drivers/gpu/drm/amd/amdgpu/vce_v3_0.c

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  * The above copyright notice and this permission notice (including the
  22  * next paragraph) shall be included in all copies or substantial portions
  23  * of the Software.
  24  *
  25  * Authors: Christian König <christian.koenig@amd.com>
  26  */
  27
  28 #include <linux/firmware.h>
  29 #include <drm/drmP.h>
  30 #include "amdgpu.h"
  31 #include "amdgpu_vce.h"
  32 #include "vid.h"
  33 #include "vce/vce_3_0_d.h"
  34 #include "vce/vce_3_0_sh_mask.h"
  35 #include "oss/oss_2_0_d.h"
  36 #include "oss/oss_2_0_sh_mask.h"
  37 #include "gca/gfx_8_0_d.h"
  38
  39 #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT     0x04
  40 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK       0x10
  41
  42 #define VCE_V3_0_FW_SIZE        (384 * 1024)
  43 #define VCE_V3_0_STACK_SIZE     (64 * 1024)
  44 #define VCE_V3_0_DATA_SIZE      ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
  45
  46 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
  47 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
  48 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
  49
  50 /**
  51  * vce_v3_0_ring_get_rptr - get read pointer
  52  *
  53  * @ring: amdgpu_ring pointer
  54  *
  55  * Returns the current hardware read pointer
  56  */
  57 static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
  58 {
  59         struct amdgpu_device *adev = ring->adev;
  60
  61         if (ring == &adev->vce.ring[0])
  62                 return RREG32(mmVCE_RB_RPTR);
  63         else
  64                 return RREG32(mmVCE_RB_RPTR2);
  65 }
  66
  67 /**
  68  * vce_v3_0_ring_get_wptr - get write pointer
  69  *
  70  * @ring: amdgpu_ring pointer
  71  *
  72  * Returns the current hardware write pointer
  73  */
  74 static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
  75 {
  76         struct amdgpu_device *adev = ring->adev;
  77
  78         if (ring == &adev->vce.ring[0])
  79                 return RREG32(mmVCE_RB_WPTR);
  80         else
  81                 return RREG32(mmVCE_RB_WPTR2);
  82 }
  83
  84 /**
  85  * vce_v3_0_ring_set_wptr - set write pointer
  86  *
  87  * @ring: amdgpu_ring pointer
  88  *
  89  * Commits the write pointer to the hardware
  90  */
  91 static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
  92 {
  93         struct amdgpu_device *adev = ring->adev;
  94
  95         if (ring == &adev->vce.ring[0])
  96                 WREG32(mmVCE_RB_WPTR, ring->wptr);
  97         else
  98                 WREG32(mmVCE_RB_WPTR2, ring->wptr);
  99 }
 100
 101 /**
 102  * vce_v3_0_start - start VCE block
 103  *
 104  * @adev: amdgpu_device pointer
 105  *
 106  * Setup and start the VCE block
 107  */
 108 static int vce_v3_0_start(struct amdgpu_device *adev)
 109 {
 110         struct amdgpu_ring *ring;
 111         int idx, i, j, r;
 112
 113         mutex_lock(&adev->grbm_idx_mutex);
 114         for (idx = 0; idx < 2; ++idx) {
 115                 if(idx == 0)
 116                         WREG32_P(mmGRBM_GFX_INDEX, 0,
 117                                 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 118                 else
 119                         WREG32_P(mmGRBM_GFX_INDEX,
 120                                 GRBM_GFX_INDEX__VCE_INSTANCE_MASK,
 121                                 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 122
 123                 vce_v3_0_mc_resume(adev, idx);
 124
 125                 /* set BUSY flag */
 126                 WREG32_P(mmVCE_STATUS, 1, ~1);
 127
 128                 WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK,
 129                         ~VCE_VCPU_CNTL__CLK_EN_MASK);
 130
 131                 WREG32_P(mmVCE_SOFT_RESET,
 132                          VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 133                          ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 134
 135                 mdelay(100);
 136
 137                 WREG32_P(mmVCE_SOFT_RESET, 0,
 138                         ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 139
 140                 for (i = 0; i < 10; ++i) {
 141                         uint32_t status;
 142                         for (j = 0; j < 100; ++j) {
 143                                 status = RREG32(mmVCE_STATUS);
 144                                 if (status & 2)
 145                                         break;
 146                                 mdelay(10);
 147                         }
 148                         r = 0;
 149                         if (status & 2)
 150                                 break;
 151
 152                         DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
 153                         WREG32_P(mmVCE_SOFT_RESET,
 154                                 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 155                                 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 156                         mdelay(10);
 157                         WREG32_P(mmVCE_SOFT_RESET, 0,
 158                                 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 159                         mdelay(10);
 160                         r = -1;
 161                 }
 162
