1 /* 2 * Copyright 2012 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/pci.h> 25 #include <linux/seq_file.h> 26 27 #include "r600_dpm.h" 28 #include "radeon.h" 29 #include "radeon_asic.h" 30 #include "trinity_dpm.h" 31 #include "trinityd.h" 32 #include "vce.h" 33 34 #define TRINITY_MAX_DEEPSLEEP_DIVIDER_ID 5 35 #define TRINITY_MINIMUM_ENGINE_CLOCK 800 36 #define SCLK_MIN_DIV_INTV_SHIFT 12 37 #define TRINITY_DISPCLK_BYPASS_THRESHOLD 10000 38 39 #ifndef TRINITY_MGCG_SEQUENCE 40 #define TRINITY_MGCG_SEQUENCE 100 41 42 static const u32 trinity_mgcg_shls_default[] = { 43 /* Register, Value, Mask */ 44 0x0000802c, 0xc0000000, 0xffffffff, 45 0x00003fc4, 0xc0000000, 0xffffffff, 46 0x00005448, 0x00000100, 0xffffffff, 47 0x000055e4, 0x00000100, 0xffffffff, 48 0x0000160c, 0x00000100, 0xffffffff, 49 0x00008984, 0x06000100, 0xffffffff, 50 0x0000c164, 0x00000100, 0xffffffff, 51 0x00008a18, 0x00000100, 0xffffffff, 52 0x0000897c, 0x06000100, 0xffffffff, 53 0x00008b28, 0x00000100, 0xffffffff, 54 0x00009144, 0x00800200, 0xffffffff, 55 0x00009a60, 0x00000100, 0xffffffff, 56 0x00009868, 0x00000100, 0xffffffff, 57 0x00008d58, 0x00000100, 0xffffffff, 58 0x00009510, 0x00000100, 0xffffffff, 59 0x0000949c, 0x00000100, 0xffffffff, 60 0x00009654, 0x00000100, 0xffffffff, 61 0x00009030, 0x00000100, 0xffffffff, 62 0x00009034, 0x00000100, 0xffffffff, 63 0x00009038, 0x00000100, 0xffffffff, 64 0x0000903c, 0x00000100, 0xffffffff, 65 0x00009040, 0x00000100, 0xffffffff, 66 0x0000a200, 0x00000100, 0xffffffff, 67 0x0000a204, 0x00000100, 0xffffffff, 68 0x0000a208, 0x00000100, 0xffffffff, 69 0x0000a20c, 0x00000100, 0xffffffff, 70 0x00009744, 0x00000100, 0xffffffff, 71 0x00003f80, 0x00000100, 0xffffffff, 72 0x0000a210, 0x00000100, 0xffffffff, 73 0x0000a214, 0x00000100, 0xffffffff, 74 0x000004d8, 0x00000100, 0xffffffff, 75 0x00009664, 0x00000100, 0xffffffff, 76 0x00009698, 0x00000100, 0xffffffff, 77 0x000004d4, 0x00000200, 0xffffffff, 78 0x000004d0, 0x00000000, 0xffffffff, 79 0x000030cc, 0x00000104, 0xffffffff, 80 0x0000d0c0, 0x00000100, 0xffffffff, 81 0x0000d8c0, 0x00000100, 0xffffffff, 82 0x0000951c, 0x00010000, 0xffffffff, 83 0x00009160, 0x00030002, 0xffffffff, 84 0x00009164, 0x00050004, 0xffffffff, 85 0x00009168, 0x00070006, 0xffffffff, 86 0x00009178, 0x00070000, 0xffffffff, 87 0x0000917c, 0x00030002, 0xffffffff, 88 0x00009180, 0x00050004, 0xffffffff, 89 0x0000918c, 0x00010006, 0xffffffff, 90 0x00009190, 0x00090008, 0xffffffff, 91 0x00009194, 0x00070000, 0xffffffff, 92 0x00009198, 0x00030002, 0xffffffff, 93 0x0000919c, 0x00050004, 0xffffffff, 94 0x000091a8, 0x00010006, 0xffffffff, 95 0x000091ac, 0x00090008, 0xffffffff, 96 0x000091b0, 0x00070000, 0xffffffff, 97 0x000091b4, 0x00030002, 0xffffffff, 98 0x000091b8, 0x00050004, 0xffffffff, 99 0x000091c4, 0x00010006, 0xffffffff, 100 0x000091c8, 0x00090008, 0xffffffff, 101 0x000091cc, 0x00070000, 0xffffffff, 102 0x000091d0, 0x00030002, 0xffffffff, 103 0x000091d4, 0x00050004, 0xffffffff, 104 0x000091e0, 0x00010006, 0xffffffff, 105 0x000091e4, 0x00090008, 0xffffffff, 106 0x000091e8, 0x00000000, 0xffffffff, 107 0x000091ec, 0x00070000, 0xffffffff, 108 0x000091f0, 0x00030002, 0xffffffff, 109 0x000091f4, 0x00050004, 0xffffffff, 110 0x00009200, 0x00010006, 0xffffffff, 111 0x00009204, 0x00090008, 0xffffffff, 112 0x00009208, 0x00070000, 0xffffffff, 113 0x0000920c, 0x00030002, 0xffffffff, 114 0x00009210, 0x00050004, 0xffffffff, 115 0x0000921c, 0x00010006, 0xffffffff, 116 0x00009220, 0x00090008, 0xffffffff, 117 0x00009294, 0x00000000, 0xffffffff 118 }; 119 #endif 120 121 #ifndef TRINITY_SYSLS_SEQUENCE 122 #define TRINITY_SYSLS_SEQUENCE 100 123 124 static const u32 trinity_sysls_disable[] = { 125 /* Register, Value, Mask */ 126 0x0000d0c0, 0x00000000, 0xffffffff, 127 0x0000d8c0, 0x00000000, 0xffffffff, 128 0x000055e8, 0x00000000, 0xffffffff, 129 0x0000d0bc, 0x00000000, 0xffffffff, 130 0x0000d8bc, 0x00000000, 0xffffffff, 131 0x000015c0, 0x00041401, 0xffffffff, 132 0x0000264c, 0x00040400, 0xffffffff, 133 0x00002648, 0x00040400, 0xffffffff, 134 0x00002650, 0x00040400, 0xffffffff, 135 0x000020b8, 0x00040400, 0xffffffff, 136 0x000020bc, 0x00040400, 0xffffffff, 137 0x000020c0, 0x00040c80, 0xffffffff, 138 0x0000f4a0, 0x000000c0, 0xffffffff, 139 0x0000f4a4, 0x00680000, 0xffffffff, 140 0x00002f50, 0x00000404, 0xffffffff, 141 0x000004c8, 0x00000001, 0xffffffff, 142 0x0000641c, 0x00007ffd, 0xffffffff, 143 0x00000c7c, 0x0000ff00, 0xffffffff, 144 0x00006dfc, 0x0000007f, 0xffffffff 145 }; 146 147 static const u32 trinity_sysls_enable[] = { 148 /* Register, Value, Mask */ 149 0x000055e8, 0x00000001, 0xffffffff, 150 0x0000d0bc, 0x00000100, 0xffffffff, 151 0x0000d8bc, 0x00000100, 0xffffffff, 152 0x000015c0, 0x000c1401, 0xffffffff, 153 0x0000264c, 0x000c0400, 0xffffffff, 154 0x00002648, 0x000c0400, 0xffffffff, 155 0x00002650, 0x000c0400, 0xffffffff, 156 0x000020b8, 0x000c0400, 0xffffffff, 157 0x000020bc, 0x000c0400, 0xffffffff, 158 0x000020c0, 0x000c0c80, 0xffffffff, 159 0x0000f4a0, 0x000000c0, 0xffffffff, 160 0x0000f4a4, 0x00680fff, 0xffffffff, 161 0x00002f50, 0x00000903, 0xffffffff, 162 0x000004c8, 0x00000000, 0xffffffff, 163 0x0000641c, 0x00000000, 0xffffffff, 164 0x00000c7c, 0x00000000, 0xffffffff, 165 0x00006dfc, 0x00000000, 0xffffffff 166 }; 167 #endif 168 169 static const u32 trinity_override_mgpg_sequences[] = { 170 /* Register, Value */ 171 0x00000200, 0xE030032C, 172 0x00000204, 0x00000FFF, 173 0x00000200, 0xE0300058, 174 0x00000204, 0x00030301, 175 0x00000200, 0xE0300054, 176 0x00000204, 0x500010FF, 177 0x00000200, 0xE0300074, 178 0x00000204, 0x00030301, 179 0x00000200, 0xE0300070, 180 0x00000204, 0x500010FF, 181 0x00000200, 0xE0300090, 182 0x00000204, 0x00030301, 183 0x00000200, 0xE030008C, 184 0x00000204, 0x500010FF, 185 0x00000200, 0xE03000AC, 186 0x00000204, 0x00030301, 187 0x00000200, 0xE03000A8, 188 0x00000204, 0x500010FF, 189 0x00000200, 0xE03000C8, 190 0x00000204, 0x00030301, 191 0x00000200, 0xE03000C4, 192 0x00000204, 0x500010FF, 193 0x00000200, 0xE03000E4, 194 0x00000204, 0x00030301, 195 0x00000200, 0xE03000E0, 196 0x00000204, 0x500010FF, 197 0x00000200, 0xE0300100, 198 0x00000204, 0x00030301, 199 0x00000200, 0xE03000FC, 200 0x00000204, 0x500010FF, 201 0x00000200, 0xE0300058, 202 0x00000204, 0x00030303, 203 0x00000200, 0xE0300054, 204 0x00000204, 0x600010FF, 205 0x00000200, 0xE0300074, 206 0x00000204, 0x00030303, 207 0x00000200, 0xE0300070, 208 0x00000204, 0x600010FF, 209 0x00000200, 0xE0300090, 210 0x00000204, 0x00030303, 211 0x00000200, 0xE030008C, 212 0x00000204, 0x600010FF, 213 0x00000200, 0xE03000AC, 214 0x00000204, 0x00030303, 215 0x00000200, 0xE03000A8, 216 0x00000204, 0x600010FF, 217 0x00000200, 0xE03000C8, 218 0x00000204, 0x00030303, 219 0x00000200, 0xE03000C4, 220 0x00000204, 0x600010FF, 221 0x00000200, 0xE03000E4, 222 0x00000204, 0x00030303, 223 0x00000200, 0xE03000E0, 224 0x00000204, 0x600010FF, 225 0x00000200, 0xE0300100, 226 0x00000204, 0x00030303, 227 0x00000200, 0xE03000FC, 228 0x00000204, 0x600010FF, 229 0x00000200, 0xE0300058, 230 0x00000204, 0x00030303, 231 0x00000200, 0xE0300054, 232 0x00000204, 0x700010FF, 233 0x00000200, 0xE0300074, 234 0x00000204, 0x00030303, 235 0x00000200, 0xE0300070, 236 0x00000204, 0x700010FF, 237 0x00000200, 0xE0300090, 238 0x00000204, 0x00030303, 239 0x00000200, 0xE030008C, 240 0x00000204, 0x700010FF, 241 0x00000200, 0xE03000AC, 242 0x00000204, 0x00030303, 243 0x00000200, 0xE03000A8, 244 0x00000204, 0x700010FF, 245 0x00000200, 0xE03000C8, 246 0x00000204, 0x00030303, 247 0x00000200, 0xE03000C4, 248 0x00000204, 0x700010FF, 249 0x00000200, 0xE03000E4, 250 0x00000204, 0x00030303, 251 0x00000200, 0xE03000E0, 252 0x00000204, 0x700010FF, 253 0x00000200, 0xE0300100, 254 0x00000204, 0x00030303, 255 0x00000200, 0xE03000FC, 256 0x00000204, 0x700010FF, 257 0x00000200, 0xE0300058, 258 0x00000204, 0x00010303, 259 0x00000200, 0xE0300054, 260 0x00000204, 0x800010FF, 261 0x00000200, 0xE0300074, 262 0x00000204, 0x00010303, 263 0x00000200, 0xE0300070, 264 0x00000204, 0x800010FF, 265 0x00000200, 0xE0300090, 266 0x00000204, 0x00010303, 267 