1 /* $NetBSD: amdgpu_vi.c,v 1.1 2018/08/27 14:10:14 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 #include <sys/cdefs.h> 26 __KERNEL_RCSID(0, "$NetBSD: amdgpu_vi.c,v 1.1 2018/08/27 14:10:14 riastradh Exp $"); 27 28 #include <linux/firmware.h> 29 #include <linux/slab.h> 30 #include <linux/module.h> 31 #include "drmP.h" 32 #include "amdgpu.h" 33 #include "amdgpu_atombios.h" 34 #include "amdgpu_ih.h" 35 #include "amdgpu_uvd.h" 36 #include "amdgpu_vce.h" 37 #include "amdgpu_ucode.h" 38 #include "atom.h" 39 40 #include "gmc/gmc_8_1_d.h" 41 #include "gmc/gmc_8_1_sh_mask.h" 42 43 #include "oss/oss_3_0_d.h" 44 #include "oss/oss_3_0_sh_mask.h" 45 46 #include "bif/bif_5_0_d.h" 47 #include "bif/bif_5_0_sh_mask.h" 48 49 #include "gca/gfx_8_0_d.h" 50 #include "gca/gfx_8_0_sh_mask.h" 51 52 #include "smu/smu_7_1_1_d.h" 53 #include "smu/smu_7_1_1_sh_mask.h" 54 55 #include "uvd/uvd_5_0_d.h" 56 #include "uvd/uvd_5_0_sh_mask.h" 57 58 #include "vce/vce_3_0_d.h" 59 #include "vce/vce_3_0_sh_mask.h" 60 61 #include "dce/dce_10_0_d.h" 62 #include "dce/dce_10_0_sh_mask.h" 63 64 #include "vid.h" 65 #include "vi.h" 66 #include "vi_dpm.h" 67 #include "gmc_v8_0.h" 68 #include "gmc_v7_0.h" 69 #include "gfx_v8_0.h" 70 #include "sdma_v2_4.h" 71 #include "sdma_v3_0.h" 72 #include "dce_v10_0.h" 73 #include "dce_v11_0.h" 74 #include "iceland_ih.h" 75 #include "tonga_ih.h" 76 #include "cz_ih.h" 77 #include "uvd_v5_0.h" 78 #include "uvd_v6_0.h" 79 #include "vce_v3_0.h" 80 81 /* 82 * Indirect registers accessor 83 */ 84 static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg) 85 { 86 unsigned long flags; 87 u32 r; 88 89 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 90 WREG32(mmPCIE_INDEX, reg); 91 (void)RREG32(mmPCIE_INDEX); 92 r = RREG32(mmPCIE_DATA); 93 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 94 return r; 95 } 96 97 static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 98 { 99 unsigned long flags; 100 101 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 102 WREG32(mmPCIE_INDEX, reg); 103 (void)RREG32(mmPCIE_INDEX); 104 WREG32(mmPCIE_DATA, v); 105 (void)RREG32(mmPCIE_DATA); 106 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 107 } 108 109 static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg) 110 { 111 unsigned long flags; 112 u32 r; 113 114 spin_lock_irqsave(&adev->smc_idx_lock, flags); 115 WREG32(mmSMC_IND_INDEX_0, (reg)); 116 r = RREG32(mmSMC_IND_DATA_0); 117 spin_unlock_irqrestore(&adev->smc_idx_lock, flags); 118 return r; 119 } 120 121 static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 122 { 123 unsigned long flags; 124 125 spin_lock_irqsave(&adev->smc_idx_lock, flags); 126 WREG32(mmSMC_IND_INDEX_0, (reg)); 127 WREG32(mmSMC_IND_DATA_0, (v)); 128 spin_unlock_irqrestore(&adev->smc_idx_lock, flags); 129 } 130 131 /* smu_8_0_d.h */ 132 #define mmMP0PUB_IND_INDEX 0x180 133 #define mmMP0PUB_IND_DATA 0x181 134 135 static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg) 136 { 137 unsigned long flags; 138 u32 r; 139 140 spin_lock_irqsave(&adev->smc_idx_lock, flags); 141 WREG32(mmMP0PUB_IND_INDEX, (reg)); 142 r = RREG32(mmMP0PUB_IND_DATA); 143 spin_unlock_irqrestore(&adev->smc_idx_lock, flags); 144 return r; 145 } 146 147 static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 148 { 149 unsigned long flags; 150 151 spin_lock_irqsave(&adev->smc_idx_lock, flags); 152 WREG32(mmMP0PUB_IND_INDEX, (reg)); 153 WREG32(mmMP0PUB_IND_DATA, (v)); 154 spin_unlock_irqrestore(&adev->smc_idx_lock, flags); 155 } 156 157 static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) 158 { 159 unsigned long flags; 160 u32 r; 161 162 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); 163 WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff)); 164 r = RREG32(mmUVD_CTX_DATA); 165 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); 166 return r; 167 } 168 169 static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 170 { 171 unsigned long flags; 172 173 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); 174 WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff)); 175 WREG32(mmUVD_CTX_DATA, (v)); 176 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); 177 } 178 179 static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg) 180 { 181 unsigned long flags; 182 u32 r; 183 184 spin_lock_irqsave(&adev->didt_idx_lock, flags); 185 WREG32(mmDIDT_IND_INDEX, (reg)); 186 r = RREG32(mmDIDT_IND_DATA); 187 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 188 return r; 189 } 190 191 static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 192 { 193 unsigned long flags; 194 195 spin_lock_irqsave(&adev->didt_idx_lock, flags); 196 WREG32(mmDIDT_IND_INDEX, (reg)); 197 WREG32(mmDIDT_IND_DATA, (v)); 198 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 199 } 200 201 static const u32 tonga_mgcg_cgcg_init[] = 202 { 203 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, 204 mmPCIE_INDEX, 0xffffffff, 0x0140001c, 205 mmPCIE_DATA, 0x000f0000, 0x00000000, 206 mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C, 207 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100, 208 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, 209 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 210 }; 211 212 static const u32 fiji_mgcg_cgcg_init[] = 213 { 214 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, 215 mmPCIE_INDEX, 