 163                 /* clear BUSY flag */
 164                 WREG32_P(mmVCE_STATUS, 0, ~1);
 165
 166                 if (r) {
 167                         DRM_ERROR("VCE not responding, giving up!!!\n");
 168                         mutex_unlock(&adev->grbm_idx_mutex);
 169                         return r;
 170                 }
 171         }
 172
 173         WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 174         mutex_unlock(&adev->grbm_idx_mutex);
 175
 176         ring = &adev->vce.ring[0];
 177         WREG32(mmVCE_RB_RPTR, ring->wptr);
 178         WREG32(mmVCE_RB_WPTR, ring->wptr);
 179         WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
 180         WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 181         WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
 182
 183         ring = &adev->vce.ring[1];
 184         WREG32(mmVCE_RB_RPTR2, ring->wptr);
 185         WREG32(mmVCE_RB_WPTR2, ring->wptr);
 186         WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
 187         WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 188         WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
 189
 190         return 0;
 191 }
 192
 193 static int vce_v3_0_early_init(void *handle)
 194 {
 195         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 196
 197         vce_v3_0_set_ring_funcs(adev);
 198         vce_v3_0_set_irq_funcs(adev);
 199
 200         return 0;
 201 }
 202
 203 static int vce_v3_0_sw_init(void *handle)
 204 {
 205         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 206         struct amdgpu_ring *ring;
 207         int r;
 208
 209         /* VCE */
 210         r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
 211         if (r)
 212                 return r;
 213
 214         r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
 215                 (VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
 216         if (r)
 217                 return r;
 218
 219         r = amdgpu_vce_resume(adev);
 220         if (r)
 221                 return r;
 222
 223         ring = &adev->vce.ring[0];
 224         sprintf(ring->name, "vce0");
 225         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 226                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 227         if (r)
 228                 return r;
 229
 230         ring = &adev->vce.ring[1];
 231         sprintf(ring->name, "vce1");
 232         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 233                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 234         if (r)
 235                 return r;
 236
 237         return r;
 238 }
 239
 240 static int vce_v3_0_sw_fini(void *handle)
 241 {
 242         int r;
 243         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 244
 245         r = amdgpu_vce_suspend(adev);
 246         if (r)
 247                 return r;
 248
 249         r = amdgpu_vce_sw_fini(adev);
 250         if (r)
 251                 return r;
 252
 253         return r;
 254 }
 255
 256 static int vce_v3_0_hw_init(void *handle)
 257 {
 258         struct amdgpu_ring *ring;
 259         int r;
 260         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 261
 262         r = vce_v3_0_start(adev);
 263         if (r)
 264                 return r;
 265
 266         ring = &adev->vce.ring[0];
 267         ring->ready = true;
 268         r = amdgpu_ring_test_ring(ring);
 269         if (r) {
 270                 ring->ready = false;
 271                 return r;
 272         }
 273
 274         ring = &adev->vce.ring[1];
 275         ring->ready = true;
 276         r = amdgpu_ring_test_ring(ring);
 277         if (r) {
 278                 ring->ready = false;
 279                 return r;
 280         }
 281
 282         DRM_INFO("VCE initialized successfully.\n");
 283
 284         return 0;
 285 }
 286
 287 static int vce_v3_0_hw_fini(void *handle)
 288 {
 289         return 0;
 290 }
 291
 292 static int vce_v3_0_suspend(void *handle)
 293 {
 294         int r;
 295         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 296
 297         r = vce_v3_0_hw_fini(adev);
 298         if (r)
 299                 return r;
 300
 301         r = amdgpu_vce_suspend(adev);
 302         if (r)
 303                 return r;
 304
 305         return r;
 306 }
 307
 308 static int vce_v3_0_resume(void *handle)
 309 {
 310         int r;
 311         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 312
 313         r = amdgpu_vce_resume(adev);
 314         if (r)
 315                 return r;
 316
 317         r = vce_v3_0_hw_init(adev);
 318         if (r)
 319                 return r;
 320
 321         return r;
 322 }
 323
 324 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
 325 {
 326         uint32_t offset, size;
 327
 328         WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
 329         WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
 330         WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
 331         WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
 332
 333         WREG32(mmVCE_LMI_CTRL, 0x00398000);
 334         WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
 335         WREG32(mmVCE_LMI_SWAP_CNTL, 0);
 336         WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