0x00000200, 0xE030008C, 268 0x00000204, 0x800010FF, 269 0x00000200, 0xE03000AC, 270 0x00000204, 0x00010303, 271 0x00000200, 0xE03000A8, 272 0x00000204, 0x800010FF, 273 0x00000200, 0xE03000C4, 274 0x00000204, 0x800010FF, 275 0x00000200, 0xE03000C8, 276 0x00000204, 0x00010303, 277 0x00000200, 0xE03000E4, 278 0x00000204, 0x00010303, 279 0x00000200, 0xE03000E0, 280 0x00000204, 0x800010FF, 281 0x00000200, 0xE0300100, 282 0x00000204, 0x00010303, 283 0x00000200, 0xE03000FC, 284 0x00000204, 0x800010FF, 285 0x00000200, 0x0001f198, 286 0x00000204, 0x0003ffff, 287 0x00000200, 0x0001f19C, 288 0x00000204, 0x3fffffff, 289 0x00000200, 0xE030032C, 290 0x00000204, 0x00000000, 291 }; 292 293 static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev, 294 const u32 *seq, u32 count); 295 static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev); 296 static void trinity_apply_state_adjust_rules(struct radeon_device *rdev, 297 struct radeon_ps *new_rps, 298 struct radeon_ps *old_rps); 299 300 static struct trinity_ps *trinity_get_ps(struct radeon_ps *rps) 301 { 302 struct trinity_ps *ps = rps->ps_priv; 303 304 return ps; 305 } 306 307 static struct trinity_power_info *trinity_get_pi(struct radeon_device *rdev) 308 { 309 struct trinity_power_info *pi = rdev->pm.dpm.priv; 310 311 return pi; 312 } 313 314 static void trinity_gfx_powergating_initialize(struct radeon_device *rdev) 315 { 316 struct trinity_power_info *pi = trinity_get_pi(rdev); 317 u32 p, u; 318 u32 value; 319 struct atom_clock_dividers dividers; 320 u32 xclk = radeon_get_xclk(rdev); 321 u32 sssd = 1; 322 int ret; 323 u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT; 324 325 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 326 25000, false, ÷rs); 327 if (ret) 328 return; 329 330 value = RREG32_SMC(GFX_POWER_GATING_CNTL); 331 value &= ~(SSSD_MASK | PDS_DIV_MASK); 332 if (sssd) 333 value |= SSSD(1); 334 value |= PDS_DIV(dividers.post_div); 335 WREG32_SMC(GFX_POWER_GATING_CNTL, value); 336 337 r600_calculate_u_and_p(500, xclk, 16, &p, &u); 338 339 WREG32(CG_PG_CTRL, SP(p) | SU(u)); 340 341 WREG32_P(CG_GIPOTS, CG_GIPOT(p), ~CG_GIPOT_MASK); 342 343 /* XXX double check hw_rev */ 344 if (pi->override_dynamic_mgpg && (hw_rev == 0)) 345 trinity_override_dynamic_mg_powergating(rdev); 346 347 } 348 349 #define CGCG_CGTT_LOCAL0_MASK 0xFFFF33FF 350 #define CGCG_CGTT_LOCAL1_MASK 0xFFFB0FFE 351 #define CGTS_SM_CTRL_REG_DISABLE 0x00600000 352 #define CGTS_SM_CTRL_REG_ENABLE 0x96944200 353 354 static void trinity_mg_clockgating_enable(struct radeon_device *rdev, 355 bool enable) 356 { 357 u32 local0; 358 u32 local1; 359 360 if (enable) { 361 local0 = RREG32_CG(CG_CGTT_LOCAL_0); 362 local1 = RREG32_CG(CG_CGTT_LOCAL_1); 363 364 WREG32_CG(CG_CGTT_LOCAL_0, 365 (0x00380000 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK)); 366 WREG32_CG(CG_CGTT_LOCAL_1, 367 (0x0E000000 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK)); 368 369 WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_ENABLE); 370 } else { 371 WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_DISABLE); 372 373 local0 = RREG32_CG(CG_CGTT_LOCAL_0); 374 local1 = RREG32_CG(CG_CGTT_LOCAL_1); 375 376 WREG32_CG(CG_CGTT_LOCAL_0, 377 CGCG_CGTT_LOCAL0_MASK | (local0 & ~CGCG_CGTT_LOCAL0_MASK)); 378 WREG32_CG(CG_CGTT_LOCAL_1, 379 CGCG_CGTT_LOCAL1_MASK | (local1 & ~CGCG_CGTT_LOCAL1_MASK)); 380 } 381 } 382 383 static void trinity_mg_clockgating_initialize(struct radeon_device *rdev) 384 { 385 u32 count; 386 const u32 *seq = NULL; 387 388 seq = &trinity_mgcg_shls_default[0]; 389 count = sizeof(trinity_mgcg_shls_default) / (3 * sizeof(u32)); 390 391 trinity_program_clk_gating_hw_sequence(rdev, seq, count); 392 } 393 394 static void trinity_gfx_clockgating_enable(struct radeon_device *rdev, 395 bool enable) 396 { 397 if (enable) { 398 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); 399 } else { 400 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 401 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 402 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 403 RREG32(GB_ADDR_CONFIG); 404 } 405 } 406 407 static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev, 408 const u32 *seq, u32 count) 409 { 410 u32 i, length = count * 3; 411 412 for (i = 0; i < length; i += 3) 413 WREG32_P(seq[i], seq[i+1], ~seq[i+2]); 414 } 415 416 static void trinity_program_override_mgpg_sequences(struct radeon_device *rdev, 417 const u32 *seq, u32 count) 418 { 419 u32 i, length = count * 2; 420 421 for (i = 0; i < length; i += 2) 422 WREG32(seq[i], seq[i+1]); 423 424 } 425 426 static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev) 427 { 428 u32 count; 429 const u32 *seq = NULL; 430 431 seq = &trinity_override_mgpg_sequences[0]; 432 count = sizeof(trinity_override_mgpg_sequences) / (2 * sizeof(u32)); 433 434 trinity_program_override_mgpg_sequences(rdev, seq, count); 435 } 436 437 static void trinity_ls_clockgating_enable(struct radeon_device *rdev, 438 bool enable) 439 { 440 u32 count; 441 const u32 *seq = NULL; 442 443 if (enable) { 444 seq = &trinity_sysls_enable[0]; 445 count = sizeof(trinity_sysls_enable) / (3 * sizeof(u32)); 446 } else { 447 seq = &trinity_sysls_disable[0]; 448 count = sizeof(trinity_sysls_disable) / (3 * sizeof(u32)); 449 } 450 451 trinity_program_clk_gating_hw_sequence(rdev, seq, count); 452 } 453 454 static void trinity_gfx_powergating_enable(struct radeon_device *rdev, 455 bool enable) 456 { 457 if (enable) { 458 if (RREG32_SMC(CC_SMU_TST_EFUSE1_MISC) & RB_BACKEND_DISABLE_MASK) 459 WREG32_SMC(SMU_SCRATCH_A, (RREG32_SMC(SMU_SCRATCH_A) | 0x01)); 460 461 WREG32_P(SCLK_PWRMGT_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN); 462 } else { 463 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_PWR_DOWN_EN); 464 RREG32(GB_ADDR_CONFIG); 465 } 466 } 467 468 static void trinity_gfx_dynamic_mgpg_enable(struct radeon_device *rdev, 469 bool enable) 470 { 471 u32 value; 472 473 if (enable) { 474 value = RREG32_SMC(PM_I_CNTL_1); 475 value &= ~DS_PG_CNTL_MASK; 476 value |= DS_PG_CNTL(1); 477 WREG32_SMC(PM_I_CNTL_1, value); 478 479 value = RREG32_SMC(SMU_S_PG_CNTL); 480 value &= ~DS_PG_EN_MASK; 481 value |= DS_PG_EN(1); 482 WREG32_SMC(SMU_S_PG_CNTL, value); 483 } else { 484 value = RREG32_SMC(SMU_S_PG_CNTL); 485 value &= ~DS_PG_EN_MASK; 486 WREG32_SMC(SMU_S_PG_CNTL, value); 487 488 value = RREG32_SMC(PM_I_CNTL_1); 489 value &= ~DS_PG_CNTL_MASK; 490 WREG32_SMC(PM_I_CNTL_1, value); 491 } 492 493 trinity_gfx_dynamic_mgpg_config(rdev); 494 495 } 496 497 static void trinity_enable_clock_power_gating(struct radeon_device *rdev) 498 { 499 struct trinity_power_info *pi = trinity_get_pi(rdev); 500 501 if (pi->enable_gfx_clock_gating) 502 sumo_gfx_clockgating_initialize(rdev); 503 if (pi->enable_mg_clock_gating) 504 trinity_mg_clockgating_initialize(rdev); 505 if (pi->enable_gfx_power_gating) 506 trinity_gfx_powergating_initialize(rdev); 507 if (pi->enable_mg_clock_gating) { 508 trinity_ls_clockgating_enable(rdev, true); 509 trinity_mg_clockgating_enable(rdev, true); 510 } 511 if (pi->enable_gfx_clock_gating) 512 trinity_gfx_clockgating_enable(rdev, true); 513 if (pi->enable_gfx_dynamic_mgpg) 514 trinity_gfx_dynamic_mgpg_enable(rdev, true); 515 if (pi->enable_gfx_power_gating) 516 trinity_gfx_powergating_enable(rdev, true); 517 } 518 519 static void trinity_disable_clock_power_gating(struct radeon_device *rdev) 520 { 521 struct trinity_power_info *pi = trinity_get_pi(rdev); 522 523 if (pi->enable_gfx_power_gating) 524 trinity_gfx_powergating_enable(rdev, false); 525 if (pi->enable_gfx_dynamic_mgpg) 526 trinity_gfx_dynamic_mgpg_enable(rdev, false); 527 if (pi->enable_gfx_clock_gating) 528 trinity_gfx_clockgating_enable(rdev, false); 529 if (pi->enable_mg_clock_gating) { 530 trinity_mg_clockgating_enable(rdev, false); 531 trinity_ls_clockgating_enable(rdev, false); 532 } 533 } 534 535 static void trinity_set_divider_value(struct radeon_device *rdev, 536 u32 index, u32 sclk) 537 { 538 struct atom_clock_dividers dividers; 539 int ret; 540 u32 value; 541 