1 /* 2 * Copyright 2018 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 <linux/firmware.h> 25 #include <drm/drm_drv.h> 26 27 #include "amdgpu.h" 28 #include "amdgpu_vcn.h" 29 #include "soc15.h" 30 #include "soc15d.h" 31 #include "amdgpu_pm.h" 32 #include "amdgpu_psp.h" 33 #include "mmsch_v2_0.h" 34 #include "vcn_v2_0.h" 35 36 #include "vcn/vcn_2_0_0_offset.h" 37 #include "vcn/vcn_2_0_0_sh_mask.h" 38 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h" 39 40 #define VCN_VID_SOC_ADDRESS_2_0 0x1fa00 41 #define VCN1_VID_SOC_ADDRESS_3_0 0x48200 42 43 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET 0x1fd 44 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET 0x503 45 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET 0x504 46 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET 0x505 47 #define mmUVD_NO_OP_INTERNAL_OFFSET 0x53f 48 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET 0x54a 49 #define mmUVD_SCRATCH9_INTERNAL_OFFSET 0xc01d 50 51 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET 0x1e1 52 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET 0x5a6 53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET 0x5a7 54 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET 0x1e2 55 56 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev); 57 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev); 58 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev); 59 static int vcn_v2_0_set_powergating_state(void *handle, 60 enum amd_powergating_state state); 61 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev, 62 int inst_idx, struct dpg_pause_state *new_state); 63 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev); 64 /** 65 * vcn_v2_0_early_init - set function pointers and load microcode 66 * 67 * @handle: amdgpu_device pointer 68 * 69 * Set ring and irq function pointers 70 * Load microcode from filesystem 71 */ 72 static int vcn_v2_0_early_init(void *handle) 73 { 74 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 75 76 if (amdgpu_sriov_vf(adev)) 77 adev->vcn.num_enc_rings = 1; 78 else 79 adev->vcn.num_enc_rings = 2; 80 81 vcn_v2_0_set_dec_ring_funcs(adev); 82 vcn_v2_0_set_enc_ring_funcs(adev); 83 vcn_v2_0_set_irq_funcs(adev); 84 85 return amdgpu_vcn_early_init(adev); 86 } 87 88 /** 89 * vcn_v2_0_sw_init - sw init for VCN block 90 * 91 * @handle: amdgpu_device pointer 92 * 93 * Load firmware and sw initialization 94 */ 95 static int vcn_v2_0_sw_init(void *handle) 96 { 97 struct amdgpu_ring *ring; 98 int i, r; 99 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 100 volatile struct amdgpu_fw_shared *fw_shared; 101 102 /* VCN DEC TRAP */ 103 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 104 VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, 105 &adev->vcn.inst->irq); 106 if (r) 107 return r; 108 109 /* VCN ENC TRAP */ 110 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 111 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 112 i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, 113 &adev->vcn.inst->irq); 114 if (r) 115 return r; 116 } 117 118 r = amdgpu_vcn_sw_init(adev); 119 if (r) 120 return r; 121 122 amdgpu_vcn_setup_ucode(adev); 123 124 r = amdgpu_vcn_resume(adev); 125 if (r) 126 return r; 127 128 ring = &adev->vcn.inst->ring_dec; 129 130 ring->use_doorbell = true; 131 ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1; 132 ring->vm_hub = AMDGPU_MMHUB_0; 133 134 sprintf(ring->name, "vcn_dec"); 135 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0, 136 AMDGPU_RING_PRIO_DEFAULT, NULL); 137 if (r) 138 return r; 139 140 adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET; 141 adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET; 142 adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET; 143 adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET; 144 adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET; 145 adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET; 146 147 adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET; 148 adev->vcn.inst->external.scratch9 = SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9); 149 adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET; 150 adev->vcn.inst->external.data0 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0); 151 adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET; 152 adev->vcn.inst->external.data1 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1); 153 adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET; 154 adev->vcn.inst->external.cmd = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD); 155 adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET; 156 adev->vcn.inst->external.nop = SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP); 157 158 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 159 enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i); 160 161 ring = &adev->vcn.inst->ring_enc[i]; 162 ring->use_doorbell = true; 163 ring->vm_hub = AMDGPU_MMHUB_0; 164 if (!amdgpu_sriov_vf(adev)) 165 ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i; 166 else 167 ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i; 168 sprintf(ring->name, "vcn_enc%d", i); 169 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0, 170 hw_prio, NULL); 171 if (r) 172 return r; 173 } 174 175 adev->vcn.pause_dpg_mode = vcn_v2_0_pause_dpg_mode; 176 177 r = amdgpu_virt_alloc_mm_table(adev); 178 if (r) 179 return r; 180 181 fw_shared = adev->vcn.inst->fw_shared.cpu_addr; 182 fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG); 183 184 if (amdgpu_vcnfw_log) 185 amdgpu_vcn_fwlog_init(adev->vcn.inst); 186 187 return 0; 188 } 189 190 /** 191 * vcn_v2_0_sw_fini - sw fini for VCN block 192 * 193 * @handle: amdgpu_device pointer 194 * 195 * VCN suspend and free up sw allocation 196 */ 197 static int vcn_v2_0_sw_fini(void *handle) 198 { 199 int r, idx; 200 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 201 volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr; 202 203 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 204 fw_shared->present_flag_0 = 0; 205 drm_dev_exit(idx); 206 } 207 208 amdgpu_virt_free_mm_table(adev); 209 210 r = amdgpu_vcn_suspend(adev); 211 if (r) 212 return r; 213 214 r = amdgpu_vcn_sw_fini(adev); 215 216 return r; 217 } 218 219 /** 220 * vcn_v2_0_hw_init - start and test VCN block 221 * 222 * @handle: amdgpu_device pointer 223 * 224 * Initialize the hardware, boot up the VCPU and do some testing 225 */ 226 static int vcn_v2_0_hw_init(void *handle) 227 { 228 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 229 struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec; 230 int i, r; 231 232 adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, 233 ring->doorbell_index, 0); 234 235 if (amdgpu_sriov_vf(adev)) 236 vcn_v2_0_start_sriov(adev); 237 238 r = amdgpu_ring_test_helper(ring); 239 if (r) 240 goto done; 241 242 //Disable vcn decode for sriov 243 if (amdgpu_sriov_vf(adev)) 244 ring->sched.ready = false; 245 246 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 247 ring = &adev->vcn.inst->ring_enc[i]; 248 r = amdgpu_ring_test_helper(ring); 249 if (r) 250 goto done; 251 } 252 253 done: 254 if (!r) 255 DRM_INFO("VCN decode and encode initialized successfully(under %s).\n", 256 (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode"); 257 258 return r; 259 } 260 261 /** 262 * vcn_v2_0_hw_fini - stop the hardware block 263 * 264 * @handle: amdgpu_device pointer 265 * 266 * Stop the VCN block, mark ring as not ready any more 267 */ 268 static int vcn_v2_0_hw_fini(void *handle) 269 { 270 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 271 272 cancel_delayed_work_sync(&adev->vcn.idle_work); 273 274 if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || 275 (adev->vcn.cur_state != AMD_PG_STATE_GATE && 276 RREG32_SOC15(VCN, 0, mmUVD_STATUS))) 277 vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE); 278 279 return 0; 280 } 281 282 /** 283 * vcn_v2_0_suspend - suspend VCN block 284 * 285 * @handle: amdgpu_device pointer 286 * 287 * HW fini and suspend VCN block 288 */ 289 static int vcn_v2_0_suspend(void *handle) 290 { 291 int r; 292 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 293 294 r = vcn_v2_0_hw_fini(adev); 295 if (r) 296 return r; 297 298 r = amdgpu_vcn_suspend(adev); 299 300 return r; 301 } 302 303 /** 304 * vcn_v2_0_resume - resume VCN block 305 * 306 * @handle: amdgpu_device pointer 307 * 308 * Resume firmware and hw init VCN block 309 */ 310 static int vcn_v2_0_resume(void *handle) 311 { 312 int r; 313 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 314 315 r = amdgpu_vcn_resume(adev); 316 if (r) 317 return r; 318 319 r = vcn_v2_0_hw_init(adev); 320 321 return r; 322 } 323 324 /** 325 * vcn_v2_0_mc_resume - memory controller programming 326 * 327 * @adev: amdgpu_device pointer 328 * 329 * Let the VCN memory controller know it's offsets 330 */ 331 static void vcn_v2_0_mc_resume(struct amdgpu_device *adev) 332 { 333 uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); 334 uint32_t offset; 335 336 if (amdgpu_sriov_vf(adev)) 337 return; 338 339 /* cache window 0: fw */ 340 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 341 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 342 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo)); 343 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 344 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi)); 