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 "radeon.h" 25 #include "radeon_asic.h" 26 #include "sumod.h" 27 #include "r600_dpm.h" 28 #include "cypress_dpm.h" 29 #include "sumo_dpm.h" 30 #include <linux/seq_file.h> 31 32 #define SUMO_MAX_DEEPSLEEP_DIVIDER_ID 5 33 #define SUMO_MINIMUM_ENGINE_CLOCK 800 34 #define BOOST_DPM_LEVEL 7 35 36 static const u32 sumo_utc[SUMO_PM_NUMBER_OF_TC] = { 37 SUMO_UTC_DFLT_00, 38 SUMO_UTC_DFLT_01, 39 SUMO_UTC_DFLT_02, 40 SUMO_UTC_DFLT_03, 41 SUMO_UTC_DFLT_04, 42 SUMO_UTC_DFLT_05, 43 SUMO_UTC_DFLT_06, 44 SUMO_UTC_DFLT_07, 45 SUMO_UTC_DFLT_08, 46 SUMO_UTC_DFLT_09, 47 SUMO_UTC_DFLT_10, 48 SUMO_UTC_DFLT_11, 49 SUMO_UTC_DFLT_12, 50 SUMO_UTC_DFLT_13, 51 SUMO_UTC_DFLT_14, 52 }; 53 54 static const u32 sumo_dtc[SUMO_PM_NUMBER_OF_TC] = { 55 SUMO_DTC_DFLT_00, 56 SUMO_DTC_DFLT_01, 57 SUMO_DTC_DFLT_02, 58 SUMO_DTC_DFLT_03, 59 SUMO_DTC_DFLT_04, 60 SUMO_DTC_DFLT_05, 61 SUMO_DTC_DFLT_06, 62 SUMO_DTC_DFLT_07, 63 SUMO_DTC_DFLT_08, 64 SUMO_DTC_DFLT_09, 65 SUMO_DTC_DFLT_10, 66 SUMO_DTC_DFLT_11, 67 SUMO_DTC_DFLT_12, 68 SUMO_DTC_DFLT_13, 69 SUMO_DTC_DFLT_14, 70 }; 71 72 static struct sumo_ps *sumo_get_ps(struct radeon_ps *rps) 73 { 74 struct sumo_ps *ps = rps->ps_priv; 75 76 return ps; 77 } 78 79 struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev) 80 { 81 struct sumo_power_info *pi = rdev->pm.dpm.priv; 82 83 return pi; 84 } 85 86 static void sumo_gfx_clockgating_enable(struct radeon_device *rdev, bool enable) 87 { 88 if (enable) 89 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); 90 else { 91 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 92 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 93 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 94 RREG32(GB_ADDR_CONFIG); 95 } 96 } 97 98 #define CGCG_CGTT_LOCAL0_MASK 0xE5BFFFFF 99 #define CGCG_CGTT_LOCAL1_MASK 0xEFFF07FF 100 101 static void sumo_mg_clockgating_enable(struct radeon_device *rdev, bool enable) 102 { 103 u32 local0; 104 u32 local1; 105 106 local0 = RREG32(CG_CGTT_LOCAL_0); 107 local1 = RREG32(CG_CGTT_LOCAL_1); 108 109 if (enable) { 110 WREG32(CG_CGTT_LOCAL_0, (0 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK)); 111 WREG32(CG_CGTT_LOCAL_1, (0 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK)); 112 } else { 113 WREG32(CG_CGTT_LOCAL_0, (0xFFFFFFFF & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK)); 114 WREG32(CG_CGTT_LOCAL_1, (0xFFFFCFFF & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK)); 115 } 116 } 117 118 static void sumo_program_git(struct radeon_device *rdev) 119 { 120 u32 p, u; 121 u32 xclk = radeon_get_xclk(rdev); 122 123 r600_calculate_u_and_p(SUMO_GICST_DFLT, 124 xclk, 16, &p, &u); 125 126 WREG32_P(CG_GIT, CG_GICST(p), ~CG_GICST_MASK); 127 } 128 129 static void sumo_program_grsd(struct radeon_device *rdev) 130 { 131 u32 p, u; 132 u32 xclk = radeon_get_xclk(rdev); 133 u32 grs = 256 * 25 / 100; 134 135 r600_calculate_u_and_p(1, xclk, 14, &p, &u); 136 137 WREG32(CG_GCOOR, PHC(grs) | SDC(p) | SU(u)); 138 } 139 140 void sumo_gfx_clockgating_initialize(struct radeon_device *rdev) 141 { 142 sumo_program_git(rdev); 143 sumo_program_grsd(rdev); 144 } 145 146 static void sumo_gfx_powergating_initialize(struct radeon_device *rdev) 147 { 148 u32 rcu_pwr_gating_cntl; 149 u32 p, u; 150 u32 p_c, p_p, d_p; 151 u32 r_t, i_t; 152 u32 xclk = radeon_get_xclk(rdev); 153 154 if (rdev->family == CHIP_PALM) { 155 p_c = 4; 156 d_p = 10; 157 r_t = 10; 158 i_t = 4; 159 p_p = 50 + 1000/200 + 6 * 32; 160 } else { 161 p_c = 16; 162 d_p = 50; 163 r_t = 50; 164 i_t = 50; 165 p_p = 113; 166 } 167 168 WREG32(CG_SCRATCH2, 0x01B60A17); 169 170 r600_calculate_u_and_p(SUMO_GFXPOWERGATINGT_DFLT, 171 xclk, 16, &p, &u); 172 173 WREG32_P(CG_PWR_GATING_CNTL, PGP(p) | PGU(u), 174 ~(PGP_MASK | PGU_MASK)); 175 176 r600_calculate_u_and_p(SUMO_VOLTAGEDROPT_DFLT, 177 xclk, 16, &p, &u); 178 179 WREG32_P(CG_CG_VOLTAGE_CNTL, PGP(p) | PGU(u), 180 ~(PGP_MASK | PGU_MASK)); 181 182 if (rdev->family == CHIP_PALM) { 183 WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x10103210); 184 WREG32_RCU(RCU_PWR_GATING_SEQ1, 0x10101010); 185 } else { 186 WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x76543210); 187 WREG32_RCU(RCU_PWR_GATING_SEQ1, 0xFEDCBA98); 188 } 189 190 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 191 rcu_pwr_gating_cntl &= 192 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 193 rcu_pwr_gating_cntl |= PCV(p_c) | PGS(1) | PWR_GATING_EN; 194 if (rdev->family == CHIP_PALM) { 195 rcu_pwr_gating_cntl &= ~PCP_MASK; 196 rcu_pwr_gating_cntl |= PCP(0x77); 197 } 198 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 199 200 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 201 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 202 rcu_pwr_gating_cntl |= MPPU(p_p) | MPPD(50); 203 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 204 205 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 206 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 207 rcu_pwr_gating_cntl |= DPPU(d_p) | DPPD(50); 208 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 209 210 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_4); 211 rcu_pwr_gating_cntl &= ~(RT_MASK | IT_MASK); 212 rcu_pwr_gating_cntl |= RT(r_t) | IT(i_t); 213 WREG32_RCU(RCU_PWR_GATING_CNTL_4, rcu_pwr_gating_cntl); 214 215 if (rdev->family == CHIP_PALM) 216 WREG32_RCU(RCU_PWR_GATING_CNTL_5, 0xA02); 217 218 sumo_smu_pg_init(rdev); 219 220 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 221 rcu_pwr_gating_cntl &= 222 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 223 rcu_pwr_gating_cntl |= PCV(p_c) | PGS(4) | PWR_GATING_EN; 224 if (rdev->family == CHIP_PALM) { 225 rcu_pwr_gating_cntl &= ~PCP_MASK; 226 rcu_pwr_gating_cntl |= PCP(0x77); 227 } 228 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 229 230 if (rdev->family == CHIP_PALM) { 231 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 232 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 233 rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50); 234 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 235 236 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 237 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 238 rcu_pwr_gating_cntl |= DPPU(16) | DPPD(50); 239 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 240 } 241 242 sumo_smu_pg_init(rdev); 243 244 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 245 rcu_pwr_gating_cntl &= 246 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 247 