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 542 543 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 544 sclk, false, ÷rs); 545 if (ret) 546 return; 547 548 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 549 value &= ~CLK_DIVIDER_MASK; 550 value |= CLK_DIVIDER(dividers.post_div); 551 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 552 553 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 554 sclk/2, false, ÷rs); 555 if (ret) 556 return; 557 558 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix); 559 value &= ~PD_SCLK_DIVIDER_MASK; 560 value |= PD_SCLK_DIVIDER(dividers.post_div); 561 WREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix, value); 562 } 563 564 static void trinity_set_ds_dividers(struct radeon_device *rdev, 565 u32 index, u32 divider) 566 { 567 u32 value; 568 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 569 570 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 571 value &= ~DS_DIV_MASK; 572 value |= DS_DIV(divider); 573 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 574 } 575 576 static void trinity_set_ss_dividers(struct radeon_device *rdev, 577 u32 index, u32 divider) 578 { 579 u32 value; 580 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 581 582 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 583 value &= ~DS_SH_DIV_MASK; 584 value |= DS_SH_DIV(divider); 585 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 586 } 587 588 static void trinity_set_vid(struct radeon_device *rdev, u32 index, u32 vid) 589 { 590 struct trinity_power_info *pi = trinity_get_pi(rdev); 591 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid); 592 u32 value; 593 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 594 595 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 596 value &= ~VID_MASK; 597 value |= VID(vid_7bit); 598 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 599 600 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 601 value &= ~LVRT_MASK; 602 value |= LVRT(0); 603 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 604 } 605 606 static void trinity_set_allos_gnb_slow(struct radeon_device *rdev, 607 u32 index, u32 gnb_slow) 608 { 609 u32 value; 610 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 611 612 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix); 613 value &= ~GNB_SLOW_MASK; 614 value |= GNB_SLOW(gnb_slow); 615 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value); 616 } 617 618 static void trinity_set_force_nbp_state(struct radeon_device *rdev, 619 u32 index, u32 force_nbp_state) 620 { 621 u32 value; 622 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 623 624 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix); 625 value &= ~FORCE_NBPS1_MASK; 626 value |= FORCE_NBPS1(force_nbp_state); 627 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value); 628 } 629 630 static void trinity_set_display_wm(struct radeon_device *rdev, 631 u32 index, u32 wm) 632 { 633 u32 value; 634 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 635 636 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 637 value &= ~DISPLAY_WM_MASK; 638 value |= DISPLAY_WM(wm); 639 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 640 } 641 642 static void trinity_set_vce_wm(struct radeon_device *rdev, 643 u32 index, u32 wm) 644 { 645 u32 value; 646 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 647 648 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 649 value &= ~VCE_WM_MASK; 650 value |= VCE_WM(wm); 651 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 652 } 653 654 static void trinity_set_at(struct radeon_device *rdev, 655 u32 index, u32 at) 656 { 657 u32 value; 658 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 659 660 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix); 661 value &= ~AT_MASK; 662 value |= AT(at); 663 WREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix, value); 664 } 665 666 static void trinity_program_power_level(struct radeon_device *rdev, 667 struct trinity_pl *pl, u32 index) 668 { 669 struct trinity_power_info *pi = trinity_get_pi(rdev); 670 671 if (index >= SUMO_MAX_HARDWARE_POWERLEVELS) 672 return; 673 674 trinity_set_divider_value(rdev, index, pl->sclk); 675 trinity_set_vid(rdev, index, pl->vddc_index); 676 trinity_set_ss_dividers(rdev, index, pl->ss_divider_index); 677 trinity_set_ds_dividers(rdev, index, pl->ds_divider_index); 678 trinity_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow); 679 trinity_set_force_nbp_state(rdev, index, pl->force_nbp_state); 680 trinity_set_display_wm(rdev, index, pl->display_wm); 681 trinity_set_vce_wm(rdev, index, pl->vce_wm); 682 trinity_set_at(rdev, index, pi->at[index]); 683 } 684 685 static void trinity_power_level_enable_disable(struct radeon_device *rdev, 686 u32 index, bool enable) 687 { 688 u32 value; 689 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 690 691 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 692 value &= ~STATE_VALID_MASK; 693 if (enable) 694 value |= STATE_VALID(1); 695 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 696 } 697 698 static bool trinity_dpm_enabled(struct radeon_device *rdev) 699 { 700 if (RREG32_SMC(SMU_SCLK_DPM_CNTL) & SCLK_DPM_EN(1)) 701 return true; 702 else 703 return false; 704 } 705 706 static void trinity_start_dpm(struct radeon_device *rdev) 707 { 708 u32 value = RREG32_SMC(SMU_SCLK_DPM_CNTL); 709 710 value &= ~(SCLK_DPM_EN_MASK | SCLK_DPM_BOOT_STATE_MASK | VOLTAGE_CHG_EN_MASK); 711 value |= SCLK_DPM_EN(1) | SCLK_DPM_BOOT_STATE(0) | VOLTAGE_CHG_EN(1); 712 WREG32_SMC(SMU_SCLK_DPM_CNTL, value); 713 714 WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN); 715 WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~EN); 716 717 trinity_dpm_config(rdev, true); 718 } 719 720 static void trinity_wait_for_dpm_enabled(struct radeon_device *rdev) 721 { 722 int i; 723 724 for (i = 0; i < rdev->usec_timeout; i++) { 725 if (RREG32(SCLK_PWRMGT_CNTL) & DYNAMIC_PM_EN) 726 break; 727 udelay(1); 728 } 729 for (i = 0; i < rdev->usec_timeout; i++) { 730 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_STATE_MASK) == 0) 731 break; 732 udelay(1); 733 } 734 for (i = 0; i < rdev->usec_timeout; i++) { 735 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0) 736 break; 737 udelay(1); 738 } 739 } 740 741 static void trinity_stop_dpm(struct radeon_device *rdev) 742 { 743 u32 sclk_dpm_cntl; 744 745 WREG32_P(CG_CG_VOLTAGE_CNTL, EN, ~EN); 746 747 sclk_dpm_cntl = RREG32_SMC(SMU_SCLK_DPM_CNTL); 748 sclk_dpm_cntl &= ~(SCLK_DPM_EN_MASK | VOLTAGE_CHG_EN_MASK); 749 WREG32_SMC(SMU_SCLK_DPM_CNTL, sclk_dpm_cntl); 750 751 trinity_dpm_config(rdev, false); 752 } 753 754 static void trinity_start_am(struct radeon_device *rdev) 755 { 756 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~(RESET_SCLK_CNT | RESET_BUSY_CNT)); 757 } 758 759 static void trinity_reset_am(struct radeon_device *rdev) 760 { 761 WREG32_P(SCLK_PWRMGT_CNTL, RESET_SCLK_CNT | RESET_BUSY_CNT, 762 ~(RESET_SCLK_CNT | RESET_BUSY_CNT)); 763 } 764 765 static void trinity_wait_for_level_0(struct radeon_device *rdev) 766 { 767 int i; 768 769 for (i = 0; i < rdev->usec_timeout; i++) { 770 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0) 771 break; 772 udelay(1); 773 } 774 } 775 776 static void trinity_enable_power_level_0(struct radeon_device *rdev) 777 { 778 trinity_power_level_enable_disable(rdev, 0, true); 779 } 780 781 static void trinity_force_level_0(struct radeon_device *rdev) 782 { 783 trinity_dpm_force_state(rdev, 0); 784 } 785 786 static void trinity_unforce_levels(struct radeon_device *rdev) 787 { 788 trinity_dpm_no_forced_level(rdev); 789 } 790 791 static void trinity_program_power_levels_0_to_n(struct radeon_device *rdev, 792 struct radeon_ps *new_rps, 793 struct radeon_ps *old_rps) 794 { 795 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 796 struct trinity_ps *old_ps = trinity_get_ps(old_rps); 797 u32 i; 798 u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels; 799 800 for (i = 0; i < new_ps->num_levels; i++) { 801 