1 /* 2 * Copyright 2014 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 * Authors: Christian König <christian.koenig@amd.com> 23 */ 24 25 #include <linux/firmware.h> 26 #include <drm/drmP.h> 27 #include "amdgpu.h" 28 #include "amdgpu_uvd.h" 29 #include "vid.h" 30 #include "uvd/uvd_6_0_d.h" 31 #include "uvd/uvd_6_0_sh_mask.h" 32 #include "oss/oss_2_0_d.h" 33 #include "oss/oss_2_0_sh_mask.h" 34 35 static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev); 36 static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev); 37 static int uvd_v6_0_start(struct amdgpu_device *adev); 38 static void uvd_v6_0_stop(struct amdgpu_device *adev); 39 40 /** 41 * uvd_v6_0_ring_get_rptr - get read pointer 42 * 43 * @ring: amdgpu_ring pointer 44 * 45 * Returns the current hardware read pointer 46 */ 47 static uint32_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring) 48 { 49 struct amdgpu_device *adev = ring->adev; 50 51 return RREG32(mmUVD_RBC_RB_RPTR); 52 } 53 54 /** 55 * uvd_v6_0_ring_get_wptr - get write pointer 56 * 57 * @ring: amdgpu_ring pointer 58 * 59 * Returns the current hardware write pointer 60 */ 61 static uint32_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring) 62 { 63 struct amdgpu_device *adev = ring->adev; 64 65 return RREG32(mmUVD_RBC_RB_WPTR); 66 } 67 68 /** 69 * uvd_v6_0_ring_set_wptr - set write pointer 70 * 71 * @ring: amdgpu_ring pointer 72 * 73 * Commits the write pointer to the hardware 74 */ 75 static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring) 76 { 77 struct amdgpu_device *adev = ring->adev; 78 79 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 80 } 81 82 static int uvd_v6_0_early_init(void *handle) 83 { 84 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 85 86 uvd_v6_0_set_ring_funcs(adev); 87 uvd_v6_0_set_irq_funcs(adev); 88 89 return 0; 90 } 91 92 static int uvd_v6_0_sw_init(void *handle) 93 { 94 struct amdgpu_ring *ring; 95 int r; 96 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 97 98 /* UVD TRAP */ 99 r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq); 100 if (r) 101 return r; 102 103 r = amdgpu_uvd_sw_init(adev); 104 if (r) 105 return r; 106 107 r = amdgpu_uvd_resume(adev); 108 if (r) 109 return r; 110 111 ring = &adev->uvd.ring; 112 sprintf(ring->name, "uvd"); 113 r = amdgpu_ring_init(adev, ring, 4096, CP_PACKET2, 0xf, 114 &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD); 115 116 return r; 117 } 118 119 static int uvd_v6_0_sw_fini(void *handle) 120 { 121 int r; 122 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 123 124 r = amdgpu_uvd_suspend(adev); 125 if (r) 126 return r; 127 128 r = amdgpu_uvd_sw_fini(adev); 129 if (r) 130 return r; 131 132 return r; 133 } 134 135 /** 136 * uvd_v6_0_hw_init - start and test UVD block 137 * 138 * @adev: amdgpu_device pointer 139 * 140 * Initialize the hardware, boot up the VCPU and do some testing 141 */ 142 static int uvd_v6_0_hw_init(void *handle) 143 { 144 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 145 struct amdgpu_ring *ring = &adev->uvd.ring; 146 uint32_t tmp; 147 int r; 148 149 r = uvd_v6_0_start(adev); 150 if (r) 151 goto done; 152 153 ring->ready = true; 154 r = amdgpu_ring_test_ring(ring); 155 if (r) { 156 ring->ready = false; 157 goto done; 158 } 159 160 r = amdgpu_ring_lock(ring, 10); 161 if (r) { 162 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 163 goto done; 164 } 165 166 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 167 amdgpu_ring_write(ring, tmp); 168 amdgpu_ring_write(ring, 0xFFFFF); 169 170 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 171 amdgpu_ring_write(ring, tmp); 172 amdgpu_ring_write(ring, 0xFFFFF); 173 174 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 175 amdgpu_ring_write(ring, tmp); 176 amdgpu_ring_write(ring, 0xFFFFF); 177 178 /* Clear timeout status bits */ 179 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 180 amdgpu_ring_write(ring, 0x8); 181 182 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 183 amdgpu_ring_write(ring, 3); 184 185 amdgpu_ring_unlock_commit(ring); 186 187 done: 188 if (!r) 189 DRM_INFO("UVD initialized successfully.