0xffffffff, 0x0140001c, 216 mmPCIE_DATA, 0x000f0000, 0x00000000, 217 mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C, 218 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100, 219 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, 220 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 221 }; 222 223 static const u32 iceland_mgcg_cgcg_init[] = 224 { 225 mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2, 226 mmPCIE_DATA, 0x000f0000, 0x00000000, 227 mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0, 228 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100, 229 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 230 }; 231 232 static const u32 cz_mgcg_cgcg_init[] = 233 { 234 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, 235 mmPCIE_INDEX, 0xffffffff, 0x0140001c, 236 mmPCIE_DATA, 0x000f0000, 0x00000000, 237 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, 238 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, 239 }; 240 241 static const u32 stoney_mgcg_cgcg_init[] = 242 { 243 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100, 244 mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104, 245 mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027, 246 }; 247 248 static void vi_init_golden_registers(struct amdgpu_device *adev) 249 { 250 /* Some of the registers might be dependent on GRBM_GFX_INDEX */ 251 mutex_lock(&adev->grbm_idx_mutex); 252 253 switch (adev->asic_type) { 254 case CHIP_TOPAZ: 255 amdgpu_program_register_sequence(adev, 256 iceland_mgcg_cgcg_init, 257 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); 258 break; 259 case CHIP_FIJI: 260 amdgpu_program_register_sequence(adev, 261 fiji_mgcg_cgcg_init, 262 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init)); 263 break; 264 case CHIP_TONGA: 265 amdgpu_program_register_sequence(adev, 266 tonga_mgcg_cgcg_init, 267 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init)); 268 break; 269 case CHIP_CARRIZO: 270 amdgpu_program_register_sequence(adev, 271 cz_mgcg_cgcg_init, 272 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init)); 273 break; 274 case CHIP_STONEY: 275 amdgpu_program_register_sequence(adev, 276 stoney_mgcg_cgcg_init, 277 (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init)); 278 break; 279 default: 280 break; 281 } 282 mutex_unlock(&adev->grbm_idx_mutex); 283 } 284 285 /** 286 * vi_get_xclk - get the xclk 287 * 288 * @adev: amdgpu_device pointer 289 * 290 * Returns the reference clock used by the gfx engine 291 * (VI). 292 */ 293 static u32 vi_get_xclk(struct amdgpu_device *adev) 294 { 295 u32 reference_clock = adev->clock.spll.reference_freq; 296 u32 tmp; 297 298 if (adev->flags & AMD_IS_APU) 299 return reference_clock; 300 301 tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2); 302 if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK)) 303 return 1000; 304 305 tmp = RREG32_SMC(ixCG_CLKPIN_CNTL); 306 if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE)) 307 return reference_clock / 4; 308 309 return reference_clock; 310 } 311 312 /** 313 * vi_srbm_select - select specific register instances 314 * 315 * @adev: amdgpu_device pointer 316 * @me: selected ME (micro engine) 317 * @pipe: pipe 318 * @queue: queue 319 * @vmid: VMID 320 * 321 * Switches the currently active registers instances. Some 322 * registers are instanced per VMID, others are instanced per 323 * me/pipe/queue combination. 324 */ 325 void vi_srbm_select(struct amdgpu_device *adev, 326 u32 me, u32 pipe, u32 queue, u32 vmid) 327 { 328 u32 srbm_gfx_cntl = 0; 329 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe); 330 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me); 331 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid); 332 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue); 333 WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl); 334 } 335 336 static void vi_vga_set_state(struct amdgpu_device *adev, bool state) 337 { 338 /* todo */ 339 } 340 341 static bool vi_read_disabled_bios(struct amdgpu_device *adev) 342 { 343 u32 bus_cntl; 344 u32 d1vga_control = 0; 345 u32 d2vga_control = 0; 346 u32 vga_render_control = 0; 347 u32 rom_cntl; 348 bool r; 349 350 bus_cntl = RREG32(mmBUS_CNTL); 351 if (adev->mode_info.num_crtc) { 352 d1vga_control = RREG32(mmD1VGA_CONTROL); 353 d2vga_control = RREG32(mmD2VGA_CONTROL); 354 vga_render_control = RREG32(mmVGA_RENDER_CONTROL); 355 } 356 rom_cntl = RREG32_SMC(ixROM_CNTL); 357 358 /* enable the rom */ 359 WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK)); 360 if (adev->mode_info.num_crtc) { 361 /* Disable VGA mode */ 362 WREG32(mmD1VGA_CONTROL, 363 (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK | 364 D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK))); 365 WREG32(mmD2VGA_CONTROL, 366 (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK | 367 D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK))); 368 WREG32(mmVGA_RENDER_CONTROL, 369 (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK)); 370 } 371 WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK); 372 373 r = amdgpu_read_bios(adev); 374 375 /* restore regs */ 376 WREG32(mmBUS_CNTL, bus_cntl); 377 if (adev->mode_info.num_crtc) { 378 WREG32(mmD1VGA_CONTROL, d1vga_control); 379 WREG32(mmD2VGA_CONTROL, d2vga_control); 380 WREG32(mmVGA_RENDER_CONTROL, vga_render_control); 381 } 382 