rcu_pwr_gating_cntl |= PGS(5) | PWR_GATING_EN; 248 249 if (rdev->family == CHIP_PALM) { 250 rcu_pwr_gating_cntl |= PCV(4); 251 rcu_pwr_gating_cntl &= ~PCP_MASK; 252 rcu_pwr_gating_cntl |= PCP(0x77); 253 } else 254 rcu_pwr_gating_cntl |= PCV(11); 255 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 256 257 if (rdev->family == CHIP_PALM) { 258 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 259 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 260 rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50); 261 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 262 263 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 264 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 265 rcu_pwr_gating_cntl |= DPPU(22) | DPPD(50); 266 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 267 } 268 269 sumo_smu_pg_init(rdev); 270 } 271 272 static void sumo_gfx_powergating_enable(struct radeon_device *rdev, bool enable) 273 { 274 if (enable) 275 WREG32_P(CG_PWR_GATING_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN); 276 else { 277 WREG32_P(CG_PWR_GATING_CNTL, 0, ~DYN_PWR_DOWN_EN); 278 RREG32(GB_ADDR_CONFIG); 279 } 280 } 281 282 static int sumo_enable_clock_power_gating(struct radeon_device *rdev) 283 { 284 struct sumo_power_info *pi = sumo_get_pi(rdev); 285 286 if (pi->enable_gfx_clock_gating) 287 sumo_gfx_clockgating_initialize(rdev); 288 if (pi->enable_gfx_power_gating) 289 sumo_gfx_powergating_initialize(rdev); 290 if (pi->enable_mg_clock_gating) 291 sumo_mg_clockgating_enable(rdev, true); 292 if (pi->enable_gfx_clock_gating) 293 sumo_gfx_clockgating_enable(rdev, true); 294 if (pi->enable_gfx_power_gating) 295 sumo_gfx_powergating_enable(rdev, true); 296 297 return 0; 298 } 299 300 static void sumo_disable_clock_power_gating(struct radeon_device *rdev) 301 { 302 struct sumo_power_info *pi = sumo_get_pi(rdev); 303 304 if (pi->enable_gfx_clock_gating) 305 sumo_gfx_clockgating_enable(rdev, false); 306 if (pi->enable_gfx_power_gating) 307 sumo_gfx_powergating_enable(rdev, false); 308 if (pi->enable_mg_clock_gating) 309 sumo_mg_clockgating_enable(rdev, false); 310 } 311 312 static void sumo_calculate_bsp(struct radeon_device *rdev, 313 u32 high_clk) 314 { 315 struct sumo_power_info *pi = sumo_get_pi(rdev); 316 u32 xclk = radeon_get_xclk(rdev); 317 318 pi->pasi = 65535 * 100 / high_clk; 319 pi->asi = 65535 * 100 / high_clk; 320 321 r600_calculate_u_and_p(pi->asi, 322 xclk, 16, &pi->bsp, &pi->bsu); 323 324 r600_calculate_u_and_p(pi->pasi, 325 xclk, 16, &pi->pbsp, &pi->pbsu); 326 327 pi->dsp = BSP(pi->bsp) | BSU(pi->bsu); 328 pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu); 329 } 330 331 static void sumo_init_bsp(struct radeon_device *rdev) 332 { 333 struct sumo_power_info *pi = sumo_get_pi(rdev); 334 335 WREG32(CG_BSP_0, pi->psp); 336 } 337 338 339 static void sumo_program_bsp(struct radeon_device *rdev, 340 struct radeon_ps *rps) 341 { 342 struct sumo_power_info *pi = sumo_get_pi(rdev); 343 struct sumo_ps *ps = sumo_get_ps(rps); 344 u32 i; 345 u32 highest_engine_clock = ps->levels[ps->num_levels - 1].sclk; 346 347 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 348 highest_engine_clock = pi->boost_pl.sclk; 349 350 sumo_calculate_bsp(rdev, highest_engine_clock); 351 352 for (i = 0; i < ps->num_levels - 1; i++) 353 WREG32(CG_BSP_0 + (i * 4), pi->dsp); 354 355 WREG32(CG_BSP_0 + (i * 4), pi->psp); 356 357 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 358 WREG32(CG_BSP_0 + (BOOST_DPM_LEVEL * 4), pi->psp); 359 } 360 361 static void sumo_write_at(struct radeon_device *rdev, 362 u32 index, u32 value) 363 { 364 if (index == 0) 365 WREG32(CG_AT_0, value); 366 else if (index == 1) 367 WREG32(CG_AT_1, value); 368 else if (index == 2) 369 WREG32(CG_AT_2, value); 370 else if (index == 3) 371 WREG32(CG_AT_3, value); 372 else if (index == 4) 373 WREG32(CG_AT_4, value); 374 else if (index == 5) 375 WREG32(CG_AT_5, value); 376 else if (index == 6) 377 WREG32(CG_AT_6, value); 378 else if (index == 7) 379 WREG32(CG_AT_7, value); 380 } 381 382 static void sumo_program_at(struct radeon_device *rdev, 383 struct radeon_ps *rps) 384 { 385 struct sumo_power_info *pi = sumo_get_pi(rdev); 386 struct sumo_ps *ps = sumo_get_ps(rps); 387 u32 asi; 388 u32 i; 389 u32 m_a; 390 u32 a_t; 391 u32 r[SUMO_MAX_HARDWARE_POWERLEVELS]; 392 u32 l[SUMO_MAX_HARDWARE_POWERLEVELS]; 393 394 r[0] = SUMO_R_DFLT0; 395 r[1] = SUMO_R_DFLT1; 396 r[2] = SUMO_R_DFLT2; 397 r[3] = SUMO_R_DFLT3; 398 r[4] = SUMO_R_DFLT4; 399 400 l[0] = SUMO_L_DFLT0; 401 l[1] = SUMO_L_DFLT1; 402 l[2] = SUMO_L_DFLT2; 403 l[3] = SUMO_L_DFLT3; 404 l[4] = SUMO_L_DFLT4; 405 406 for (i = 0; i < ps->num_levels; i++) { 407 asi = (i == ps->num_levels - 1) ? pi->pasi : pi->asi; 408 409 m_a = asi * ps->levels[i].sclk / 100; 410 411 a_t = CG_R(m_a * r[i] / 100) | CG_L(m_a * l[i] / 100); 412 413 sumo_write_at(rdev, i, a_t); 414 } 415 416 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) { 417 asi = pi->pasi; 418 419 m_a = asi * pi->boost_pl.sclk / 100; 420 421 a_t = CG_R(m_a * r[ps->num_levels - 1] / 100) | 422 CG_L(m_a * l[ps->num_levels - 1] / 100); 423 424 sumo_write_at(rdev, BOOST_DPM_LEVEL, a_t); 425 } 426 } 427 428 static void sumo_program_tp(struct radeon_device *rdev) 429 { 430 int i; 431 enum r600_td td = R600_TD_DFLT; 432 433 for (i = 0; i < SUMO_PM_NUMBER_OF_TC; i++) { 434 WREG32_P(CG_FFCT_0 + (i * 4), UTC_0(sumo_utc[i]), ~UTC_0_MASK); 435 WREG32_P(CG_FFCT_0 + (i * 4), DTC_0(sumo_dtc[i]), ~DTC_0_MASK); 436 } 437 438 if (td == R600_TD_AUTO) 439 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL); 440 else 441 WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL); 442 443 if (td == R600_TD_UP) 444 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE); 445 446 if (td == R600_TD_DOWN) 447 WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE); 448 } 449 450 void sumo_program_vc(struct radeon_device *rdev, u32 vrc) 451 { 452 WREG32(CG_FTV, vrc); 453 } 454 455 void sumo_clear_vc(struct radeon_device *rdev) 456 { 457 WREG32(CG_FTV, 0); 458 } 459 460 void sumo_program_sstp(struct radeon_device *rdev) 461 { 462 u32 p, u; 463 u32 xclk = radeon_get_xclk(rdev); 464 465 r600_calculate_u_and_p(SUMO_SST_DFLT, 466 xclk, 16, &p, &u); 467 468 WREG32(CG_SSP, SSTU(u) | SST(p)); 469 } 470 471 static void sumo_set_divider_value(struct radeon_device *rdev, 472 u32 index, u32 divider) 473 { 474 u32 reg_index = index / 4; 475 u32 field_index = index % 4; 476 477 if (field_index == 0) 478 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 