trinity_program_power_level(rdev, &new_ps->levels[i], i); 802 trinity_power_level_enable_disable(rdev, i, true); 803 } 804 805 for (i = new_ps->num_levels; i < n_current_state_levels; i++) 806 trinity_power_level_enable_disable(rdev, i, false); 807 } 808 809 static void trinity_program_bootup_state(struct radeon_device *rdev) 810 { 811 struct trinity_power_info *pi = trinity_get_pi(rdev); 812 u32 i; 813 814 trinity_program_power_level(rdev, &pi->boot_pl, 0); 815 trinity_power_level_enable_disable(rdev, 0, true); 816 817 for (i = 1; i < 8; i++) 818 trinity_power_level_enable_disable(rdev, i, false); 819 } 820 821 static void trinity_setup_uvd_clock_table(struct radeon_device *rdev, 822 struct radeon_ps *rps) 823 { 824 struct trinity_ps *ps = trinity_get_ps(rps); 825 u32 uvdstates = (ps->vclk_low_divider | 826 ps->vclk_high_divider << 8 | 827 ps->dclk_low_divider << 16 | 828 ps->dclk_high_divider << 24); 829 830 WREG32_SMC(SMU_UVD_DPM_STATES, uvdstates); 831 } 832 833 static void trinity_setup_uvd_dpm_interval(struct radeon_device *rdev, 834 u32 interval) 835 { 836 u32 p, u; 837 u32 tp = RREG32_SMC(PM_TP); 838 u32 val; 839 u32 xclk = radeon_get_xclk(rdev); 840 841 r600_calculate_u_and_p(interval, xclk, 16, &p, &u); 842 843 val = (p + tp - 1) / tp; 844 845 WREG32_SMC(SMU_UVD_DPM_CNTL, val); 846 } 847 848 static bool trinity_uvd_clocks_zero(struct radeon_ps *rps) 849 { 850 if ((rps->vclk == 0) && (rps->dclk == 0)) 851 return true; 852 else 853 return false; 854 } 855 856 static bool trinity_uvd_clocks_equal(struct radeon_ps *rps1, 857 struct radeon_ps *rps2) 858 { 859 struct trinity_ps *ps1 = trinity_get_ps(rps1); 860 struct trinity_ps *ps2 = trinity_get_ps(rps2); 861 862 if ((rps1->vclk == rps2->vclk) && 863 (rps1->dclk == rps2->dclk) && 864 (ps1->vclk_low_divider == ps2->vclk_low_divider) && 865 (ps1->vclk_high_divider == ps2->vclk_high_divider) && 866 (ps1->dclk_low_divider == ps2->dclk_low_divider) && 867 (ps1->dclk_high_divider == ps2->dclk_high_divider)) 868 return true; 869 else 870 return false; 871 } 872 873 static void trinity_setup_uvd_clocks(struct radeon_device *rdev, 874 struct radeon_ps *new_rps, 875 struct radeon_ps *old_rps) 876 { 877 struct trinity_power_info *pi = trinity_get_pi(rdev); 878 879 if (pi->enable_gfx_power_gating) { 880 trinity_gfx_powergating_enable(rdev, false); 881 } 882 883 if (pi->uvd_dpm) { 884 if (trinity_uvd_clocks_zero(new_rps) && 885 !trinity_uvd_clocks_zero(old_rps)) { 886 trinity_setup_uvd_dpm_interval(rdev, 0); 887 } else if (!trinity_uvd_clocks_zero(new_rps)) { 888 trinity_setup_uvd_clock_table(rdev, new_rps); 889 890 if (trinity_uvd_clocks_zero(old_rps)) { 891 u32 tmp = RREG32(CG_MISC_REG); 892 tmp &= 0xfffffffd; 893 WREG32(CG_MISC_REG, tmp); 894 895 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 896 897 trinity_setup_uvd_dpm_interval(rdev, 3000); 898 } 899 } 900 trinity_uvd_dpm_config(rdev); 901 } else { 902 if (trinity_uvd_clocks_zero(new_rps) || 903 trinity_uvd_clocks_equal(new_rps, old_rps)) 904 return; 905 906 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 907 } 908 909 if (pi->enable_gfx_power_gating) { 910 trinity_gfx_powergating_enable(rdev, true); 911 } 912 } 913 914 static void trinity_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev, 915 struct radeon_ps *new_rps, 916 struct radeon_ps *old_rps) 917 { 918 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 919 struct trinity_ps *current_ps = trinity_get_ps(new_rps); 920 921 if (new_ps->levels[new_ps->num_levels - 1].sclk >= 922 current_ps->levels[current_ps->num_levels - 1].sclk) 923 return; 924 925 trinity_setup_uvd_clocks(rdev, new_rps, old_rps); 926 } 927 928 static void trinity_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, 929 struct radeon_ps *new_rps, 930 struct radeon_ps *old_rps) 931 { 932 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 933 struct trinity_ps *current_ps = trinity_get_ps(old_rps); 934 935 if (new_ps->levels[new_ps->num_levels - 1].sclk < 936 current_ps->levels[current_ps->num_levels - 1].sclk) 937 return; 938 939 trinity_setup_uvd_clocks(rdev, new_rps, old_rps); 940 } 941 942 static void trinity_set_vce_clock(struct radeon_device *rdev, 943 struct radeon_ps *new_rps, 944 struct radeon_ps *old_rps) 945 { 946 if ((old_rps->evclk != new_rps->evclk) || 947 (old_rps->ecclk != new_rps->ecclk)) { 948 /* turn the clocks on when encoding, off otherwise */ 949 if (new_rps->evclk || new_rps->ecclk) 950 vce_v1_0_enable_mgcg(rdev, false); 951 else 952 vce_v1_0_enable_mgcg(rdev, true); 953 radeon_set_vce_clocks(rdev, new_rps->evclk, new_rps->ecclk); 954 } 955 } 956 957 static void trinity_program_ttt(struct radeon_device *rdev) 958 { 959 struct trinity_power_info *pi = trinity_get_pi(rdev); 960 u32 value = RREG32_SMC(SMU_SCLK_DPM_TTT); 961 962 value &= ~(HT_MASK | LT_MASK); 963 value |= HT((pi->thermal_auto_throttling + 49) * 8); 964 value |= LT((pi->thermal_auto_throttling + 49 - pi->sys_info.htc_hyst_lmt) * 8); 965 WREG32_SMC(SMU_SCLK_DPM_TTT, value); 966 } 967 968 static void trinity_enable_att(struct radeon_device *rdev) 969 { 970 u32 value = RREG32_SMC(SMU_SCLK_DPM_TT_CNTL); 971 972 value &= ~SCLK_TT_EN_MASK; 973 value |= SCLK_TT_EN(1); 974 WREG32_SMC(SMU_SCLK_DPM_TT_CNTL, value); 975 } 976 977 static void trinity_program_sclk_dpm(struct radeon_device *rdev) 978 { 979 u32 p, u; 980 u32 tp = RREG32_SMC(PM_TP); 981 u32 ni; 982 u32 xclk = radeon_get_xclk(rdev); 983 u32 value; 984 985 r600_calculate_u_and_p(400, xclk, 16, &p, &u); 986 987 ni = (p + tp - 1) / tp; 988 989 value = RREG32_SMC(PM_I_CNTL_1); 990 value &= ~SCLK_DPM_MASK; 991 value |= SCLK_DPM(ni); 992 WREG32_SMC(PM_I_CNTL_1, value); 993 } 994 995 static int trinity_set_thermal_temperature_range(struct radeon_device *rdev, 996 int min_temp, int max_temp) 997 { 998 int low_temp = 0 * 1000; 999 int high_temp = 255 * 1000; 1000 1001 if (low_temp < min_temp) 1002 low_temp = min_temp; 1003 if (high_temp > max_temp) 1004 high_temp = max_temp; 1005 if (high_temp < low_temp) { 1006 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); 1007 return -EINVAL; 1008 } 1009 1010 WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK); 1011 WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK); 1012 1013 rdev->pm.dpm.thermal.min_temp = low_temp; 1014 rdev->pm.dpm.thermal.max_temp = high_temp; 1015 1016 return 0; 1017 } 1018 1019 static void trinity_update_current_ps(struct radeon_device *rdev, 1020 struct radeon_ps *rps) 1021 { 1022 struct trinity_ps *new_ps = trinity_get_ps(rps); 1023 struct trinity_power_info *pi = trinity_get_pi(rdev); 1024 1025 pi->current_rps = *rps; 1026 pi->current_ps = *new_ps; 1027 pi->current_rps.ps_priv = &pi->current_ps; 1028 } 1029 1030 static void trinity_update_requested_ps(struct radeon_device *rdev, 1031 struct radeon_ps *rps) 1032 { 1033 struct trinity_ps *new_ps = trinity_get_ps(rps); 1034 struct trinity_power_info *pi = trinity_get_pi(rdev); 1035 1036 pi->requested_rps = *rps; 1037 pi->requested_ps = *new_ps; 1038 pi->requested_rps.ps_priv = &pi->requested_ps; 1039 } 1040 1041 void trinity_dpm_enable_bapm(struct radeon_device *rdev, bool enable) 1042 { 1043 struct trinity_power_info *pi = trinity_get_pi(rdev); 1044 1045 if (pi->enable_bapm) { 1046 trinity_acquire_mutex(rdev); 1047 trinity_dpm_bapm_enable(rdev, enable); 1048 trinity_release_mutex(rdev); 1049 } 1050 } 1051 1052 int trinity_dpm_enable(struct radeon_device *rdev) 1053 { 1054 struct trinity_power_info *pi = trinity_get_pi(rdev); 1055 1056 trinity_acquire_mutex(rdev); 1057 1058 if (trinity_dpm_enabled(rdev)) { 1059 trinity_release_mutex(rdev); 1060 return -EINVAL; 1061 } 1062 1063 trinity_program_bootup_state(rdev); 1064 sumo_program_vc(rdev, 0x00C00033); 1065 trinity_start_am(rdev); 1066 if (pi->enable_auto_thermal_throttling) { 1067 trinity_program_ttt(rdev); 1068 trinity_enable_att(rdev); 1069 } 1070 trinity_program_sclk_dpm(rdev); 1071 trinity_start_dpm(rdev); 1072 trinity_wait_for_dpm_enabled(rdev); 1073 trinity_dpm_bapm_enable(rdev, false); 1074 trinity_release_mutex(rdev); 