 479         }
 480
 481 }
 482
 483 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
 484 {
 485         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 486         int ret = 0;
 487
 488         /* avoid NBIF got stuck when do RAS recovery in BACO reset */
 489         if (ras && adev->ras_enabled)
 490                 adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
 491
 492         ret = amdgpu_dpm_baco_reset(adev);
 493         if (ret)
 494                 return ret;
 495
 496         /* re-enable doorbell interrupt after BACO exit */
 497         if (ras && adev->ras_enabled)
 498                 adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
 499
 500         return 0;
 501 }
 502
 503 static enum amd_reset_method
 504 soc15_asic_reset_method(struct amdgpu_device *adev)
 505 {
 506         int baco_reset = 0;
 507         bool connected_to_cpu = false;
 508         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 509
 510         if (adev->gmc.xgmi.supported && adev->gmc.xgmi.connected_to_cpu)
 511                 connected_to_cpu = true;
 512
 513         if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
 514             amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
 515             amdgpu_reset_method == AMD_RESET_METHOD_BACO ||
 516             amdgpu_reset_method == AMD_RESET_METHOD_PCI) {
 517                 /* If connected to cpu, driver only support mode2 */
 518                 if (connected_to_cpu)
 519                         return AMD_RESET_METHOD_MODE2;
 520                 return amdgpu_reset_method;
 521         }
 522
 523         if (amdgpu_reset_method != -1)
 524                 dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
 525                                   amdgpu_reset_method);
 526
 527         switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
 528         case IP_VERSION(10, 0, 0):
 529         case IP_VERSION(10, 0, 1):
 530         case IP_VERSION(12, 0, 0):
 531         case IP_VERSION(12, 0, 1):
 532                 return AMD_RESET_METHOD_MODE2;
 533         case IP_VERSION(9, 0, 0):
 534         case IP_VERSION(11, 0, 2):
 535                 if (adev->asic_type == CHIP_VEGA20) {
 536                         if (adev->psp.sos.fw_version >= 0x80067)
 537                                 baco_reset = amdgpu_dpm_is_baco_supported(adev);
 538                         /*
 539                          * 1. PMFW version > 0x284300: all cases use baco
 540                          * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
 541                          */
 542                         if (ras && adev->ras_enabled &&
 543                             adev->pm.fw_version <= 0x283400)
 544                                 baco_reset = 0;
 545                 } else {
 546                         baco_reset = amdgpu_dpm_is_baco_supported(adev);
 547                 }
 548                 break;
 549         case IP_VERSION(13, 0, 2):
 550                  /*
 551                  * 1.connected to cpu: driver issue mode2 reset
 552                  * 2.discret gpu: driver issue mode1 reset
 553                  */
 554                 if (connected_to_cpu)
 555                         return AMD_RESET_METHOD_MODE2;
 556                 break;
 557         case IP_VERSION(13, 0, 6):
 558         case IP_VERSION(13, 0, 14):
 559                 /* Use gpu_recovery param to target a reset method.
 560                  * Enable triggering of GPU reset only if specified
 561                  * by module parameter.
 562                  */
 563                 if (amdgpu_gpu_recovery == 4 || amdgpu_gpu_recovery == 5)
 564                         return AMD_RESET_METHOD_MODE2;
 565                 else if (!(adev->flags & AMD_IS_APU))
 566                         return AMD_RESET_METHOD_MODE1;
 567                 else
 568                         return AMD_RESET_METHOD_MODE2;
 569         default:
 570                 break;
 571         }
 572
 573         if (baco_reset)
 574                 return AMD_RESET_METHOD_BACO;
 575         else
 576                 return AMD_RESET_METHOD_MODE1;
 577 }
 578
 579 static bool soc15_need_reset_on_resume(struct amdgpu_device *adev)
 580 {
 581         /* Will reset for the following suspend abort cases.
 582          * 1) Only reset on APU side, dGPU hasn't checked yet.
 583          * 2) S3 suspend aborted in the normal S3 suspend or
 584          *    performing pm core test.
 585          */
 586         if (adev->flags & AMD_IS_APU && adev->in_s3 &&
 587                         !pm_resume_via_firmware())
 588                 return true;
 589         else
 590                 return false;
 591 }
 592
 593 static int soc15_asic_reset(struct amdgpu_device *adev)
 594 {
 595         /* original raven doesn't have full asic reset */
 596         /* On the latest Raven, the GPU reset can be performed
 597          * successfully. So now, temporarily enable it for the
 598          * S3 suspend abort case.
