drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.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
  24 #include "smu7_hwmgr.h"
  25 #include "smu7_clockpowergating.h"
  26 #include "smu7_common.h"
  27
  28 static int smu7_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
  29 {
  30         return smum_send_msg_to_smc(hwmgr, enable ?
  31                         PPSMC_MSG_UVDDPM_Enable :
  32                         PPSMC_MSG_UVDDPM_Disable);
  33 }
  34
  35 static int smu7_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
  36 {
  37         return smum_send_msg_to_smc(hwmgr, enable ?
  38                         PPSMC_MSG_VCEDPM_Enable :
  39                         PPSMC_MSG_VCEDPM_Disable);
  40 }
  41
  42 static int smu7_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
  43 {
  44         if (!bgate)
  45                 smum_update_smc_table(hwmgr, SMU_UVD_TABLE);
  46         return smu7_enable_disable_uvd_dpm(hwmgr, !bgate);
  47 }
  48
  49 static int smu7_update_vce_dpm(struct pp_hwmgr *hwmgr, bool bgate)
  50 {
  51         if (!bgate)
  52                 smum_update_smc_table(hwmgr, SMU_VCE_TABLE);
  53         return smu7_enable_disable_vce_dpm(hwmgr, !bgate);
  54 }
  55
  56 int smu7_powerdown_uvd(struct pp_hwmgr *hwmgr)
  57 {
  58         if (phm_cf_want_uvd_power_gating(hwmgr))
  59                 return smum_send_msg_to_smc(hwmgr,
  60                                 PPSMC_MSG_UVDPowerOFF);
  61         return 0;
  62 }
  63
  64 static int smu7_powerup_uvd(struct pp_hwmgr *hwmgr)
  65 {
  66         if (phm_cf_want_uvd_power_gating(hwmgr)) {
  67                 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
  68                                   PHM_PlatformCaps_UVDDynamicPowerGating)) {
  69                         return smum_send_msg_to_smc_with_parameter(hwmgr,
  70                                         PPSMC_MSG_UVDPowerON, 1);
  71                 } else {
  72                         return smum_send_msg_to_smc_with_parameter(hwmgr,
  73                                         PPSMC_MSG_UVDPowerON, 0);
  74                 }
  75         }
  76
  77         return 0;
  78 }
  79
  80 static int smu7_powerdown_vce(struct pp_hwmgr *hwmgr)
  81 {
  82         if (phm_cf_want_vce_power_gating(hwmgr))
  83                 return smum_send_msg_to_smc(hwmgr,
  84                                 PPSMC_MSG_VCEPowerOFF);
  85         return 0;
  86 }
  87
  88 static int smu7_powerup_vce(struct pp_hwmgr *hwmgr)
  89 {
  90         if (phm_cf_want_vce_power_gating(hwmgr))
  91                 return smum_send_msg_to_smc(hwmgr,
  92                                 PPSMC_MSG_VCEPowerON);
  93         return 0;
  94 }
  95
  96 int smu7_disable_clock_power_gating(struct pp_hwmgr *hwmgr)
  97 {
  98         struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
  99
 100         data->uvd_power_gated = false;
 101         data->vce_power_gated = false;
 102
 103         smu7_powerup_uvd(hwmgr);
 104         smu7_powerup_vce(hwmgr);
 105
 106         return 0;
 107 }
 108
 109 void smu7_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
 110 {
 111         struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 112
 113         data->uvd_power_gated = bgate;
 114
 115         if (bgate) {
 116                 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
 117                                                 AMD_IP_BLOCK_TYPE_UVD,
 118                                                 AMD_PG_STATE_GATE);
 119                 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
 120                                 AMD_IP_BLOCK_TYPE_UVD,
 121                                 AMD_CG_STATE_GATE);
 122                 smu7_update_uvd_dpm(hwmgr, true);
 123                 smu7_powerdown_uvd(hwmgr);
 124         } else {
 125                 smu7_powerup_uvd(hwmgr);
 126                 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
 127                                 AMD_IP_BLOCK_TYPE_UVD,
 128                                 AMD_CG_STATE_UNGATE);
 129                 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
 130                                                 AMD_IP_BLOCK_TYPE_UVD,
 131                                                 AMD_PG_STATE_UNGATE);
 132                 smu7_update_uvd_dpm(hwmgr, false);
 133         }
 134
 135 }
 136
 137 void smu7_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
 138 {
 139         struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 140
 141         data->vce_power_gated = bgate;
 142
 143         if (bgate) {
 144                 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
 145                                                 AMD_IP_BLOCK_TYPE_VCE,
