drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c

   1 /*
   2  * Copyright 2019 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 "amdgpu.h"
  25 #include "amdgpu_jpeg.h"
  26 #include "amdgpu_pm.h"
  27 #include "soc15.h"
  28 #include "soc15d.h"
  29 #include "jpeg_v2_0.h"
  30
  31 #include "vcn/vcn_3_0_0_offset.h"
  32 #include "vcn/vcn_3_0_0_sh_mask.h"
  33 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
  34
  35 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET        0x401f
  36
  37 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  38 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev);
  39 static int jpeg_v3_0_set_powergating_state(void *handle,
  40                                 enum amd_powergating_state state);
  41
  42 /**
  43  * jpeg_v3_0_early_init - set function pointers
  44  *
  45  * @handle: amdgpu_device pointer
  46  *
  47  * Set ring and irq function pointers
  48  */
  49 static int jpeg_v3_0_early_init(void *handle)
  50 {
  51         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  52         if (adev->asic_type == CHIP_SIENNA_CICHLID) {
  53                 u32 harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
  54
  55                 if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
  56                         return -ENOENT;
  57         }
  58         adev->jpeg.num_jpeg_inst = 1;
  59
  60         jpeg_v3_0_set_dec_ring_funcs(adev);
  61         jpeg_v3_0_set_irq_funcs(adev);
  62
  63         return 0;
  64 }
  65
  66 /**
  67  * jpeg_v3_0_sw_init - sw init for JPEG block
  68  *
  69  * @handle: amdgpu_device pointer
  70  *
  71  * Load firmware and sw initialization
  72  */
  73 static int jpeg_v3_0_sw_init(void *handle)
  74 {
  75         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  76         struct amdgpu_ring *ring;
  77         int r;
  78
  79         /* JPEG TRAP */
  80         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  81                 VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
  82         if (r)
  83                 return r;
  84
  85         r = amdgpu_jpeg_sw_init(adev);
  86         if (r)
  87                 return r;
  88
  89         r = amdgpu_jpeg_resume(adev);
  90         if (r)
  91                 return r;
  92
  93         ring = &adev->jpeg.inst->ring_dec;
  94         ring->use_doorbell = true;
  95         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
  96         sprintf(ring->name, "jpeg_dec");
  97         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
  98                              AMDGPU_RING_PRIO_DEFAULT);
  99         if (r)
 100                 return r;
 101
 102         adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
 103         adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
 104
 105         return 0;
 106 }
 107
 108 /**
 109  * jpeg_v3_0_sw_fini - sw fini for JPEG block
 110  *
 111  * @handle: amdgpu_device pointer
 112  *
 113  * JPEG suspend and free up sw allocation
 114  */
 115 static int jpeg_v3_0_sw_fini(void *handle)
 116 {
 117         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 118         int r;
 119
 120         r = amdgpu_jpeg_suspend(adev);
 121         if (r)
 122                 return r;
 123
 124         r = amdgpu_jpeg_sw_fini(adev);
 125
 126         return r;
 127 }
 128
 129 /**
 130  * jpeg_v3_0_hw_init - start and test JPEG block
 131  *
 132  * @handle: amdgpu_device pointer
 133  *
 134  */
 135 static int jpeg_v3_0_hw_init(void *handle)
 136 {
 137         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 138         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 139         int r;
 140
 141         adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 142                 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
 143
 144         r = amdgpu_ring_test_helper(ring);
 145         if (r)
 146                 return r;
 147
 148         DRM_INFO("JPEG decode initialized successfully.\n");
 149
 150         return 0;
 151 }
 152
 153 /**
 154  * jpeg_v3_0_hw_fini - stop the hardware block
 155  *
 156  * @handle: amdgpu_device pointer
 157  *
 158  * Stop the JPEG block, mark ring as not ready any more
 159  */
 160 static int jpeg_v3_0_hw_fini(void *handle)
 161 {
 162         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 163         struct amdgpu_ring *ring;
 164
 165         ring = &adev->jpeg.inst->ring_dec;
 166         if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
 167               RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
 168                 jpeg_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 169
 170         ring->sched.ready = false;
 171
 172         return 0;
 173 }
 174
 175 /**
 176  * jpeg_v3_0_suspend - suspend JPEG block
 177  *
 178  * @handle: amdgpu_device pointer
 179  *
 180  * HW fini and suspend JPEG block
 181  */
 182 static int jpeg_v3_0_suspend(void *handle)
 183 {
 184         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 185         int r;
 186
 187         r = jpeg_v3_0_hw_fini(adev);
 188         if (r)
 189                 return r;
 190
 191         r = amdgpu_jpeg_suspend(adev);
 192
 193         return r;