345 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0); 346 offset = 0; 347 } else { 348 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 349 lower_32_bits(adev->vcn.inst->gpu_addr)); 350 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 351 upper_32_bits(adev->vcn.inst->gpu_addr)); 352 offset = size; 353 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 354 AMDGPU_UVD_FIRMWARE_OFFSET >> 3); 355 } 356 357 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size); 358 359 /* cache window 1: stack */ 360 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW, 361 lower_32_bits(adev->vcn.inst->gpu_addr + offset)); 362 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH, 363 upper_32_bits(adev->vcn.inst->gpu_addr + offset)); 364 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0); 365 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE); 366 367 /* cache window 2: context */ 368 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW, 369 lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE)); 370 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH, 371 upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE)); 372 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0); 373 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE); 374 375 /* non-cache window */ 376 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW, 377 lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr)); 378 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH, 379 upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr)); 380 WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0); 381 WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0, 382 AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared))); 383 384 WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 385 } 386 387 static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect) 388 { 389 uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); 390 uint32_t offset; 391 392 /* cache window 0: fw */ 393 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 394 if (!indirect) { 395 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 396 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 397 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect); 398 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 399 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 400 (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect); 401 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 402 UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect); 403 } else { 404 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 405 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect); 406 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 407 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect); 408 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 409 UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect); 410 } 411 offset = 0; 412 } else { 413 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 414 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 415 lower_32_bits(adev->vcn.inst->gpu_addr), 0, indirect); 416 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 417 UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 418 upper_32_bits(adev->vcn.inst->gpu_addr), 0, indirect); 419 offset = size; 420 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 421 UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 422 AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect); 423 } 424 425 if (!indirect) 426 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 427 UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect); 428 else 429 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 430 UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect); 431 432 /* cache window 1: stack */ 433 if (!indirect) { 434 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 435 UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 436 lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect); 437 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 438 UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 439 upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect); 440 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 441 UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect); 442 } else { 443 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 444 UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect); 445 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 446 UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect); 447 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 448 UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect); 449 } 450 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 451 UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect); 452 453 /* cache window 2: context */ 454 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 455 UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), 456 lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect); 457 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 458 UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), 459 upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect); 460 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 461 UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect); 462 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 463 UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect); 464 465 /* non-cache window */ 466 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 467 UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 468 lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect); 469 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 470 UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 471 upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect); 472 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 473 UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect); 474 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 475 UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0), 476 AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect); 477 478 /* VCN global tiling registers */ 479 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 480 UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect); 481 } 482 483 /** 484 * vcn_v2_0_disable_clock_gating - disable VCN clock gating 485 * 486 * @adev: amdgpu_device pointer 487 * 488 * Disable clock gating for VCN block 489 */ 490 static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev) 491 { 492 uint32_t data; 493 494 if (amdgpu_sriov_vf(adev)) 495 return; 496 497 /* UVD disable CGC */ 498 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 499 if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG) 500 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 501 else 502 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 503 data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 504 data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 505 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 506 507 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE); 508 data &= ~(UVD_CGC_GATE__SYS_MASK 509 | UVD_CGC_GATE__UDEC_MASK 510 | UVD_CGC_GATE__MPEG2_MASK 511 | UVD_CGC_GATE__REGS_MASK 512 | UVD_CGC_GATE__RBC_MASK 513 | UVD_CGC_GATE__LMI_MC_MASK 514 | UVD_CGC_GATE__LMI_UMC_MASK 515 | UVD_CGC_GATE__IDCT_MASK 516 | UVD_CGC_GATE__MPRD_MASK 517 | UVD_CGC_GATE__MPC_MASK 518 | UVD_CGC_GATE__LBSI_MASK 519 | UVD_CGC_GATE__LRBBM_MASK 520 | UVD_CGC_GATE__UDEC_RE_MASK 521 | UVD_CGC_GATE__UDEC_CM_MASK 522 | UVD_CGC_GATE__UDEC_IT_MASK 523 | UVD_CGC_GATE__UDEC_DB_MASK 524 | UVD_CGC_GATE__UDEC_MP_MASK 525 | UVD_CGC_GATE__WCB_MASK 526 | UVD_CGC_GATE__VCPU_MASK 527 | UVD_CGC_GATE__SCPU_MASK); 528 WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data); 529 530 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 531 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK 532 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK 533 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK 534 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK 535 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK 536 | UVD_CGC_CTRL__SYS_MODE_MASK 537 | UVD_CGC_CTRL__UDEC_MODE_MASK 538 | UVD_CGC_CTRL__MPEG2_MODE_MASK 539 | UVD_CGC_CTRL__REGS_MODE_MASK 540 | UVD_CGC_CTRL__RBC_MODE_MASK 541 | UVD_CGC_CTRL__LMI_MC_MODE_MASK 542 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK 543 | UVD_CGC_CTRL__IDCT_MODE_MASK 544 | UVD_CGC_CTRL__MPRD_MODE_MASK 545 | UVD_CGC_CTRL__MPC_MODE_MASK 546 | UVD_CGC_CTRL__LBSI_MODE_MASK 547 | UVD_CGC_CTRL__LRBBM_MODE_MASK 548 | UVD_CGC_CTRL__WCB_MODE_MASK 549 | UVD_CGC_CTRL__VCPU_MODE_MASK 550 | UVD_CGC_CTRL__SCPU_MODE_MASK); 551 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 552 553 /* turn on */ 554 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE); 555 data |= (UVD_SUVD_CGC_GATE__SRE_MASK 556 | UVD_SUVD_CGC_GATE__SIT_MASK 557 | UVD_SUVD_CGC_GATE__SMP_MASK 558 | UVD_SUVD_CGC_GATE__SCM_MASK 559 | UVD_SUVD_CGC_GATE__SDB_MASK 560 | UVD_SUVD_CGC_GATE__SRE_H264_MASK 561 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK 562 | UVD_SUVD_CGC_GATE__SIT_H264_MASK 563 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK 564 | UVD_SUVD_CGC_GATE__SCM_H264_MASK 565 