 599          */
 600
 601         if ((adev->apu_flags & AMD_APU_IS_PICASSO ||
 602                         !(adev->apu_flags & AMD_APU_IS_RAVEN)) &&
 603                         soc15_need_reset_on_resume(adev))
 604                 goto asic_reset;
 605
 606         if ((adev->apu_flags & AMD_APU_IS_RAVEN) ||
 607                         (adev->apu_flags & AMD_APU_IS_RAVEN2))
 608                 return 0;
 609
 610 asic_reset:
 611         switch (soc15_asic_reset_method(adev)) {
 612         case AMD_RESET_METHOD_PCI:
 613                 dev_info(adev->dev, "PCI reset\n");
 614                 return amdgpu_device_pci_reset(adev);
 615         case AMD_RESET_METHOD_BACO:
 616                 dev_info(adev->dev, "BACO reset\n");
 617                 return soc15_asic_baco_reset(adev);
 618         case AMD_RESET_METHOD_MODE2:
 619                 dev_info(adev->dev, "MODE2 reset\n");
 620                 return amdgpu_dpm_mode2_reset(adev);
 621         default:
 622                 dev_info(adev->dev, "MODE1 reset\n");
 623                 return amdgpu_device_mode1_reset(adev);
 624         }
 625 }
 626
 627 static int soc15_supports_baco(struct amdgpu_device *adev)
 628 {
 629         switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
 630         case IP_VERSION(9, 0, 0):
 631         case IP_VERSION(11, 0, 2):
 632                 if (adev->asic_type == CHIP_VEGA20) {
 633                         if (adev->psp.sos.fw_version >= 0x80067)
 634                                 return amdgpu_dpm_is_baco_supported(adev);
 635                         return 0;
 636                 } else {
 637                         return amdgpu_dpm_is_baco_supported(adev);
 638                 }
 639                 break;
 640         default:
 641                 return 0;
 642         }
 643 }
 644
 645 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
 646                         u32 cntl_reg, u32 status_reg)
 647 {
 648         return 0;
 649 }*/
 650
 651 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 652 {
 653         /*int r;
 654
 655         r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
 656         if (r)
 657                 return r;
 658
 659         r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
 660         */
 661         return 0;
 662 }
 663
 664 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 665 {
 666         /* todo */
 667
 668         return 0;
 669 }
 670
 671 static void soc15_program_aspm(struct amdgpu_device *adev)
 672 {
 673         if (!amdgpu_device_should_use_aspm(adev))
 674                 return;
 675
 676         if (adev->nbio.funcs->program_aspm)
 677                 adev->nbio.funcs->program_aspm(adev);
 678 }
 679
 680 const struct amdgpu_ip_block_version vega10_common_ip_block =
 681 {
 682         .type = AMD_IP_BLOCK_TYPE_COMMON,
 683         .major = 2,
 684         .minor = 0,
 685         .rev = 0,
 686         .funcs = &soc15_common_ip_funcs,
 687 };
 688
 689 static void soc15_reg_base_init(struct amdgpu_device *adev)
 690 {
 691         /* Set IP register base before any HW register access */
 692         switch (adev->asic_type) {
 693         case CHIP_VEGA10:
 694         case CHIP_VEGA12:
 695         case CHIP_RAVEN:
 696         case CHIP_RENOIR:
 697                 vega10_reg_base_init(adev);
 698                 break;
 699         case CHIP_VEGA20:
 700                 vega20_reg_base_init(adev);
 701                 break;
 702         case CHIP_ARCTURUS:
 703                 arct_reg_base_init(adev);
 704                 break;
 705         case CHIP_ALDEBARAN:
 706                 aldebaran_reg_base_init(adev);
 707                 break;
 708         default:
 709                 DRM_ERROR("Unsupported asic type: %d!\n", adev->asic_type);
 710                 break;
 711         }
 712 }
 713
 714 void soc15_set_virt_ops(struct amdgpu_device *adev)
 715 {
 716         adev->virt.ops = &xgpu_ai_virt_ops;
 717
 718         /* init soc15 reg base early enough so we can
 719          * request request full access for sriov before
 720          * set_ip_blocks. */
 721         soc15_reg_base_init(adev);
 722 }
 723
 724 static bool soc15_need_full_reset(struct amdgpu_device *adev)
 725 {
 726         /* change this when we implement soft reset */
 727         return true;
 728 }
 729
 730 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
 731                                  uint64_t *count1)
 732 {
 733         uint32_t perfctr = 0;
 734         uint64_t cnt0_of, cnt1_of;
 735         int tmp;
 736
 737         /* This reports 0 on APUs, so return to avoid writing/reading registers
 738          * that may or may not be different from their GPU counterparts
 739          */
 740         if (adev->flags & AMD_IS_APU)
 741                 return;
 742
 743         /* Set the 2 events that we wish to watch, defined above */
 744         /* Reg 40 is # received msgs */
 745         /* Reg 104 is # of posted requests sent */
 746         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
 747         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
 748
 749         /* Write to enable desired perf counters */
 750         WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
 751         /* Zero out and enable the perf counters
 752          * Write 0x5:
 753          * Bit 0 = Start all counters(1)
 754          * Bit 2 = Global counter reset enable(1)
 755          */
 756         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
 757
 758         msleep(1000);
 759
 760         /* Load the shadow and disable the perf counters
 761          * Write 0x2:
 762          * Bit 0 = Stop counters(0)
 763          * Bit 1 = Load the shadow counters(1)
 764          */
 765         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
 766
 767         /* Read register values to get any >32bit overflow */
 768         tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
 769         cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
 770         cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
 771
 772         /* Get the values and add the overflow */
 773         *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
 774         *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
 775 }
 776
 777 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
 778                                  uint64_t *count1)
 779 {
 780         uint32_t perfctr = 0;
 781         uint64_t cnt0_of, cnt1_of;
 782         int tmp;
 783
 784         /* This reports 0 on APUs, so return to avoid writing/reading registers
 785          * that may or may not be different from their GPU counterparts
 786          */
 787         if (adev->flags & AMD_IS_APU)
 788                 return;
 789
 790         /* Set the 2 events that we wish to watch, defined above */
 791         /* Reg 40 is # received msgs */
 792         /* Reg 108 is # of posted requests sent on VG20 */
 793         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
 794                                 EVENT0_SEL, 40);
 795         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
 796                                 EVENT1_SEL, 108);
 797
 798         /* Write to enable desired perf counters */
 799         WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
 800         /* Zero out and enable the perf counters
 801          * Write 0x5:
 802          * Bit 0 = Start all counters(1)
 803          * Bit 2 = Global counter reset enable(1)
 804          */
 805         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
 806
 807         msleep(1000);
 808
 809         /* Load the shadow and disable the perf counters
 810          * Write 0x2:
 811          * Bit 0 = Stop counters(0)
 812          * Bit 1 = Load the shadow counters(1)
 813          */
 814         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
 815
 816         /* Read register values to get any >32bit overflow */
 817         tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
 818         cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
 819         cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
 820
 821         /* Get the values and add the overflow */
 822         *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
 823         *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
 824 }
 825
 826 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
 827 {
 828         u32 sol_reg;
 829
 830         /* CP hangs in IGT reloading test on RN, reset to WA */
 831         if (adev->asic_type == CHIP_RENOIR)
 832                 return true;
 833
 834         if (amdgpu_gmc_need_reset_on_init(adev))
 835                 return true;
 836         if (amdgpu_psp_tos_reload_needed(adev))
 837                 return true;
 838         /* Just return false for soc15 GPUs.  Reset does not seem to
 839          * be necessary.