\n"); 190 191 return r; 192 } 193 194 /** 195 * uvd_v6_0_hw_fini - stop the hardware block 196 * 197 * @adev: amdgpu_device pointer 198 * 199 * Stop the UVD block, mark ring as not ready any more 200 */ 201 static int uvd_v6_0_hw_fini(void *handle) 202 { 203 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 204 struct amdgpu_ring *ring = &adev->uvd.ring; 205 206 uvd_v6_0_stop(adev); 207 ring->ready = false; 208 209 return 0; 210 } 211 212 static int uvd_v6_0_suspend(void *handle) 213 { 214 int r; 215 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 216 217 /* Skip this for APU for now */ 218 if (!(adev->flags & AMD_IS_APU)) { 219 r = amdgpu_uvd_suspend(adev); 220 if (r) 221 return r; 222 } 223 r = uvd_v6_0_hw_fini(adev); 224 if (r) 225 return r; 226 227 return r; 228 } 229 230 static int uvd_v6_0_resume(void *handle) 231 { 232 int r; 233 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 234 235 /* Skip this for APU for now */ 236 if (!(adev->flags & AMD_IS_APU)) { 237 r = amdgpu_uvd_resume(adev); 238 if (r) 239 return r; 240 } 241 r = uvd_v6_0_hw_init(adev); 242 if (r) 243 return r; 244 245 return r; 246 } 247 248 /** 249 * uvd_v6_0_mc_resume - memory controller programming 250 * 251 * @adev: amdgpu_device pointer 252 * 253 * Let the UVD memory controller know it's offsets 254 */ 255 static void uvd_v6_0_mc_resume(struct amdgpu_device *adev) 256 { 257 uint64_t offset; 258 uint32_t size; 259 260 /* programm memory controller bits 0-27 */ 261 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 262 lower_32_bits(adev->uvd.gpu_addr)); 263 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 264 upper_32_bits(adev->uvd.gpu_addr)); 265 266 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 267 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4); 268 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 269 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 270 271 offset += size; 272 size = AMDGPU_UVD_STACK_SIZE; 273 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 274 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 275 276 offset += size; 277 size = AMDGPU_UVD_HEAP_SIZE; 278 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 279 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 280 } 281 282 static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev, 283 bool enable) 284 { 285 u32 data, data1; 286 287 data = RREG32(mmUVD_CGC_GATE); 288 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 289 if (enable) { 290 data |= UVD_CGC_GATE__SYS_MASK | 291 UVD_CGC_GATE__UDEC_MASK | 292 UVD_CGC_GATE__MPEG2_MASK | 293 UVD_CGC_GATE__RBC_MASK | 294 UVD_CGC_GATE__LMI_MC_MASK | 295 UVD_CGC_GATE__IDCT_MASK | 296 UVD_CGC_GATE__MPRD_MASK | 297 UVD_CGC_GATE__MPC_MASK | 298 UVD_CGC_GATE__LBSI_MASK | 299 UVD_CGC_GATE__LRBBM_MASK | 300 UVD_CGC_GATE__UDEC_RE_MASK | 301 UVD_CGC_GATE__UDEC_CM_MASK | 302 UVD_CGC_GATE__UDEC_IT_MASK | 303 UVD_CGC_GATE__UDEC_DB_MASK | 304 UVD_CGC_GATE__UDEC_MP_MASK | 305 UVD_CGC_GATE__WCB_MASK | 306 UVD_CGC_GATE__VCPU_MASK | 307 UVD_CGC_GATE__SCPU_MASK; 308 data1 |= UVD_SUVD_CGC_GATE__SRE_MASK | 309 UVD_SUVD_CGC_GATE__SIT_MASK | 310 UVD_SUVD_CGC_GATE__SMP_MASK | 311 UVD_SUVD_CGC_GATE__SCM_MASK | 312 UVD_SUVD_CGC_GATE__SDB_MASK | 313 UVD_SUVD_CGC_GATE__SRE_H264_MASK | 314 UVD_SUVD_CGC_GATE__SRE_HEVC_MASK | 315 UVD_SUVD_CGC_GATE__SIT_H264_MASK | 316 UVD_SUVD_CGC_GATE__SIT_HEVC_MASK | 317 UVD_SUVD_CGC_GATE__SCM_H264_MASK | 318 UVD_SUVD_CGC_GATE__SCM_HEVC_MASK | 319 UVD_SUVD_CGC_GATE__SDB_H264_MASK | 320 UVD_SUVD_CGC_GATE__SDB_HEVC_MASK; 321 } else { 322 data &= ~(UVD_CGC_GATE__SYS_MASK | 323 UVD_CGC_GATE__UDEC_MASK | 324 UVD_CGC_GATE__MPEG2_MASK | 325 UVD_CGC_GATE__RBC_MASK | 326 UVD_CGC_GATE__LMI_MC_MASK | 327 UVD_CGC_GATE__LMI_UMC_MASK | 328 UVD_CGC_GATE__IDCT_MASK | 329 UVD_CGC_GATE__MPRD_MASK | 330 UVD_CGC_GATE__MPC_MASK | 331 UVD_CGC_GATE__LBSI_MASK | 332 UVD_CGC_GATE__LRBBM_MASK | 333 UVD_CGC_GATE__UDEC_RE_MASK | 334 UVD_CGC_GATE__UDEC_CM_MASK | 335 UVD_CGC_GATE__UDEC_IT_MASK | 336 UVD_CGC_GATE__UDEC_DB_MASK | 337 UVD_CGC_GATE__UDEC_MP_MASK | 338 UVD_CGC_GATE__WCB_MASK | 339 UVD_CGC_GATE__VCPU_MASK | 340 UVD_CGC_GATE__SCPU_MASK); 341 data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK | 342 UVD_SUVD_CGC_GATE__SIT_MASK | 343 UVD_SUVD_CGC_GATE__SMP_MASK | 344 UVD_SUVD_CGC_GATE__SCM_MASK | 345 UVD_SUVD_CGC_GATE__SDB_MASK | 346 UVD_SUVD_CGC_GATE__SRE_H264_MASK | 347 UVD_SUVD_CGC_GATE__SRE_HEVC_MASK | 348 UVD_SUVD_CGC_GATE__SIT_H264_MASK | 349 UVD_SUVD_CGC_GATE__SIT_HEVC_MASK | 350 UVD_SUVD_CGC_GATE__SCM_H264_MASK | 351 UVD_SUVD_CGC_GATE__SCM_HEVC_MASK | 352 UVD_SUVD_CGC_GATE__SDB_H264_MASK | 353 UVD_SUVD_CGC_GATE__SDB_HEVC_MASK); 354 } 355 WREG32(mmUVD_CGC_GATE, data); 356 WREG32(mmUVD_SUVD_CGC_GATE, data1); 357 } 358 359 static void tonga_set_uvd_clock_gating_branches(struct amdgpu_device *adev, 360 bool enable) 361 { 362 u32 data, data1; 363 364 data = RREG32(mmUVD_CGC_GATE); 365 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 366 if (enable) { 367 data |= UVD_CGC_GATE__SYS_MASK | 368 UVD_CGC_GATE__UDEC_MASK | 369 UVD_CGC_GATE__MPEG2_MASK | 370 UVD_CGC_GATE__RBC_MASK | 371 UVD_CGC_GATE__LMI_MC_MASK | 372 UVD_CGC_GATE__IDCT_MASK | 373 UVD_CGC_GATE__MPRD_MASK | 374 UVD_CGC_GATE__MPC_MASK | 375 UVD_CGC_GATE__LBSI_MASK | 376 UVD_CGC_GATE__LRBBM_MASK | 377 UVD_CGC_GATE__UDEC_RE_MASK | 378 UVD_CGC_GATE__UDEC_CM_MASK | 379 UVD_CGC_GATE__UDEC_IT_MASK | 380 UVD_CGC_GATE__UDEC_DB_MASK | 381 UVD_CGC_GATE__UDEC_MP_MASK | 382 UVD_CGC_GATE__WCB_MASK | 383 UVD_CGC_GATE__VCPU_MASK | 384 UVD_CGC_GATE__SCPU_MASK; 385 data1 |= UVD_SUVD_CGC_GATE__SRE_MASK | 386 UVD_SUVD_CGC_GATE__SIT_MASK | 387 UVD_SUVD_CGC_GATE__SMP_MASK | 388 UVD_SUVD_CGC_GATE__SCM_MASK | 389 UVD_SUVD_CGC_GATE__SDB_MASK; 390 } else { 391 data &= ~(UVD_CGC_GATE__SYS_MASK | 392 UVD_CGC_GATE__UDEC_MASK | 393 UVD_CGC_GATE__MPEG2_MASK | 394 UVD_CGC_GATE__RBC_MASK | 395 UVD_CGC_GATE__LMI_MC_MASK | 396 UVD_CGC_GATE__LMI_UMC_MASK | 397 UVD_CGC_GATE__IDCT_MASK | 398 UVD_CGC_GATE__MPRD_MASK | 399 UVD_CGC_GATE__MPC_MASK | 400 UVD_CGC_GATE__LBSI_MASK | 401 UVD_CGC_GATE__LRBBM_MASK | 402 UVD_CGC_GATE__UDEC_RE_MASK | 403 UVD_CGC_GATE__UDEC_CM_MASK | 404 UVD_CGC_GATE__UDEC_IT_MASK | 405 UVD_CGC_GATE__UDEC_DB_MASK | 406 UVD_CGC_GATE__UDEC_MP_MASK | 407 UVD_CGC_GATE__WCB_MASK | 408 UVD_CGC_GATE__VCPU_MASK | 409 UVD_CGC_GATE__SCPU_MASK); 410 data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK | 411 UVD_SUVD_CGC_GATE__SIT_MASK | 412 UVD_SUVD_CGC_GATE__SMP_MASK | 413 UVD_SUVD_CGC_GATE__SCM_MASK | 414 UVD_SUVD_CGC_GATE__SDB_MASK); 415 } 416 WREG32(mmUVD_CGC_GATE, data); 417 WREG32(mmUVD_SUVD_CGC_GATE, data1); 418 } 419 420 static void uvd_v6_0_set_uvd_dynamic_clock_mode(struct amdgpu_device *adev, 421 bool swmode) 422 { 423 u32 data, data1 = 0, data2; 424 425 /* Always un-gate UVD REGS bit */ 426 data = RREG32(mmUVD_CGC_GATE); 427 data &= ~(UVD_CGC_GATE__REGS_MASK); 428 WREG32(mmUVD_CGC_GATE, data); 429 430 data = RREG32(mmUVD_CGC_CTRL); 431 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 432 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 433 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 434 1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER) | 435 4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY); 436 437 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 438 if (swmode) { 439 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 440 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 441 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 442 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 443 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 444 UVD_CGC_CTRL__SYS_MODE_MASK | 445 UVD_CGC_CTRL__UDEC_MODE_MASK | 446 UVD_CGC_CTRL__MPEG2_MODE_MASK | 447 UVD_CGC_CTRL__REGS_MODE_MASK | 448 UVD_CGC_CTRL__RBC_MODE_MASK | 449 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 450 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 451 UVD_CGC_CTRL__IDCT_MODE_MASK | 452 UVD_CGC_CTRL__MPRD_MODE_MASK | 453 UVD_CGC_CTRL__MPC_MODE_MASK | 454 UVD_CGC_CTRL__LBSI_MODE_MASK | 455 UVD_CGC_CTRL__LRBBM_MODE_MASK | 456 UVD_CGC_CTRL__WCB_MODE_MASK | 457 UVD_CGC_CTRL__VCPU_MODE_MASK | 458 UVD_CGC_CTRL__JPEG_MODE_MASK | 459 UVD_CGC_CTRL__SCPU_MODE_MASK); 460 data1 |= UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK | 461 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK; 462 data1 &= ~UVD_CGC_CTRL2__GATER_DIV_ID_MASK; 463 data1 |= 7 << REG_FIELD_SHIFT(UVD_CGC_CTRL2, GATER_DIV_ID); 464 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 