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK 566 | UVD_SUVD_CGC_GATE__SDB_H264_MASK 567 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK 568 | UVD_SUVD_CGC_GATE__SCLR_MASK 569 | UVD_SUVD_CGC_GATE__UVD_SC_MASK 570 | UVD_SUVD_CGC_GATE__ENT_MASK 571 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK 572 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK 573 | UVD_SUVD_CGC_GATE__SITE_MASK 574 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK 575 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK 576 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK 577 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK 578 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK); 579 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data); 580 581 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL); 582 data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK 583 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK 584 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK 585 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK 586 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK 587 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK 588 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK 589 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK 590 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK 591 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK); 592 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); 593 } 594 595 static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev, 596 uint8_t sram_sel, uint8_t indirect) 597 { 598 uint32_t reg_data = 0; 599 600 /* enable sw clock gating control */ 601 if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG) 602 reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 603 else 604 reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 605 reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 606 reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 607 reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 608 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 609 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 610 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 611 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 612 UVD_CGC_CTRL__SYS_MODE_MASK | 613 UVD_CGC_CTRL__UDEC_MODE_MASK | 614 UVD_CGC_CTRL__MPEG2_MODE_MASK | 615 UVD_CGC_CTRL__REGS_MODE_MASK | 616 UVD_CGC_CTRL__RBC_MODE_MASK | 617 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 618 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 619 UVD_CGC_CTRL__IDCT_MODE_MASK | 620 UVD_CGC_CTRL__MPRD_MODE_MASK | 621 UVD_CGC_CTRL__MPC_MODE_MASK | 622 UVD_CGC_CTRL__LBSI_MODE_MASK | 623 UVD_CGC_CTRL__LRBBM_MODE_MASK | 624 UVD_CGC_CTRL__WCB_MODE_MASK | 625 UVD_CGC_CTRL__VCPU_MODE_MASK | 626 UVD_CGC_CTRL__SCPU_MODE_MASK); 627 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 628 UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect); 629 630 /* turn off clock gating */ 631 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 632 UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect); 633 634 /* turn on SUVD clock gating */ 635 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 636 UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect); 637 638 /* turn on sw mode in UVD_SUVD_CGC_CTRL */ 639 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 640 UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect); 641 } 642 643 /** 644 * vcn_v2_0_enable_clock_gating - enable VCN clock gating 645 * 646 * @adev: amdgpu_device pointer 647 * 648 * Enable clock gating for VCN block 649 */ 650 static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev) 651 { 652 uint32_t data = 0; 653 654 if (amdgpu_sriov_vf(adev)) 655 return; 656 657 /* enable UVD CGC */ 658 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 659 if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG) 660 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 661 else 662 data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 663 data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 664 data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 665 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 666 667 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 668 data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK 669 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK 670 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK 671 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK 672 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK 673 | UVD_CGC_CTRL__SYS_MODE_MASK 674 | UVD_CGC_CTRL__UDEC_MODE_MASK 675 | UVD_CGC_CTRL__MPEG2_MODE_MASK 676 | UVD_CGC_CTRL__REGS_MODE_MASK 677 | UVD_CGC_CTRL__RBC_MODE_MASK 678 | UVD_CGC_CTRL__LMI_MC_MODE_MASK 679 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK 680 | UVD_CGC_CTRL__IDCT_MODE_MASK 681 | UVD_CGC_CTRL__MPRD_MODE_MASK 682 | UVD_CGC_CTRL__MPC_MODE_MASK 683 | UVD_CGC_CTRL__LBSI_MODE_MASK 684 | UVD_CGC_CTRL__LRBBM_MODE_MASK 685 | UVD_CGC_CTRL__WCB_MODE_MASK 686 | UVD_CGC_CTRL__VCPU_MODE_MASK 687 | UVD_CGC_CTRL__SCPU_MODE_MASK); 688 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 689 690 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL); 691 data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK 692 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK 693 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK 694 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK 695 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK 696 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK 697 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK 698 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK 699 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK 700 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK); 701 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); 702 } 703 704 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev) 705 { 706 uint32_t data = 0; 707 708 if (amdgpu_sriov_vf(adev)) 709 return; 710 711 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) { 712 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT 713 | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT 714 | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT 715 | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT 716 | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT 717 | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT 718 | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT 719 | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT 720 | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT 721 | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT); 722 723 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); 724 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 725 UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF); 726 } else { 727 data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT 728 | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT 729 | 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT 730 | 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT 731 | 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT 732 | 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT 733 | 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT 734 | 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT 735 | 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT 736 | 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT); 737 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); 738 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0, 0xFFFFF); 739 } 740 741 /* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS, 742 * UVDU_PWR_STATUS are 0 (power on) */ 743 744 data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS); 745 data &= ~0x103; 746 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) 747 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | 748 UVD_POWER_STATUS__UVD_PG_EN_MASK; 749 750 WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data); 751 } 752 753 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev) 754 { 755 uint32_t data = 0; 756 757 if (amdgpu_sriov_vf(adev)) 758 return; 759 760 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) { 761 /* Before power off, this indicator has to be turned on */ 762 data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS); 763 data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK; 764 data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF; 765 WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data); 766 767 768 data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT 769 | 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT 770 | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT 771 | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT 772 | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT 773 | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT 774 | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT 775 | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT 776 | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT 777 | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT); 778 779 WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); 780 781 data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT 782 | 