 840          */
 841         if (!amdgpu_passthrough(adev))
 842                 return false;
 843
 844         if (adev->flags & AMD_IS_APU)
 845                 return false;
 846
 847         /* Check sOS sign of life register to confirm sys driver and sOS
 848          * are already been loaded.
 849          */
 850         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 851         if (sol_reg)
 852                 return true;
 853
 854         return false;
 855 }
 856
 857 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
 858 {
 859         uint64_t nak_r, nak_g;
 860
 861         /* Get the number of NAKs received and generated */
 862         nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
 863         nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
 864
 865         /* Add the total number of NAKs, i.e the number of replays */
 866         return (nak_r + nak_g);
 867 }
 868
 869 static void soc15_pre_asic_init(struct amdgpu_device *adev)
 870 {
 871         gmc_v9_0_restore_registers(adev);
 872 }
 873
 874 static const struct amdgpu_asic_funcs soc15_asic_funcs =
 875 {
 876         .read_disabled_bios = &soc15_read_disabled_bios,
 877         .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
 878         .read_register = &soc15_read_register,
 879         .reset = &soc15_asic_reset,
 880         .reset_method = &soc15_asic_reset_method,
 881         .get_xclk = &soc15_get_xclk,
 882         .set_uvd_clocks = &soc15_set_uvd_clocks,
 883         .set_vce_clocks = &soc15_set_vce_clocks,
 884         .get_config_memsize = &soc15_get_config_memsize,
 885         .need_full_reset = &soc15_need_full_reset,
 886         .init_doorbell_index = &vega10_doorbell_index_init,
 887         .get_pcie_usage = &soc15_get_pcie_usage,
 888         .need_reset_on_init = &soc15_need_reset_on_init,
 889         .get_pcie_replay_count = &soc15_get_pcie_replay_count,
 890         .supports_baco = &soc15_supports_baco,
 891         .pre_asic_init = &soc15_pre_asic_init,
 892         .query_video_codecs = &soc15_query_video_codecs,
 893 };
 894
 895 static const struct amdgpu_asic_funcs vega20_asic_funcs =
 896 {
 897         .read_disabled_bios = &soc15_read_disabled_bios,
 898         .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
 899         .read_register = &soc15_read_register,
 900         .reset = &soc15_asic_reset,
 901         .reset_method = &soc15_asic_reset_method,
 902         .get_xclk = &soc15_get_xclk,
 903         .set_uvd_clocks = &soc15_set_uvd_clocks,
 904         .set_vce_clocks = &soc15_set_vce_clocks,
 905         .get_config_memsize = &soc15_get_config_memsize,
 906         .need_full_reset = &soc15_need_full_reset,
 907         .init_doorbell_index = &vega20_doorbell_index_init,
 908         .get_pcie_usage = &vega20_get_pcie_usage,
 909         .need_reset_on_init = &soc15_need_reset_on_init,
 910         .get_pcie_replay_count = &soc15_get_pcie_replay_count,
 911         .supports_baco = &soc15_supports_baco,
 912         .pre_asic_init = &soc15_pre_asic_init,
 913         .query_video_codecs = &soc15_query_video_codecs,
 914 };
 915
 916 static const struct amdgpu_asic_funcs aqua_vanjaram_asic_funcs =
 917 {
 918         .read_disabled_bios = &soc15_read_disabled_bios,
 919         .read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
 920         .read_register = &soc15_read_register,
 921         .reset = &soc15_asic_reset,
 922         .reset_method = &soc15_asic_reset_method,
 923         .get_xclk = &soc15_get_xclk,
 924         .set_uvd_clocks = &soc15_set_uvd_clocks,
 925         .set_vce_clocks = &soc15_set_vce_clocks,
 926         .get_config_memsize = &soc15_get_config_memsize,
 927         .need_full_reset = &soc15_need_full_reset,
 928         .init_doorbell_index = &aqua_vanjaram_doorbell_index_init,
 929         .need_reset_on_init = &soc15_need_reset_on_init,
 930         .get_pcie_replay_count = &amdgpu_nbio_get_pcie_replay_count,
 931         .supports_baco = &soc15_supports_baco,
 932         .pre_asic_init = &soc15_pre_asic_init,
 933         .query_video_codecs = &soc15_query_video_codecs,