479 SCLK_FSTATE_0_DIV(divider), ~SCLK_FSTATE_0_DIV_MASK); 480 else if (field_index == 1) 481 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 482 SCLK_FSTATE_1_DIV(divider), ~SCLK_FSTATE_1_DIV_MASK); 483 else if (field_index == 2) 484 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 485 SCLK_FSTATE_2_DIV(divider), ~SCLK_FSTATE_2_DIV_MASK); 486 else if (field_index == 3) 487 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 488 SCLK_FSTATE_3_DIV(divider), ~SCLK_FSTATE_3_DIV_MASK); 489 } 490 491 static void sumo_set_ds_dividers(struct radeon_device *rdev, 492 u32 index, u32 divider) 493 { 494 struct sumo_power_info *pi = sumo_get_pi(rdev); 495 496 if (pi->enable_sclk_ds) { 497 u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_6); 498 499 dpm_ctrl &= ~(0x7 << (index * 3)); 500 dpm_ctrl |= (divider << (index * 3)); 501 WREG32(CG_SCLK_DPM_CTRL_6, dpm_ctrl); 502 } 503 } 504 505 static void sumo_set_ss_dividers(struct radeon_device *rdev, 506 u32 index, u32 divider) 507 { 508 struct sumo_power_info *pi = sumo_get_pi(rdev); 509 510 if (pi->enable_sclk_ds) { 511 u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_11); 512 513 dpm_ctrl &= ~(0x7 << (index * 3)); 514 dpm_ctrl |= (divider << (index * 3)); 515 WREG32(CG_SCLK_DPM_CTRL_11, dpm_ctrl); 516 } 517 } 518 519 static void sumo_set_vid(struct radeon_device *rdev, u32 index, u32 vid) 520 { 521 u32 voltage_cntl = RREG32(CG_DPM_VOLTAGE_CNTL); 522 523 voltage_cntl &= ~(DPM_STATE0_LEVEL_MASK << (index * 2)); 524 voltage_cntl |= (vid << (DPM_STATE0_LEVEL_SHIFT + index * 2)); 525 WREG32(CG_DPM_VOLTAGE_CNTL, voltage_cntl); 526 } 527 528 static void sumo_set_allos_gnb_slow(struct radeon_device *rdev, u32 index, u32 gnb_slow) 529 { 530 struct sumo_power_info *pi = sumo_get_pi(rdev); 531 u32 temp = gnb_slow; 532 u32 cg_sclk_dpm_ctrl_3; 533 534 if (pi->driver_nbps_policy_disable) 535 temp = 1; 536 537 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3); 538 cg_sclk_dpm_ctrl_3 &= ~(GNB_SLOW_FSTATE_0_MASK << index); 539 cg_sclk_dpm_ctrl_3 |= (temp << (GNB_SLOW_FSTATE_0_SHIFT + index)); 540 541 WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3); 542 } 543 544 static void sumo_program_power_level(struct radeon_device *rdev, 545 struct sumo_pl *pl, u32 index) 546 { 547 struct sumo_power_info *pi = sumo_get_pi(rdev); 548 int ret; 549 struct atom_clock_dividers dividers; 550 u32 ds_en = RREG32(DEEP_SLEEP_CNTL) & ENABLE_DS; 551 552 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 553 pl->sclk, false, ÷rs); 554 if (ret) 555 return; 556 557 sumo_set_divider_value(rdev, index, dividers.post_div); 558 559 sumo_set_vid(rdev, index, pl->vddc_index); 560 561 if (pl->ss_divider_index == 0 || pl->ds_divider_index == 0) { 562 if (ds_en) 563 WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS); 564 } else { 565 sumo_set_ss_dividers(rdev, index, pl->ss_divider_index); 566 sumo_set_ds_dividers(rdev, index, pl->ds_divider_index); 567 568 if (!ds_en) 569 WREG32_P(DEEP_SLEEP_CNTL, ENABLE_DS, ~ENABLE_DS); 570 } 571 572 sumo_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow); 573 574 if (pi->enable_boost) 575 sumo_set_tdp_limit(rdev, index, pl->sclk_dpm_tdp_limit); 576 } 577 578 static void sumo_power_level_enable(struct radeon_device *rdev, u32 index, bool enable) 579 { 580 u32 reg_index = index / 4; 581 u32 field_index = index % 4; 582 583 if (field_index == 0) 584 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 585 enable ? SCLK_FSTATE_0_VLD : 0, ~SCLK_FSTATE_0_VLD); 586 else if (field_index == 1) 587 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 588 enable ? SCLK_FSTATE_1_VLD : 0, ~SCLK_FSTATE_1_VLD); 589 else if (field_index == 2) 590 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 591 enable ? SCLK_FSTATE_2_VLD : 0, ~SCLK_FSTATE_2_VLD); 592 else if (field_index == 3) 593 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 594 enable ? SCLK_FSTATE_3_VLD : 0, ~SCLK_FSTATE_3_VLD); 595 } 596 597 static bool sumo_dpm_enabled(struct radeon_device *rdev) 598 { 599 if (RREG32(CG_SCLK_DPM_CTRL_3) & DPM_SCLK_ENABLE) 600 return true; 601 else 602 return false; 603 } 604 605 static void sumo_start_dpm(struct radeon_device *rdev) 606 { 607 WREG32_P(CG_SCLK_DPM_CTRL_3, DPM_SCLK_ENABLE, ~DPM_SCLK_ENABLE); 608 } 609 610 static void sumo_stop_dpm(struct radeon_device *rdev) 611 { 612 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE); 613 } 614 615 static void sumo_set_forced_mode(struct radeon_device *rdev, bool enable) 616 { 617 if (enable) 618 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE_EN, ~FORCE_SCLK_STATE_EN); 619 else 620 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_SCLK_STATE_EN); 621 } 622 623 static void sumo_set_forced_mode_enabled(struct radeon_device *rdev) 624 { 625 int i; 626 627 sumo_set_forced_mode(rdev, true); 628 for (i = 0; i < rdev->usec_timeout; i++) { 629 if (RREG32(CG_SCLK_STATUS) & SCLK_OVERCLK_DETECT) 630 break; 631 udelay(1); 632 } 633 } 634 635 static void sumo_wait_for_level_0(struct radeon_device *rdev) 636 { 637 int i; 638 639 for (i = 0; i < rdev->usec_timeout; i++) { 640 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) == 0) 641 break; 642 udelay(1); 643 } 644 for (i = 0; i < rdev->usec_timeout; i++) { 645 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) == 0) 646 break; 647 udelay(1); 648 } 649 } 650 651 static void sumo_set_forced_mode_disabled(struct radeon_device *rdev) 652 { 653 sumo_set_forced_mode(rdev, false); 654 } 655 656 static void sumo_enable_power_level_0(struct radeon_device *rdev) 657 { 658 sumo_power_level_enable(rdev, 0, true); 659 } 660 661 static void sumo_patch_boost_state(struct radeon_device *rdev, 662 struct radeon_ps *rps) 663 { 664 struct sumo_power_info *pi = sumo_get_pi(rdev); 665 struct sumo_ps *new_ps = sumo_get_ps(rps); 666 667 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) { 668 pi->boost_pl = new_ps->levels[new_ps->num_levels - 1]; 669 pi->boost_pl.sclk = pi->sys_info.boost_sclk; 670 pi->boost_pl.vddc_index = pi->sys_info.boost_vid_2bit; 671 pi->boost_pl.sclk_dpm_tdp_limit = pi->sys_info.sclk_dpm_tdp_limit_boost; 672 } 673 } 674 675 static void sumo_pre_notify_alt_vddnb_change(struct radeon_device *rdev, 676 struct radeon_ps *new_rps, 677 struct radeon_ps *old_rps) 678 { 679 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 680 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 681 u32 nbps1_old = 0; 682 u32 nbps1_new = 0; 683 684 if (old_ps != NULL) 685 nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 