1075 1076 trinity_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1077 1078 return 0; 1079 } 1080 1081 int trinity_dpm_late_enable(struct radeon_device *rdev) 1082 { 1083 int ret; 1084 1085 trinity_acquire_mutex(rdev); 1086 trinity_enable_clock_power_gating(rdev); 1087 1088 if (rdev->irq.installed && 1089 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1090 ret = trinity_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); 1091 if (ret) { 1092 trinity_release_mutex(rdev); 1093 return ret; 1094 } 1095 rdev->irq.dpm_thermal = true; 1096 radeon_irq_set(rdev); 1097 } 1098 trinity_release_mutex(rdev); 1099 1100 return 0; 1101 } 1102 1103 void trinity_dpm_disable(struct radeon_device *rdev) 1104 { 1105 trinity_acquire_mutex(rdev); 1106 if (!trinity_dpm_enabled(rdev)) { 1107 trinity_release_mutex(rdev); 1108 return; 1109 } 1110 trinity_dpm_bapm_enable(rdev, false); 1111 trinity_disable_clock_power_gating(rdev); 1112 sumo_clear_vc(rdev); 1113 trinity_wait_for_level_0(rdev); 1114 trinity_stop_dpm(rdev); 1115 trinity_reset_am(rdev); 1116 trinity_release_mutex(rdev); 1117 1118 if (rdev->irq.installed && 1119 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1120 rdev->irq.dpm_thermal = false; 1121 radeon_irq_set(rdev); 1122 } 1123 1124 trinity_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1125 } 1126 1127 static void trinity_get_min_sclk_divider(struct radeon_device *rdev) 1128 { 1129 struct trinity_power_info *pi = trinity_get_pi(rdev); 1130 1131 pi->min_sclk_did = 1132 (RREG32_SMC(CC_SMU_MISC_FUSES) & MinSClkDid_MASK) >> MinSClkDid_SHIFT; 1133 } 1134 1135 static void trinity_setup_nbp_sim(struct radeon_device *rdev, 1136 struct radeon_ps *rps) 1137 { 1138 struct trinity_power_info *pi = trinity_get_pi(rdev); 1139 struct trinity_ps *new_ps = trinity_get_ps(rps); 1140 u32 nbpsconfig; 1141 1142 if (pi->sys_info.nb_dpm_enable) { 1143 nbpsconfig = RREG32_SMC(NB_PSTATE_CONFIG); 1144 nbpsconfig &= ~(Dpm0PgNbPsLo_MASK | Dpm0PgNbPsHi_MASK | DpmXNbPsLo_MASK | DpmXNbPsHi_MASK); 1145 nbpsconfig |= (Dpm0PgNbPsLo(new_ps->Dpm0PgNbPsLo) | 1146 Dpm0PgNbPsHi(new_ps->Dpm0PgNbPsHi) | 1147 DpmXNbPsLo(new_ps->DpmXNbPsLo) | 1148 DpmXNbPsHi(new_ps->DpmXNbPsHi)); 1149 WREG32_SMC(NB_PSTATE_CONFIG, nbpsconfig); 1150 } 1151 } 1152 1153 int trinity_dpm_force_performance_level(struct radeon_device *rdev, 1154 enum radeon_dpm_forced_level level) 1155 { 1156 struct trinity_power_info *pi = trinity_get_pi(rdev); 1157 struct radeon_ps *rps = &pi->current_rps; 1158 struct trinity_ps *ps = trinity_get_ps(rps); 1159 int i, ret; 1160 1161 if (ps->num_levels <= 1) 1162 return 0; 1163 1164 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { 1165 /* not supported by the hw */ 1166 return -EINVAL; 1167 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { 1168 ret = trinity_dpm_n_levels_disabled(rdev, ps->num_levels - 1); 1169 if (ret) 1170 return ret; 1171 } else { 1172 for (i = 0; i < ps->num_levels; i++) { 1173 ret = trinity_dpm_n_levels_disabled(rdev, 0); 1174 if (ret) 1175 return ret; 1176 } 1177 } 1178 1179 rdev->pm.dpm.forced_level = level; 1180 1181 return 0; 1182 } 1183 1184 int trinity_dpm_pre_set_power_state(struct radeon_device *rdev) 1185 { 1186 struct trinity_power_info *pi = trinity_get_pi(rdev); 1187 struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps; 1188 struct radeon_ps *new_ps = &requested_ps; 1189 1190 trinity_update_requested_ps(rdev, new_ps); 1191 1192 trinity_apply_state_adjust_rules(rdev, 1193 &pi->requested_rps, 1194 &pi->current_rps); 1195 1196 return 0; 1197 } 1198 1199 int trinity_dpm_set_power_state(struct radeon_device *rdev) 1200 { 1201 struct trinity_power_info *pi = trinity_get_pi(rdev); 1202 struct radeon_ps *new_ps = &pi->requested_rps; 1203 struct radeon_ps *old_ps = &pi->current_rps; 1204 1205 trinity_acquire_mutex(rdev); 1206 if (pi->enable_dpm) { 1207 if (pi->enable_bapm) 1208 trinity_dpm_bapm_enable(rdev, rdev->pm.dpm.ac_power); 1209 trinity_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); 1210 trinity_enable_power_level_0(rdev); 1211 trinity_force_level_0(rdev); 1212 trinity_wait_for_level_0(rdev); 1213 trinity_setup_nbp_sim(rdev, new_ps); 1214 trinity_program_power_levels_0_to_n(rdev, new_ps, old_ps); 1215 trinity_force_level_0(rdev); 1216 trinity_unforce_levels(rdev); 1217 trinity_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); 1218 trinity_set_vce_clock(rdev, new_ps, old_ps); 1219 } 1220 trinity_release_mutex(rdev); 1221 1222 return 0; 1223 } 1224 1225 void trinity_dpm_post_set_power_state(struct radeon_device *rdev) 1226 { 1227 struct trinity_power_info *pi = trinity_get_pi(rdev); 1228 struct radeon_ps *new_ps = &pi->requested_rps; 1229 1230 trinity_update_current_ps(rdev, new_ps); 1231 } 1232 1233 void trinity_dpm_setup_asic(struct radeon_device *rdev) 1234 { 1235 trinity_acquire_mutex(rdev); 1236 sumo_program_sstp(rdev); 1237 sumo_take_smu_control(rdev, true); 1238 trinity_get_min_sclk_divider(rdev); 1239 trinity_release_mutex(rdev); 1240 } 1241 1242 #if 0 1243 void trinity_dpm_reset_asic(struct radeon_device *rdev) 1244 { 1245 struct trinity_power_info *pi = trinity_get_pi(rdev); 1246 1247 trinity_acquire_mutex(rdev); 1248 if (pi->enable_dpm) { 1249 trinity_enable_power_level_0(rdev); 1250 trinity_force_level_0(rdev); 1251 trinity_wait_for_level_0(rdev); 1252 trinity_program_bootup_state(rdev); 1253 trinity_force_level_0(rdev); 1254 trinity_unforce_levels(rdev); 1255 } 1256 trinity_release_mutex(rdev); 1257 } 1258 #endif 1259 1260 static u16 trinity_convert_voltage_index_to_value(struct radeon_device *rdev, 1261 u32 vid_2bit) 1262 { 1263 struct trinity_power_info *pi = trinity_get_pi(rdev); 1264 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit); 1265 u32 svi_mode = (RREG32_SMC(PM_CONFIG) & SVI_Mode) ? 1 : 0; 1266 u32 step = (svi_mode == 0) ? 1250 : 625; 1267 u32 delta = vid_7bit * step + 50; 1268 1269 if (delta > 155000) 1270 return 0; 1271 1272 return (155000 - delta) / 100; 1273 } 1274 1275 static void trinity_patch_boot_state(struct radeon_device *rdev, 1276 struct trinity_ps *ps) 1277 { 1278 struct trinity_power_info *pi = trinity_get_pi(rdev); 1279 1280 ps->num_levels = 1; 1281 ps->nbps_flags = 0; 1282 ps->bapm_flags = 0; 1283 ps->levels[0] = pi->boot_pl; 1284 } 1285 1286 static u8 trinity_calculate_vce_wm(struct radeon_device *rdev, u32 sclk) 1287 { 1288 if (sclk < 20000) 1289 return 1; 1290 return 0; 1291 } 1292 1293 static void trinity_construct_boot_state(struct radeon_device *rdev) 1294 { 1295 struct trinity_power_info *pi = trinity_get_pi(rdev); 1296 1297 pi->boot_pl.sclk = pi->sys_info.bootup_sclk; 1298 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index; 1299 pi->boot_pl.ds_divider_index = 0; 1300 pi->boot_pl.ss_divider_index = 0; 1301 pi->boot_pl.allow_gnb_slow = 1; 1302 pi->boot_pl.force_nbp_state = 0; 1303 pi->boot_pl.display_wm = 0; 1304 pi->boot_pl.vce_wm = 0; 1305 pi->current_ps.num_levels = 1; 1306 pi->current_ps.levels[0] = pi->boot_pl; 1307 } 1308 1309 static u8 trinity_get_sleep_divider_id_from_clock(struct radeon_device *rdev, 1310 u32 sclk, u32 min_sclk_in_sr) 1311 { 1312 struct trinity_power_info *pi = trinity_get_pi(rdev); 1313 u32 i; 1314 u32 temp; 1315 u32 min = (min_sclk_in_sr > TRINITY_MINIMUM_ENGINE_CLOCK) ? 