 194 }
 195
 196 /**
 197  * jpeg_v3_0_resume - resume JPEG block
 198  *
 199  * @handle: amdgpu_device pointer
 200  *
 201  * Resume firmware and hw init JPEG block
 202  */
 203 static int jpeg_v3_0_resume(void *handle)
 204 {
 205         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 206         int r;
 207
 208         r = amdgpu_jpeg_resume(adev);
 209         if (r)
 210                 return r;
 211
 212         r = jpeg_v3_0_hw_init(adev);
 213
 214         return r;
 215 }
 216
 217 static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device* adev)
 218 {
 219         uint32_t data = 0;
 220
 221         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 222         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 223                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 224         else
 225                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 226
 227         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 228         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 229         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 230
 231         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 232         data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
 233                 | JPEG_CGC_GATE__JPEG2_DEC_MASK
 234                 | JPEG_CGC_GATE__JPEG_ENC_MASK
 235                 | JPEG_CGC_GATE__JMCIF_MASK
 236                 | JPEG_CGC_GATE__JRBBM_MASK);
 237         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 238
 239         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 240         data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
 241                 | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
 242                 | JPEG_CGC_CTRL__JMCIF_MODE_MASK
 243                 | JPEG_CGC_CTRL__JRBBM_MODE_MASK);
 244         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 245 }
 246
 247 static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device* adev)
 248 {
 249         uint32_t data = 0;
 250
 251         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 252         data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
 253                 |JPEG_CGC_GATE__JPEG2_DEC_MASK
 254                 |JPEG_CGC_GATE__JPEG_ENC_MASK
 255                 |JPEG_CGC_GATE__JMCIF_MASK
 256                 |JPEG_CGC_GATE__JRBBM_MASK);
 257         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 258 }
 259
 260 static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
 261 {
 262         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 263                 uint32_t data = 0;
 264                 int r = 0;
 265
 266                 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 267                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 268
 269                 r = SOC15_WAIT_ON_RREG(JPEG, 0,
 270                         mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
 271                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 272
 273                 if (r) {
 274                         DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
 275                         return r;
 276                 }
 277         }
 278
 279         /* disable anti hang mechanism */
 280         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
 281                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 282
 283         /* keep the JPEG in static PG mode */
 284         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
 285                 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
 286
 287         return 0;
 288 }
 289
 290 static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device* adev)
 291 {
 292         /* enable anti hang mechanism */
 293         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS),
 294                 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
 295                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 296
 297         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 298                 uint32_t data = 0;
 299                 int r = 0;
 300
 301                 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 302                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 303
 304                 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 305                         (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
 306                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 307
 308                 if (r) {
 309                         DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
 310                         return r;
 311                 }
 312         }
 313
 314         return 0;
 315 }
 316
 317 /**
 318  * jpeg_v3_0_start - start JPEG block
 319  *
 320  * @adev: amdgpu_device pointer
 321  *
 322  * Setup and start the JPEG block
 323  */
 324 static int jpeg_v3_0_start(struct amdgpu_device *adev)
 325 {
 326         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 327         int r;
 328
 329         if (adev->pm.dpm_enabled)
 330                 amdgpu_dpm_enable_jpeg(adev, true);
 331
 332         /* disable power gating */