 934         .encode_ext_smn_addressing = &aqua_vanjaram_encode_ext_smn_addressing,
 935         .get_reg_state = &aqua_vanjaram_get_reg_state,
 936 };
 937
 938 static int soc15_common_early_init(struct amdgpu_ip_block *ip_block)
 939 {
 940         struct amdgpu_device *adev = ip_block->adev;
 941
 942         adev->nbio.funcs->set_reg_remap(adev);
 943         adev->smc_rreg = NULL;
 944         adev->smc_wreg = NULL;
 945         adev->pcie_rreg = &amdgpu_device_indirect_rreg;
 946         adev->pcie_wreg = &amdgpu_device_indirect_wreg;
 947         adev->pcie_rreg_ext = &amdgpu_device_indirect_rreg_ext;
 948         adev->pcie_wreg_ext = &amdgpu_device_indirect_wreg_ext;
 949         adev->pcie_rreg64 = &amdgpu_device_indirect_rreg64;
 950         adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
 951         adev->pcie_rreg64_ext = &amdgpu_device_indirect_rreg64_ext;
 952         adev->pcie_wreg64_ext = &amdgpu_device_indirect_wreg64_ext;
 953         adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
 954         adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
 955         adev->didt_rreg = &soc15_didt_rreg;
 956         adev->didt_wreg = &soc15_didt_wreg;
 957         adev->gc_cac_rreg = &soc15_gc_cac_rreg;
 958         adev->gc_cac_wreg = &soc15_gc_cac_wreg;
 959         adev->se_cac_rreg = &soc15_se_cac_rreg;
 960         adev->se_cac_wreg = &soc15_se_cac_wreg;
 961
 962         adev->rev_id = amdgpu_device_get_rev_id(adev);
 963         adev->external_rev_id = 0xFF;
 964         /* TODO: split the GC and PG flags based on the relevant IP version for which
 965          * they are relevant.
 966          */
 967         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 968         case IP_VERSION(9, 0, 1):
 969                 adev->asic_funcs = &soc15_asic_funcs;
 970                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 971                         AMD_CG_SUPPORT_GFX_MGLS |
 972                         AMD_CG_SUPPORT_GFX_RLC_LS |
 973                         AMD_CG_SUPPORT_GFX_CP_LS |
 974                         AMD_CG_SUPPORT_GFX_3D_CGCG |
 975                         AMD_CG_SUPPORT_GFX_3D_CGLS |
 976                         AMD_CG_SUPPORT_GFX_CGCG |
 977                         AMD_CG_SUPPORT_GFX_CGLS |
 978                         AMD_CG_SUPPORT_BIF_MGCG |
 979                         AMD_CG_SUPPORT_BIF_LS |
 980                         AMD_CG_SUPPORT_HDP_LS |
 981                         AMD_CG_SUPPORT_DRM_MGCG |
 982                         AMD_CG_SUPPORT_DRM_LS |
 983                         AMD_CG_SUPPORT_ROM_MGCG |
 984                         AMD_CG_SUPPORT_DF_MGCG |
 985                         AMD_CG_SUPPORT_SDMA_MGCG |
 986                         AMD_CG_SUPPORT_SDMA_LS |
 987                         AMD_CG_SUPPORT_MC_MGCG |
 988                         AMD_CG_SUPPORT_MC_LS;
 989                 adev->pg_flags = 0;
 990                 adev->external_rev_id = 0x1;
 991                 break;
 992         case IP_VERSION(9, 2, 1):
 993                 adev->asic_funcs = &soc15_asic_funcs;
 994                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 995                         AMD_CG_SUPPORT_GFX_MGLS |
 996                         AMD_CG_SUPPORT_GFX_CGCG |
 997                         AMD_CG_SUPPORT_GFX_CGLS |
 998                         AMD_CG_SUPPORT_GFX_3D_CGCG |
 999                         AMD_CG_SUPPORT_GFX_3D_CGLS |
1000                         AMD_CG_SUPPORT_GFX_CP_LS |
1001                         AMD_CG_SUPPORT_MC_LS |
1002                         AMD_CG_SUPPORT_MC_MGCG |
1003                         AMD_CG_SUPPORT_SDMA_MGCG |
1004                         AMD_CG_SUPPORT_SDMA_LS |
1005                         AMD_CG_SUPPORT_BIF_MGCG |
1006                         AMD_CG_SUPPORT_BIF_LS |
1007                         AMD_CG_SUPPORT_HDP_MGCG |
1008                         AMD_CG_SUPPORT_HDP_LS |
1009                         AMD_CG_SUPPORT_ROM_MGCG |
1010                         AMD_CG_SUPPORT_VCE_MGCG |
1011                         AMD_CG_SUPPORT_UVD_MGCG;
1012                 adev->pg_flags = 0;
1013                 adev->external_rev_id = adev->rev_id + 0x14;
