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