1316 min_sclk_in_sr : TRINITY_MINIMUM_ENGINE_CLOCK; 1317 1318 if (sclk < min) 1319 return 0; 1320 1321 if (!pi->enable_sclk_ds) 1322 return 0; 1323 1324 for (i = TRINITY_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) { 1325 temp = sclk / sumo_get_sleep_divider_from_id(i); 1326 if (temp >= min || i == 0) 1327 break; 1328 } 1329 1330 return (u8)i; 1331 } 1332 1333 static u32 trinity_get_valid_engine_clock(struct radeon_device *rdev, 1334 u32 lower_limit) 1335 { 1336 struct trinity_power_info *pi = trinity_get_pi(rdev); 1337 u32 i; 1338 1339 for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) { 1340 if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit) 1341 return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency; 1342 } 1343 1344 if (i == pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries) 1345 DRM_ERROR("engine clock out of range!"); 1346 1347 return 0; 1348 } 1349 1350 static void trinity_patch_thermal_state(struct radeon_device *rdev, 1351 struct trinity_ps *ps, 1352 struct trinity_ps *current_ps) 1353 { 1354 struct trinity_power_info *pi = trinity_get_pi(rdev); 1355 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1356 u32 current_vddc; 1357 u32 current_sclk; 1358 u32 current_index = 0; 1359 1360 if (current_ps) { 1361 current_vddc = current_ps->levels[current_index].vddc_index; 1362 current_sclk = current_ps->levels[current_index].sclk; 1363 } else { 1364 current_vddc = pi->boot_pl.vddc_index; 1365 current_sclk = pi->boot_pl.sclk; 1366 } 1367 1368 ps->levels[0].vddc_index = current_vddc; 1369 1370 if (ps->levels[0].sclk > current_sclk) 1371 ps->levels[0].sclk = current_sclk; 1372 1373 ps->levels[0].ds_divider_index = 1374 trinity_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr); 1375 ps->levels[0].ss_divider_index = ps->levels[0].ds_divider_index; 1376 ps->levels[0].allow_gnb_slow = 1; 1377 ps->levels[0].force_nbp_state = 0; 1378 ps->levels[0].display_wm = 0; 1379 ps->levels[0].vce_wm = 1380 trinity_calculate_vce_wm(rdev, ps->levels[0].sclk); 1381 } 1382 1383 static u8 trinity_calculate_display_wm(struct radeon_device *rdev, 1384 struct trinity_ps *ps, u32 index) 1385 { 1386 if (ps == NULL || ps->num_levels <= 1) 1387 return 0; 1388 else if (ps->num_levels == 2) { 1389 if (index == 0) 1390 return 0; 1391 else 1392 return 1; 1393 } else { 1394 if (index == 0) 1395 return 0; 1396 else if (ps->levels[index].sclk < 30000) 1397 return 0; 1398 else 1399 return 1; 1400 } 1401 } 1402 1403 static u32 trinity_get_uvd_clock_index(struct radeon_device *rdev, 1404 struct radeon_ps *rps) 1405 { 1406 struct trinity_power_info *pi = trinity_get_pi(rdev); 1407 u32 i = 0; 1408 1409 for (i = 0; i < 4; i++) { 1410 if ((rps->vclk == pi->sys_info.uvd_clock_table_entries[i].vclk) && 1411 (rps->dclk == pi->sys_info.uvd_clock_table_entries[i].dclk)) 1412 break; 1413 } 1414 1415 if (i >= 4) { 1416 DRM_ERROR("UVD clock index not found!\n"); 1417 i = 3; 1418 } 1419 return i; 1420 } 1421 1422 static void trinity_adjust_uvd_state(struct radeon_device *rdev, 1423 struct radeon_ps *rps) 1424 { 1425 struct trinity_ps *ps = trinity_get_ps(rps); 1426 struct trinity_power_info *pi = trinity_get_pi(rdev); 1427 u32 high_index = 0; 1428 u32 low_index = 0; 1429 1430 if (pi->uvd_dpm && r600_is_uvd_state(rps->class, rps->class2)) { 1431 high_index = trinity_get_uvd_clock_index(rdev, rps); 1432 1433 switch (high_index) { 1434 case 3: 1435 case 2: 1436 low_index = 1; 1437 break; 1438 case 1: 1439 case 0: 1440 default: 1441 low_index = 0; 1442 break; 1443 } 1444 1445 ps->vclk_low_divider = 1446 pi->sys_info.uvd_clock_table_entries[high_index].vclk_did; 1447 ps->dclk_low_divider = 1448 pi->sys_info.uvd_clock_table_entries[high_index].dclk_did; 1449 ps->vclk_high_divider = 1450 pi->sys_info.uvd_clock_table_entries[low_index].vclk_did; 1451 ps->dclk_high_divider = 1452 pi->sys_info.uvd_clock_table_entries[low_index].dclk_did; 1453 } 1454 } 1455 1456 static int trinity_get_vce_clock_voltage(struct radeon_device *rdev, 1457 u32 evclk, u32 ecclk, u16 *voltage) 1458 { 1459 u32 i; 1460 int ret = -EINVAL; 1461 struct radeon_vce_clock_voltage_dependency_table *table = 1462 &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 1463 1464 if (((evclk == 0) && (ecclk == 0)) || 1465 (table && (table->count == 0))) { 1466 *voltage = 0; 1467 return 0; 1468 } 1469 1470 for (i = 0; i < table->count; i++) { 1471 if ((evclk <= table->entries[i].evclk) && 1472 (ecclk <= table->entries[i].ecclk)) { 1473 *voltage = table->entries[i].v; 1474 ret = 0; 1475 break; 1476 } 1477 } 1478 1479 /* if no match return the highest voltage */ 1480 if (ret) 1481 *voltage = table->entries[table->count - 1].v; 1482 1483 return ret; 1484 } 1485 1486 static void trinity_apply_state_adjust_rules(struct radeon_device *rdev, 1487 struct radeon_ps *new_rps, 1488 struct radeon_ps *old_rps) 1489 { 1490 struct trinity_ps *ps = trinity_get_ps(new_rps); 1491 struct trinity_ps *current_ps = trinity_get_ps(old_rps); 1492 struct trinity_power_info *pi = trinity_get_pi(rdev); 1493 u32 min_voltage = 0; /* ??? */ 1494 u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */ 1495 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1496 u32 i; 1497 u16 min_vce_voltage; 1498 bool force_high; 1499 u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count; 1500 1501 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) 1502 return trinity_patch_thermal_state(rdev, ps, current_ps); 1503 1504 trinity_adjust_uvd_state(rdev, new_rps); 1505 1506 if (new_rps->vce_active) { 1507 new_rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk; 1508 new_rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk; 1509 } else { 1510 new_rps->evclk = 0; 1511 new_rps->ecclk = 0; 1512 } 1513 1514 for (i = 0; i < ps->num_levels; i++) { 1515 if (ps->levels[i].vddc_index < min_voltage) 1516 ps->levels[i].vddc_index = min_voltage; 1517 1518 if (ps->levels[i].sclk < min_sclk) 1519 ps->levels[i].sclk = 1520 trinity_get_valid_engine_clock(rdev, min_sclk); 1521 1522 /* patch in vce limits */ 1523 if (new_rps->vce_active) { 1524 /* sclk */ 1525 if (ps->levels[i].sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk) 1526 ps->levels[i].sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk; 1527 /* vddc */ 1528 trinity_get_vce_clock_voltage(rdev, new_rps->evclk, new_rps->ecclk, &min_vce_voltage); 1529 if (ps->levels[i].vddc_index < min_vce_voltage) 1530 ps->levels[i].vddc_index = min_vce_voltage; 1531 } 1532 1533 ps->levels[i].ds_divider_index = 1534 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr); 1535 1536 ps->levels[i].ss_divider_index = ps->levels[i].ds_divider_index; 1537 1538 ps->levels[i].allow_gnb_slow = 1; 1539 ps->levels[i].force_nbp_state = 0; 1540 ps->levels[i].display_wm = 1541 trinity_calculate_display_wm(rdev, ps, i); 1542 ps->levels[i].vce_wm = 1543 trinity_calculate_vce_wm(rdev, ps->levels[0].sclk); 1544 } 1545 1546 if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) || 1547 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) 1548 ps->bapm_flags |= TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE; 1549 1550 if (pi->sys_info.nb_dpm_enable) { 1551 ps->Dpm0PgNbPsLo = 0x1; 1552 ps->Dpm0PgNbPsHi = 0x0; 1553 ps->DpmXNbPsLo = 0x2; 1554 ps->DpmXNbPsHi = 0x1; 1555 1556 if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) || 1557 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) { 1558 force_high = ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) || 1559 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) && 1560 (pi->sys_info.uma_channel_number == 1))); 1561 force_high = (num_active_displays >= 3) || force_high; 1562 ps->Dpm0PgNbPsLo = force_high ? 0x2 : 0x3; 1563 ps->Dpm0PgNbPsHi = 0x1; 1564 ps->DpmXNbPsLo = force_high ? 