WREG32_SMC(ixROM_CNTL, rom_cntl); 383 return r; 384 } 385 static struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = { 386 {mmGB_MACROTILE_MODE7, true}, 387 }; 388 389 static struct amdgpu_allowed_register_entry cz_allowed_read_registers[] = { 390 {mmGB_TILE_MODE7, true}, 391 {mmGB_TILE_MODE12, true}, 392 {mmGB_TILE_MODE17, true}, 393 {mmGB_TILE_MODE23, true}, 394 {mmGB_MACROTILE_MODE7, true}, 395 }; 396 397 static struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = { 398 {mmGRBM_STATUS, false}, 399 {mmGRBM_STATUS2, false}, 400 {mmGRBM_STATUS_SE0, false}, 401 {mmGRBM_STATUS_SE1, false}, 402 {mmGRBM_STATUS_SE2, false}, 403 {mmGRBM_STATUS_SE3, false}, 404 {mmSRBM_STATUS, false}, 405 {mmSRBM_STATUS2, false}, 406 {mmSRBM_STATUS3, false}, 407 {mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET, false}, 408 {mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET, false}, 409 {mmCP_STAT, false}, 410 {mmCP_STALLED_STAT1, false}, 411 {mmCP_STALLED_STAT2, false}, 412 {mmCP_STALLED_STAT3, false}, 413 {mmCP_CPF_BUSY_STAT, false}, 414 {mmCP_CPF_STALLED_STAT1, false}, 415 {mmCP_CPF_STATUS, false}, 416 {mmCP_CPC_BUSY_STAT, false}, 417 {mmCP_CPC_STALLED_STAT1, false}, 418 {mmCP_CPC_STATUS, false}, 419 {mmGB_ADDR_CONFIG, false}, 420 {mmMC_ARB_RAMCFG, false}, 421 {mmGB_TILE_MODE0, false}, 422 {mmGB_TILE_MODE1, false}, 423 {mmGB_TILE_MODE2, false}, 424 {mmGB_TILE_MODE3, false}, 425 {mmGB_TILE_MODE4, false}, 426 {mmGB_TILE_MODE5, false}, 427 {mmGB_TILE_MODE6, false}, 428 {mmGB_TILE_MODE7, false}, 429 {mmGB_TILE_MODE8, false}, 430 {mmGB_TILE_MODE9, false}, 431 {mmGB_TILE_MODE10, false}, 432 {mmGB_TILE_MODE11, false}, 433 {mmGB_TILE_MODE12, false}, 434 {mmGB_TILE_MODE13, false}, 435 {mmGB_TILE_MODE14, false}, 436 {mmGB_TILE_MODE15, false}, 437 {mmGB_TILE_MODE16, false}, 438 {mmGB_TILE_MODE17, false}, 439 {mmGB_TILE_MODE18, false}, 440 {mmGB_TILE_MODE19, false}, 441 {mmGB_TILE_MODE20, false}, 442 {mmGB_TILE_MODE21, false}, 443 {mmGB_TILE_MODE22, false}, 444 {mmGB_TILE_MODE23, false}, 445 {mmGB_TILE_MODE24, false}, 446 {mmGB_TILE_MODE25, false}, 447 {mmGB_TILE_MODE26, false}, 448 {mmGB_TILE_MODE27, false}, 449 {mmGB_TILE_MODE28, false}, 450 {mmGB_TILE_MODE29, false}, 451 {mmGB_TILE_MODE30, false}, 452 {mmGB_TILE_MODE31, false}, 453 {mmGB_MACROTILE_MODE0, false}, 454 {mmGB_MACROTILE_MODE1, false}, 455 {mmGB_MACROTILE_MODE2, false}, 456 {mmGB_MACROTILE_MODE3, false}, 457 {mmGB_MACROTILE_MODE4, false}, 458 {mmGB_MACROTILE_MODE5, false}, 459 {mmGB_MACROTILE_MODE6, false}, 460 {mmGB_MACROTILE_MODE7, false}, 461 {mmGB_MACROTILE_MODE8, false}, 462 {mmGB_MACROTILE_MODE9, false}, 463 {mmGB_MACROTILE_MODE10, false}, 464 {mmGB_MACROTILE_MODE11, false}, 465 {mmGB_MACROTILE_MODE12, false}, 466 {mmGB_MACROTILE_MODE13, false}, 467 {mmGB_MACROTILE_MODE14, false}, 468 {mmGB_MACROTILE_MODE15, false}, 469 {mmCC_RB_BACKEND_DISABLE, false, true}, 470 {mmGC_USER_RB_BACKEND_DISABLE, false, true}, 471 {mmGB_BACKEND_MAP, false, false}, 472 {mmPA_SC_RASTER_CONFIG, false, true}, 473 {mmPA_SC_RASTER_CONFIG_1, false, true}, 474 }; 475 476 static uint32_t vi_read_indexed_register(struct amdgpu_device *adev, u32 se_num, 477 u32 sh_num, u32 reg_offset) 478 { 479 uint32_t val; 480 481 mutex_lock(&adev->grbm_idx_mutex); 482 if (se_num != 0xffffffff || sh_num != 0xffffffff) 483 gfx_v8_0_select_se_sh(adev, se_num, sh_num); 484 485 val = RREG32(reg_offset); 486 487 if (se_num != 0xffffffff || sh_num != 0xffffffff) 488 gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff); 489 mutex_unlock(&adev->grbm_idx_mutex); 490 return val; 491 } 492 493 static int vi_read_register(struct amdgpu_device *adev, u32 se_num, 494 u32 sh_num, u32 reg_offset, u32 *value) 495 { 496 struct amdgpu_allowed_register_entry *asic_register_table = NULL; 497 struct amdgpu_allowed_register_entry *asic_register_entry; 498 uint32_t size, i; 499 500 *value = 0; 501 switch (adev->asic_type) { 502 case CHIP_TOPAZ: 503 asic_register_table = tonga_allowed_read_registers; 504 size = ARRAY_SIZE(tonga_allowed_read_registers); 505 break; 506 case CHIP_FIJI: 507 case CHIP_TONGA: 508 case CHIP_CARRIZO: 509 case CHIP_STONEY: 510 asic_register_table = cz_allowed_read_registers; 511 size = ARRAY_SIZE(cz_allowed_read_registers); 512 break; 513 default: 514 return -EINVAL; 515 } 516 517 if (asic_register_table) { 518 for (i = 0; i < size; i++) { 519 asic_register_entry = asic_register_table + i; 520 if (reg_offset != asic_register_entry->reg_offset) 521 continue; 522 if (!asic_register_entry->untouched) 523 *value = asic_register_entry->grbm_indexed ? 524 vi_read_indexed_register(adev, se_num, 525 sh_num, reg_offset) : 526 RREG32(reg_offset); 527 return 0; 528 } 529 } 530 531 for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) { 532 if (reg_offset != vi_allowed_read_registers[i].reg_offset) 533 continue; 534 535 if (!vi_allowed_read_registers[i].untouched) 536 *value = vi_allowed_read_registers[i].grbm_indexed ? 