1014                 break;
1015         case IP_VERSION(9, 4, 0):
1016                 adev->asic_funcs = &vega20_asic_funcs;
1017                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1018                         AMD_CG_SUPPORT_GFX_MGLS |
1019                         AMD_CG_SUPPORT_GFX_CGCG |
1020                         AMD_CG_SUPPORT_GFX_CGLS |
1021                         AMD_CG_SUPPORT_GFX_3D_CGCG |
1022                         AMD_CG_SUPPORT_GFX_3D_CGLS |
1023                         AMD_CG_SUPPORT_GFX_CP_LS |
1024                         AMD_CG_SUPPORT_MC_LS |
1025                         AMD_CG_SUPPORT_MC_MGCG |
1026                         AMD_CG_SUPPORT_SDMA_MGCG |
1027                         AMD_CG_SUPPORT_SDMA_LS |
1028                         AMD_CG_SUPPORT_BIF_MGCG |
1029                         AMD_CG_SUPPORT_BIF_LS |
1030                         AMD_CG_SUPPORT_HDP_MGCG |
1031                         AMD_CG_SUPPORT_HDP_LS |
1032                         AMD_CG_SUPPORT_ROM_MGCG |
1033                         AMD_CG_SUPPORT_VCE_MGCG |
1034                         AMD_CG_SUPPORT_UVD_MGCG;
1035                 adev->pg_flags = 0;
1036                 adev->external_rev_id = adev->rev_id + 0x28;
1037                 break;
1038         case IP_VERSION(9, 1, 0):
1039         case IP_VERSION(9, 2, 2):
1040                 adev->asic_funcs = &soc15_asic_funcs;
1041
1042                 if (adev->rev_id >= 0x8)
1043                         adev->apu_flags |= AMD_APU_IS_RAVEN2;
1044
1045                 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
1046                         adev->external_rev_id = adev->rev_id + 0x79;
1047                 else if (adev->apu_flags & AMD_APU_IS_PICASSO)
1048                         adev->external_rev_id = adev->rev_id + 0x41;
1049                 else if (adev->rev_id == 1)
1050                         adev->external_rev_id = adev->rev_id + 0x20;
1051                 else
1052                         adev->external_rev_id = adev->rev_id + 0x01;
1053
1054                 if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
1055                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1056                                 AMD_CG_SUPPORT_GFX_MGLS |
1057                                 AMD_CG_SUPPORT_GFX_CP_LS |
1058                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
1059                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1060                                 AMD_CG_SUPPORT_GFX_CGCG |
1061                                 AMD_CG_SUPPORT_GFX_CGLS |
1062                                 AMD_CG_SUPPORT_BIF_LS |
1063                                 AMD_CG_SUPPORT_HDP_LS |
1064                                 AMD_CG_SUPPORT_MC_MGCG |
1065                                 AMD_CG_SUPPORT_MC_LS |
1066                                 AMD_CG_SUPPORT_SDMA_MGCG |
1067                                 AMD_CG_SUPPORT_SDMA_LS |
1068                                 AMD_CG_SUPPORT_VCN_MGCG;
1069
1070                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1071                 } else if (adev->apu_flags & AMD_APU_IS_PICASSO) {
1072                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1073                                 AMD_CG_SUPPORT_GFX_MGLS |
1074                                 AMD_CG_SUPPORT_GFX_CP_LS |
1075                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1076                                 AMD_CG_SUPPORT_GFX_CGCG |
1077                                 AMD_CG_SUPPORT_GFX_CGLS |
1078                                 AMD_CG_SUPPORT_BIF_LS |
1079                                 AMD_CG_SUPPORT_HDP_LS |
1080                                 AMD_CG_SUPPORT_MC_MGCG |
1081                                 AMD_CG_SUPPORT_MC_LS |
1082                                 AMD_CG_SUPPORT_SDMA_MGCG |
1083                                 AMD_CG_SUPPORT_SDMA_LS |
1084                                 AMD_CG_SUPPORT_VCN_MGCG;
1085
1086                         /*
1087                          * MMHUB PG needs to be disabled for Picasso for
1088                          * stability reasons.