 146                                                 AMD_PG_STATE_GATE);
 147                 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
 148                                 AMD_IP_BLOCK_TYPE_VCE,
 149                                 AMD_CG_STATE_GATE);
 150                 smu7_update_vce_dpm(hwmgr, true);
 151                 smu7_powerdown_vce(hwmgr);
 152         } else {
 153                 smu7_powerup_vce(hwmgr);
 154                 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
 155                                 AMD_IP_BLOCK_TYPE_VCE,
 156                                 AMD_CG_STATE_UNGATE);
 157                 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
 158                                                 AMD_IP_BLOCK_TYPE_VCE,
 159                                                 AMD_PG_STATE_UNGATE);
 160                 smu7_update_vce_dpm(hwmgr, false);
 161         }
 162 }
 163
 164 int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
 165                                         const uint32_t *msg_id)
 166 {
 167         PPSMC_Msg msg;
 168         uint32_t value;
 169
 170         if (!(hwmgr->feature_mask & PP_ENABLE_GFX_CG_THRU_SMU))
 171                 return 0;
 172
 173         switch ((*msg_id & PP_GROUP_MASK) >> PP_GROUP_SHIFT) {
 174         case PP_GROUP_GFX:
 175                 switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) {
 176                 case PP_BLOCK_GFX_CG:
 177                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 178                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 179                                                 PPSMC_MSG_EnableClockGatingFeature :
 180                                                 PPSMC_MSG_DisableClockGatingFeature;
 181                                 value = CG_GFX_CGCG_MASK;
 182
 183                                 if (smum_send_msg_to_smc_with_parameter(
 184                                                 hwmgr, msg, value))
 185                                         return -EINVAL;
 186                         }
 187                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 188                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS
 189                                         ? PPSMC_MSG_EnableClockGatingFeature
 190                                         : PPSMC_MSG_DisableClockGatingFeature;
 191                                 value = CG_GFX_CGLS_MASK;
 192
 193                                 if (smum_send_msg_to_smc_with_parameter(
 194                                                 hwmgr, msg, value))
 195                                         return -EINVAL;
 196                         }
 197                         break;
 198
 199                 case PP_BLOCK_GFX_3D:
 200                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 201                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 202                                                 PPSMC_MSG_EnableClockGatingFeature :
 203                                                 PPSMC_MSG_DisableClockGatingFeature;
 204                                 value = CG_GFX_3DCG_MASK;
 205
 206                                 if (smum_send_msg_to_smc_with_parameter(
 207                                                 hwmgr, msg, value))
 208                                         return -EINVAL;
 209                         }
 210
 211                         if  (PP_STATE_SUPPORT_LS & *msg_id) {
 212                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 213                                                 PPSMC_MSG_EnableClockGatingFeature :
 214                                                 PPSMC_MSG_DisableClockGatingFeature;
 215                                 value = CG_GFX_3DLS_MASK;
 216
 217                                 if (smum_send_msg_to_smc_with_parameter(
 218                                                 hwmgr, msg, value))
 219                                         return -EINVAL;
 220                         }
 221                         break;
 222
 223                 case PP_BLOCK_GFX_RLC:
 224                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 225                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 226                                                 PPSMC_MSG_EnableClockGatingFeature :
 227                                                 PPSMC_MSG_DisableClockGatingFeature;
 228                                 value = CG_GFX_RLC_LS_MASK;
 229
 230                                 if (smum_send_msg_to_smc_with_parameter(
 231                                                 hwmgr, msg, value))
 232                                         return -EINVAL;