686 687 nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 688 689 if (nbps1_old == 1 && nbps1_new == 0) 690 sumo_smu_notify_alt_vddnb_change(rdev, 0, 0); 691 } 692 693 static void sumo_post_notify_alt_vddnb_change(struct radeon_device *rdev, 694 struct radeon_ps *new_rps, 695 struct radeon_ps *old_rps) 696 { 697 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 698 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 699 u32 nbps1_old = 0; 700 u32 nbps1_new = 0; 701 702 if (old_ps != NULL) 703 nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 704 705 nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 706 707 if (nbps1_old == 0 && nbps1_new == 1) 708 sumo_smu_notify_alt_vddnb_change(rdev, 1, 1); 709 } 710 711 static void sumo_enable_boost(struct radeon_device *rdev, 712 struct radeon_ps *rps, 713 bool enable) 714 { 715 struct sumo_ps *new_ps = sumo_get_ps(rps); 716 717 if (enable) { 718 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 719 sumo_boost_state_enable(rdev, true); 720 } else 721 sumo_boost_state_enable(rdev, false); 722 } 723 724 static void sumo_set_forced_level(struct radeon_device *rdev, u32 index) 725 { 726 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE(index), ~FORCE_SCLK_STATE_MASK); 727 } 728 729 static void sumo_set_forced_level_0(struct radeon_device *rdev) 730 { 731 sumo_set_forced_level(rdev, 0); 732 } 733 734 static void sumo_program_wl(struct radeon_device *rdev, 735 struct radeon_ps *rps) 736 { 737 struct sumo_ps *new_ps = sumo_get_ps(rps); 738 u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4); 739 740 dpm_ctrl4 &= 0xFFFFFF00; 741 dpm_ctrl4 |= (1 << (new_ps->num_levels - 1)); 742 743 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 744 dpm_ctrl4 |= (1 << BOOST_DPM_LEVEL); 745 746 WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4); 747 } 748 749 static void sumo_program_power_levels_0_to_n(struct radeon_device *rdev, 750 struct radeon_ps *new_rps, 751 struct radeon_ps *old_rps) 752 { 753 struct sumo_power_info *pi = sumo_get_pi(rdev); 754 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 755 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 756 u32 i; 757 u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels; 758 759 for (i = 0; i < new_ps->num_levels; i++) { 760 sumo_program_power_level(rdev, &new_ps->levels[i], i); 761 sumo_power_level_enable(rdev, i, true); 762 } 763 764 for (i = new_ps->num_levels; i < n_current_state_levels; i++) 765 sumo_power_level_enable(rdev, i, false); 766 767 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 768 sumo_program_power_level(rdev, &pi->boost_pl, BOOST_DPM_LEVEL); 769 } 770 771 static void sumo_enable_acpi_pm(struct radeon_device *rdev) 772 { 773 WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN); 774 } 775 776 static void sumo_program_power_level_enter_state(struct radeon_device *rdev) 777 { 778 WREG32_P(CG_SCLK_DPM_CTRL_5, SCLK_FSTATE_BOOTUP(0), ~SCLK_FSTATE_BOOTUP_MASK); 779 } 780 781 static void sumo_program_acpi_power_level(struct radeon_device *rdev) 782 { 783 struct sumo_power_info *pi = sumo_get_pi(rdev); 784 struct atom_clock_dividers dividers; 785 int ret; 786 787 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 788 pi->acpi_pl.sclk, 789 false, ÷rs); 790 if (ret) 791 return; 792 793 WREG32_P(CG_ACPI_CNTL, SCLK_ACPI_DIV(dividers.post_div), ~SCLK_ACPI_DIV_MASK); 794 WREG32_P(CG_ACPI_VOLTAGE_CNTL, 0, ~ACPI_VOLTAGE_EN); 795 } 796 797 static void sumo_program_bootup_state(struct radeon_device *rdev) 798 { 799 struct sumo_power_info *pi = sumo_get_pi(rdev); 800 u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4); 801 u32 i; 802 803 sumo_program_power_level(rdev, &pi->boot_pl, 0); 804 805 dpm_ctrl4 &= 0xFFFFFF00; 806 WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4); 807 808 for (i = 1; i < 8; i++) 809 sumo_power_level_enable(rdev, i, false); 810 } 811 812 static void sumo_setup_uvd_clocks(struct radeon_device *rdev, 813 struct radeon_ps *new_rps, 814 struct radeon_ps *old_rps) 815 { 816 struct sumo_power_info *pi = sumo_get_pi(rdev); 817 818 if (pi->enable_gfx_power_gating) { 819 sumo_gfx_powergating_enable(rdev, false); 820 } 821 822 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 823 824 if (pi->enable_gfx_power_gating) { 825 if (!pi->disable_gfx_power_gating_in_uvd || 826 !r600_is_uvd_state(new_rps->class, new_rps->class2)) 827 sumo_gfx_powergating_enable(rdev, true); 828 } 829 } 830 831 static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev, 832 struct radeon_ps *new_rps, 833 struct radeon_ps *old_rps) 834 { 835 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 836 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 837 838 if ((new_rps->vclk == old_rps->vclk) && 839 (new_rps->dclk == old_rps->dclk)) 840 return; 841 842 if (new_ps->levels[new_ps->num_levels - 1].sclk >= 843 current_ps->levels[current_ps->num_levels - 1].sclk) 844 return; 845 846 sumo_setup_uvd_clocks(rdev, new_rps, old_rps); 847 } 848 849 static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, 850 struct radeon_ps *new_rps, 851 struct radeon_ps *old_rps) 852 { 853 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 854 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 855 856 if ((new_rps->vclk == old_rps->vclk) && 857 (new_rps->dclk == old_rps->dclk)) 858 return; 859 860 if (new_ps->levels[new_ps->num_levels - 1].sclk < 861 current_ps->levels[current_ps->num_levels - 1].sclk) 862 return; 863 864 sumo_setup_uvd_clocks(rdev, new_rps, old_rps); 865 } 866 867 void sumo_take_smu_control(struct radeon_device *rdev, bool enable) 868 { 869 /* This bit selects who handles display phy powergating. 870 * Clear the bit to let atom handle it. 871 * Set it to let the driver handle it. 872 * For now we just let atom handle it. 873 */ 874 #if 0 875 u32 v = RREG32(DOUT_SCRATCH3); 876 877 if (enable) 878 v |= 0x4; 879 else 880 v &= 0xFFFFFFFB; 881 882 WREG32(DOUT_SCRATCH3, v); 883 #endif 884 } 885 886 static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable) 887 { 888 if (enable) { 889 u32 deep_sleep_cntl = RREG32(DEEP_SLEEP_CNTL); 890 u32 deep_sleep_cntl2 = RREG32(DEEP_SLEEP_CNTL2); 891 u32 t = 1; 892 893 deep_sleep_cntl &= ~R_DIS; 894 deep_sleep_cntl &= ~HS_MASK; 895 deep_sleep_cntl |= HS(t > 4095 ? 