 337         WREG32(mmVCE_LMI_VM_CTRL, 0);
 338
 339         WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
 340         offset = AMDGPU_VCE_FIRMWARE_OFFSET;
 341         size = VCE_V3_0_FW_SIZE;
 342         WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
 343         WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
 344
 345         if (idx == 0) {
 346                 offset += size;
 347                 size = VCE_V3_0_STACK_SIZE;
 348                 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
 349                 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 350                 offset += size;
 351                 size = VCE_V3_0_DATA_SIZE;
 352                 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
 353                 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 354         } else {
 355                 offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
 356                 size = VCE_V3_0_STACK_SIZE;
 357                 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
 358                 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 359                 offset += size;
 360                 size = VCE_V3_0_DATA_SIZE;
 361                 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
 362                 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 363         }
 364
 365         WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
 366
 367         WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
 368                  ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 369 }
 370
 371 static bool vce_v3_0_is_idle(void *handle)
 372 {
 373         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 374
 375         return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
 376 }
 377
 378 static int vce_v3_0_wait_for_idle(void *handle)
 379 {
 380         unsigned i;
 381         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 382
 383         for (i = 0; i < adev->usec_timeout; i++) {
 384                 if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
 385                         return 0;
 386         }
 387         return -ETIMEDOUT;
 388 }
 389
 390 static int vce_v3_0_soft_reset(void *handle)
 391 {
 392         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 393
 394         WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
 395                         ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
 396         mdelay(5);
 397
 398         return vce_v3_0_start(adev);
 399 }
 400
 401 static void vce_v3_0_print_status(void *handle)
 402 {
 403         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 404
 405         dev_info(adev->dev, "VCE 3.0 registers\n");
 406         dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
 407                  RREG32(mmVCE_STATUS));
 408         dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
 409                  RREG32(mmVCE_VCPU_CNTL));
 410         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
 411                  RREG32(mmVCE_VCPU_CACHE_OFFSET0));
 412         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
 413                  RREG32(mmVCE_VCPU_CACHE_SIZE0));
 414         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
 415                  RREG32(mmVCE_VCPU_CACHE_OFFSET1));
 416         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
 417                  RREG32(mmVCE_VCPU_CACHE_SIZE1));
 418         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
 419                  RREG32(mmVCE_VCPU_CACHE_OFFSET2));
 420         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
 421                  RREG32(mmVCE_VCPU_CACHE_SIZE2));
 422         dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
 423                  RREG32(mmVCE_SOFT_RESET));
 424         dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
 425                  RREG32(mmVCE_RB_BASE_LO2));
 426         dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
 427                  RREG32(mmVCE_RB_BASE_HI2));
 428         dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
 429                  RREG32(mmVCE_RB_SIZE2));
 430         dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
 431                  RREG32(mmVCE_RB_RPTR2));
 432         dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
 433                  RREG32(mmVCE_RB_WPTR2));
 434         dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
 435                  RREG32(mmVCE_RB_BASE_LO));
 436         dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
 437                  RREG32(mmVCE_RB_BASE_HI));
 438         dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
 439                  RREG32(mmVCE_RB_SIZE));
 440         dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
 441                  RREG32(mmVCE_RB_RPTR));
 442         dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
 443                  RREG32(mmVCE_RB_WPTR));
 444         dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
 445                  RREG32(mmVCE_CLOCK_GATING_A));
 446         dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
 447                  RREG32(mmVCE_CLOCK_GATING_B));