 233                         }
 234                         break;
 235
 236                 case PP_BLOCK_GFX_CP:
 237                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 238                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 239                                                 PPSMC_MSG_EnableClockGatingFeature :
 240                                                 PPSMC_MSG_DisableClockGatingFeature;
 241                                 value = CG_GFX_CP_LS_MASK;
 242
 243                                 if (smum_send_msg_to_smc_with_parameter(
 244                                                 hwmgr, msg, value))
 245                                         return -EINVAL;
 246                         }
 247                         break;
 248
 249                 case PP_BLOCK_GFX_MG:
 250                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 251                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 252                                                 PPSMC_MSG_EnableClockGatingFeature :
 253                                                 PPSMC_MSG_DisableClockGatingFeature;
 254                                 value = (CG_CPF_MGCG_MASK | CG_RLC_MGCG_MASK |
 255                                                 CG_GFX_OTHERS_MGCG_MASK);
 256
 257                                 if (smum_send_msg_to_smc_with_parameter(
 258                                                 hwmgr, msg, value))
 259                                         return -EINVAL;
 260                         }
 261                         break;
 262
 263                 default:
 264                         return -EINVAL;
 265                 }
 266                 break;
 267
 268         case PP_GROUP_SYS:
 269                 switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) {
 270                 case PP_BLOCK_SYS_BIF:
 271                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 272                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ?
 273                                                 PPSMC_MSG_EnableClockGatingFeature :
 274                                                 PPSMC_MSG_DisableClockGatingFeature;
 275                                 value = CG_SYS_BIF_MGCG_MASK;
 276
 277                                 if (smum_send_msg_to_smc_with_parameter(
 278                                                 hwmgr, msg, value))
 279                                         return -EINVAL;
 280                         }
 281                         if  (PP_STATE_SUPPORT_LS & *msg_id) {
 282                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 283                                                 PPSMC_MSG_EnableClockGatingFeature :
 284                                                 PPSMC_MSG_DisableClockGatingFeature;
 285                                 value = CG_SYS_BIF_MGLS_MASK;
 286
 287                                 if (smum_send_msg_to_smc_with_parameter(
 288                                                 hwmgr, msg, value))
 289                                         return -EINVAL;
 290                         }
 291                         break;
 292
 293                 case PP_BLOCK_SYS_MC:
 294                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 295                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 296                                                 PPSMC_MSG_EnableClockGatingFeature :
 297                                                 PPSMC_MSG_DisableClockGatingFeature;
 298                                 value = CG_SYS_MC_MGCG_MASK;
 299
 300                                 if (smum_send_msg_to_smc_with_parameter(
 301                                                 hwmgr, msg, value))
 302                                         return -EINVAL;
 303                         }
 304
 305                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 306                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 307                                                 PPSMC_MSG_EnableClockGatingFeature :
 308                                                 PPSMC_MSG_DisableClockGatingFeature;
 309                                 value = CG_SYS_MC_MGLS_MASK;
 310
 311                                 if (smum_send_msg_to_smc_with_parameter(
 312                                                 hwmgr, msg, value))
 313                                         return -EINVAL;
 314                         }
 315                         break;
 316
 317                 case PP_BLOCK_SYS_DRM:
 318                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 319                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ?