4095 : t); 896 897 deep_sleep_cntl2 |= LB_UFP_EN; 898 deep_sleep_cntl2 &= INOUT_C_MASK; 899 deep_sleep_cntl2 |= INOUT_C(0xf); 900 901 WREG32(DEEP_SLEEP_CNTL2, deep_sleep_cntl2); 902 WREG32(DEEP_SLEEP_CNTL, deep_sleep_cntl); 903 } else 904 WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS); 905 } 906 907 static void sumo_program_bootup_at(struct radeon_device *rdev) 908 { 909 WREG32_P(CG_AT_0, CG_R(0xffff), ~CG_R_MASK); 910 WREG32_P(CG_AT_0, CG_L(0), ~CG_L_MASK); 911 } 912 913 static void sumo_reset_am(struct radeon_device *rdev) 914 { 915 WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET); 916 } 917 918 static void sumo_start_am(struct radeon_device *rdev) 919 { 920 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET); 921 } 922 923 static void sumo_program_ttp(struct radeon_device *rdev) 924 { 925 u32 xclk = radeon_get_xclk(rdev); 926 u32 p, u; 927 u32 cg_sclk_dpm_ctrl_5 = RREG32(CG_SCLK_DPM_CTRL_5); 928 929 r600_calculate_u_and_p(1000, 930 xclk, 16, &p, &u); 931 932 cg_sclk_dpm_ctrl_5 &= ~(TT_TP_MASK | TT_TU_MASK); 933 cg_sclk_dpm_ctrl_5 |= TT_TP(p) | TT_TU(u); 934 935 WREG32(CG_SCLK_DPM_CTRL_5, cg_sclk_dpm_ctrl_5); 936 } 937 938 static void sumo_program_ttt(struct radeon_device *rdev) 939 { 940 u32 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3); 941 struct sumo_power_info *pi = sumo_get_pi(rdev); 942 943 cg_sclk_dpm_ctrl_3 &= ~(GNB_TT_MASK | GNB_THERMTHRO_MASK); 944 cg_sclk_dpm_ctrl_3 |= GNB_TT(pi->thermal_auto_throttling + 49); 945 946 WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3); 947 } 948 949 950 static void sumo_enable_voltage_scaling(struct radeon_device *rdev, bool enable) 951 { 952 if (enable) { 953 WREG32_P(CG_DPM_VOLTAGE_CNTL, DPM_VOLTAGE_EN, ~DPM_VOLTAGE_EN); 954 WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~CG_VOLTAGE_EN); 955 } else { 956 WREG32_P(CG_CG_VOLTAGE_CNTL, CG_VOLTAGE_EN, ~CG_VOLTAGE_EN); 957 WREG32_P(CG_DPM_VOLTAGE_CNTL, 0, ~DPM_VOLTAGE_EN); 958 } 959 } 960 961 static void sumo_override_cnb_thermal_events(struct radeon_device *rdev) 962 { 963 WREG32_P(CG_SCLK_DPM_CTRL_3, CNB_THERMTHRO_MASK_SCLK, 964 ~CNB_THERMTHRO_MASK_SCLK); 965 } 966 967 static void sumo_program_dc_hto(struct radeon_device *rdev) 968 { 969 u32 cg_sclk_dpm_ctrl_4 = RREG32(CG_SCLK_DPM_CTRL_4); 970 u32 p, u; 971 u32 xclk = radeon_get_xclk(rdev); 972 973 r600_calculate_u_and_p(100000, 974 xclk, 14, &p, &u); 975 976 cg_sclk_dpm_ctrl_4 &= ~(DC_HDC_MASK | DC_HU_MASK); 977 cg_sclk_dpm_ctrl_4 |= DC_HDC(p) | DC_HU(u); 978 979 WREG32(CG_SCLK_DPM_CTRL_4, cg_sclk_dpm_ctrl_4); 980 } 981 982 static void sumo_force_nbp_state(struct radeon_device *rdev, 983 struct radeon_ps *rps) 984 { 985 struct sumo_power_info *pi = sumo_get_pi(rdev); 986 struct sumo_ps *new_ps = sumo_get_ps(rps); 987 988 if (!pi->driver_nbps_policy_disable) { 989 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) 990 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_NB_PSTATE_1, ~FORCE_NB_PSTATE_1); 991 else 992 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_NB_PSTATE_1); 993 } 994 } 995 996 u32 sumo_get_sleep_divider_from_id(u32 id) 997 { 998 return 1 << id; 999 } 1000 1001 u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev, 1002 u32 sclk, 1003 u32 min_sclk_in_sr) 1004 { 1005 struct sumo_power_info *pi = sumo_get_pi(rdev); 1006 u32 i; 1007 u32 temp; 1008 u32 min = (min_sclk_in_sr > SUMO_MINIMUM_ENGINE_CLOCK) ? 1009 min_sclk_in_sr : SUMO_MINIMUM_ENGINE_CLOCK; 1010 1011 if (sclk < min) 1012 return 0; 1013 1014 if (!pi->enable_sclk_ds) 1015 return 0; 1016 1017 for (i = SUMO_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) { 1018 temp = sclk / sumo_get_sleep_divider_from_id(i); 1019 1020 if (temp >= min || i == 0) 1021 break; 1022 } 1023 return i; 1024 } 1025 1026 static u32 sumo_get_valid_engine_clock(struct radeon_device *rdev, 1027 u32 lower_limit) 1028 { 1029 struct sumo_power_info *pi = sumo_get_pi(rdev); 1030 u32 i; 1031 1032 for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) { 1033 if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit) 1034 return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency; 1035 } 1036 1037 return pi->sys_info.sclk_voltage_mapping_table.entries[pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1].sclk_frequency; 1038 } 1039 1040 static void sumo_patch_thermal_state(struct radeon_device *rdev, 1041 struct sumo_ps *ps, 1042 struct sumo_ps *current_ps) 1043 { 1044 struct sumo_power_info *pi = sumo_get_pi(rdev); 1045 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1046 u32 current_vddc; 1047 u32 current_sclk; 1048 u32 current_index = 0; 1049 1050 if (current_ps) { 1051 current_vddc = current_ps->levels[current_index].vddc_index; 1052 current_sclk = current_ps->levels[current_index].sclk; 1053 } else { 1054 current_vddc = pi->boot_pl.vddc_index; 1055 current_sclk = pi->boot_pl.sclk; 1056 } 1057 1058 ps->levels[0].vddc_index = current_vddc; 1059 1060 if (ps->levels[0].sclk > current_sclk) 1061 ps->levels[0].sclk = current_sclk; 1062 1063 ps->levels[0].ss_divider_index = 1064 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr); 1065 1066 ps->levels[0].ds_divider_index = 1067 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, SUMO_MINIMUM_ENGINE_CLOCK); 1068 1069 if (ps->levels[0].ds_divider_index > ps->levels[0].ss_divider_index + 1) 1070 ps->levels[0].ds_divider_index = ps->levels[0].ss_divider_index + 1; 1071 1072 if (ps->levels[0].ss_divider_index == ps->levels[0].ds_divider_index) { 1073 if (ps->levels[0].ss_divider_index > 1) 1074 ps->levels[0].ss_divider_index = ps->levels[0].ss_divider_index - 1; 1075 } 1076 1077 if (ps->levels[0].ss_divider_index == 0) 1078 ps->levels[0].ds_divider_index = 0; 1079 1080 if (ps->levels[0].ds_divider_index == 0) 1081 ps->levels[0].ss_divider_index = 0; 1082 } 1083 1084 static void sumo_apply_state_adjust_rules(struct radeon_device *rdev, 1085 struct radeon_ps *new_rps, 1086 struct radeon_ps *old_rps) 1087 { 1088 struct sumo_ps *ps = sumo_get_ps(new_rps); 1089 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 1090 struct sumo_power_info *pi = sumo_get_pi(rdev); 1091 u32 min_voltage = 0; /* ??? */ 1092 u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */ 1093 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1094 u32 i; 1095 1096 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) 1097 return sumo_patch_thermal_state(rdev, ps, current_ps); 1098 1099 if (pi->enable_boost) { 1100 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) 1101 ps->flags |= SUMO_POWERSTATE_FLAGS_BOOST_STATE; 1102 } 1103 1104 if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) || 1105 (new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) || 1106 (new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)) 1107 ps->flags |= SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE; 1108 1109 for (i = 0; i < ps->num_levels; i++) { 1110 if (ps->levels[i].vddc_index < min_voltage) 1111 ps->levels[i].vddc_index = min_voltage; 1112 1113 if (ps->levels[i].sclk < min_sclk) 1114 ps->levels[i].sclk = 1115 sumo_get_valid_engine_clock(rdev, min_sclk); 1116 1117 ps->levels[i].ss_divider_index = 1118 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr); 1119 1120 ps->levels[i].ds_divider_index = 1121 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, SUMO_MINIMUM_ENGINE_CLOCK); 1122 1123 if (ps->levels[i].ds_divider_index > ps->levels[i].ss_divider_index + 1) 1124 ps->levels[i].ds_divider_index = ps->levels[i].ss_divider_index + 1; 1125 1126 if (ps->levels[i].ss_divider_index == ps->levels[i].ds_divider_index) { 1127 if (ps->levels[i].ss_divider_index > 1) 1128 ps->levels[i].ss_divider_index = ps->levels[i].ss_divider_index - 1; 1129 } 1130 1131 if (ps->levels[i].ss_divider_index == 0) 1132 ps->levels[i].ds_divider_index = 0; 1133 1134 if (ps->levels[i].ds_divider_index == 0) 1135 ps->levels[i].ss_divider_index = 0; 1136 1137 if (ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) 1138 ps->levels[i].allow_gnb_slow = 1; 1139 else if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) || 1140 (new_rps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)) 1141 ps->levels[i].allow_gnb_slow = 0; 1142 else if (i == ps->num_levels - 1) 1143 ps->levels[i].allow_gnb_slow = 0; 1144 else 1145 ps->levels[i].allow_gnb_slow = 1; 1146 } 1147 } 1148 1149 static void sumo_cleanup_asic(struct radeon_device *rdev) 1150 { 1151 sumo_take_smu_control(rdev, false); 1152 } 1153 1154 static int sumo_set_thermal_temperature_range(struct radeon_device *rdev, 1155 int min_temp, int max_temp) 1156 { 1157 int low_temp = 0 * 1000; 1158 int high_temp = 255 * 1000; 1159 1160 if (low_temp < min_temp) 1161 low_temp = min_temp; 1162 if (high_temp > max_temp) 1163 high_temp = max_temp; 1164 if (high_temp < low_temp) { 1165 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); 1166 return -EINVAL; 1167 } 1168 1169 WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK); 1170 WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK); 1171 1172 rdev->pm.dpm.thermal.min_temp = low_temp; 1173 rdev->pm.dpm.thermal.max_temp = high_temp; 1174 1175 return 0; 1176 } 1177 1178 static void sumo_update_current_ps(struct radeon_device *rdev, 1179 struct radeon_ps *rps) 1180 { 1181 struct sumo_ps *new_ps = sumo_get_ps(rps); 1182 struct sumo_power_info *pi = sumo_get_pi(rdev); 1183 1184 pi->current_rps = *rps; 1185 pi->current_ps = *new_ps; 1186 pi->current_rps.ps_priv = &pi->current_ps; 1187 } 1188 1189 static void sumo_update_requested_ps(struct radeon_device *rdev, 1190 struct radeon_ps *rps) 1191 { 1192 struct sumo_ps *new_ps = sumo_get_ps(rps); 1193 struct sumo_power_info *pi = sumo_get_pi(rdev); 1194 1195 pi->requested_rps = *rps; 1196 pi->requested_ps = *new_ps; 1197 pi->requested_rps.ps_priv = &pi->requested_ps; 1198 } 1199 1200 int sumo_dpm_enable(struct radeon_device *rdev) 1201 { 1202 struct sumo_power_info *pi = sumo_get_pi(rdev); 1203 1204 if (sumo_dpm_enabled(rdev)) 1205 return -EINVAL; 1206 1207 sumo_program_bootup_state(rdev); 1208 sumo_init_bsp(rdev); 1209 sumo_reset_am(rdev); 1210 sumo_program_tp(rdev); 1211 sumo_program_bootup_at(rdev); 1212 sumo_start_am(rdev); 1213 if (pi->enable_auto_thermal_throttling) { 1214 sumo_program_ttp(rdev); 1215 sumo_program_ttt(rdev); 1216 } 1217 sumo_program_dc_hto(rdev); 1218 sumo_program_power_level_enter_state(rdev); 1219 sumo_enable_voltage_scaling(rdev, true); 1220 sumo_program_sstp(rdev); 1221 sumo_program_vc(rdev, SUMO_VRC_DFLT); 1222 sumo_override_cnb_thermal_events(rdev); 1223 sumo_start_dpm(rdev); 1224 sumo_wait_for_level_0(rdev); 1225 if (pi->enable_sclk_ds) 1226 sumo_enable_sclk_ds(rdev, true); 1227 if (pi->enable_boost) 1228 sumo_enable_boost_timer(rdev); 1229 1230 sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1231 1232 return 0; 1233 } 1234 1235 int sumo_dpm_late_enable(struct radeon_device *rdev) 1236 { 1237 int ret; 1238 1239 ret = sumo_enable_clock_power_gating(rdev); 1240 if (ret) 1241 return ret; 1242 1243 if (rdev->irq.installed && 1244 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1245 ret = sumo_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); 1246 if (ret) 1247 return ret; 1248 rdev->irq.dpm_thermal = true; 1249 radeon_irq_set(rdev); 1250 } 1251 1252 return 0; 1253 } 1254 1255 void sumo_dpm_disable(struct radeon_device *rdev) 1256 { 1257 struct sumo_power_info *pi = sumo_get_pi(rdev); 1258 1259 if (!sumo_dpm_enabled(rdev)) 1260 return; 1261 sumo_disable_clock_power_gating(rdev); 1262 if (pi->enable_sclk_ds) 1263 sumo_enable_sclk_ds(rdev, false); 1264 sumo_clear_vc(rdev); 1265 sumo_wait_for_level_0(rdev); 1266 sumo_stop_dpm(rdev); 1267 sumo_enable_voltage_scaling(rdev, false); 1268 1269 if (rdev->irq.installed && 1270 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1271 rdev->irq.dpm_thermal = false; 1272 radeon_irq_set(rdev); 1273 } 1274 1275 sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1276 } 1277 1278 int sumo_dpm_pre_set_power_state(struct radeon_device *rdev) 1279 { 1280 struct sumo_power_info *pi = sumo_get_pi(rdev); 1281 struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps; 1282 struct radeon_ps *new_ps = &requested_ps; 1283 1284 sumo_update_requested_ps(rdev, new_ps); 1285 1286 if (pi->enable_dynamic_patch_ps) 1287 sumo_apply_state_adjust_rules(rdev, 1288 &pi->requested_rps, 1289 &pi->current_rps); 1290 1291 return 0; 1292 } 1293 1294 int sumo_dpm_set_power_state(struct radeon_device *rdev) 1295 { 1296 struct sumo_power_info *pi = sumo_get_pi(rdev); 1297 struct radeon_ps *new_ps = &pi->requested_rps; 1298 struct radeon_ps *old_ps = &pi->current_rps; 1299 1300 if (pi->enable_dpm) 1301 sumo_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); 1302 if (pi->enable_boost) { 1303 sumo_enable_boost(rdev, new_ps, false); 1304 sumo_patch_boost_state(rdev, new_ps); 1305 } 1306 if (pi->enable_dpm) { 1307 sumo_pre_notify_alt_vddnb_change(rdev, new_ps, old_ps); 1308 sumo_enable_power_level_0(rdev); 1309 sumo_set_forced_level_0(rdev); 1310 sumo_set_forced_mode_enabled(rdev); 1311 sumo_wait_for_level_0(rdev); 1312 sumo_program_power_levels_0_to_n(rdev, new_ps, old_ps); 1313 sumo_program_wl(rdev, new_ps); 1314 sumo_program_bsp(rdev, new_ps); 1315 sumo_program_at(rdev, new_ps); 1316 