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT 783 | 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT 784 | 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT 785 | 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT 786 | 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT 787 | 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT 788 | 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT 789 | 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT 790 | 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT); 791 SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF); 792 } 793 } 794 795 static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect) 796 { 797 volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr; 798 struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec; 799 uint32_t rb_bufsz, tmp; 800 801 vcn_v2_0_enable_static_power_gating(adev); 802 803 /* enable dynamic power gating mode */ 804 tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS); 805 tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK; 806 tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK; 807 WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp); 808 809 if (indirect) 810 adev->vcn.inst->dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst->dpg_sram_cpu_addr; 811 812 /* enable clock gating */ 813 vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect); 814 815 /* enable VCPU clock */ 816 tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT); 817 tmp |= UVD_VCPU_CNTL__CLK_EN_MASK; 818 tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK; 819 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 820 UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect); 821 822 /* disable master interupt */ 823 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 824 UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect); 825 826 /* setup mmUVD_LMI_CTRL */ 827 tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | 828 UVD_LMI_CTRL__REQ_MODE_MASK | 829 UVD_LMI_CTRL__CRC_RESET_MASK | 830 UVD_LMI_CTRL__MASK_MC_URGENT_MASK | 831 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | 832 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | 833 (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | 834 0x00100000L); 835 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 836 UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect); 837 838 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 839 UVD, 0, mmUVD_MPC_CNTL), 840 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect); 841 842 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 843 UVD, 0, mmUVD_MPC_SET_MUXA0), 844 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) | 845 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) | 846 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) | 847 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect); 848 849 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 850 UVD, 0, mmUVD_MPC_SET_MUXB0), 851 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) | 852 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) | 853 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) | 854 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect); 855 856 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 857 UVD, 0, mmUVD_MPC_SET_MUX), 858 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) | 859 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) | 860 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect); 861 862 vcn_v2_0_mc_resume_dpg_mode(adev, indirect); 863 864 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 865 UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect); 866 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 867 UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect); 868 869 /* release VCPU reset to boot */ 870 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 871 UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect); 872 873 /* enable LMI MC and UMC channels */ 874 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 875 UVD, 0, mmUVD_LMI_CTRL2), 876 0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect); 877 878 /* enable master interrupt */ 879 WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET( 880 UVD, 0, mmUVD_MASTINT_EN), 881 UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect); 882 883 if (indirect) 884 psp_update_vcn_sram(adev, 0, adev->vcn.inst->dpg_sram_gpu_addr, 885 (uint32_t)((uintptr_t)adev->vcn.inst->dpg_sram_curr_addr - 886 (uintptr_t)adev->vcn.inst->dpg_sram_cpu_addr)); 887 888 /* force RBC into idle state */ 889 rb_bufsz = order_base_2(ring->ring_size); 890 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 891 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 892 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 893 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 894 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 895 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp); 896 897 /* Stall DPG before WPTR/RPTR reset */ 898 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 899 UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK, 900 ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); 901 fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET; 902 903 /* set the write pointer delay */ 904 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0); 905 906 /* set the wb address */ 907 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR, 908 (upper_32_bits(ring->gpu_addr) >> 2)); 909 910 /* program the RB_BASE for ring buffer */ 911 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 912 lower_32_bits(ring->gpu_addr)); 913 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 914 upper_32_bits(ring->gpu_addr)); 915 916 /* Initialize the ring buffer's read and write pointers */ 917 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0); 918 919 WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0); 920 921 ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 922 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, 923 lower_32_bits(ring->wptr)); 924 925 fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET; 926 /* Unstall DPG */ 927 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 928 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); 929 return 0; 930 } 931 932 static int vcn_v2_0_start(struct amdgpu_device *adev) 933 { 934 volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr; 935 struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec; 936 uint32_t rb_bufsz, tmp; 937 uint32_t lmi_swap_cntl; 938 int i, j, r; 939 940 if (adev->pm.dpm_enabled) 941 amdgpu_dpm_enable_uvd(adev, true); 942 943 if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) 944 return vcn_v2_0_start_dpg_mode(adev, adev->vcn.indirect_sram); 945 946 vcn_v2_0_disable_static_power_gating(adev); 947 948 /* set uvd status busy */ 949 tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY; 950 WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp); 951 952 /*SW clock gating */ 953 vcn_v2_0_disable_clock_gating(adev); 954 955 /* enable VCPU clock */ 956 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 957 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK); 958 959 /* disable master interrupt */ 960 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0, 961 ~UVD_MASTINT_EN__VCPU_EN_MASK); 962 963 /* setup mmUVD_LMI_CTRL */ 964 tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL); 965 WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp | 966 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | 967 UVD_LMI_CTRL__MASK_MC_URGENT_MASK | 968 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | 969 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK); 970 971 /* setup mmUVD_MPC_CNTL */ 972 tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL); 973 tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK; 974 tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT; 975 WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp); 976 977 /* setup UVD_MPC_SET_MUXA0 */ 978 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0, 979 ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) | 980 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) | 981 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) | 982 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT))); 983 984 /* setup UVD_MPC_SET_MUXB0 */ 985 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0, 986 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) | 987 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) | 988 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) | 989 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT))); 990 991 /* setup mmUVD_MPC_SET_MUX */ 992 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX, 993 ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) | 994 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) | 995 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT))); 996 997 vcn_v2_0_mc_resume(adev); 998 999 /* release VCPU reset to boot */ 1000 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0, 1001 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 1002 1003 /* enable LMI MC and UMC channels */ 1004 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, 1005 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 1006 1007 tmp = RREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET); 1008 tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK; 1009 tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK; 1010 WREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET, tmp); 1011 1012 /* disable byte swapping */ 1013 lmi_swap_cntl = 0; 1014 #ifdef __BIG_ENDIAN 1015 /* swap (8 in 32) RB and IB */ 1016 lmi_swap_cntl = 0xa; 1017 #endif 1018 WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 1019 1020 for (i = 0; i < 10; ++i) { 1021 uint32_t status; 1022 1023 for (j = 0; j < 100; ++j) { 1024 status = RREG32_SOC15(UVD, 0, mmUVD_STATUS); 1025 if (status & 2) 1026 break; 1027 mdelay(10); 1028 } 1029 r = 0; 1030 if (status & 2) 1031 break; 1032 1033 DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n"); 1034 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 1035 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 1036 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 1037 mdelay(10); 1038 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0, 1039 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 1040 mdelay(10); 1041 r = -1; 1042 } 1043 1044 if (r) { 1045 DRM_ERROR("VCN decode not responding, giving up!!!