465 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 466 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 467 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 468 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 469 } else { 470 data |= UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 471 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 472 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 473 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 474 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 475 UVD_CGC_CTRL__SYS_MODE_MASK | 476 UVD_CGC_CTRL__UDEC_MODE_MASK | 477 UVD_CGC_CTRL__MPEG2_MODE_MASK | 478 UVD_CGC_CTRL__REGS_MODE_MASK | 479 UVD_CGC_CTRL__RBC_MODE_MASK | 480 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 481 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 482 UVD_CGC_CTRL__IDCT_MODE_MASK | 483 UVD_CGC_CTRL__MPRD_MODE_MASK | 484 UVD_CGC_CTRL__MPC_MODE_MASK | 485 UVD_CGC_CTRL__LBSI_MODE_MASK | 486 UVD_CGC_CTRL__LRBBM_MODE_MASK | 487 UVD_CGC_CTRL__WCB_MODE_MASK | 488 UVD_CGC_CTRL__VCPU_MODE_MASK | 489 UVD_CGC_CTRL__SCPU_MODE_MASK; 490 data2 |= UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 491 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 492 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 493 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 494 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK; 495 } 496 WREG32(mmUVD_CGC_CTRL, data); 497 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 498 499 data = RREG32_UVD_CTX(ixUVD_CGC_CTRL2); 500 data &= ~(REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) | 501 REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) | 502 REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID)); 503 data1 &= (REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) | 504 REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) | 505 REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID)); 506 data |= data1; 507 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, data); 508 } 509 510 /** 511 * uvd_v6_0_start - start UVD block 512 * 513 * @adev: amdgpu_device pointer 514 * 515 * Setup and start the UVD block 516 */ 517 static int uvd_v6_0_start(struct amdgpu_device *adev) 518 { 519 struct amdgpu_ring *ring = &adev->uvd.ring; 520 uint32_t rb_bufsz, tmp; 521 uint32_t lmi_swap_cntl; 522 uint32_t mp_swap_cntl; 523 int i, j, r; 524 525 /*disable DPG */ 526 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 527 528 /* disable byte swapping */ 529 lmi_swap_cntl = 0; 530 mp_swap_cntl = 0; 531 532 uvd_v6_0_mc_resume(adev); 533 534 /* Set dynamic clock gating in S/W control mode */ 535 if (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG) { 536 if (adev->flags & AMD_IS_APU) 537 cz_set_uvd_clock_gating_branches(adev, false); 538 else 539 tonga_set_uvd_clock_gating_branches(adev, false); 540 uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true); 541 } else { 542 /* disable clock gating */ 543 uint32_t data = RREG32(mmUVD_CGC_CTRL); 544 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 545 WREG32(mmUVD_CGC_CTRL, data); 546 } 547 548 /* disable interupt */ 549 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 550 551 /* stall UMC and register bus before resetting VCPU */ 552 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 553 mdelay(1); 554 555 /* put LMI, VCPU, RBC etc... into reset */ 556 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 557 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 558 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 559 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 560 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 561 mdelay(5); 562 563 /* take UVD block out of reset */ 564 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 565 mdelay(5); 566 567 /* initialize UVD memory controller */ 568 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 569 (1 << 21) | (1 << 9) | (1 << 20)); 570 571 #ifdef __BIG_ENDIAN 572 /* swap (8 in 32) RB and IB */ 573 lmi_swap_cntl = 0xa; 574 mp_swap_cntl = 0; 575 #endif 576 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 577 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 578 579 