1089                          */
1090                         adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1091                                 AMD_PG_SUPPORT_VCN;
1092                 } else {
1093                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1094                                 AMD_CG_SUPPORT_GFX_MGLS |
1095                                 AMD_CG_SUPPORT_GFX_RLC_LS |
1096                                 AMD_CG_SUPPORT_GFX_CP_LS |
1097                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1098                                 AMD_CG_SUPPORT_GFX_CGCG |
1099                                 AMD_CG_SUPPORT_GFX_CGLS |
1100                                 AMD_CG_SUPPORT_BIF_MGCG |
1101                                 AMD_CG_SUPPORT_BIF_LS |
1102                                 AMD_CG_SUPPORT_HDP_MGCG |
1103                                 AMD_CG_SUPPORT_HDP_LS |
1104                                 AMD_CG_SUPPORT_DRM_MGCG |
1105                                 AMD_CG_SUPPORT_DRM_LS |
1106                                 AMD_CG_SUPPORT_MC_MGCG |
1107                                 AMD_CG_SUPPORT_MC_LS |
1108                                 AMD_CG_SUPPORT_SDMA_MGCG |
1109                                 AMD_CG_SUPPORT_SDMA_LS |
1110                                 AMD_CG_SUPPORT_VCN_MGCG;
1111
1112                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1113                 }
1114                 break;
1115         case IP_VERSION(9, 4, 1):
1116                 adev->asic_funcs = &vega20_asic_funcs;
1117                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1118                         AMD_CG_SUPPORT_GFX_MGLS |
1119                         AMD_CG_SUPPORT_GFX_CGCG |
1120                         AMD_CG_SUPPORT_GFX_CGLS |
1121                         AMD_CG_SUPPORT_GFX_CP_LS |
1122                         AMD_CG_SUPPORT_HDP_MGCG |
1123                         AMD_CG_SUPPORT_HDP_LS |
1124                         AMD_CG_SUPPORT_SDMA_MGCG |
1125                         AMD_CG_SUPPORT_SDMA_LS |
1126                         AMD_CG_SUPPORT_MC_MGCG |
1127                         AMD_CG_SUPPORT_MC_LS |
1128                         AMD_CG_SUPPORT_IH_CG |
1129                         AMD_CG_SUPPORT_VCN_MGCG |
1130                         AMD_CG_SUPPORT_JPEG_MGCG;
1131                 adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
1132                 adev->external_rev_id = adev->rev_id + 0x32;
1133                 break;
1134         case IP_VERSION(9, 3, 0):
1135                 adev->asic_funcs = &soc15_asic_funcs;
1136
1137                 if (adev->apu_flags & AMD_APU_IS_RENOIR)
1138                         adev->external_rev_id = adev->rev_id + 0x91;
1139                 else
1140                         adev->external_rev_id = adev->rev_id + 0xa1;
1141                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1142                                  AMD_CG_SUPPORT_GFX_MGLS |
1143                                  AMD_CG_SUPPORT_GFX_3D_CGCG |
1144                                  AMD_CG_SUPPORT_GFX_3D_CGLS |
1145                                  AMD_CG_SUPPORT_GFX_CGCG |
1146                                  AMD_CG_SUPPORT_GFX_CGLS |
1147                                  AMD_CG_SUPPORT_GFX_CP_LS |
1148                                  AMD_CG_SUPPORT_MC_MGCG |
1149                                  AMD_CG_SUPPORT_MC_LS |
1150                                  AMD_CG_SUPPORT_SDMA_MGCG |
1151                                  AMD_CG_SUPPORT_SDMA_LS |
1152                                  AMD_CG_SUPPORT_BIF_LS |
1153                                  AMD_CG_SUPPORT_HDP_LS |
1154                                  AMD_CG_SUPPORT_VCN_MGCG |
1155                                  AMD_CG_SUPPORT_JPEG_MGCG |
1156                                  AMD_CG_SUPPORT_IH_CG |
1157                                  AMD_CG_SUPPORT_ATHUB_LS |
1158                                  AMD_CG_SUPPORT_ATHUB_MGCG |
1159                                  AMD_CG_SUPPORT_DF_MGCG;
1160                 adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1161                                  AMD_PG_SUPPORT_VCN |
1162                                  AMD_PG_SUPPORT_JPEG |
1163                                  AMD_PG_SUPPORT_VCN_DPG;
1164                 break;
1165         case IP_VERSION(9, 4, 2):
1166                 adev->asic_funcs = &vega20_asic_funcs;
1167                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1168                         AMD_CG_SUPPORT_GFX_MGLS |
1169                         AMD_CG_SUPPORT_GFX_CP_LS |
1170                         AMD_CG_SUPPORT_HDP_LS |
1171                         AMD_CG_SUPPORT_SDMA_MGCG |
1172                         AMD_CG_SUPPORT_SDMA_LS |
1173                         AMD_CG_SUPPORT_IH_CG |
1174                         AMD_CG_SUPPORT_VCN_MGCG | AMD_CG_SUPPORT_JPEG_MGCG;
1175                 adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
1176                 adev->external_rev_id = adev->rev_id + 0x3c;
1177                 break;
1178         case IP_VERSION(9, 4, 3):
1179         case IP_VERSION(9, 4, 4):
1180                 adev->asic_funcs = &aqua_vanjaram_asic_funcs;
1181                 adev->cg_flags =
1182                         AMD_CG_SUPPORT_GFX_MGCG | AMD_CG_SUPPORT_GFX_CGCG |
1183                         AMD_CG_SUPPORT_GFX_CGLS | AMD_CG_SUPPORT_SDMA_MGCG |
1184                         AMD_CG_SUPPORT_GFX_FGCG | AMD_CG_SUPPORT_REPEATER_FGCG |
1185                         AMD_CG_SUPPORT_VCN_MGCG | AMD_CG_SUPPORT_JPEG_MGCG |
1186                         AMD_CG_SUPPORT_IH_CG;
1187                 adev->pg_flags =
1188                         AMD_PG_SUPPORT_VCN |
1189                         AMD_PG_SUPPORT_VCN_DPG |
1190                         AMD_PG_SUPPORT_JPEG;
1191                 /*TODO: need a new external_rev_id for GC 9.4.4? */
1192                 adev->external_rev_id = adev->rev_id + 0x46;
1193                 break;
1194         default:
1195                 /* FIXME: not supported yet */
1196                 return -EINVAL;
1197         }
1198
1199         if (amdgpu_sriov_vf(adev)) {
1200                 amdgpu_virt_init_setting(adev);
1201                 xgpu_ai_mailbox_set_irq_funcs(adev);
1202         }
1203
1204         return 0;
1205 }
1206
1207 static int soc15_common_late_init(struct amdgpu_ip_block *ip_block)
1208 {
1209         struct amdgpu_device *adev = ip_block->adev;
1210
1211         if (amdgpu_sriov_vf(adev))
1212                 xgpu_ai_mailbox_get_irq(adev);
1213
1214         /* Enable selfring doorbell aperture late because doorbell BAR
1215          * aperture will change if resize BAR successfully in gmc sw_init.