 448         dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
 449                  RREG32(mmVCE_UENC_CLOCK_GATING));
 450         dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
 451                  RREG32(mmVCE_UENC_REG_CLOCK_GATING));
 452         dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
 453                  RREG32(mmVCE_SYS_INT_EN));
 454         dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
 455                  RREG32(mmVCE_LMI_CTRL2));
 456         dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
 457                  RREG32(mmVCE_LMI_CTRL));
 458         dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
 459                  RREG32(mmVCE_LMI_VM_CTRL));
 460         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
 461                  RREG32(mmVCE_LMI_SWAP_CNTL));
 462         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
 463                  RREG32(mmVCE_LMI_SWAP_CNTL1));
 464         dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
 465                  RREG32(mmVCE_LMI_CACHE_CTRL));
 466 }
 467
 468 static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
 469                                         struct amdgpu_irq_src *source,
 470                                         unsigned type,
 471                                         enum amdgpu_interrupt_state state)
 472 {
 473         uint32_t val = 0;
 474
 475         if (state == AMDGPU_IRQ_STATE_ENABLE)
 476                 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
 477
 478         WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 479         return 0;
 480 }
 481
 482 static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
 483                                       struct amdgpu_irq_src *source,
 484                                       struct amdgpu_iv_entry *entry)
 485 {
 486         DRM_DEBUG("IH: VCE\n");
 487         switch (entry->src_data) {
 488         case 0:
 489                 amdgpu_fence_process(&adev->vce.ring[0]);
 490                 break;
 491         case 1:
 492                 amdgpu_fence_process(&adev->vce.ring[1]);
 493                 break;
 494         default:
 495                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 496                           entry->src_id, entry->src_data);
 497                 break;
 498         }
 499
 500         return 0;
 501 }
 502
 503 static int vce_v3_0_set_clockgating_state(void *handle,
 504                                           enum amd_clockgating_state state)
 505 {
 506         return 0;
 507 }
 508
 509 static int vce_v3_0_set_powergating_state(void *handle,
 510                                           enum amd_powergating_state state)
 511 {
 512         /* This doesn't actually powergate the VCE block.
 513          * That's done in the dpm code via the SMC.  This
 514          * just re-inits the block as necessary.  The actual
 515          * gating still happens in the dpm code.  We should
 516          * revisit this when there is a cleaner line between
 517          * the smc and the hw blocks
 518          */
 519         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 520
 521         if (state == AMD_PG_STATE_GATE)
 522                 /* XXX do we need a vce_v3_0_stop()? */
 523                 return 0;
 524         else
 525                 return vce_v3_0_start(adev);
 526 }
 527
 528 const struct amd_ip_funcs vce_v3_0_ip_funcs = {
 529         .early_init = vce_v3_0_early_init,
 530         .late_init = NULL,
 531         .sw_init = vce_v3_0_sw_init,
 532         .sw_fini = vce_v3_0_sw_fini,
 533         .hw_init = vce_v3_0_hw_init,
 534         .hw_fini = vce_v3_0_hw_fini,
 535         .suspend = vce_v3_0_suspend,
 536         .resume = vce_v3_0_resume,
 537         .is_idle = vce_v3_0_is_idle,
 538         .wait_for_idle = vce_v3_0_wait_for_idle,
 539         .soft_reset = vce_v3_0_soft_reset,
 540         .print_status = vce_v3_0_print_status,
 541         .set_clockgating_state = vce_v3_0_set_clockgating_state,
 542         .set_powergating_state = vce_v3_0_set_powergating_state,
 543 };
 544
 545 static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = {
 546         .get_rptr = vce_v3_0_ring_get_rptr,
 547         .get_wptr = vce_v3_0_ring_get_wptr,
 548         .set_wptr = vce_v3_0_ring_set_wptr,
 549         .parse_cs = amdgpu_vce_ring_parse_cs,
 550         .emit_ib = amdgpu_vce_ring_emit_ib,
 551         .emit_fence = amdgpu_vce_ring_emit_fence,
 552         .emit_semaphore = amdgpu_vce_ring_emit_semaphore,
 553         .test_ring = amdgpu_vce_ring_test_ring,
 554         .test_ib = amdgpu_vce_ring_test_ib,
 555         .is_lockup = amdgpu_ring_test_lockup,
 556 };
 557
 558 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
 559 {
 560         adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs;
 561         adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs;
 562 }
 563
 564 static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
 565         .set = vce_v3_0_set_interrupt_state,
 566         .process = vce_v3_0_process_interrupt,
 567 };
 568
 569 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
 570 {
 571         adev->vce.irq.num_types = 1;
 572         adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
 573 };