537 vi_read_indexed_register(adev, se_num, 538 sh_num, reg_offset) : 539 RREG32(reg_offset); 540 return 0; 541 } 542 return -EINVAL; 543 } 544 545 static void vi_print_gpu_status_regs(struct amdgpu_device *adev) 546 { 547 dev_info(adev->dev, " GRBM_STATUS=0x%08X\n", 548 RREG32(mmGRBM_STATUS)); 549 dev_info(adev->dev, " GRBM_STATUS2=0x%08X\n", 550 RREG32(mmGRBM_STATUS2)); 551 dev_info(adev->dev, " GRBM_STATUS_SE0=0x%08X\n", 552 RREG32(mmGRBM_STATUS_SE0)); 553 dev_info(adev->dev, " GRBM_STATUS_SE1=0x%08X\n", 554 RREG32(mmGRBM_STATUS_SE1)); 555 dev_info(adev->dev, " GRBM_STATUS_SE2=0x%08X\n", 556 RREG32(mmGRBM_STATUS_SE2)); 557 dev_info(adev->dev, " GRBM_STATUS_SE3=0x%08X\n", 558 RREG32(mmGRBM_STATUS_SE3)); 559 dev_info(adev->dev, " SRBM_STATUS=0x%08X\n", 560 RREG32(mmSRBM_STATUS)); 561 dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n", 562 RREG32(mmSRBM_STATUS2)); 563 dev_info(adev->dev, " SDMA0_STATUS_REG = 0x%08X\n", 564 RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET)); 565 if (adev->sdma.num_instances > 1) { 566 dev_info(adev->dev, " SDMA1_STATUS_REG = 0x%08X\n", 567 RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET)); 568 } 569 dev_info(adev->dev, " CP_STAT = 0x%08x\n", RREG32(mmCP_STAT)); 570 dev_info(adev->dev, " CP_STALLED_STAT1 = 0x%08x\n", 571 RREG32(mmCP_STALLED_STAT1)); 572 dev_info(adev->dev, " CP_STALLED_STAT2 = 0x%08x\n", 573 RREG32(mmCP_STALLED_STAT2)); 574 dev_info(adev->dev, " CP_STALLED_STAT3 = 0x%08x\n", 575 RREG32(mmCP_STALLED_STAT3)); 576 dev_info(adev->dev, " CP_CPF_BUSY_STAT = 0x%08x\n", 577 RREG32(mmCP_CPF_BUSY_STAT)); 578 dev_info(adev->dev, " CP_CPF_STALLED_STAT1 = 0x%08x\n", 579 RREG32(mmCP_CPF_STALLED_STAT1)); 580 dev_info(adev->dev, " CP_CPF_STATUS = 0x%08x\n", RREG32(mmCP_CPF_STATUS)); 581 dev_info(adev->dev, " CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(mmCP_CPC_BUSY_STAT)); 582 dev_info(adev->dev, " CP_CPC_STALLED_STAT1 = 0x%08x\n", 583 RREG32(mmCP_CPC_STALLED_STAT1)); 584 dev_info(adev->dev, " CP_CPC_STATUS = 0x%08x\n", RREG32(mmCP_CPC_STATUS)); 585 } 586 587 /** 588 * vi_gpu_check_soft_reset - check which blocks are busy 589 * 590 * @adev: amdgpu_device pointer 591 * 592 * Check which blocks are busy and return the relevant reset 593 * mask to be used by vi_gpu_soft_reset(). 594 * Returns a mask of the blocks to be reset. 595 */ 596 static u32 vi_gpu_check_soft_reset(struct amdgpu_device *adev) 597 { 598 u32 reset_mask = 0; 599 u32 tmp; 600 601 /* GRBM_STATUS */ 602 tmp = RREG32(mmGRBM_STATUS); 603 if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK | 604 GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK | 605 GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK | 606 GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK | 607 GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK | 608 GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK)) 609 reset_mask |= AMDGPU_RESET_GFX; 610 611 if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK)) 612 reset_mask |= AMDGPU_RESET_CP; 613 614 /* GRBM_STATUS2 */ 615 tmp = RREG32(mmGRBM_STATUS2); 616 if (tmp & GRBM_STATUS2__RLC_BUSY_MASK) 617 reset_mask |= AMDGPU_RESET_RLC; 618 619 if (tmp & (GRBM_STATUS2__CPF_BUSY_MASK | 620 GRBM_STATUS2__CPC_BUSY_MASK | 621 GRBM_STATUS2__CPG_BUSY_MASK)) 622 reset_mask |= AMDGPU_RESET_CP; 623 624 /* SRBM_STATUS2 */ 625 tmp = RREG32(mmSRBM_STATUS2); 626 if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) 627 reset_mask |= AMDGPU_RESET_DMA; 628 629 if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) 630 reset_mask |= AMDGPU_RESET_DMA1; 631 632 /* SRBM_STATUS */ 633 tmp = RREG32(mmSRBM_STATUS); 634 635 if (tmp & SRBM_STATUS__IH_BUSY_MASK) 636 reset_mask |= AMDGPU_RESET_IH; 637 638 if (tmp & SRBM_STATUS__SEM_BUSY_MASK) 639 reset_mask |= AMDGPU_RESET_SEM; 640 641 if (tmp & SRBM_STATUS__GRBM_RQ_PENDING_MASK) 642 reset_mask |= AMDGPU_RESET_GRBM; 643 644 if (adev->asic_type != CHIP_TOPAZ) { 645 if (tmp & (SRBM_STATUS__UVD_RQ_PENDING_MASK | 646 SRBM_STATUS__UVD_BUSY_MASK)) 647 reset_mask |= AMDGPU_RESET_UVD; 648 } 649 650 if (tmp & SRBM_STATUS__VMC_BUSY_MASK) 651 reset_mask |= AMDGPU_RESET_VMC; 652 653 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 654 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) 655 reset_mask |= AMDGPU_RESET_MC; 656 657 /* SDMA0_STATUS_REG */ 658 tmp = RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET); 659 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 660 reset_mask |= AMDGPU_RESET_DMA; 661 662 /* SDMA1_STATUS_REG */ 663 if (adev->sdma.num_instances > 1) { 664 tmp = RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET); 665 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 666 reset_mask |= AMDGPU_RESET_DMA1; 667 } 668 #if 0 669 /* VCE_STATUS */ 670 if (adev->asic_type != CHIP_TOPAZ) { 671 tmp = RREG32(mmVCE_STATUS); 672 if (tmp & VCE_STATUS__VCPU_REPORT_RB0_BUSY_MASK) 673 reset_mask |= AMDGPU_RESET_VCE; 674 if (tmp & VCE_STATUS__VCPU_REPORT_RB1_BUSY_MASK) 675 reset_mask |= AMDGPU_RESET_VCE1; 676 677 } 678 679 if (adev->asic_type != CHIP_TOPAZ) { 680 if (amdgpu_display_is_display_hung(adev)) 681 reset_mask |= AMDGPU_RESET_DISPLAY; 682 } 683 #endif 684 685 /* Skip MC reset as it's mostly likely not hung, just busy */ 686 if (reset_mask & AMDGPU_RESET_MC) { 687 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 688 reset_mask &= ~AMDGPU_RESET_MC; 689 } 690 691 return reset_mask; 692 } 693 694 /** 695 * vi_gpu_soft_reset - soft reset GPU 696 * 697 * @adev: amdgpu_device pointer 698 * @reset_mask: mask of which blocks to reset 699 * 700 * Soft reset the blocks specified in @reset_mask. 701 */ 702 static void vi_gpu_soft_reset(struct amdgpu_device *adev, u32 reset_mask) 703 { 704 struct amdgpu_mode_mc_save save; 705 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 