 320                                                 PPSMC_MSG_EnableClockGatingFeature :
 321                                                 PPSMC_MSG_DisableClockGatingFeature;
 322                                 value = CG_SYS_DRM_MGCG_MASK;
 323
 324                                 if (smum_send_msg_to_smc_with_parameter(
 325                                                 hwmgr, msg, value))
 326                                         return -EINVAL;
 327                         }
 328                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 329                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 330                                                 PPSMC_MSG_EnableClockGatingFeature :
 331                                                 PPSMC_MSG_DisableClockGatingFeature;
 332                                 value = CG_SYS_DRM_MGLS_MASK;
 333
 334                                 if (smum_send_msg_to_smc_with_parameter(
 335                                                 hwmgr, msg, value))
 336                                         return -EINVAL;
 337                         }
 338                         break;
 339
 340                 case PP_BLOCK_SYS_HDP:
 341                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 342                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 343                                                 PPSMC_MSG_EnableClockGatingFeature :
 344                                                 PPSMC_MSG_DisableClockGatingFeature;
 345                                 value = CG_SYS_HDP_MGCG_MASK;
 346
 347                                 if (smum_send_msg_to_smc_with_parameter(
 348                                                 hwmgr, msg, value))
 349                                         return -EINVAL;
 350                         }
 351
 352                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 353                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 354                                                 PPSMC_MSG_EnableClockGatingFeature :
 355                                                 PPSMC_MSG_DisableClockGatingFeature;
 356                                 value = CG_SYS_HDP_MGLS_MASK;
 357
 358                                 if (smum_send_msg_to_smc_with_parameter(
 359                                                 hwmgr, msg, value))
 360                                         return -EINVAL;
 361                         }
 362                         break;
 363
 364                 case PP_BLOCK_SYS_SDMA:
 365                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 366                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 367                                                 PPSMC_MSG_EnableClockGatingFeature :
 368                                                 PPSMC_MSG_DisableClockGatingFeature;
 369                                 value = CG_SYS_SDMA_MGCG_MASK;
 370
 371                                 if (smum_send_msg_to_smc_with_parameter(
 372                                                 hwmgr, msg, value))
 373                                         return -EINVAL;
 374                         }
 375
 376                         if (PP_STATE_SUPPORT_LS & *msg_id) {
 377                                 msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
 378                                                 PPSMC_MSG_EnableClockGatingFeature :
 379                                                 PPSMC_MSG_DisableClockGatingFeature;
 380                                 value = CG_SYS_SDMA_MGLS_MASK;
 381
 382                                 if (smum_send_msg_to_smc_with_parameter(
 383                                                 hwmgr, msg, value))
 384                                         return -EINVAL;
 385                         }
 386                         break;
 387
 388                 case PP_BLOCK_SYS_ROM:
 389                         if (PP_STATE_SUPPORT_CG & *msg_id) {
 390                                 msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
 391                                                 PPSMC_MSG_EnableClockGatingFeature :
 392                                                 PPSMC_MSG_DisableClockGatingFeature;
 393                                 value = CG_SYS_ROM_MASK;
 394
 395                                 if (smum_send_msg_to_smc_with_parameter(
 396                                                 hwmgr, msg, value))
 397                                         return -EINVAL;
 398                         }
 399                         break;
 400
 401                 default:
 402                         return -EINVAL;
 403
 404                 }
 405                 break;
 406
 407         default:
 408                 return -EINVAL;
 409
 410         }
 411
 412         return 0;
 413 }
 414
 415 /* This function is for Polaris11 only for now,
 416  * Powerplay will only control the static per CU Power Gating.
 417  * Dynamic per CU Power Gating will be done in gfx.
 418  */
 419 int smu7_powergate_gfx(struct pp_hwmgr *hwmgr, bool enable)
 420 {
 421         struct amdgpu_device *adev = hwmgr->adev;
 422
 423         if (enable)
 424                 return smum_send_msg_to_smc_with_parameter(hwmgr,
 425                                         PPSMC_MSG_GFX_CU_PG_ENABLE,
 426                                         adev->gfx.cu_info.number);
 427         else
 428                 return smum_send_msg_to_smc(hwmgr,
 429                                 PPSMC_MSG_GFX_CU_PG_DISABLE);
 430 }