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 580 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 581 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 582 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 583 WREG32(mmUVD_MPC_SET_ALU, 0); 584 WREG32(mmUVD_MPC_SET_MUX, 0x88); 585 586 /* take all subblocks out of reset, except VCPU */ 587 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 588 mdelay(5); 589 590 /* enable VCPU clock */ 591 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 592 593 /* enable UMC */ 594 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 595 596 /* boot up the VCPU */ 597 WREG32(mmUVD_SOFT_RESET, 0); 598 mdelay(10); 599 600 for (i = 0; i < 10; ++i) { 601 uint32_t status; 602 603 for (j = 0; j < 100; ++j) { 604 status = RREG32(mmUVD_STATUS); 605 if (status & 2) 606 break; 607 mdelay(10); 608 } 609 r = 0; 610 if (status & 2) 611 break; 612 613 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 614 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 615 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 616 mdelay(10); 617 WREG32_P(mmUVD_SOFT_RESET, 0, 618 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 619 mdelay(10); 620 r = -1; 621 } 622 623 if (r) { 624 DRM_ERROR("UVD not responding, giving up!!!\n"); 625 return r; 626 } 627 /* enable master interrupt */ 628 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 629 630 /* clear the bit 4 of UVD_STATUS */ 631 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 632 633 rb_bufsz = order_base_2(ring->ring_size); 634 tmp = 0; 635 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 636 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 637 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 638 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 639 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 640 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 641 /* force RBC into idle state */ 642 WREG32(mmUVD_RBC_RB_CNTL, tmp); 643 644 /* set the write pointer delay */ 645 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 646 647 /* set the wb address */ 648 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 649 650 /* programm the RB_BASE for ring buffer */ 651 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 652 lower_32_bits(ring->gpu_addr)); 653 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 654 upper_32_bits(ring->gpu_addr)); 655 656 /* Initialize the ring buffer's read and write pointers */ 657 WREG32(mmUVD_RBC_RB_RPTR, 0); 658 659 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 660 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 661 662 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 663 664 return 0; 665 } 666 667 /** 668 * uvd_v6_0_stop - stop UVD block 669 * 670 * @adev: amdgpu_device pointer 671 * 672 * stop the UVD block 673 */ 674 static void uvd_v6_0_stop(struct amdgpu_device *adev) 675 { 676 /* force RBC into idle state */ 677 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 678 679 /* Stall UMC and register bus before resetting VCPU */ 680 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 681 mdelay(1); 682 683 /* put VCPU into reset */ 684 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 685 mdelay(5); 686 687 /* disable VCPU clock */ 688 WREG32(mmUVD_VCPU_CNTL, 0x0); 689 690 /* Unstall UMC and register bus */ 691 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 692 } 693 694 /** 695 * uvd_v6_0_ring_emit_fence - emit an fence & trap command 696 * 697 * @ring: amdgpu_ring pointer 698 * @fence: fence to emit 699 * 700 * Write a fence and a trap command to the ring. 701 */ 702 static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 703 unsigned flags) 704 { 705 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 706 707 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 708 amdgpu_ring_write(ring, seq); 709 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 710 amdgpu_ring_write(ring, addr & 0xffffffff); 711 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 712 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 713 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 714 amdgpu_ring_write(ring, 0); 715 716 