 333         r = jpeg_v3_0_disable_static_power_gating(adev);
 334         if (r)
 335                 return r;
 336
 337         /* JPEG disable CGC */
 338         jpeg_v3_0_disable_clock_gating(adev);
 339
 340         /* MJPEG global tiling registers */
 341         WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
 342                 adev->gfx.config.gb_addr_config);
 343         WREG32_SOC15(JPEG, 0, mmJPEG_ENC_GFX10_ADDR_CONFIG,
 344                 adev->gfx.config.gb_addr_config);
 345
 346         /* enable JMI channel */
 347         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
 348                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 349
 350         /* enable System Interrupt for JRBC */
 351         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
 352                 JPEG_SYS_INT_EN__DJRBC_MASK,
 353                 ~JPEG_SYS_INT_EN__DJRBC_MASK);
 354
 355         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
 356         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
 357         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
 358                 lower_32_bits(ring->gpu_addr));
 359         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
 360                 upper_32_bits(ring->gpu_addr));
 361         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
 362         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
 363         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
 364         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
 365         ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 366
 367         return 0;
 368 }
 369
 370 /**
 371  * jpeg_v3_0_stop - stop JPEG block
 372  *
 373  * @adev: amdgpu_device pointer
 374  *
 375  * stop the JPEG block
 376  */
 377 static int jpeg_v3_0_stop(struct amdgpu_device *adev)
 378 {
 379         int r;
 380
 381         /* reset JMI */
 382         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
 383                 UVD_JMI_CNTL__SOFT_RESET_MASK,
 384                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 385
 386         jpeg_v3_0_enable_clock_gating(adev);
 387
 388         /* enable power gating */
 389         r = jpeg_v3_0_enable_static_power_gating(adev);
 390         if (r)
 391                 return r;
 392
 393         if (adev->pm.dpm_enabled)
 394                 amdgpu_dpm_enable_jpeg(adev, false);
 395
 396         return 0;
 397 }
 398
 399 /**
 400  * jpeg_v3_0_dec_ring_get_rptr - get read pointer
 401  *
 402  * @ring: amdgpu_ring pointer
 403  *
 404  * Returns the current hardware read pointer
 405  */
 406 static uint64_t jpeg_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 407 {
 408         struct amdgpu_device *adev = ring->adev;
 409
 410         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 411 }
 412
 413 /**
 414  * jpeg_v3_0_dec_ring_get_wptr - get write pointer
 415  *
 416  * @ring: amdgpu_ring pointer
 417  *
 418  * Returns the current hardware write pointer
 419  */
 420 static uint64_t jpeg_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 421 {
 422         struct amdgpu_device *adev = ring->adev;
 423
 424         if (ring->use_doorbell)
 425                 return adev->wb.wb[ring->wptr_offs];
 426         else
 427                 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 428 }
 429
 430 /**
 431  * jpeg_v3_0_dec_ring_set_wptr - set write pointer
 432  *
 433  * @ring: amdgpu_ring pointer
 434  *
 435  * Commits the write pointer to the hardware
 436  */
 437 static void jpeg_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 438 {
 439         struct amdgpu_device *adev = ring->adev;
 440
 441         if (ring->use_doorbell) {
 442                 adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
 443                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
 444         } else {
 445                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 446         }
 447 }
 448
 449 static bool jpeg_v3_0_is_idle(void *handle)
 450 {
 451         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 452         int ret = 1;
 453
 454         ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
 455                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
 456                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
 457
 458         return ret;
 459 }
 460
 461 static int jpeg_v3_0_wait_for_idle(void *handle)
 462 {
 463         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 464         int ret;
 465
 466         ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
 467                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
 468                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 469         if (ret)
 470                 return ret;
 471
 472         return ret;
 473 }
 474
 475 static int jpeg_v3_0_set_clockgating_state(void *handle,
 476                                           enum amd_clockgating_state state)
 477 {
 478         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 479         bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
 480
 481         if (enable) {
 482                 if (!jpeg_v3_0_is_idle(handle))