0x2 : 0x3; 1565 ps->DpmXNbPsHi = 0x2; 1566 ps->levels[ps->num_levels - 1].allow_gnb_slow = 0; 1567 } 1568 } 1569 } 1570 1571 static void trinity_cleanup_asic(struct radeon_device *rdev) 1572 { 1573 sumo_take_smu_control(rdev, false); 1574 } 1575 1576 #if 0 1577 static void trinity_pre_display_configuration_change(struct radeon_device *rdev) 1578 { 1579 struct trinity_power_info *pi = trinity_get_pi(rdev); 1580 1581 if (pi->voltage_drop_in_dce) 1582 trinity_dce_enable_voltage_adjustment(rdev, false); 1583 } 1584 #endif 1585 1586 static void trinity_add_dccac_value(struct radeon_device *rdev) 1587 { 1588 u32 gpu_cac_avrg_cntl_window_size; 1589 u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count; 1590 u64 disp_clk = rdev->clock.default_dispclk / 100; 1591 u32 dc_cac_value; 1592 1593 gpu_cac_avrg_cntl_window_size = 1594 (RREG32_SMC(GPU_CAC_AVRG_CNTL) & WINDOW_SIZE_MASK) >> WINDOW_SIZE_SHIFT; 1595 1596 dc_cac_value = (u32)((14213 * disp_clk * disp_clk * (u64)num_active_displays) >> 1597 (32 - gpu_cac_avrg_cntl_window_size)); 1598 1599 WREG32_SMC(DC_CAC_VALUE, dc_cac_value); 1600 } 1601 1602 void trinity_dpm_display_configuration_changed(struct radeon_device *rdev) 1603 { 1604 struct trinity_power_info *pi = trinity_get_pi(rdev); 1605 1606 if (pi->voltage_drop_in_dce) 1607 trinity_dce_enable_voltage_adjustment(rdev, true); 1608 trinity_add_dccac_value(rdev); 1609 } 1610 1611 union power_info { 1612 struct _ATOM_POWERPLAY_INFO info; 1613 struct _ATOM_POWERPLAY_INFO_V2 info_2; 1614 struct _ATOM_POWERPLAY_INFO_V3 info_3; 1615 struct _ATOM_PPLIB_POWERPLAYTABLE pplib; 1616 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; 1617 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; 1618 }; 1619 1620 union pplib_clock_info { 1621 struct _ATOM_PPLIB_R600_CLOCK_INFO r600; 1622 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; 1623 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; 1624 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; 1625 }; 1626 1627 union pplib_power_state { 1628 struct _ATOM_PPLIB_STATE v1; 1629 struct _ATOM_PPLIB_STATE_V2 v2; 1630 }; 1631 1632 static void trinity_parse_pplib_non_clock_info(struct radeon_device *rdev, 1633 struct radeon_ps *rps, 1634 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, 1635 u8 table_rev) 1636 { 1637 struct trinity_ps *ps = trinity_get_ps(rps); 1638 1639 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); 1640 rps->class = le16_to_cpu(non_clock_info->usClassification); 1641 rps->class2 = le16_to_cpu(non_clock_info->usClassification2); 1642 1643 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { 1644 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); 1645 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); 1646 } else { 1647 rps->vclk = 0; 1648 rps->dclk = 0; 1649 } 1650 1651 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { 1652 rdev->pm.dpm.boot_ps = rps; 1653 trinity_patch_boot_state(rdev, ps); 1654 } 1655 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) 1656 rdev->pm.dpm.uvd_ps = rps; 1657 } 1658 1659 static void trinity_parse_pplib_clock_info(struct radeon_device *rdev, 1660 struct radeon_ps *rps, int index, 1661 union pplib_clock_info *clock_info) 1662 { 1663 struct trinity_power_info *pi = trinity_get_pi(rdev); 1664 struct trinity_ps *ps = trinity_get_ps(rps); 1665 struct trinity_pl *pl = &ps->levels[index]; 1666 u32 sclk; 1667 1668 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1669 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1670 pl->sclk = sclk; 1671 pl->vddc_index = clock_info->sumo.vddcIndex; 1672 1673 ps->num_levels = index + 1; 1674 1675 if (pi->enable_sclk_ds) { 1676 pl->ds_divider_index = 5; 1677 pl->ss_divider_index = 5; 1678 } 1679 } 1680 1681 static int trinity_parse_power_table(struct radeon_device *rdev) 1682 { 1683 struct radeon_mode_info *mode_info = &rdev->mode_info; 1684 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; 1685 union pplib_power_state *power_state; 1686 int i, j, k, non_clock_array_index, clock_array_index; 1687 union pplib_clock_info *clock_info; 1688 struct _StateArray *state_array; 1689 struct _ClockInfoArray *clock_info_array; 1690 struct _NonClockInfoArray *non_clock_info_array; 1691 union power_info *power_info; 1692 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); 1693 u16 data_offset; 1694 u8 frev, crev; 1695 u8 *power_state_offset; 1696 struct sumo_ps *ps; 1697 1698 if (!atom_parse_data_header(mode_info->atom_context, index, NULL, 1699 &frev, &crev, &data_offset)) 1700 return -EINVAL; 1701 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); 1702 1703 state_array = (struct _StateArray *) 1704 (mode_info->atom_context->bios + data_offset + 1705 le16_to_cpu(power_info->pplib.usStateArrayOffset)); 1706 clock_info_array = (struct _ClockInfoArray *) 1707 (mode_info->atom_context->bios + data_offset + 1708 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); 1709 non_clock_info_array = (struct _NonClockInfoArray *) 1710 (mode_info->atom_context->bios + data_offset + 1711 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); 1712 1713 rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries, 1714 sizeof(struct radeon_ps), 1715 GFP_KERNEL); 1716 if (!rdev->pm.dpm.ps) 1717 return -ENOMEM; 1718 power_state_offset = (u8 *)state_array->states; 1719 for (i = 0; i < state_array->ucNumEntries; i++) { 1720 u8 *idx; 1721 power_state = (union pplib_power_state *)power_state_offset; 1722 non_clock_array_index = power_state->v2.nonClockInfoIndex; 1723 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) 1724 &non_clock_info_array->nonClockInfo[non_clock_array_index]; 1725 if (!rdev->pm.power_state[i].clock_info) { 1726 kfree(rdev->pm.dpm.ps); 1727 return -EINVAL; 1728 } 1729 ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); 1730 if (ps == NULL) { 1731 kfree(rdev->pm.dpm.ps); 1732 return -ENOMEM; 1733 } 1734 rdev->pm.dpm.ps[i].ps_priv = ps; 1735 k = 0; 1736 idx = (u8 *)&power_state->v2.clockInfoIndex[0]; 1737 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { 1738 clock_array_index = idx[j]; 1739 if (clock_array_index >= clock_info_array->ucNumEntries) 1740 continue; 1741 if (k >= SUMO_MAX_HARDWARE_POWERLEVELS) 1742 break; 1743 clock_info = (union pplib_clock_info *) 1744 ((u8 *)&clock_info_array->clockInfo[0] + 1745 (clock_array_index * clock_info_array->ucEntrySize)); 1746 trinity_parse_pplib_clock_info(rdev, 1747 &rdev->pm.dpm.ps[i], k, 1748 clock_info); 1749 k++; 1750 } 1751 trinity_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], 1752 non_clock_info, 1753 non_clock_info_array->ucEntrySize); 1754 power_state_offset += 2 + power_state->v2.ucNumDPMLevels; 1755 } 1756 rdev->pm.dpm.num_ps = state_array->ucNumEntries; 1757 1758 /* fill in the vce power states */ 1759 for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) { 1760 u32 sclk; 1761 clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx; 1762 clock_info = (union pplib_clock_info *) 1763 &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize]; 1764 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1765 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1766 rdev->pm.dpm.vce_states[i].sclk = sclk; 1767 rdev->pm.dpm.vce_states[i].mclk = 0; 1768 } 1769 1770 return 0; 1771 } 1772 1773 union igp_info { 1774 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 1775 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 1776 struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5; 1777 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 1778 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7; 1779 }; 1780 1781 static u32 trinity_convert_did_to_freq(struct radeon_device *rdev, u8 did) 1782 { 1783 struct trinity_power_info *pi = trinity_get_pi(rdev); 1784 u32 divider; 1785 1786 if (did >= 8 && did <= 0x3f) 1787 divider = did * 25; 1788 else if (did > 0x3f && did <= 0x5f) 1789 divider = (did - 64) * 50 + 1600; 1790 else if (did > 0x5f && did <= 0x7e) 1791 divider = (did - 96) * 100 + 3200; 1792 else if (did == 0x7f) 1793 divider = 128 * 100; 1794 else 1795 return 10000; 1796 1797 return ((pi->sys_info.dentist_vco_freq * 100) + (divider - 1)) / divider; 1798 } 1799 1800 static int trinity_parse_sys_info_table(struct radeon_device *rdev) 1801 { 1802 struct trinity_power_info *pi = trinity_get_pi(rdev); 1803 struct radeon_mode_info *mode_info = &rdev->mode_info; 1804 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 1805 union igp_info *igp_info; 1806 u8 frev, crev; 1807 u16 data_offset; 1808 int i; 1809 1810 if (atom_parse_data_header(mode_info->atom_context, index, NULL, 1811 &frev, &crev, &data_offset)) { 1812 igp_info = (union igp_info *)(mode_info->atom_context->bios + 1813 data_offset); 1814 1815 if (crev != 7) { 1816 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 1817 return -EINVAL; 1818 } 1819 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_7.ulBootUpEngineClock); 1820 pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_7.ulMinEngineClock); 1821 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_7.ulBootUpUMAClock); 1822 