\n"); 1046 return r; 1047 } 1048 1049 /* enable master interrupt */ 1050 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 1051 UVD_MASTINT_EN__VCPU_EN_MASK, 1052 ~UVD_MASTINT_EN__VCPU_EN_MASK); 1053 1054 /* clear the busy bit of VCN_STATUS */ 1055 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0, 1056 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT)); 1057 1058 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0); 1059 1060 /* force RBC into idle state */ 1061 rb_bufsz = order_base_2(ring->ring_size); 1062 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 1063 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 1064 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 1065 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 1066 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 1067 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp); 1068 1069 fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET; 1070 /* program the RB_BASE for ring buffer */ 1071 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 1072 lower_32_bits(ring->gpu_addr)); 1073 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 1074 upper_32_bits(ring->gpu_addr)); 1075 1076 /* Initialize the ring buffer's read and write pointers */ 1077 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0); 1078 1079 ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 1080 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, 1081 lower_32_bits(ring->wptr)); 1082 fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET; 1083 1084 fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET; 1085 ring = &adev->vcn.inst->ring_enc[0]; 1086 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr)); 1087 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); 1088 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr); 1089 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 1090 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4); 1091 fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET; 1092 1093 fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET; 1094 ring = &adev->vcn.inst->ring_enc[1]; 1095 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr)); 1096 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); 1097 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr); 1098 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 1099 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4); 1100 fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET; 1101 1102 return 0; 1103 } 1104 1105 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev) 1106 { 1107 struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE}; 1108 uint32_t tmp; 1109 1110 vcn_v2_0_pause_dpg_mode(adev, 0, &state); 1111 /* Wait for power status to be 1 */ 1112 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1, 1113 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); 1114 1115 /* wait for read ptr to be equal to write ptr */ 1116 tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR); 1117 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF); 1118 1119 tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2); 1120 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF); 1121 1122 tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF; 1123 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF); 1124 1125 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1, 1126 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); 1127 1128 /* disable dynamic power gating mode */ 1129 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0, 1130 ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); 1131 1132 return 0; 1133 } 1134 1135 static int vcn_v2_0_stop(struct amdgpu_device *adev) 1136 { 1137 uint32_t tmp; 1138 int r; 1139 1140 if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) { 1141 r = vcn_v2_0_stop_dpg_mode(adev); 1142 if (r) 1143 return r; 1144 goto power_off; 1145 } 1146 1147 /* wait for uvd idle */ 1148 r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7); 1149 if (r) 1150 return r; 1151 1152 tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK | 1153 UVD_LMI_STATUS__READ_CLEAN_MASK | 1154 UVD_LMI_STATUS__WRITE_CLEAN_MASK | 1155 UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK; 1156 r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp); 1157 if (r) 1158 return r; 1159 1160 /* stall UMC channel */ 1161 tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2); 1162 tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK; 1163 WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp); 1164 1165 tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK| 1166 UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK; 1167 r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp); 1168 if (r) 1169 return r; 1170 1171 /* disable VCPU clock */ 1172 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0, 1173 ~(UVD_VCPU_CNTL__CLK_EN_MASK)); 1174 1175 /* reset LMI UMC */ 1176 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 1177 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK, 1178 ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 1179 1180 /* reset LMI */ 1181 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 1182 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK, 1183 ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK); 1184 1185 /* reset VCPU */ 1186 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 1187 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 1188 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 1189 1190 /* clear status */ 1191 WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0); 1192 1193 vcn_v2_0_enable_clock_gating(adev); 1194 vcn_v2_0_enable_static_power_gating(adev); 1195 1196 power_off: 1197 if (adev->pm.dpm_enabled) 1198 amdgpu_dpm_enable_uvd(adev, false); 1199 1200 return 0; 1201 } 1202 1203 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev, 1204 int inst_idx, struct dpg_pause_state *new_state) 1205 { 1206 struct amdgpu_ring *ring; 1207 uint32_t reg_data = 0; 1208 int ret_code; 1209 1210 /* pause/unpause if state is changed */ 1211 if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) { 1212 DRM_DEBUG("dpg pause state changed %d -> %d", 1213 adev->vcn.inst[inst_idx].pause_state.fw_based, new_state->fw_based); 1214 reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) & 1215 (~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK); 1216 1217 if (new_state->fw_based == VCN_DPG_STATE__PAUSE) { 1218 ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1, 1219 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); 1220 1221 if (!ret_code) { 1222 volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr; 1223 /* pause DPG */ 1224 reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK; 1225 WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data); 1226 1227 /* wait for ACK */ 1228 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE, 1229 UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, 1230 UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK); 1231 1232 /* Stall DPG before WPTR/RPTR reset */ 1233 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 1234 UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK, 1235 ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); 1236 /* Restore */ 1237 fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET; 1238 ring = &adev->vcn.inst->ring_enc[0]; 1239 ring->wptr = 0; 1240 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr); 1241 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 1242 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4); 1243 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr)); 1244 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); 1245 fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET; 1246 1247 fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET; 1248 ring = &adev->vcn.inst->ring_enc[1]; 1249 ring->wptr = 0; 1250 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr); 1251 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 1252 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4); 1253 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr)); 1254 