1216          */
1217         adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, true);
1218
1219         return 0;
1220 }
1221
1222 static int soc15_common_sw_init(struct amdgpu_ip_block *ip_block)
1223 {
1224         struct amdgpu_device *adev = ip_block->adev;
1225
1226         if (amdgpu_sriov_vf(adev))
1227                 xgpu_ai_mailbox_add_irq_id(adev);
1228
1229         if (adev->df.funcs &&
1230             adev->df.funcs->sw_init)
1231                 adev->df.funcs->sw_init(adev);
1232
1233         return 0;
1234 }
1235
1236 static int soc15_common_sw_fini(struct amdgpu_ip_block *ip_block)
1237 {
1238         struct amdgpu_device *adev = ip_block->adev;
1239
1240         if (adev->df.funcs &&
1241             adev->df.funcs->sw_fini)
1242                 adev->df.funcs->sw_fini(adev);
1243         return 0;
1244 }
1245
1246 static void soc15_sdma_doorbell_range_init(struct amdgpu_device *adev)
1247 {
1248         int i;
1249
1250         /* sdma doorbell range is programed by hypervisor */
1251         if (!amdgpu_sriov_vf(adev)) {
1252                 for (i = 0; i < adev->sdma.num_instances; i++) {
1253                         adev->nbio.funcs->sdma_doorbell_range(adev, i,
1254                                 true, adev->doorbell_index.sdma_engine[i] << 1,
1255                                 adev->doorbell_index.sdma_doorbell_range);
1256                 }
1257         }
1258 }
1259
1260 static int soc15_common_hw_init(struct amdgpu_ip_block *ip_block)
1261 {
1262         struct amdgpu_device *adev = ip_block->adev;
1263
1264         /* enable aspm */
1265         soc15_program_aspm(adev);
1266         /* setup nbio registers */
1267         adev->nbio.funcs->init_registers(adev);
1268         /* remap HDP registers to a hole in mmio space,
1269          * for the purpose of expose those registers
1270          * to process space
1271          */
1272         if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
1273                 adev->nbio.funcs->remap_hdp_registers(adev);
1274
1275         /* enable the doorbell aperture */
1276         adev->nbio.funcs->enable_doorbell_aperture(adev, true);
1277
1278         /* HW doorbell routing policy: doorbell writing not
1279          * in SDMA/IH/MM/ACV range will be routed to CP. So
1280          * we need to init SDMA doorbell range prior
1281          * to CP ip block init and ring test.  IH already
1282          * happens before CP.
1283          */
1284         soc15_sdma_doorbell_range_init(adev);
1285
1286         return 0;
1287 }
1288
1289 static int soc15_common_hw_fini(struct amdgpu_ip_block *ip_block)
1290 {
1291         struct amdgpu_device *adev = ip_block->adev;
1292
1293         /* Disable the doorbell aperture and selfring doorbell aperture
1294          * separately in hw_fini because soc15_enable_doorbell_aperture
1295          * has been removed and there is no need to delay disabling
1296          * selfring doorbell.
1297          */
1298         adev->nbio.funcs->enable_doorbell_aperture(adev, false);
1299         adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, false);
1300
1301         if (amdgpu_sriov_vf(adev))
1302                 xgpu_ai_mailbox_put_irq(adev);
1303
1304         /*
1305          * For minimal init, late_init is not called, hence RAS irqs are not
1306          * enabled.