706 u32 tmp; 707 708 if (reset_mask == 0) 709 return; 710 711 dev_info(adev->dev, "GPU softreset: 0x%08X\n", reset_mask); 712 713 vi_print_gpu_status_regs(adev); 714 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 715 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR)); 716 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 717 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS)); 718 719 /* disable CG/PG */ 720 721 /* stop the rlc */ 722 //XXX 723 //gfx_v8_0_rlc_stop(adev); 724 725 /* Disable GFX parsing/prefetching */ 726 tmp = RREG32(mmCP_ME_CNTL); 727 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1); 728 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1); 729 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1); 730 WREG32(mmCP_ME_CNTL, tmp); 731 732 /* Disable MEC parsing/prefetching */ 733 tmp = RREG32(mmCP_MEC_CNTL); 734 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1); 735 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1); 736 WREG32(mmCP_MEC_CNTL, tmp); 737 738 if (reset_mask & AMDGPU_RESET_DMA) { 739 /* sdma0 */ 740 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); 741 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); 742 WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); 743 } 744 if (reset_mask & AMDGPU_RESET_DMA1) { 745 /* sdma1 */ 746 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); 747 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); 748 WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); 749 } 750 751 gmc_v8_0_mc_stop(adev, &save); 752 if (amdgpu_asic_wait_for_mc_idle(adev)) { 753 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 754 } 755 756 if (reset_mask & (AMDGPU_RESET_GFX | AMDGPU_RESET_COMPUTE | AMDGPU_RESET_CP)) { 757 grbm_soft_reset = 758 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1); 759 grbm_soft_reset = 760 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_GFX, 1); 761 } 762 763 if (reset_mask & AMDGPU_RESET_CP) { 764 grbm_soft_reset = 765 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1); 766 srbm_soft_reset = 767 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1); 768 } 769 770 if (reset_mask & AMDGPU_RESET_DMA) 771 srbm_soft_reset = 772 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA, 1); 773 774 if (reset_mask & AMDGPU_RESET_DMA1) 775 srbm_soft_reset = 776 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1, 1); 777 778 if (reset_mask & AMDGPU_RESET_DISPLAY) 779 srbm_soft_reset = 780 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_DC, 1); 781 782 if (reset_mask & AMDGPU_RESET_RLC) 783 grbm_soft_reset = 784 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1); 785 786 if (reset_mask & AMDGPU_RESET_SEM) 787 srbm_soft_reset = 788 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SEM, 1); 789 790 if (reset_mask & AMDGPU_RESET_IH) 791 srbm_soft_reset = 792 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_IH, 1); 793 794 if (reset_mask & AMDGPU_RESET_GRBM) 795 srbm_soft_reset = 796 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1); 797 798 if (reset_mask & AMDGPU_RESET_VMC) 799 srbm_soft_reset = 800 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); 801 802 if (reset_mask & AMDGPU_RESET_UVD) 803 srbm_soft_reset = 804 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_UVD, 1); 805 806 if (reset_mask & AMDGPU_RESET_VCE) 807 srbm_soft_reset = 808 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 809 810 if (reset_mask & AMDGPU_RESET_VCE) 811 srbm_soft_reset = 812 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 813 814 if (!(adev->flags & AMD_IS_APU)) { 815 if (reset_mask & AMDGPU_RESET_MC) 816 srbm_soft_reset = 817 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); 818 } 819 820 if (grbm_soft_reset) { 821 tmp = RREG32(mmGRBM_SOFT_RESET); 822 tmp |= grbm_soft_reset; 823 dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp); 824 WREG32(mmGRBM_SOFT_RESET, tmp); 825 tmp = RREG32(mmGRBM_SOFT_RESET); 826 827 udelay(50); 828 829 tmp &= ~grbm_soft_reset; 830 WREG32(mmGRBM_SOFT_RESET, tmp); 831 tmp = RREG32(mmGRBM_SOFT_RESET); 832 } 833 834 if (srbm_soft_reset) { 835 tmp = RREG32(mmSRBM_SOFT_RESET); 836 tmp |= srbm_soft_reset; 837 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 838 WREG32(mmSRBM_SOFT_RESET, tmp); 839 tmp = RREG32(mmSRBM_SOFT_RESET); 840 841 udelay(50); 842 843 tmp &= ~srbm_soft_reset; 844 WREG32(mmSRBM_SOFT_RESET, tmp); 845 tmp = RREG32(mmSRBM_SOFT_RESET); 846 } 847 848 /* Wait a little for things to settle down */ 849 udelay(50); 850 851 gmc_v8_0_mc_resume(adev, &save); 852 udelay(50); 853 854 vi_print_gpu_status_regs(adev); 855 } 856 857 static void vi_gpu_pci_config_reset(struct amdgpu_device *adev) 858 { 859 struct amdgpu_mode_mc_save save; 860 u32 tmp, i; 861 862 dev_info(adev->dev, "GPU pci config reset\n"); 863 864 /* disable dpm? */ 865 866 /* disable cg/pg */ 867 868 /* Disable GFX parsing/prefetching */ 869 tmp = RREG32(mmCP_ME_CNTL); 870 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1); 871 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1); 872 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1); 873 WREG32(mmCP_ME_CNTL, tmp); 874 875 /* Disable MEC parsing/prefetching */ 876 tmp = RREG32(mmCP_MEC_CNTL); 877 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1); 878 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1); 