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); 1255 fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET; 1256 1257 fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET; 1258 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, 1259 RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF); 1260 fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET; 1261 /* Unstall DPG */ 1262 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 1263 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); 1264 1265 SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1266 UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, 1267 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); 1268 } 1269 } else { 1270 /* unpause dpg, no need to wait */ 1271 reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK; 1272 WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data); 1273 } 1274 adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based; 1275 } 1276 1277 return 0; 1278 } 1279 1280 static bool vcn_v2_0_is_idle(void *handle) 1281 { 1282 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1283 1284 return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE); 1285 } 1286 1287 static int vcn_v2_0_wait_for_idle(void *handle) 1288 { 1289 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1290 int ret; 1291 1292 ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 1293 UVD_STATUS__IDLE); 1294 1295 return ret; 1296 } 1297 1298 static int vcn_v2_0_set_clockgating_state(void *handle, 1299 enum amd_clockgating_state state) 1300 { 1301 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1302 bool enable = (state == AMD_CG_STATE_GATE); 1303 1304 if (amdgpu_sriov_vf(adev)) 1305 return 0; 1306 1307 if (enable) { 1308 /* wait for STATUS to clear */ 1309 if (!vcn_v2_0_is_idle(handle)) 1310 return -EBUSY; 1311 vcn_v2_0_enable_clock_gating(adev); 1312 } else { 1313 /* disable HW gating and enable Sw gating */ 1314 vcn_v2_0_disable_clock_gating(adev); 1315 } 1316 return 0; 1317 } 1318 1319 /** 1320 * vcn_v2_0_dec_ring_get_rptr - get read pointer 1321 * 1322 * @ring: amdgpu_ring pointer 1323 * 1324 * Returns the current hardware read pointer 1325 */ 1326 static uint64_t vcn_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring) 1327 { 1328 struct amdgpu_device *adev = ring->adev; 1329 1330 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 1331 } 1332 1333 /** 1334 * vcn_v2_0_dec_ring_get_wptr - get write pointer 1335 * 1336 * @ring: amdgpu_ring pointer 1337 * 1338 * Returns the current hardware write pointer 1339 */ 1340 static uint64_t vcn_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring) 1341 { 1342 struct amdgpu_device *adev = ring->adev; 1343 1344 if (ring->use_doorbell) 1345 return *ring->wptr_cpu_addr; 1346 else 1347 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR); 1348 } 1349 1350 /** 1351 * vcn_v2_0_dec_ring_set_wptr - set write pointer 1352 * 1353 * @ring: amdgpu_ring pointer 1354 * 1355 * Commits the write pointer to the hardware 1356 */ 1357 static void vcn_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring) 1358 { 1359 struct amdgpu_device *adev = ring->adev; 1360 1361 if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) 1362 WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 1363 lower_32_bits(ring->wptr) | 0x80000000); 1364 1365 if (ring->use_doorbell) { 1366 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 1367 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 1368 } else { 1369 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 1370 } 1371 } 1372 1373 /** 1374 * vcn_v2_0_dec_ring_insert_start - insert a start command 1375 * 1376 * @ring: amdgpu_ring pointer 1377 * 1378 * Write a start command to the ring. 1379 */ 1380 void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring) 1381 { 1382 struct amdgpu_device *adev = ring->adev; 1383 1384 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0)); 1385 amdgpu_ring_write(ring, 0); 1386 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1387 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1)); 1388 } 1389 1390 /** 1391 * vcn_v2_0_dec_ring_insert_end - insert a end command 1392 * 1393 * @ring: amdgpu_ring pointer 1394 * 1395 * Write a end command to the ring. 1396 */ 1397 void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring) 1398 { 1399 struct amdgpu_device *adev = ring->adev; 1400 1401 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1402 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1)); 1403 } 1404 1405 /** 1406 * vcn_v2_0_dec_ring_insert_nop - insert a nop command 1407 * 1408 * @ring: amdgpu_ring pointer 1409 * @count: the number of NOP packets to insert 1410 * 1411 * Write a nop command to the ring. 1412 */ 1413 void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 1414 { 1415 struct amdgpu_device *adev = ring->adev; 1416 int i; 1417 1418 WARN_ON(ring->wptr % 2 || count % 2); 1419 1420 for (i = 0; i < count / 2; i++) { 1421 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.nop, 0)); 1422 amdgpu_ring_write(ring, 0); 1423 } 1424 } 1425 1426 /** 1427 * vcn_v2_0_dec_ring_emit_fence - emit an fence & trap command 1428 * 1429 * @ring: amdgpu_ring pointer 1430 * @addr: address 1431 * @seq: sequence number 1432 * @flags: fence related flags 1433 * 1434 * Write a fence and a trap command to the ring. 1435 */ 1436 void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 1437 unsigned flags) 1438 { 1439 struct amdgpu_device *adev = ring->adev; 1440 1441 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1442 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.context_id, 0)); 1443 amdgpu_ring_write(ring, seq); 1444 1445 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0)); 1446 amdgpu_ring_write(ring, addr & 0xffffffff); 1447 1448 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0)); 1449 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 1450 1451 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1452 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1)); 1453 1454 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0)); 1455 amdgpu_ring_write(ring, 0); 1456 1457 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0)); 1458 amdgpu_ring_write(ring, 0); 1459 1460 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1461 1462 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1)); 1463 } 1464 1465 /** 1466 * vcn_v2_0_dec_ring_emit_ib - execute indirect buffer 1467 * 1468 * @ring: amdgpu_ring pointer 1469 * @job: job to retrieve vmid from 1470 * @ib: indirect buffer to execute 1471 * @flags: unused 1472 * 1473 * Write ring commands to execute the indirect buffer 1474 */ 1475 void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring, 1476 struct amdgpu_job *job, 1477 struct amdgpu_ib *ib, 1478 uint32_t flags) 1479 { 1480 struct amdgpu_device *adev = ring->adev; 1481 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 1482 1483 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_vmid, 0)); 1484 amdgpu_ring_write(ring, vmid); 1485 1486 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_bar_low, 0)); 1487 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1488 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_bar_high, 0)); 1489 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1490 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_size, 0)); 1491 amdgpu_ring_write(ring, ib->length_dw); 1492 } 1493 1494 void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1495 uint32_t val, uint32_t mask) 1496 { 1497 struct amdgpu_device *adev = ring->adev; 1498 1499 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0)); 1500 amdgpu_ring_write(ring, reg << 2); 1501 1502 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0)); 1503 amdgpu_ring_write(ring, val); 1504 1505 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.gp_scratch8, 0)); 1506 amdgpu_ring_write(ring, mask); 1507 1508 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1509 1510 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1)); 1511 } 1512 1513 void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring, 1514 unsigned vmid, uint64_t pd_addr) 1515 { 1516 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; 1517 uint32_t data0, data1, mask; 1518 1519 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1520 1521 /* wait for register write */ 1522 data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance; 1523 data1 = lower_32_bits(pd_addr); 1524 mask = 0xffffffff; 1525 vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask); 1526 } 1527 1528 void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, 1529 uint32_t reg, uint32_t val) 1530 { 1531 struct amdgpu_device *adev = ring->adev; 1532 1533 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0)); 1534 amdgpu_ring_write(ring, reg << 2); 1535 1536 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0)); 1537 amdgpu_ring_write(ring, val); 1538 1539 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1540 1541 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1)); 1542 } 1543 1544 /** 1545 * vcn_v2_0_enc_ring_get_rptr - get enc read pointer 1546 * 1547 * @ring: amdgpu_ring pointer 1548 * 1549 * Returns the current hardware enc read pointer 1550 */ 1551 static uint64_t vcn_v2_0_enc_ring_get_rptr(struct amdgpu_ring *ring) 1552 { 1553 struct amdgpu_device *adev = ring->adev; 1554 1555 if (ring == &adev->vcn.inst->ring_enc[0]) 1556 