1307          */
1308         if ((!amdgpu_sriov_vf(adev)) &&
1309             (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) &&
1310             adev->nbio.ras_if &&
1311             amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1312                 if (adev->nbio.ras &&
1313                     adev->nbio.ras->init_ras_controller_interrupt)
1314                         amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1315                 if (adev->nbio.ras &&
1316                     adev->nbio.ras->init_ras_err_event_athub_interrupt)
1317                         amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1318         }
1319
1320         return 0;
1321 }
1322
1323 static int soc15_common_suspend(struct amdgpu_ip_block *ip_block)
1324 {
1325         return soc15_common_hw_fini(ip_block);
1326 }
1327
1328 static int soc15_common_resume(struct amdgpu_ip_block *ip_block)
1329 {
1330         struct amdgpu_device *adev = ip_block->adev;
1331
1332         if (soc15_need_reset_on_resume(adev)) {
1333                 dev_info(adev->dev, "S3 suspend abort case, let's reset ASIC.\n");
1334                 soc15_asic_reset(adev);
1335         }
1336         return soc15_common_hw_init(ip_block);
1337 }
1338
1339 static bool soc15_common_is_idle(void *handle)
1340 {
1341         return true;
1342 }
1343
1344 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1345 {
1346         uint32_t def, data;
1347
1348         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1349
1350         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1351                 data &= ~(0x01000000 |
1352                           0x02000000 |
1353                           0x04000000 |
1354                           0x08000000 |
1355                           0x10000000 |
1356                           0x20000000 |
1357                           0x40000000 |
1358                           0x80000000);
1359         else
1360                 data |= (0x01000000 |
1361                          0x02000000 |
1362                          0x04000000 |
1363                          0x08000000 |
1364                          0x10000000 |
1365                          0x20000000 |
1366                          0x40000000 |
1367                          0x80000000);
1368
1369         if (def != data)
1370                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1371 }
1372
1373 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1374 {
1375         uint32_t def, data;
1376
1377         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1378
1379         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1380                 data |= 1;
1381         else
1382                 data &= ~1;
1383
1384         if (def != data)
1385                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1386 }
1387
1388 static int soc15_common_set_clockgating_state(void *handle,
1389                                             enum amd_clockgating_state state)
1390 {
1391         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1392
1393         if (amdgpu_sriov_vf(adev))
1394                 return 0;
1395
1396         switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
1397         case IP_VERSION(6, 1, 0):
1398         case IP_VERSION(6, 2, 0):
1399         case IP_VERSION(7, 4, 0):
1400                 adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1401                                 state == AMD_CG_STATE_GATE);
1402                 adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1403                                 state == AMD_CG_STATE_GATE);
1404                 adev->hdp.funcs->update_clock_gating(adev,
1405                                 state == AMD_CG_STATE_GATE);
1406                 soc15_update_drm_clock_gating(adev,
1407                                 state == AMD_CG_STATE_GATE);
1408                 soc15_update_drm_light_sleep(adev,
1409                                 state == AMD_CG_STATE_GATE);
1410                 adev->smuio.funcs->update_rom_clock_gating(adev,
1411                                 state == AMD_CG_STATE_GATE);
1412                 adev->df.funcs->update_medium_grain_clock_gating(adev,
1413                                 state == AMD_CG_STATE_GATE);
1414                 break;
1415         case IP_VERSION(7, 0, 0):
1416         case IP_VERSION(7, 0, 1):
1417         case IP_VERSION(2, 5, 0):
1418                 adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1419                                 state == AMD_CG_STATE_GATE);
1420                 adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1421                                 state == AMD_CG_STATE_GATE);
1422                 adev->hdp.funcs->update_clock_gating(adev,
1423                                 state == AMD_CG_STATE_GATE);
1424                 soc15_update_drm_clock_gating(adev,
1425                                 state == AMD_CG_STATE_GATE);
1426                 soc15_update_drm_light_sleep(adev,
1427                                 state == AMD_CG_STATE_GATE);
1428                 break;
1429         case IP_VERSION(7, 4, 1):
1430         case IP_VERSION(7, 4, 4):
1431                 adev->hdp.funcs->update_clock_gating(adev,
1432                                 state == AMD_CG_STATE_GATE);
1433                 break;
1434         default:
1435                 break;
1436         }
1437         return 0;
1438 }
1439
1440 static void soc15_common_get_clockgating_state(void *handle, u64 *flags)
1441 {
1442         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1443         int data;
1444
1445         if (amdgpu_sriov_vf(adev))
1446                 *flags = 0;
1447
1448         if (adev->nbio.funcs && adev->nbio.funcs->get_clockgating_state)
1449                 adev->nbio.funcs->get_clockgating_state(adev, flags);
1450
1451         if (adev->hdp.funcs && adev->hdp.funcs->get_clock_gating_state)
1452                 adev->hdp.funcs->get_clock_gating_state(adev, flags);
1453
1454         if ((amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 2)) &&
1455             (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6)) &&
1456             (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 14))) {
1457                 /* AMD_CG_SUPPORT_DRM_MGCG */
1458                 data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1459                 if (!(data & 0x01000000))
1460                         *flags |= AMD_CG_SUPPORT_DRM_MGCG;
1461
1462                 /* AMD_CG_SUPPORT_DRM_LS */
1463                 data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1464                 if (data & 0x1)
1465                         *flags |= AMD_CG_SUPPORT_DRM_LS;
1466         }
1467
1468         /* AMD_CG_SUPPORT_ROM_MGCG */
1469         if (adev->smuio.funcs && adev->smuio.funcs->get_clock_gating_state)
1470                 adev->smuio.funcs->get_clock_gating_state(adev, flags);
1471
1472         if (adev->df.funcs && adev->df.funcs->get_clockgating_state)
1473                 adev->df.funcs->get_clockgating_state(adev, flags);
1474 }
1475
1476 static int soc15_common_set_powergating_state(void *handle,
1477                                             enum amd_powergating_state state)
1478 {
1479         /* todo */
1480         return 0;
1481 }
1482
1483 static const struct amd_ip_funcs soc15_common_ip_funcs = {
1484         .name = "soc15_common",
1485         .early_init = soc15_common_early_init,
1486         .late_init = soc15_common_late_init,
1487         .sw_init = soc15_common_sw_init,
1488         .sw_fini = soc15_common_sw_fini,
1489         .hw_init = soc15_common_hw_init,
1490         .hw_fini = soc15_common_hw_fini,
1491         .suspend = soc15_common_suspend,
1492         .resume = soc15_common_resume,
1493         .is_idle = soc15_common_is_idle,
1494         .set_clockgating_state = soc15_common_set_clockgating_state,
1495         .set_powergating_state = soc15_common_set_powergating_state,
1496         .get_clockgating_state= soc15_common_get_clockgating_state,
1497 };