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 717 amdgpu_ring_write(ring, 0); 718 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 719 amdgpu_ring_write(ring, 0); 720 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 721 amdgpu_ring_write(ring, 2); 722 } 723 724 /** 725 * uvd_v6_0_ring_emit_semaphore - emit semaphore command 726 * 727 * @ring: amdgpu_ring pointer 728 * @semaphore: semaphore to emit commands for 729 * @emit_wait: true if we should emit a wait command 730 * 731 * Emit a semaphore command (either wait or signal) to the UVD ring. 732 */ 733 static bool uvd_v6_0_ring_emit_semaphore(struct amdgpu_ring *ring, 734 struct amdgpu_semaphore *semaphore, 735 bool emit_wait) 736 { 737 uint64_t addr = semaphore->gpu_addr; 738 739 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_LOW, 0)); 740 amdgpu_ring_write(ring, (addr >> 3) & 0x000FFFFF); 741 742 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_ADDR_HIGH, 0)); 743 amdgpu_ring_write(ring, (addr >> 23) & 0x000FFFFF); 744 745 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CMD, 0)); 746 amdgpu_ring_write(ring, 0x80 | (emit_wait ? 1 : 0)); 747 748 return true; 749 } 750 751 /** 752 * uvd_v6_0_ring_test_ring - register write test 753 * 754 * @ring: amdgpu_ring pointer 755 * 756 * Test if we can successfully write to the context register 757 */ 758 static int uvd_v6_0_ring_test_ring(struct amdgpu_ring *ring) 759 { 760 struct amdgpu_device *adev = ring->adev; 761 uint32_t tmp = 0; 762 unsigned i; 763 int r; 764 765 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 766 r = amdgpu_ring_lock(ring, 3); 767 if (r) { 768 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 769 ring->idx, r); 770 return r; 771 } 772 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 773 amdgpu_ring_write(ring, 0xDEADBEEF); 774 amdgpu_ring_unlock_commit(ring); 775 for (i = 0; i < adev->usec_timeout; i++) { 776 tmp = RREG32(mmUVD_CONTEXT_ID); 777 if (tmp == 0xDEADBEEF) 778 break; 779 DRM_UDELAY(1); 780 } 781 782 if (i < adev->usec_timeout) { 783 DRM_INFO("ring test on %d succeeded in %d usecs\n", 784 ring->idx, i); 785 } else { 786 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 787 ring->idx, tmp); 788 r = -EINVAL; 789 } 790 return r; 791 } 792 793 /** 794 * uvd_v6_0_ring_emit_ib - execute indirect buffer 795 * 796 * @ring: amdgpu_ring pointer 797 * @ib: indirect buffer to execute 798 * 799 * Write ring commands to execute the indirect buffer 800 */ 801 static void uvd_v6_0_ring_emit_ib(struct amdgpu_ring *ring, 802 struct amdgpu_ib *ib) 803 { 804 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 805 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 806 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 807 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 808 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 809 amdgpu_ring_write(ring, ib->length_dw); 810 } 811 812 /** 813 * uvd_v6_0_ring_test_ib - test ib execution 814 * 815 * @ring: amdgpu_ring pointer 816 * 817 * Test if we can successfully execute an IB 818 */ 819 static int uvd_v6_0_ring_test_ib(struct amdgpu_ring *ring) 820 { 821 struct fence *fence = NULL; 822 int r; 823 824 r = amdgpu_uvd_get_create_msg(ring, 1, NULL); 825 if (r) { 826 DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); 827 goto error; 828 } 829 830 r = amdgpu_uvd_get_destroy_msg(ring, 1, &fence); 831 if (r) { 832 DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); 833 goto error; 834 } 835 836 r = fence_wait(fence, false); 837 if (r) { 838 DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); 839 goto error; 840 } 841 DRM_INFO("ib test on ring %d succeeded\n", ring->idx); 842 error: 843 fence_put(fence); 844 return r; 845 } 846 847 static bool uvd_v6_0_is_idle(void *handle) 848 { 849 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 850 851 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 852 } 853 854 static int uvd_v6_0_wait_for_idle(void *handle) 855 { 856 unsigned i; 857 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 858 859 for (i = 0; i < adev->usec_timeout; i++) { 860 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 861 return 0; 862 } 863 return -ETIMEDOUT; 864 } 865 866 static int uvd_v6_0_soft_reset(void *handle) 