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR); 1557 else 1558 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2); 1559 } 1560 1561 /** 1562 * vcn_v2_0_enc_ring_get_wptr - get enc write pointer 1563 * 1564 * @ring: amdgpu_ring pointer 1565 * 1566 * Returns the current hardware enc write pointer 1567 */ 1568 static uint64_t vcn_v2_0_enc_ring_get_wptr(struct amdgpu_ring *ring) 1569 { 1570 struct amdgpu_device *adev = ring->adev; 1571 1572 if (ring == &adev->vcn.inst->ring_enc[0]) { 1573 if (ring->use_doorbell) 1574 return *ring->wptr_cpu_addr; 1575 else 1576 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR); 1577 } else { 1578 if (ring->use_doorbell) 1579 return *ring->wptr_cpu_addr; 1580 else 1581 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2); 1582 } 1583 } 1584 1585 /** 1586 * vcn_v2_0_enc_ring_set_wptr - set enc write pointer 1587 * 1588 * @ring: amdgpu_ring pointer 1589 * 1590 * Commits the enc write pointer to the hardware 1591 */ 1592 static void vcn_v2_0_enc_ring_set_wptr(struct amdgpu_ring *ring) 1593 { 1594 struct amdgpu_device *adev = ring->adev; 1595 1596 if (ring == &adev->vcn.inst->ring_enc[0]) { 1597 if (ring->use_doorbell) { 1598 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 1599 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 1600 } else { 1601 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); 1602 } 1603 } else { 1604 if (ring->use_doorbell) { 1605 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 1606 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 1607 } else { 1608 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); 1609 } 1610 } 1611 } 1612 1613 /** 1614 * vcn_v2_0_enc_ring_emit_fence - emit an enc fence & trap command 1615 * 1616 * @ring: amdgpu_ring pointer 1617 * @addr: address 1618 * @seq: sequence number 1619 * @flags: fence related flags 1620 * 1621 * Write enc a fence and a trap command to the ring. 1622 */ 1623 void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 1624 u64 seq, unsigned flags) 1625 { 1626 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1627 1628 amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE); 1629 amdgpu_ring_write(ring, addr); 1630 amdgpu_ring_write(ring, upper_32_bits(addr)); 1631 amdgpu_ring_write(ring, seq); 1632 amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP); 1633 } 1634 1635 void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring) 1636 { 1637 amdgpu_ring_write(ring, VCN_ENC_CMD_END); 1638 } 1639 1640 /** 1641 * vcn_v2_0_enc_ring_emit_ib - enc execute indirect buffer 1642 * 1643 * @ring: amdgpu_ring pointer 1644 * @job: job to retrive vmid from 1645 * @ib: indirect buffer to execute 1646 * @flags: unused 1647 * 1648 * Write enc ring commands to execute the indirect buffer 1649 */ 1650 void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring, 1651 struct amdgpu_job *job, 1652 struct amdgpu_ib *ib, 1653 uint32_t flags) 1654 { 1655 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 1656 1657 amdgpu_ring_write(ring, VCN_ENC_CMD_IB); 1658 amdgpu_ring_write(ring, vmid); 1659 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1660 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1661 amdgpu_ring_write(ring, ib->length_dw); 1662 } 1663 1664 void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1665 uint32_t val, uint32_t mask) 1666 { 1667 amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT); 1668 amdgpu_ring_write(ring, reg << 2); 1669 amdgpu_ring_write(ring, mask); 1670 amdgpu_ring_write(ring, val); 1671 } 1672 1673 void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring, 1674 unsigned int vmid, uint64_t pd_addr) 1675 { 1676 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; 1677 1678 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1679 1680 /* wait for reg writes */ 1681 vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + 1682 vmid * hub->ctx_addr_distance, 1683 lower_32_bits(pd_addr), 0xffffffff); 1684 } 1685 1686 void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val) 1687 { 1688 amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); 1689 amdgpu_ring_write(ring, reg << 2); 1690 amdgpu_ring_write(ring, val); 1691 } 1692 1693 static int vcn_v2_0_set_interrupt_state(struct amdgpu_device *adev, 1694 struct amdgpu_irq_src *source, 1695 unsigned type, 1696 enum amdgpu_interrupt_state state) 1697 { 1698 return 0; 1699 } 1700 1701 static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev, 1702 struct amdgpu_irq_src *source, 1703 struct amdgpu_iv_entry *entry) 1704 { 1705 DRM_DEBUG("IH: VCN TRAP\n"); 1706 1707 switch (entry->src_id) { 1708 case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT: 1709 amdgpu_fence_process(&adev->vcn.inst->ring_dec); 1710 break; 1711 case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE: 1712 amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]); 1713 break; 1714 case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY: 1715 amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]); 1716 break; 1717 default: 1718 DRM_ERROR("Unhandled interrupt: %d %d\n", 1719 entry->src_id, entry->src_data[0]); 1720 break; 1721 } 1722 1723 return 0; 1724 } 1725 1726 int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring) 1727 { 1728 struct amdgpu_device *adev = ring->adev; 1729 uint32_t tmp = 0; 1730 unsigned i; 1731 int r; 1732 1733 if (amdgpu_sriov_vf(adev)) 1734 return 0; 1735 1736 WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD); 1737 r = amdgpu_ring_alloc(ring, 4); 1738 if (r) 1739 return r; 1740 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); 1741 amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1)); 1742 amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0)); 1743 amdgpu_ring_write(ring, 0xDEADBEEF); 1744 amdgpu_ring_commit(ring); 1745 for (i = 0; i < adev->usec_timeout; i++) { 1746 tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9); 1747 if (tmp == 0xDEADBEEF) 1748 break; 1749 udelay(1); 1750 } 1751 1752 if (i >= adev->usec_timeout) 1753 r = -ETIMEDOUT; 1754 1755 return r; 1756 } 1757 1758 1759 static int vcn_v2_0_set_powergating_state(void *handle, 1760 enum amd_powergating_state state) 1761 { 1762 /* This doesn't actually powergate the VCN block. 1763 * That's done in the dpm code via the SMC. This 1764 * just re-inits the block as necessary. The actual 1765 * gating still happens in the dpm code. We should 1766 * revisit this when there is a cleaner line between 1767 * the smc and the hw blocks 1768 */ 1769 int ret; 1770 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1771 1772 if (amdgpu_sriov_vf(adev)) { 1773 adev->vcn.cur_state = AMD_PG_STATE_UNGATE; 1774 return 0; 1775 } 1776 1777 if (state == adev->vcn.cur_state) 1778 return 0; 1779 1780 if (state == AMD_PG_STATE_GATE) 1781 ret = vcn_v2_0_stop(adev); 1782 else 1783 ret = vcn_v2_0_start(adev); 1784 1785 if (!ret) 1786 adev->vcn.cur_state = state; 1787 return ret; 1788 } 1789 1790 static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev, 1791 struct amdgpu_mm_table *table) 1792 { 1793 uint32_t data = 0, loop; 1794 uint64_t addr = table->gpu_addr; 1795 struct mmsch_v2_0_init_header *header; 1796 uint32_t size; 1797 int i; 1798 1799 header = (struct mmsch_v2_0_init_header *)table->cpu_addr; 1800 size = header->header_size + header->vcn_table_size; 1801 1802 /* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr 1803 * of memory descriptor location 1804 */ 1805 WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr)); 1806 WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr)); 1807 1808 /* 2, update vmid of descriptor */ 1809 data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID); 1810 data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK; 1811 /* use domain0 for MM scheduler */ 1812 data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); 1813 WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data); 1814 1815 /* 3, notify mmsch about the size of this descriptor */ 1816 WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size); 1817 1818 /* 4, set resp to zero */ 1819 WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0); 1820 1821 adev->vcn.inst->ring_dec.wptr = 0; 1822 adev->vcn.inst->ring_dec.wptr_old = 0; 1823 vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec); 1824 1825 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 1826 adev->vcn.inst->ring_enc[i].wptr = 0; 1827 adev->vcn.inst->ring_enc[i].wptr_old = 0; 1828 vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]); 1829 } 1830 1831 /* 5, kick off the initialization and wait until 1832 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero 1833 */ 1834 WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001); 1835 1836 data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP); 1837 loop = 1000; 1838 while ((data & 0x10000002) != 0x10000002) { 1839 udelay(10); 1840 data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP); 1841 loop--; 1842 if (!loop) 1843 break; 1844 } 1845 1846 if (!loop) { 1847 DRM_ERROR("failed to init MMSCH, " \ 1848 "mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data); 1849 return -EBUSY; 1850 } 1851 1852 return 0; 1853 } 1854 1855 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev) 1856 { 1857 int r; 1858 uint32_t tmp; 1859 struct amdgpu_ring *ring; 1860 uint32_t offset, size; 1861 uint32_t table_size = 0; 1862 struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} }; 