pi->sys_info.dentist_vco_freq = le32_to_cpu(igp_info->info_7.ulDentistVCOFreq); 1823 pi->sys_info.bootup_nb_voltage_index = 1824 le16_to_cpu(igp_info->info_7.usBootUpNBVoltage); 1825 if (igp_info->info_7.ucHtcTmpLmt == 0) 1826 pi->sys_info.htc_tmp_lmt = 203; 1827 else 1828 pi->sys_info.htc_tmp_lmt = igp_info->info_7.ucHtcTmpLmt; 1829 if (igp_info->info_7.ucHtcHystLmt == 0) 1830 pi->sys_info.htc_hyst_lmt = 5; 1831 else 1832 pi->sys_info.htc_hyst_lmt = igp_info->info_7.ucHtcHystLmt; 1833 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) { 1834 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n"); 1835 } 1836 1837 if (pi->enable_nbps_policy) 1838 pi->sys_info.nb_dpm_enable = igp_info->info_7.ucNBDPMEnable; 1839 else 1840 pi->sys_info.nb_dpm_enable = 0; 1841 1842 for (i = 0; i < TRINITY_NUM_NBPSTATES; i++) { 1843 pi->sys_info.nbp_mclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateMemclkFreq[i]); 1844 pi->sys_info.nbp_nclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateNClkFreq[i]); 1845 } 1846 1847 pi->sys_info.nbp_voltage_index[0] = le16_to_cpu(igp_info->info_7.usNBP0Voltage); 1848 pi->sys_info.nbp_voltage_index[1] = le16_to_cpu(igp_info->info_7.usNBP1Voltage); 1849 pi->sys_info.nbp_voltage_index[2] = le16_to_cpu(igp_info->info_7.usNBP2Voltage); 1850 pi->sys_info.nbp_voltage_index[3] = le16_to_cpu(igp_info->info_7.usNBP3Voltage); 1851 1852 if (!pi->sys_info.nb_dpm_enable) { 1853 for (i = 1; i < TRINITY_NUM_NBPSTATES; i++) { 1854 pi->sys_info.nbp_mclk[i] = pi->sys_info.nbp_mclk[0]; 1855 pi->sys_info.nbp_nclk[i] = pi->sys_info.nbp_nclk[0]; 1856 pi->sys_info.nbp_voltage_index[i] = pi->sys_info.nbp_voltage_index[0]; 1857 } 1858 } 1859 1860 pi->sys_info.uma_channel_number = igp_info->info_7.ucUMAChannelNumber; 1861 1862 sumo_construct_sclk_voltage_mapping_table(rdev, 1863 &pi->sys_info.sclk_voltage_mapping_table, 1864 igp_info->info_7.sAvail_SCLK); 1865 sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table, 1866 igp_info->info_7.sAvail_SCLK); 1867 1868 pi->sys_info.uvd_clock_table_entries[0].vclk_did = 1869 igp_info->info_7.ucDPMState0VclkFid; 1870 pi->sys_info.uvd_clock_table_entries[1].vclk_did = 1871 igp_info->info_7.ucDPMState1VclkFid; 1872 pi->sys_info.uvd_clock_table_entries[2].vclk_did = 1873 igp_info->info_7.ucDPMState2VclkFid; 1874 pi->sys_info.uvd_clock_table_entries[3].vclk_did = 1875 igp_info->info_7.ucDPMState3VclkFid; 1876 1877 pi->sys_info.uvd_clock_table_entries[0].dclk_did = 1878 igp_info->info_7.ucDPMState0DclkFid; 1879 pi->sys_info.uvd_clock_table_entries[1].dclk_did = 1880 igp_info->info_7.ucDPMState1DclkFid; 1881 pi->sys_info.uvd_clock_table_entries[2].dclk_did = 1882 igp_info->info_7.ucDPMState2DclkFid; 1883 pi->sys_info.uvd_clock_table_entries[3].dclk_did = 1884 igp_info->info_7.ucDPMState3DclkFid; 1885 1886 for (i = 0; i < 4; i++) { 1887 pi->sys_info.uvd_clock_table_entries[i].vclk = 1888 trinity_convert_did_to_freq(rdev, 1889 pi->sys_info.uvd_clock_table_entries[i].vclk_did); 1890 pi->sys_info.uvd_clock_table_entries[i].dclk = 1891 trinity_convert_did_to_freq(rdev, 1892 pi->sys_info.uvd_clock_table_entries[i].dclk_did); 1893 } 1894 1895 1896 1897 } 1898 return 0; 1899 } 1900 1901 int trinity_dpm_init(struct radeon_device *rdev) 1902 { 1903 struct trinity_power_info *pi; 1904 int ret, i; 1905 1906 pi = kzalloc(sizeof(struct trinity_power_info), GFP_KERNEL); 1907 if (pi == NULL) 1908 return -ENOMEM; 1909 rdev->pm.dpm.priv = pi; 1910 1911 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) 1912 pi->at[i] = TRINITY_AT_DFLT; 1913 1914 if (radeon_bapm == -1) { 1915 /* There are stability issues reported on with 1916 * bapm enabled when switching between AC and battery 1917 * power. At the same time, some MSI boards hang 1918 * if it's not enabled and dpm is enabled. Just enable 1919 * it for MSI boards right now. 1920 */ 1921 if (rdev->pdev->subsystem_vendor == 0x1462) 1922 pi->enable_bapm = true; 1923 else 1924 pi->enable_bapm = false; 1925 } else if (radeon_bapm == 0) { 1926 pi->enable_bapm = false; 1927 } else { 1928 pi->enable_bapm = true; 1929 } 1930 pi->enable_nbps_policy = true; 1931 pi->enable_sclk_ds = true; 1932 pi->enable_gfx_power_gating = true; 1933 pi->enable_gfx_clock_gating = true; 1934 pi->enable_mg_clock_gating = false; 1935 pi->enable_gfx_dynamic_mgpg = false; 1936 pi->override_dynamic_mgpg = false; 1937 pi->enable_auto_thermal_throttling = true; 1938 pi->voltage_drop_in_dce = false; /* need to restructure dpm/modeset interaction */ 1939 pi->uvd_dpm = true; /* ??? */ 1940 1941 ret = trinity_parse_sys_info_table(rdev); 1942 if (ret) 1943 return ret; 1944 1945 trinity_construct_boot_state(rdev); 1946 1947 ret = r600_get_platform_caps(rdev); 1948 if (ret) 1949 return ret; 1950 1951 ret = r600_parse_extended_power_table(rdev); 1952 if (ret) 1953 return ret; 1954 1955 ret = trinity_parse_power_table(rdev); 1956 if (ret) 1957 return ret; 1958 1959 pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt; 1960 pi->enable_dpm = true; 1961 1962 return 0; 1963 } 1964 1965 void trinity_dpm_print_power_state(struct radeon_device *rdev, 1966 struct radeon_ps *rps) 1967 { 1968 int i; 1969 struct trinity_ps *ps = trinity_get_ps(rps); 1970 1971 r600_dpm_print_class_info(rps->class, rps->class2); 1972 r600_dpm_print_cap_info(rps->caps); 1973 printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1974 for (i = 0; i < ps->num_levels; i++) { 1975 struct trinity_pl *pl = &ps->levels[i]; 1976 printk("\t\tpower level %d sclk: %u vddc: %u\n", 1977 i, pl->sclk, 1978 trinity_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1979 } 1980 r600_dpm_print_ps_status(rdev, rps); 1981 } 1982 1983 void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, 1984 struct seq_file *m) 1985 { 1986 struct trinity_power_info *pi = trinity_get_pi(rdev); 1987 struct radeon_ps *rps = &pi->current_rps; 1988 struct trinity_ps *ps = trinity_get_ps(rps); 1989 struct trinity_pl *pl; 1990 u32 current_index = 1991 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> 1992 CURRENT_STATE_SHIFT; 1993 1994 if (current_index >= ps->num_levels) { 1995 seq_printf(m, "invalid dpm profile %d\n", current_index); 1996 } else { 1997 pl = &ps->levels[current_index]; 1998 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1999 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 2000 current_index, pl->sclk, 2001 trinity_convert_voltage_index_to_value(rdev, pl->vddc_index)); 2002 } 2003 } 2004 2005 u32 trinity_dpm_get_current_sclk(struct radeon_device *rdev) 2006 { 2007 struct trinity_power_info *pi = trinity_get_pi(rdev); 2008 struct radeon_ps *rps = &pi->current_rps; 2009 struct trinity_ps *ps = trinity_get_ps(rps); 2010 struct trinity_pl *pl; 2011 u32 current_index = 2012 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> 2013 CURRENT_STATE_SHIFT; 2014 2015 if (current_index >= ps->num_levels) { 2016 return 0; 2017 } else { 2018 pl = &ps->levels[current_index]; 2019 return pl->sclk; 2020 } 2021 } 2022 2023 u32 trinity_dpm_get_current_mclk(struct radeon_device *rdev) 2024 { 2025 struct trinity_power_info *pi = trinity_get_pi(rdev); 2026 2027 return pi->sys_info.bootup_uma_clk; 2028 } 2029 2030 void trinity_dpm_fini(struct radeon_device *rdev) 2031 { 2032 int i; 2033 2034 trinity_cleanup_asic(rdev); /* ??? */ 2035 2036 for (i = 0; i < rdev->pm.dpm.num_ps; i++) { 2037 kfree(rdev->pm.dpm.ps[i].ps_priv); 2038 } 2039 kfree(rdev->pm.dpm.ps); 2040 kfree(rdev->pm.dpm.priv); 2041 r600_free_extended_power_table(rdev); 2042 } 2043 2044 u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low) 2045 { 2046 struct trinity_power_info *pi = trinity_get_pi(rdev); 2047 struct trinity_ps *requested_state = trinity_get_ps(&pi->requested_rps); 2048 2049 if (low) 2050 return requested_state->levels[0].sclk; 2051 else 2052 return requested_state->levels[requested_state->num_levels - 1].sclk; 2053 } 2054 2055 u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low) 2056 { 2057 struct trinity_power_info *pi = trinity_get_pi(rdev); 2058 2059 return pi->sys_info.bootup_uma_clk; 2060 } 2061