867 { 868 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 869 870 uvd_v6_0_stop(adev); 871 872 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 873 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 874 mdelay(5); 875 876 return uvd_v6_0_start(adev); 877 } 878 879 static void uvd_v6_0_print_status(void *handle) 880 { 881 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 882 dev_info(adev->dev, "UVD 6.0 registers\n"); 883 dev_info(adev->dev, " UVD_SEMA_ADDR_LOW=0x%08X\n", 884 RREG32(mmUVD_SEMA_ADDR_LOW)); 885 dev_info(adev->dev, " UVD_SEMA_ADDR_HIGH=0x%08X\n", 886 RREG32(mmUVD_SEMA_ADDR_HIGH)); 887 dev_info(adev->dev, " UVD_SEMA_CMD=0x%08X\n", 888 RREG32(mmUVD_SEMA_CMD)); 889 dev_info(adev->dev, " UVD_GPCOM_VCPU_CMD=0x%08X\n", 890 RREG32(mmUVD_GPCOM_VCPU_CMD)); 891 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA0=0x%08X\n", 892 RREG32(mmUVD_GPCOM_VCPU_DATA0)); 893 dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA1=0x%08X\n", 894 RREG32(mmUVD_GPCOM_VCPU_DATA1)); 895 dev_info(adev->dev, " UVD_ENGINE_CNTL=0x%08X\n", 896 RREG32(mmUVD_ENGINE_CNTL)); 897 dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n", 898 RREG32(mmUVD_UDEC_ADDR_CONFIG)); 899 dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n", 900 RREG32(mmUVD_UDEC_DB_ADDR_CONFIG)); 901 dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n", 902 RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG)); 903 dev_info(adev->dev, " UVD_SEMA_CNTL=0x%08X\n", 904 RREG32(mmUVD_SEMA_CNTL)); 905 dev_info(adev->dev, " UVD_LMI_EXT40_ADDR=0x%08X\n", 906 RREG32(mmUVD_LMI_EXT40_ADDR)); 907 dev_info(adev->dev, " UVD_CTX_INDEX=0x%08X\n", 908 RREG32(mmUVD_CTX_INDEX)); 909 dev_info(adev->dev, " UVD_CTX_DATA=0x%08X\n", 910 RREG32(mmUVD_CTX_DATA)); 911 dev_info(adev->dev, " UVD_CGC_GATE=0x%08X\n", 912 RREG32(mmUVD_CGC_GATE)); 913 dev_info(adev->dev, " UVD_CGC_CTRL=0x%08X\n", 914 RREG32(mmUVD_CGC_CTRL)); 915 dev_info(adev->dev, " UVD_LMI_CTRL2=0x%08X\n", 916 RREG32(mmUVD_LMI_CTRL2)); 917 dev_info(adev->dev, " UVD_MASTINT_EN=0x%08X\n", 918 RREG32(mmUVD_MASTINT_EN)); 919 dev_info(adev->dev, " UVD_LMI_ADDR_EXT=0x%08X\n", 920 RREG32(mmUVD_LMI_ADDR_EXT)); 921 dev_info(adev->dev, " UVD_LMI_CTRL=0x%08X\n", 922 RREG32(mmUVD_LMI_CTRL)); 923 dev_info(adev->dev, " UVD_LMI_SWAP_CNTL=0x%08X\n", 924 RREG32(mmUVD_LMI_SWAP_CNTL)); 925 dev_info(adev->dev, " UVD_MP_SWAP_CNTL=0x%08X\n", 926 RREG32(mmUVD_MP_SWAP_CNTL)); 927 dev_info(adev->dev, " UVD_MPC_SET_MUXA0=0x%08X\n", 928 RREG32(mmUVD_MPC_SET_MUXA0)); 929 dev_info(adev->dev, " UVD_MPC_SET_MUXA1=0x%08X\n", 930 RREG32(mmUVD_MPC_SET_MUXA1)); 931 dev_info(adev->dev, " UVD_MPC_SET_MUXB0=0x%08X\n", 932 RREG32(mmUVD_MPC_SET_MUXB0)); 933 dev_info(adev->dev, " UVD_MPC_SET_MUXB1=0x%08X\n", 934 RREG32(mmUVD_MPC_SET_MUXB1)); 935 dev_info(adev->dev, " UVD_MPC_SET_MUX=0x%08X\n", 936 RREG32(mmUVD_MPC_SET_MUX)); 937 dev_info(adev->dev, " UVD_MPC_SET_ALU=0x%08X\n", 938 RREG32(mmUVD_MPC_SET_ALU)); 939 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET0=0x%08X\n", 940 RREG32(mmUVD_VCPU_CACHE_OFFSET0)); 941 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE0=0x%08X\n", 942 RREG32(mmUVD_VCPU_CACHE_SIZE0)); 943 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET1=0x%08X\n", 944 RREG32(mmUVD_VCPU_CACHE_OFFSET1)); 945 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE1=0x%08X\n", 946 RREG32(mmUVD_VCPU_CACHE_SIZE1)); 947 dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET2=0x%08X\n", 948 RREG32(mmUVD_VCPU_CACHE_OFFSET2)); 949 dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE2=0x%08X\n", 950 RREG32(mmUVD_VCPU_CACHE_SIZE2)); 951 dev_info(adev->dev, " UVD_VCPU_CNTL=0x%08X\n", 952 RREG32(mmUVD_VCPU_CNTL)); 953 dev_info(adev->dev, " UVD_SOFT_RESET=0x%08X\n", 954 RREG32(mmUVD_SOFT_RESET)); 955 dev_info(adev->dev, " UVD_RBC_IB_SIZE=0x%08X\n", 956 RREG32(mmUVD_RBC_IB_SIZE)); 957 dev_info(adev->dev, " UVD_RBC_RB_RPTR=0x%08X\n", 958 RREG32(mmUVD_RBC_RB_RPTR)); 959 dev_info(adev->dev, " UVD_RBC_RB_WPTR=0x%08X\n", 960 RREG32(mmUVD_RBC_RB_WPTR)); 961 dev_info(adev->dev, " UVD_RBC_RB_WPTR_CNTL=0x%08X\n", 962 RREG32(mmUVD_RBC_RB_WPTR_CNTL)); 963 dev_info(adev->dev, " UVD_RBC_RB_CNTL=0x%08X\n", 964 RREG32(mmUVD_RBC_RB_CNTL)); 965 