1863 struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} }; 1864 struct mmsch_v2_0_cmd_end end = { {0} }; 1865 struct mmsch_v2_0_init_header *header; 1866 uint32_t *init_table = adev->virt.mm_table.cpu_addr; 1867 uint8_t i = 0; 1868 1869 header = (struct mmsch_v2_0_init_header *)init_table; 1870 direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE; 1871 direct_rd_mod_wt.cmd_header.command_type = 1872 MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE; 1873 end.cmd_header.command_type = MMSCH_COMMAND__END; 1874 1875 if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) { 1876 header->version = MMSCH_VERSION; 1877 header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2; 1878 1879 header->vcn_table_offset = header->header_size; 1880 1881 init_table += header->vcn_table_offset; 1882 1883 size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); 1884 1885 MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT( 1886 SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS), 1887 0xFFFFFFFF, 0x00000004); 1888 1889 /* mc resume*/ 1890 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 1891 MMSCH_V2_0_INSERT_DIRECT_WT( 1892 SOC15_REG_OFFSET(UVD, i, 1893 mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 1894 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo); 1895 MMSCH_V2_0_INSERT_DIRECT_WT( 1896 SOC15_REG_OFFSET(UVD, i, 1897 mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 1898 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi); 1899 offset = 0; 1900 } else { 1901 MMSCH_V2_0_INSERT_DIRECT_WT( 1902 SOC15_REG_OFFSET(UVD, i, 1903 mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 1904 lower_32_bits(adev->vcn.inst->gpu_addr)); 1905 MMSCH_V2_0_INSERT_DIRECT_WT( 1906 SOC15_REG_OFFSET(UVD, i, 1907 mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 1908 upper_32_bits(adev->vcn.inst->gpu_addr)); 1909 offset = size; 1910 } 1911 1912 MMSCH_V2_0_INSERT_DIRECT_WT( 1913 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0), 1914 0); 1915 MMSCH_V2_0_INSERT_DIRECT_WT( 1916 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0), 1917 size); 1918 1919 MMSCH_V2_0_INSERT_DIRECT_WT( 1920 SOC15_REG_OFFSET(UVD, i, 1921 mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 1922 lower_32_bits(adev->vcn.inst->gpu_addr + offset)); 1923 MMSCH_V2_0_INSERT_DIRECT_WT( 1924 SOC15_REG_OFFSET(UVD, i, 1925 mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 1926 upper_32_bits(adev->vcn.inst->gpu_addr + offset)); 1927 MMSCH_V2_0_INSERT_DIRECT_WT( 1928 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1), 1929 0); 1930 MMSCH_V2_0_INSERT_DIRECT_WT( 1931 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1), 1932 AMDGPU_VCN_STACK_SIZE); 1933 1934 MMSCH_V2_0_INSERT_DIRECT_WT( 1935 SOC15_REG_OFFSET(UVD, i, 1936 mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), 1937 lower_32_bits(adev->vcn.inst->gpu_addr + offset + 1938 AMDGPU_VCN_STACK_SIZE)); 1939 MMSCH_V2_0_INSERT_DIRECT_WT( 1940 SOC15_REG_OFFSET(UVD, i, 1941 mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), 1942 upper_32_bits(adev->vcn.inst->gpu_addr + offset + 1943 AMDGPU_VCN_STACK_SIZE)); 1944 MMSCH_V2_0_INSERT_DIRECT_WT( 1945 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2), 1946 0); 1947 MMSCH_V2_0_INSERT_DIRECT_WT( 1948 SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2), 1949 AMDGPU_VCN_CONTEXT_SIZE); 1950 1951 for (r = 0; r < adev->vcn.num_enc_rings; ++r) { 1952 ring = &adev->vcn.inst->ring_enc[r]; 1953 ring->wptr = 0; 1954 MMSCH_V2_0_INSERT_DIRECT_WT( 1955 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO), 1956 lower_32_bits(ring->gpu_addr)); 1957 MMSCH_V2_0_INSERT_DIRECT_WT( 1958 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI), 1959 upper_32_bits(ring->gpu_addr)); 1960 MMSCH_V2_0_INSERT_DIRECT_WT( 1961 SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE), 1962 ring->ring_size / 4); 1963 } 1964 1965 ring = &adev->vcn.inst->ring_dec; 1966 ring->wptr = 0; 1967 MMSCH_V2_0_INSERT_DIRECT_WT( 1968 SOC15_REG_OFFSET(UVD, i, 1969 mmUVD_LMI_RBC_RB_64BIT_BAR_LOW), 1970 lower_32_bits(ring->gpu_addr)); 1971 MMSCH_V2_0_INSERT_DIRECT_WT( 1972 SOC15_REG_OFFSET(UVD, i, 1973 mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH), 1974 upper_32_bits(ring->gpu_addr)); 1975 /* force RBC into idle state */ 1976 tmp = order_base_2(ring->ring_size); 1977 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp); 1978 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 1979 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 1980 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 1981 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 1982 MMSCH_V2_0_INSERT_DIRECT_WT( 1983 SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp); 1984 1985 /* add end packet */ 1986 tmp = sizeof(struct mmsch_v2_0_cmd_end); 1987 memcpy((void *)init_table, &end, tmp); 1988 table_size += (tmp / 4); 1989 header->vcn_table_size = table_size; 1990 1991 } 1992 return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table); 1993 } 1994 1995 static const struct amd_ip_funcs vcn_v2_0_ip_funcs = { 1996 .name = "vcn_v2_0", 1997 .early_init = vcn_v2_0_early_init, 1998 .late_init = NULL, 1999 .sw_init = vcn_v2_0_sw_init, 2000 .sw_fini = vcn_v2_0_sw_fini, 2001 .hw_init = vcn_v2_0_hw_init, 2002 .hw_fini = vcn_v2_0_hw_fini, 2003 .suspend = vcn_v2_0_suspend, 2004 .resume = vcn_v2_0_resume, 2005 .is_idle = vcn_v2_0_is_idle, 2006 .wait_for_idle = vcn_v2_0_wait_for_idle, 2007 .check_soft_reset = NULL, 2008 .pre_soft_reset = NULL, 2009 .soft_reset = NULL, 2010 .post_soft_reset = NULL, 2011 .set_clockgating_state = vcn_v2_0_set_clockgating_state, 2012 .set_powergating_state = vcn_v2_0_set_powergating_state, 2013 }; 2014 2015 static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = { 2016 .type = AMDGPU_RING_TYPE_VCN_DEC, 2017 .align_mask = 0xf, 2018 .secure_submission_supported = true, 2019 .get_rptr = vcn_v2_0_dec_ring_get_rptr, 2020 .get_wptr = vcn_v2_0_dec_ring_get_wptr, 2021 .set_wptr = vcn_v2_0_dec_ring_set_wptr, 2022 .emit_frame_size = 2023 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 2024 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 2025 8 + /* vcn_v2_0_dec_ring_emit_vm_flush */ 2026 14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */ 2027 6, 2028 .emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */ 2029 .emit_ib = vcn_v2_0_dec_ring_emit_ib, 2030 .emit_fence = vcn_v2_0_dec_ring_emit_fence, 2031 .emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush, 2032 .test_ring = vcn_v2_0_dec_ring_test_ring, 2033 .test_ib = amdgpu_vcn_dec_ring_test_ib, 2034 .insert_nop = vcn_v2_0_dec_ring_insert_nop, 2035 .insert_start = vcn_v2_0_dec_ring_insert_start, 2036 .insert_end = vcn_v2_0_dec_ring_insert_end, 2037 .pad_ib = amdgpu_ring_generic_pad_ib, 2038 .begin_use = amdgpu_vcn_ring_begin_use, 2039 .end_use = amdgpu_vcn_ring_end_use, 2040 .emit_wreg = vcn_v2_0_dec_ring_emit_wreg, 2041 .emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait, 2042 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 2043 }; 2044 2045 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = { 2046 .type = AMDGPU_RING_TYPE_VCN_ENC, 2047 .align_mask = 0x3f, 2048 .nop = VCN_ENC_CMD_NO_OP, 2049 .get_rptr = vcn_v2_0_enc_ring_get_rptr, 2050 .get_wptr = vcn_v2_0_enc_ring_get_wptr, 2051 .set_wptr = vcn_v2_0_enc_ring_set_wptr, 2052 .emit_frame_size = 2053 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 2054 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 + 2055 4 + /* vcn_v2_0_enc_ring_emit_vm_flush */ 2056 5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */ 2057 1, /* vcn_v2_0_enc_ring_insert_end */ 2058 .emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */ 2059 .emit_ib = vcn_v2_0_enc_ring_emit_ib, 2060 .emit_fence = vcn_v2_0_enc_ring_emit_fence, 2061 .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush, 2062 .test_ring = amdgpu_vcn_enc_ring_test_ring, 2063 .test_ib = amdgpu_vcn_enc_ring_test_ib, 2064 .insert_nop = amdgpu_ring_insert_nop, 2065 .insert_end = vcn_v2_0_enc_ring_insert_end, 2066 .pad_ib = amdgpu_ring_generic_pad_ib, 2067 .begin_use = amdgpu_vcn_ring_begin_use, 2068 .end_use = amdgpu_vcn_ring_end_use, 2069 .emit_wreg = vcn_v2_0_enc_ring_emit_wreg, 2070 .emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait, 2071 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 2072 }; 2073 2074 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev) 2075 { 2076 adev->vcn.inst->ring_dec.funcs = &vcn_v2_0_dec_ring_vm_funcs; 2077 DRM_INFO("VCN decode is enabled in VM mode\n"); 2078 } 2079 2080 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev) 2081 { 2082 int i; 2083 2084 for (i = 0; i < adev->vcn.num_enc_rings; ++i) 2085 adev->vcn.inst->ring_enc[i].funcs = &vcn_v2_0_enc_ring_vm_funcs; 2086 2087 DRM_INFO("VCN encode is enabled in VM mode\n"); 2088 } 2089 2090 static const struct amdgpu_irq_src_funcs vcn_v2_0_irq_funcs = { 2091 .set = vcn_v2_0_set_interrupt_state, 2092 .process = vcn_v2_0_process_interrupt, 2093 }; 2094 2095 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev) 2096 { 2097 adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 1; 2098 adev->vcn.inst->irq.funcs = &vcn_v2_0_irq_funcs; 2099 } 2100 2101 const struct amdgpu_ip_block_version vcn_v2_0_ip_block = 2102 { 2103 .type = AMD_IP_BLOCK_TYPE_VCN, 2104 .major = 2, 2105 .minor = 0, 2106 .rev = 0, 2107 .funcs = &vcn_v2_0_ip_funcs, 2108 }; 2109