 483                         return -EBUSY;
 484                 jpeg_v3_0_enable_clock_gating(adev);
 485         } else {
 486                 jpeg_v3_0_disable_clock_gating(adev);
 487         }
 488
 489         return 0;
 490 }
 491
 492 static int jpeg_v3_0_set_powergating_state(void *handle,
 493                                           enum amd_powergating_state state)
 494 {
 495         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 496         int ret;
 497
 498         if(state == adev->jpeg.cur_state)
 499                 return 0;
 500
 501         if (state == AMD_PG_STATE_GATE)
 502                 ret = jpeg_v3_0_stop(adev);
 503         else
 504                 ret = jpeg_v3_0_start(adev);
 505
 506         if(!ret)
 507                 adev->jpeg.cur_state = state;
 508
 509         return ret;
 510 }
 511
 512 static int jpeg_v3_0_set_interrupt_state(struct amdgpu_device *adev,
 513                                         struct amdgpu_irq_src *source,
 514                                         unsigned type,
 515                                         enum amdgpu_interrupt_state state)
 516 {
 517         return 0;
 518 }
 519
 520 static int jpeg_v3_0_process_interrupt(struct amdgpu_device *adev,
 521                                       struct amdgpu_irq_src *source,
 522                                       struct amdgpu_iv_entry *entry)
 523 {
 524         DRM_DEBUG("IH: JPEG TRAP\n");
 525
 526         switch (entry->src_id) {
 527         case VCN_2_0__SRCID__JPEG_DECODE:
 528                 amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
 529                 break;
 530         default:
 531                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 532                           entry->src_id, entry->src_data[0]);
 533                 break;
 534         }
 535
 536         return 0;
 537 }
 538
 539 static const struct amd_ip_funcs jpeg_v3_0_ip_funcs = {
 540         .name = "jpeg_v3_0",
 541         .early_init = jpeg_v3_0_early_init,
 542         .late_init = NULL,
 543         .sw_init = jpeg_v3_0_sw_init,
 544         .sw_fini = jpeg_v3_0_sw_fini,
 545         .hw_init = jpeg_v3_0_hw_init,
 546         .hw_fini = jpeg_v3_0_hw_fini,
 547         .suspend = jpeg_v3_0_suspend,
 548         .resume = jpeg_v3_0_resume,
 549         .is_idle = jpeg_v3_0_is_idle,
 550         .wait_for_idle = jpeg_v3_0_wait_for_idle,
 551         .check_soft_reset = NULL,
 552         .pre_soft_reset = NULL,
 553         .soft_reset = NULL,
 554         .post_soft_reset = NULL,
 555         .set_clockgating_state = jpeg_v3_0_set_clockgating_state,
 556         .set_powergating_state = jpeg_v3_0_set_powergating_state,
 557 };
 558
 559 static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
 560         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 561         .align_mask = 0xf,
 562         .vmhub = AMDGPU_MMHUB_0,
 563         .get_rptr = jpeg_v3_0_dec_ring_get_rptr,
 564         .get_wptr = jpeg_v3_0_dec_ring_get_wptr,
 565         .set_wptr = jpeg_v3_0_dec_ring_set_wptr,
 566         .emit_frame_size =
 567                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 568                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 569                 8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */
 570                 18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */
 571                 8 + 16,
 572         .emit_ib_size = 22, /* jpeg_v3_0_dec_ring_emit_ib */
 573         .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 574         .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 575         .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
 576         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 577         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 578         .insert_nop = jpeg_v2_0_dec_ring_nop,
 579         .insert_start = jpeg_v2_0_dec_ring_insert_start,
 580         .insert_end = jpeg_v2_0_dec_ring_insert_end,
 581         .pad_ib = amdgpu_ring_generic_pad_ib,
 582         .begin_use = amdgpu_jpeg_ring_begin_use,
 583         .end_use = amdgpu_jpeg_ring_end_use,
 584         .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 585         .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 586         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 587 };
 588
 589 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 590 {
 591         adev->jpeg.inst->ring_dec.funcs = &jpeg_v3_0_dec_ring_vm_funcs;
 592         DRM_INFO("JPEG decode is enabled in VM mode\n");
 593 }
 594
 595 static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = {
 596         .set = jpeg_v3_0_set_interrupt_state,
 597         .process = jpeg_v3_0_process_interrupt,
 598 };
 599
 600 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev)
 601 {
 602         adev->jpeg.inst->irq.num_types = 1;
 603         adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs;
 604 }
 605
 606 const struct amdgpu_ip_block_version jpeg_v3_0_ip_block =
 607 {
 608         .type = AMD_IP_BLOCK_TYPE_JPEG,
 609         .major = 3,
 610         .minor = 0,
 611         .rev = 0,
 612         .funcs = &jpeg_v3_0_ip_funcs,
 613 };