dev_info(adev->dev, " UVD_STATUS=0x%08X\n", 966 RREG32(mmUVD_STATUS)); 967 dev_info(adev->dev, " UVD_SEMA_TIMEOUT_STATUS=0x%08X\n", 968 RREG32(mmUVD_SEMA_TIMEOUT_STATUS)); 969 dev_info(adev->dev, " UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n", 970 RREG32(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL)); 971 dev_info(adev->dev, " UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL=0x%08X\n", 972 RREG32(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL)); 973 dev_info(adev->dev, " UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n", 974 RREG32(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL)); 975 dev_info(adev->dev, " UVD_CONTEXT_ID=0x%08X\n", 976 RREG32(mmUVD_CONTEXT_ID)); 977 } 978 979 static int uvd_v6_0_set_interrupt_state(struct amdgpu_device *adev, 980 struct amdgpu_irq_src *source, 981 unsigned type, 982 enum amdgpu_interrupt_state state) 983 { 984 // TODO 985 return 0; 986 } 987 988 static int uvd_v6_0_process_interrupt(struct amdgpu_device *adev, 989 struct amdgpu_irq_src *source, 990 struct amdgpu_iv_entry *entry) 991 { 992 DRM_DEBUG("IH: UVD TRAP\n"); 993 amdgpu_fence_process(&adev->uvd.ring); 994 return 0; 995 } 996 997 static int uvd_v6_0_set_clockgating_state(void *handle, 998 enum amd_clockgating_state state) 999 { 1000 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1001 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 1002 1003 if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) 1004 return 0; 1005 1006 if (enable) { 1007 if (adev->flags & AMD_IS_APU) 1008 cz_set_uvd_clock_gating_branches(adev, enable); 1009 else 1010 tonga_set_uvd_clock_gating_branches(adev, enable); 1011 uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true); 1012 } else { 1013 uint32_t data = RREG32(mmUVD_CGC_CTRL); 1014 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 1015 WREG32(mmUVD_CGC_CTRL, data); 1016 } 1017 1018 return 0; 1019 } 1020 1021 static int uvd_v6_0_set_powergating_state(void *handle, 1022 enum amd_powergating_state state) 1023 { 1024 /* This doesn't actually powergate the UVD block. 1025 * That's done in the dpm code via the SMC. This 1026 * just re-inits the block as necessary. The actual 1027 * gating still happens in the dpm code. We should 1028 * revisit this when there is a cleaner line between 1029 * the smc and the hw blocks 1030 */ 1031 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1032 1033 if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) 1034 return 0; 1035 1036 if (state == AMD_PG_STATE_GATE) { 1037 uvd_v6_0_stop(adev); 1038 return 0; 1039 } else { 1040 return uvd_v6_0_start(adev); 1041 } 1042 } 1043 1044 const struct amd_ip_funcs uvd_v6_0_ip_funcs = { 1045 .early_init = uvd_v6_0_early_init, 1046 .late_init = NULL, 1047 .sw_init = uvd_v6_0_sw_init, 1048 .sw_fini = uvd_v6_0_sw_fini, 1049 .hw_init = uvd_v6_0_hw_init, 1050 .hw_fini = uvd_v6_0_hw_fini, 1051 .suspend = uvd_v6_0_suspend, 1052 .resume = uvd_v6_0_resume, 1053 .is_idle = uvd_v6_0_is_idle, 1054 .wait_for_idle = uvd_v6_0_wait_for_idle, 1055 .soft_reset = uvd_v6_0_soft_reset, 1056 .print_status = uvd_v6_0_print_status, 1057 .set_clockgating_state = uvd_v6_0_set_clockgating_state, 1058 .set_powergating_state = uvd_v6_0_set_powergating_state, 1059 }; 1060 1061 static const struct amdgpu_ring_funcs uvd_v6_0_ring_funcs = { 1062 .get_rptr = uvd_v6_0_ring_get_rptr, 1063 .get_wptr = uvd_v6_0_ring_get_wptr, 1064 .set_wptr = uvd_v6_0_ring_set_wptr, 1065 .parse_cs = amdgpu_uvd_ring_parse_cs, 1066 .emit_ib = uvd_v6_0_ring_emit_ib, 1067 .emit_fence = uvd_v6_0_ring_emit_fence, 1068 .emit_semaphore = uvd_v6_0_ring_emit_semaphore, 1069 .test_ring = uvd_v6_0_ring_test_ring, 1070 .test_ib = uvd_v6_0_ring_test_ib, 1071 .insert_nop = amdgpu_ring_insert_nop, 1072 }; 1073 1074 static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev) 1075 { 1076 adev->uvd.ring.funcs = &uvd_v6_0_ring_funcs; 1077 } 1078 1079 static const struct amdgpu_irq_src_funcs uvd_v6_0_irq_funcs = { 1080 .set = uvd_v6_0_set_interrupt_state, 1081 .process = uvd_v6_0_process_interrupt, 1082 }; 1083 1084 static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev) 1085 { 1086 adev->uvd.irq.num_types = 1; 1087 adev->uvd.irq.funcs = &uvd_v6_0_irq_funcs; 1088 } 1089