879 WREG32(mmCP_MEC_CNTL, tmp); 880 881 /* Disable GFX parsing/prefetching */ 882 WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK | 883 CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK); 884 885 /* Disable MEC parsing/prefetching */ 886 WREG32(mmCP_MEC_CNTL, 887 CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK); 888 889 /* sdma0 */ 890 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); 891 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); 892 WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); 893 894 /* sdma1 */ 895 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); 896 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); 897 WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); 898 899 /* XXX other engines? */ 900 901 /* halt the rlc, disable cp internal ints */ 902 //XXX 903 //gfx_v8_0_rlc_stop(adev); 904 905 udelay(50); 906 907 /* disable mem access */ 908 gmc_v8_0_mc_stop(adev, &save); 909 if (amdgpu_asic_wait_for_mc_idle(adev)) { 910 dev_warn(adev->dev, "Wait for MC idle timed out !\n"); 911 } 912 913 /* disable BM */ 914 pci_clear_master(adev->pdev); 915 /* reset */ 916 amdgpu_pci_config_reset(adev); 917 918 udelay(100); 919 920 /* wait for asic to come out of reset */ 921 for (i = 0; i < adev->usec_timeout; i++) { 922 if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) 923 break; 924 udelay(1); 925 } 926 927 } 928 929 static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung) 930 { 931 u32 tmp = RREG32(mmBIOS_SCRATCH_3); 932 933 if (hung) 934 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 935 else 936 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 937 938 WREG32(mmBIOS_SCRATCH_3, tmp); 939 } 940 941 /** 942 * vi_asic_reset - soft reset GPU 943 * 944 * @adev: amdgpu_device pointer 945 * 946 * Look up which blocks are hung and attempt 947 * to reset them. 948 * Returns 0 for success. 949 */ 950 static int vi_asic_reset(struct amdgpu_device *adev) 951 { 952 u32 reset_mask; 953 954 reset_mask = vi_gpu_check_soft_reset(adev); 955 956 if (reset_mask) 957 vi_set_bios_scratch_engine_hung(adev, true); 958 959 /* try soft reset */ 960 vi_gpu_soft_reset(adev, reset_mask); 961 962 reset_mask = vi_gpu_check_soft_reset(adev); 963 964 /* try pci config reset */ 965 if (reset_mask && amdgpu_hard_reset) 966 vi_gpu_pci_config_reset(adev); 967 968 reset_mask = vi_gpu_check_soft_reset(adev); 969 970 if (!reset_mask) 971 vi_set_bios_scratch_engine_hung(adev, false); 972 973 return 0; 974 } 975 976 static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock, 977 u32 cntl_reg, u32 status_reg) 978 { 979 int r, i; 980 struct atom_clock_dividers dividers; 981 uint32_t tmp; 982 983 r = amdgpu_atombios_get_clock_dividers(adev, 984 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, 985 clock, false, ÷rs); 986 if (r) 987 return r; 988 989 tmp = RREG32_SMC(cntl_reg); 990 tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK | 991 CG_DCLK_CNTL__DCLK_DIVIDER_MASK); 992 tmp |= dividers.post_divider; 993 WREG32_SMC(cntl_reg, tmp); 994 995 for (i = 0; i < 100; i++) { 996 if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK) 997 break; 998 mdelay(10); 999 } 1000 if (i == 100) 1001 return -ETIMEDOUT; 1002 1003 return 0; 1004 } 1005 1006 static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) 1007 { 1008 int r; 1009 1010 r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS); 1011 if (r) 1012 return r; 1013 1014 r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS); 1015 1016 return 0; 1017 } 1018 1019 static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) 1020 { 1021 /* todo */ 1022 1023 return 0; 1024 } 1025 1026 static void vi_pcie_gen3_enable(struct amdgpu_device *adev) 1027 { 1028 #ifndef __NetBSD__ /* XXX amdgpu pcie */ 1029 u32 mask; 1030 int ret; 1031 1032 if (pci_is_root_bus(adev->pdev->bus)) 1033 return; 1034 1035 if (amdgpu_pcie_gen2 == 0) 1036 return; 1037 1038 if (adev->flags & AMD_IS_APU) 1039 return; 1040 1041 ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); 1042 if (ret != 0) 1043 return; 1044 1045 if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80))) 1046 return; 1047 1048 /* todo */ 1049 #endif 1050 } 1051 1052 static void vi_program_aspm(struct amdgpu_device *adev) 1053 { 1054 1055 if (amdgpu_aspm == 0) 1056 return; 1057 1058 /* todo */ 1059 } 1060 1061 static void vi_enable_doorbell_aperture(struct amdgpu_device *adev, 1062 bool enable) 1063 { 1064 u32 tmp; 1065 1066 /* not necessary on CZ */ 1067 if (adev->flags & AMD_IS_APU) 1068 return; 1069 1070 tmp = RREG32(mmBIF_DOORBELL_APER_EN); 1071 if (enable) 1072 tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1); 1073 else 1074 tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0); 1075 1076 WREG32(mmBIF_DOORBELL_APER_EN, tmp); 1077 } 1078 1079 /* topaz has no DCE, UVD, VCE */ 1080 static const struct amdgpu_ip_block_version topaz_ip_blocks[] = 1081 { 1082 /* ORDER MATTERS! */ 1083 { 1084 .type = AMD_IP_BLOCK_TYPE_COMMON, 1085 .major = 2, 1086 .minor = 0, 1087 .rev = 0, 1088 .funcs = &vi_common_ip_funcs, 1089 }, 1090 { 1091 .type = AMD_IP_BLOCK_TYPE_GMC, 1092 .major = 7, 1093 .minor = 4, 1094 .rev = 0, 1095 .funcs = &gmc_v7_0_ip_funcs, 1096 }, 1097 { 1098 .type = AMD_IP_BLOCK_TYPE_IH, 1099 .major = 2, 1100 .minor = 4, 1101 .rev = 0, 1102 .funcs = &iceland_ih_ip_funcs, 1103 }, 1104 { 1105 .type = AMD_IP_BLOCK_TYPE_SMC, 1106 .major = 7, 1107 .minor = 1, 1108 .rev = 0, 1109 .funcs = &iceland_dpm_ip_funcs, 1110 }, 1111 { 1112 .type = AMD_IP_BLOCK_TYPE_GFX, 1113 .major = 8, 1114 .minor = 0, 1115 .rev = 0, 1116 .funcs = &gfx_v8_0_ip_funcs, 1117 }, 1118 { 1119 .type = AMD_IP_BLOCK_TYPE_SDMA, 1120 .major = 2, 1121 .minor = 4, 1122 .rev = 0, 1123 .funcs = &sdma_v2_4_ip_funcs, 1124 }, 1125 }; 1126 1127 static const struct amdgpu_ip_block_version tonga_ip_blocks[] = 1128 { 1129 /* ORDER MATTERS! */ 1130 { 1131 .type = AMD_IP_BLOCK_TYPE_COMMON, 1132 .major = 2, 1133 .minor = 0, 1134 .rev = 0, 1135 .funcs = &vi_common_ip_funcs, 1136 }, 1137 { 1138 .type = AMD_IP_BLOCK_TYPE_GMC, 1139 .major = 8, 1140 .minor = 0, 1141 .rev = 0, 1142 .funcs = &gmc_v8_0_ip_funcs, 1143 }, 1144 { 1145 .type = AMD_IP_BLOCK_TYPE_IH, 1146 .major = 3, 1147 .minor = 0, 1148 .rev = 0, 1149 .funcs = &tonga_ih_ip_funcs, 1150 }, 1151 { 1152 .type = AMD_IP_BLOCK_TYPE_SMC, 1153 .major = 7, 1154 .minor = 1, 1155 .rev = 0, 1156 .funcs = &tonga_dpm_ip_funcs, 1157 }, 1158 { 1159 .type = AMD_IP_BLOCK_TYPE_DCE, 1160 .major = 10, 1161 .minor = 0, 1162 .rev = 0, 1163 .funcs = &dce_v10_0_ip_funcs, 1164 }, 1165 { 1166 .type = AMD_IP_BLOCK_TYPE_GFX, 1167 .major = 8, 1168 .minor = 0, 1169 .rev = 0, 1170 .funcs = &gfx_v8_0_ip_funcs, 1171 }, 1172 { 1173 .type = AMD_IP_BLOCK_TYPE_SDMA, 1174 .major = 3, 1175 .minor = 0, 1176 .rev = 0, 1177 .funcs = &sdma_v3_0_ip_funcs, 1178 }, 1179 { 1180 .type = AMD_IP_BLOCK_TYPE_UVD, 1181 .major = 5, 1182 .minor = 0, 1183 .rev = 0, 1184 .funcs = &uvd_v5_0_ip_funcs, 1185 }, 1186 { 1187 .type = AMD_IP_BLOCK_TYPE_VCE, 1188 .major = 3, 1189 .minor = 0, 1190 .rev = 0, 1191 .funcs = &vce_v3_0_ip_funcs, 1192 }, 1193 }; 1194 1195 static const struct amdgpu_ip_block_version fiji_ip_blocks[] = 1196 { 1197 /* ORDER MATTERS! */ 1198 { 1199 .type = AMD_IP_BLOCK_TYPE_COMMON, 1200 .major = 2, 1201 .minor = 0, 1202 .rev = 0, 1203 .funcs = &vi_common_ip_funcs, 1204 }, 1205 { 1206 .type = AMD_IP_BLOCK_TYPE_GMC, 1207 .major = 8, 1208 .minor = 5, 1209 .rev = 0, 1210 .funcs = &gmc_v8_0_ip_funcs, 1211 }, 1212 { 1213 .type = AMD_IP_BLOCK_TYPE_IH, 1214 .major = 3, 1215 .minor = 0, 1216 .rev = 0, 1217 .funcs = &tonga_ih_ip_funcs, 1218 }, 1219 { 1220 .type = AMD_IP_BLOCK_TYPE_SMC, 1221 .major = 7, 1222 .minor = 1, 1223 .rev = 0, 1224 .funcs = &fiji_dpm_ip_funcs, 1225 }, 1226 { 1227 .type = AMD_IP_BLOCK_TYPE_DCE, 1228 .major = 10, 1229 .minor = 1, 1230 .rev = 0, 1231 .funcs = &dce_v10_0_ip_funcs, 1232 }, 1233 { 1234 .type = AMD_IP_BLOCK_TYPE_GFX, 1235 .major = 8, 1236 .minor = 0, 1237 .rev = 0, 1238 .funcs = &gfx_v8_0_ip_funcs, 1239 }, 1240 { 1241 .type = AMD_IP_BLOCK_TYPE_SDMA, 1242 .major = 3, 1243 .minor = 0, 1244 .rev = 0, 1245 .funcs = &sdma_v3_0_ip_funcs, 1246 }, 1247 { 1248 .type = AMD_IP_BLOCK_TYPE_UVD, 1249 .major = 6, 1250 .minor = 0, 1251 .rev = 0, 1252 .funcs = &uvd_v6_0_ip_funcs, 1253 }, 1254 { 1255 .type = AMD_IP_BLOCK_TYPE_VCE, 1256 .major = 3, 1257 .minor = 0, 1258 .rev = 0, 1259 .funcs = &vce_v3_0_ip_funcs, 1260 }, 1261 }; 1262 1263 static const struct amdgpu_ip_block_version cz_ip_blocks[] = 1264 { 1265 /* ORDER MATTERS! */ 1266 { 1267 .type = AMD_IP_BLOCK_TYPE_COMMON, 1268 .major = 2, 1269 .minor = 0, 1270 .rev = 0, 1271 .funcs = &vi_common_ip_funcs, 1272 }, 1273 { 1274 .type = AMD_IP_BLOCK_TYPE_GMC, 1275 .major = 8, 1276 .minor = 0, 1277 .rev = 0, 1278 .funcs = &gmc_v8_0_ip_funcs, 1279 }, 1280 { 1281 .type = AMD_IP_BLOCK_TYPE_IH, 1282 .major = 3, 1283 .minor = 0, 1284 .rev = 0, 1285 .funcs = &cz_ih_ip_funcs, 1286 }, 1287 { 1288 .type = AMD_IP_BLOCK_TYPE_SMC, 1289 .major = 8, 1290 .minor = 0, 1291 .rev = 0, 1292 .funcs = &cz_dpm_ip_funcs, 1293 }, 1294 { 1295 .type = AMD_IP_BLOCK_TYPE_DCE, 1296 .major = 11, 1297 .minor = 0, 1298 .rev = 0, 1299 .funcs = &dce_v11_0_ip_funcs, 1300 }, 1301 { 1302 .type = AMD_IP_BLOCK_TYPE_GFX, 1303 .major = 8, 1304 .minor = 0, 1305 .rev = 0, 1306 .funcs = &gfx_v8_0_ip_funcs, 1307 }, 1308 { 1309 .type = AMD_IP_BLOCK_TYPE_SDMA, 1310 .major = 3, 1311 .minor = 0, 1312 .rev = 0, 1313 .funcs = &sdma_v3_0_ip_funcs, 1314 }, 1315 { 1316 .type = AMD_IP_BLOCK_TYPE_UVD, 1317 .major = 6, 1318 .minor = 0, 1319 .rev = 0, 1320 .funcs = &uvd_v6_0_ip_funcs, 1321 }, 1322 { 1323 .type = AMD_IP_BLOCK_TYPE_VCE, 1324 .major = 3, 1325 .minor = 0, 1326 .rev = 0, 1327 .funcs = &vce_v3_0_ip_funcs, 1328 }, 1329 }; 1330 1331 int vi_set_ip_blocks(struct amdgpu_device *adev) 1332 { 1333 switch (adev->asic_type) { 1334 case CHIP_TOPAZ: 1335 adev->ip_blocks = topaz_ip_blocks; 1336 adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks); 1337 break; 1338 case CHIP_FIJI: 1339 adev->ip_blocks = fiji_ip_blocks; 1340 adev->num_ip_blocks = ARRAY_SIZE(fiji_ip_blocks); 1341 break; 1342 case CHIP_TONGA: 1343 adev->ip_blocks = tonga_ip_blocks; 1344 adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks); 1345 break; 1346 case CHIP_CARRIZO: 1347 case CHIP_STONEY: 1348 adev->ip_blocks = cz_ip_blocks; 1349 adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks); 1350 break; 1351 default: 1352 /* FIXME: not supported yet */ 1353 return -EINVAL; 1354 } 1355 1356 return 0; 1357 } 1358 1359 #define ATI_REV_ID_FUSE_MACRO__ADDRESS 0xC0014044 1360 #define ATI_REV_ID_FUSE_MACRO__SHIFT 9 1361 #define ATI_REV_ID_FUSE_MACRO__MASK 0x00001E00 1362 1363 static uint32_t vi_get_rev_id(struct amdgpu_device *adev) 1364 { 1365 if (adev->asic_type == CHIP_TOPAZ) 1366 return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK) 1367 >> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT; 1368 else if (adev->flags & AMD_IS_APU) 1369 return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK) 1370 >> ATI_REV_ID_FUSE_MACRO__SHIFT; 1371 else 1372 return (RREG32(mmCC_DRM_ID_STRAPS) & CC_DRM_ID_STRAPS__ATI_REV_ID_MASK) 1373 >> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT; 1374 } 1375 1376 static const struct amdgpu_asic_funcs vi_asic_funcs = 1377 { 1378 .read_disabled_bios = &vi_read_disabled_bios, 1379 .read_register = &vi_read_register, 1380 .reset = &vi_asic_reset, 1381 .set_vga_state = &vi_vga_set_state, 1382 .get_xclk = &vi_get_xclk, 1383 .set_uvd_clocks = &vi_set_uvd_clocks, 1384 .set_vce_clocks = &vi_set_vce_clocks, 1385 .get_cu_info = &gfx_v8_0_get_cu_info, 1386 /* these should be moved to their own ip modules */ 1387 .get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter, 1388 .wait_for_mc_idle = &gmc_v8_0_mc_wait_for_idle, 1389 }; 1390 1391 static int vi_common_early_init(void *handle) 1392 { 1393 bool smc_enabled = false; 1394 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1395 1396 if (adev->flags & AMD_IS_APU) { 1397 adev->smc_rreg = &cz_smc_rreg; 1398 adev->smc_wreg = &cz_smc_wreg; 1399 } else { 1400 adev->smc_rreg = &vi_smc_rreg; 1401 adev->smc_wreg = &vi_smc_wreg; 1402 } 1403 adev->pcie_rreg = &vi_pcie_rreg; 1404 adev->pcie_wreg = &vi_pcie_wreg; 1405 adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg; 1406 adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg; 1407 adev->didt_rreg = &vi_didt_rreg; 1408 adev->didt_wreg = &vi_didt_wreg; 1409 1410 adev->asic_funcs = &vi_asic_funcs; 1411 1412 if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) && 1413 (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC))) 1414 smc_enabled = true; 1415 1416 adev->rev_id = vi_get_rev_id(adev); 1417 adev->external_rev_id = 0xFF; 1418 switch (adev->asic_type) { 1419 case CHIP_TOPAZ: 1420 adev->has_uvd = false; 1421 adev->cg_flags = 0; 1422 adev->pg_flags = 0; 1423 adev->external_rev_id = 0x1; 1424 break; 1425 case CHIP_FIJI: 1426 adev->has_uvd = true; 1427 adev->cg_flags = 0; 1428 adev->pg_flags = 0; 1429 adev->external_rev_id = adev->rev_id + 0x3c; 1430 break; 1431 case CHIP_TONGA: 1432 adev->has_uvd = true; 1433 adev->cg_flags = 0; 1434 adev->pg_flags = 0; 1435 adev->external_rev_id = adev->rev_id + 0x14; 1436 break; 1437 case CHIP_CARRIZO: 1438 case CHIP_STONEY: 1439 adev->has_uvd = true; 1440 adev->cg_flags = 0; 1441 /* Disable UVD pg */ 1442 adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE; 1443 adev->external_rev_id = adev->rev_id + 0x1; 1444 break; 1445 default: 1446 /* FIXME: not supported yet */ 1447 return -EINVAL; 1448 } 1449 1450 if (amdgpu_smc_load_fw && smc_enabled) 1451 adev->firmware.smu_load = true; 1452 1453 return 0; 1454 } 1455 1456 static int vi_common_sw_init(void *handle) 1457 { 1458 return 0; 1459 } 1460 1461 static int vi_common_sw_fini(void *handle) 1462 { 1463 return 0; 1464 } 1465 1466 static int vi_common_hw_init(void *handle) 1467 { 1468 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1469 1470 /* move the golden regs per IP block */ 1471 vi_init_golden_registers(adev); 1472 /* enable pcie gen2/3 link */ 1473 vi_pcie_gen3_enable(adev); 1474 /* enable aspm */ 1475 vi_program_aspm(adev); 1476 /* enable the doorbell aperture */ 1477 vi_enable_doorbell_aperture(adev, true); 1478 1479 return 0; 1480 } 1481 1482 static int vi_common_hw_fini(void *handle) 1483 { 1484 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1485 1486 /* enable the doorbell aperture */ 1487 vi_enable_doorbell_aperture(adev, false); 1488 1489 return 0; 1490 } 1491 1492 static int vi_common_suspend(void *handle) 1493 { 1494 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1495 1496 return vi_common_hw_fini(adev); 1497 } 1498 1499 static int vi_common_resume(void *handle) 1500 { 1501 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1502 1503 return vi_common_hw_init(adev); 1504 } 1505 1506 static bool vi_common_is_idle(void *handle) 1507 { 1508 return true; 1509 } 1510 1511 static int vi_common_wait_for_idle(void *handle) 1512 { 1513 return 0; 1514 } 1515 1516 static void vi_common_print_status(void *handle) 1517 { 1518 return; 1519 } 1520 1521 static int vi_common_soft_reset(void *handle) 1522 { 1523 return 0; 1524 } 1525 1526 static int vi_common_set_clockgating_state(void *handle, 1527 enum amd_clockgating_state state) 1528 { 1529 return 0; 1530 } 1531 1532 static int vi_common_set_powergating_state(void *handle, 1533 enum amd_powergating_state state) 1534 { 1535 return 0; 1536 } 1537 1538 const struct amd_ip_funcs vi_common_ip_funcs = { 1539 .early_init = vi_common_early_init, 1540 .late_init = NULL, 1541 .sw_init = vi_common_sw_init, 1542 .sw_fini = vi_common_sw_fini, 1543 .hw_init = vi_common_hw_init, 1544 .hw_fini = vi_common_hw_fini, 1545 .suspend = vi_common_suspend, 1546 .resume = vi_common_resume, 1547 .is_idle = vi_common_is_idle, 1548 .wait_for_idle = vi_common_wait_for_idle, 1549 .soft_reset = vi_common_soft_reset, 1550 .print_status = vi_common_print_status, 1551 .set_clockgating_state = vi_common_set_clockgating_state, 1552 .set_powergating_state = vi_common_set_powergating_state, 1553 }; 1554 1555