sumo_force_nbp_state(rdev, new_ps); 1317 sumo_set_forced_mode_disabled(rdev); 1318 sumo_set_forced_mode_enabled(rdev); 1319 sumo_set_forced_mode_disabled(rdev); 1320 sumo_post_notify_alt_vddnb_change(rdev, new_ps, old_ps); 1321 } 1322 if (pi->enable_boost) 1323 sumo_enable_boost(rdev, new_ps, true); 1324 if (pi->enable_dpm) 1325 sumo_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); 1326 1327 return 0; 1328 } 1329 1330 void sumo_dpm_post_set_power_state(struct radeon_device *rdev) 1331 { 1332 struct sumo_power_info *pi = sumo_get_pi(rdev); 1333 struct radeon_ps *new_ps = &pi->requested_rps; 1334 1335 sumo_update_current_ps(rdev, new_ps); 1336 } 1337 1338 #if 0 1339 void sumo_dpm_reset_asic(struct radeon_device *rdev) 1340 { 1341 sumo_program_bootup_state(rdev); 1342 sumo_enable_power_level_0(rdev); 1343 sumo_set_forced_level_0(rdev); 1344 sumo_set_forced_mode_enabled(rdev); 1345 sumo_wait_for_level_0(rdev); 1346 sumo_set_forced_mode_disabled(rdev); 1347 sumo_set_forced_mode_enabled(rdev); 1348 sumo_set_forced_mode_disabled(rdev); 1349 } 1350 #endif 1351 1352 void sumo_dpm_setup_asic(struct radeon_device *rdev) 1353 { 1354 struct sumo_power_info *pi = sumo_get_pi(rdev); 1355 1356 sumo_initialize_m3_arb(rdev); 1357 pi->fw_version = sumo_get_running_fw_version(rdev); 1358 DRM_INFO("Found smc ucode version: 0x%08x\n", pi->fw_version); 1359 sumo_program_acpi_power_level(rdev); 1360 sumo_enable_acpi_pm(rdev); 1361 sumo_take_smu_control(rdev, true); 1362 } 1363 1364 void sumo_dpm_display_configuration_changed(struct radeon_device *rdev) 1365 { 1366 1367 } 1368 1369 union power_info { 1370 struct _ATOM_POWERPLAY_INFO info; 1371 struct _ATOM_POWERPLAY_INFO_V2 info_2; 1372 struct _ATOM_POWERPLAY_INFO_V3 info_3; 1373 struct _ATOM_PPLIB_POWERPLAYTABLE pplib; 1374 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; 1375 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; 1376 }; 1377 1378 union pplib_clock_info { 1379 struct _ATOM_PPLIB_R600_CLOCK_INFO r600; 1380 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; 1381 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; 1382 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; 1383 }; 1384 1385 union pplib_power_state { 1386 struct _ATOM_PPLIB_STATE v1; 1387 struct _ATOM_PPLIB_STATE_V2 v2; 1388 }; 1389 1390 static void sumo_patch_boot_state(struct radeon_device *rdev, 1391 struct sumo_ps *ps) 1392 { 1393 struct sumo_power_info *pi = sumo_get_pi(rdev); 1394 1395 ps->num_levels = 1; 1396 ps->flags = 0; 1397 ps->levels[0] = pi->boot_pl; 1398 } 1399 1400 static void sumo_parse_pplib_non_clock_info(struct radeon_device *rdev, 1401 struct radeon_ps *rps, 1402 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, 1403 u8 table_rev) 1404 { 1405 struct sumo_ps *ps = sumo_get_ps(rps); 1406 1407 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); 1408 rps->class = le16_to_cpu(non_clock_info->usClassification); 1409 rps->class2 = le16_to_cpu(non_clock_info->usClassification2); 1410 1411 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { 1412 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); 1413 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); 1414 } else { 1415 rps->vclk = 0; 1416 rps->dclk = 0; 1417 } 1418 1419 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { 1420 rdev->pm.dpm.boot_ps = rps; 1421 sumo_patch_boot_state(rdev, ps); 1422 } 1423 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) 1424 rdev->pm.dpm.uvd_ps = rps; 1425 } 1426 1427 static void sumo_parse_pplib_clock_info(struct radeon_device *rdev, 1428 struct radeon_ps *rps, int index, 1429 union pplib_clock_info *clock_info) 1430 { 1431 struct sumo_power_info *pi = sumo_get_pi(rdev); 1432 struct sumo_ps *ps = sumo_get_ps(rps); 1433 struct sumo_pl *pl = &ps->levels[index]; 1434 u32 sclk; 1435 1436 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1437 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1438 pl->sclk = sclk; 1439 pl->vddc_index = clock_info->sumo.vddcIndex; 1440 pl->sclk_dpm_tdp_limit = clock_info->sumo.tdpLimit; 1441 1442 ps->num_levels = index + 1; 1443 1444 if (pi->enable_sclk_ds) { 1445 pl->ds_divider_index = 5; 1446 pl->ss_divider_index = 4; 1447 } 1448 } 1449 1450 static int sumo_parse_power_table(struct radeon_device *rdev) 1451 { 1452 struct radeon_mode_info *mode_info = &rdev->mode_info; 1453 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; 1454 union pplib_power_state *power_state; 1455 int i, j, k, non_clock_array_index, clock_array_index; 1456 union pplib_clock_info *clock_info; 1457 struct _StateArray *state_array; 1458 struct _ClockInfoArray *clock_info_array; 1459 struct _NonClockInfoArray *non_clock_info_array; 1460 union power_info *power_info; 1461 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); 1462 u16 data_offset; 1463 u8 frev, crev; 1464 u8 *power_state_offset; 1465 struct sumo_ps *ps; 1466 1467 if (!atom_parse_data_header(mode_info->atom_context, index, NULL, 1468 &frev, &crev, &data_offset)) 1469 return -EINVAL; 1470 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); 1471 1472 state_array = (struct _StateArray *) 1473 (mode_info->atom_context->bios + data_offset + 1474 le16_to_cpu(power_info->pplib.usStateArrayOffset)); 1475 clock_info_array = (struct _ClockInfoArray *) 1476 (mode_info->atom_context->bios + data_offset + 1477 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); 1478 non_clock_info_array = (struct _NonClockInfoArray *) 1479 (mode_info->atom_context->bios + data_offset + 1480 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); 1481 1482 rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries, 1483 sizeof(struct radeon_ps), 1484 GFP_KERNEL); 1485 if (!rdev->pm.dpm.ps) 1486 return -ENOMEM; 1487 power_state_offset = (u8 *)state_array->states; 1488 for (i = 0; i < state_array->ucNumEntries; i++) { 1489 u8 *idx; 1490 power_state = (union pplib_power_state *)power_state_offset; 1491 non_clock_array_index = power_state->v2.nonClockInfoIndex; 1492 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) 1493 &non_clock_info_array->nonClockInfo[non_clock_array_index]; 1494 if (!rdev->pm.power_state[i].clock_info) { 1495 kfree(rdev->pm.dpm.ps); 1496 return -EINVAL; 1497 } 1498 ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); 1499 if (ps == NULL) { 1500 kfree(rdev->pm.dpm.ps); 1501 return -ENOMEM; 1502 } 1503 rdev->pm.dpm.ps[i].ps_priv = ps; 1504 k = 0; 1505 idx = (u8 *)&power_state->v2.clockInfoIndex[0]; 1506 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { 1507 clock_array_index = idx[j]; 1508 if (k >= SUMO_MAX_HARDWARE_POWERLEVELS) 1509 break; 1510 1511 clock_info = (union pplib_clock_info *) 1512 ((u8 *)&clock_info_array->clockInfo[0] + 1513 (clock_array_index * clock_info_array->ucEntrySize)); 1514 sumo_parse_pplib_clock_info(rdev, 1515 &rdev->pm.dpm.ps[i], k, 1516 clock_info); 1517 k++; 1518 } 1519 sumo_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], 1520 non_clock_info, 1521 non_clock_info_array->ucEntrySize); 1522 power_state_offset += 2 + power_state->v2.ucNumDPMLevels; 1523 } 1524 rdev->pm.dpm.num_ps = state_array->ucNumEntries; 1525 return 0; 1526 } 1527 1528 u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev, 1529 struct sumo_vid_mapping_table *vid_mapping_table, 1530 u32 vid_2bit) 1531 { 1532 u32 i; 1533 1534 for (i = 0; i < vid_mapping_table->num_entries; i++) { 1535 if (vid_mapping_table->entries[i].vid_2bit == vid_2bit) 1536 return vid_mapping_table->entries[i].vid_7bit; 1537 } 1538 1539 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit; 1540 } 1541 1542 #if 0 1543 u32 sumo_convert_vid7_to_vid2(struct radeon_device *rdev, 1544 struct sumo_vid_mapping_table *vid_mapping_table, 1545 u32 vid_7bit) 1546 { 1547 u32 i; 1548 1549 for (i = 0; i < vid_mapping_table->num_entries; i++) { 1550 if (vid_mapping_table->entries[i].vid_7bit == vid_7bit) 1551 return vid_mapping_table->entries[i].vid_2bit; 1552 } 1553 1554 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit; 1555 } 1556 #endif 1557 1558 static u16 sumo_convert_voltage_index_to_value(struct radeon_device *rdev, 1559 u32 vid_2bit) 1560 { 1561 struct sumo_power_info *pi = sumo_get_pi(rdev); 1562 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit); 1563 1564 if (vid_7bit > 0x7C) 1565 return 0; 1566 1567 return (15500 - vid_7bit * 125 + 5) / 10; 1568 } 1569 1570 static void sumo_construct_display_voltage_mapping_table(struct radeon_device *rdev, 1571 struct sumo_disp_clock_voltage_mapping_table *disp_clk_voltage_mapping_table, 1572 ATOM_CLK_VOLT_CAPABILITY *table) 1573 { 1574 u32 i; 1575 1576 for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) { 1577 if (table[i].ulMaximumSupportedCLK == 0) 1578 break; 1579 1580 disp_clk_voltage_mapping_table->display_clock_frequency[i] = 1581 table[i].ulMaximumSupportedCLK; 1582 } 1583 1584 disp_clk_voltage_mapping_table->num_max_voltage_levels = i; 1585 1586 if (disp_clk_voltage_mapping_table->num_max_voltage_levels == 0) { 1587 disp_clk_voltage_mapping_table->display_clock_frequency[0] = 80000; 1588 disp_clk_voltage_mapping_table->num_max_voltage_levels = 1; 1589 } 1590 } 1591 1592 void sumo_construct_sclk_voltage_mapping_table(struct radeon_device *rdev, 1593 struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table, 1594 ATOM_AVAILABLE_SCLK_LIST *table) 1595 { 1596 u32 i; 1597 u32 n = 0; 1598 u32 prev_sclk = 0; 1599 1600 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 1601 if (table[i].ulSupportedSCLK > prev_sclk) { 1602 sclk_voltage_mapping_table->entries[n].sclk_frequency = 1603 table[i].ulSupportedSCLK; 1604 sclk_voltage_mapping_table->entries[n].vid_2bit = 1605 table[i].usVoltageIndex; 1606 prev_sclk = table[i].ulSupportedSCLK; 1607 n++; 1608 } 1609 } 1610 1611 sclk_voltage_mapping_table->num_max_dpm_entries = n; 1612 } 1613 1614 void sumo_construct_vid_mapping_table(struct radeon_device *rdev, 1615 struct sumo_vid_mapping_table *vid_mapping_table, 1616 ATOM_AVAILABLE_SCLK_LIST *table) 1617 { 1618 u32 i, j; 1619 1620 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 1621 if (table[i].ulSupportedSCLK != 0) { 1622 vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = 1623 table[i].usVoltageID; 1624 vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = 1625 table[i].usVoltageIndex; 1626 } 1627 } 1628 1629 for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) { 1630 if (vid_mapping_table->entries[i].vid_7bit == 0) { 1631 for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) { 1632 if (vid_mapping_table->entries[j].vid_7bit != 0) { 1633 vid_mapping_table->entries[i] = 1634 vid_mapping_table->entries[j]; 1635 vid_mapping_table->entries[j].vid_7bit = 0; 1636 break; 1637 } 1638 } 1639 1640 if (j == SUMO_MAX_NUMBER_VOLTAGES) 1641 break; 1642 } 1643 } 1644 1645 vid_mapping_table->num_entries = i; 1646 } 1647 1648 union igp_info { 1649 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 1650 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 1651 struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5; 1652 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 1653 }; 1654 1655 static int sumo_parse_sys_info_table(struct radeon_device *rdev) 1656 { 1657 struct sumo_power_info *pi = sumo_get_pi(rdev); 1658 struct radeon_mode_info *mode_info = &rdev->mode_info; 1659 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 1660 union igp_info *igp_info; 1661 u8 frev, crev; 1662 u16 data_offset; 1663 int i; 1664 1665 if (atom_parse_data_header(mode_info->atom_context, index, NULL, 1666 &frev, &crev, &data_offset)) { 1667 igp_info = (union igp_info *)(mode_info->atom_context->bios + 1668 data_offset); 1669 1670 if (crev != 6) { 1671 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 1672 return -EINVAL; 1673 } 1674 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_6.ulBootUpEngineClock); 1675 pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_6.ulMinEngineClock); 1676 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_6.ulBootUpUMAClock); 1677 pi->sys_info.bootup_nb_voltage_index = 1678 le16_to_cpu(igp_info->info_6.usBootUpNBVoltage); 1679 if (igp_info->info_6.ucHtcTmpLmt == 0) 1680 pi->sys_info.htc_tmp_lmt = 203; 1681 else 1682 pi->sys_info.htc_tmp_lmt = igp_info->info_6.ucHtcTmpLmt; 1683 if (igp_info->info_6.ucHtcHystLmt == 0) 1684 pi->sys_info.htc_hyst_lmt = 5; 1685 else 1686 pi->sys_info.htc_hyst_lmt = igp_info->info_6.ucHtcHystLmt; 1687 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) { 1688 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n"); 1689 } 1690 for (i = 0; i < NUMBER_OF_M3ARB_PARAM_SETS; i++) { 1691 pi->sys_info.csr_m3_arb_cntl_default[i] = 1692 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_DEFAULT[i]); 1693 pi->sys_info.csr_m3_arb_cntl_uvd[i] = 1694 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_UVD[i]); 1695 pi->sys_info.csr_m3_arb_cntl_fs3d[i] = 1696 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_FS3D[i]); 1697 } 1698 pi->sys_info.sclk_dpm_boost_margin = 1699 le32_to_cpu(igp_info->info_6.SclkDpmBoostMargin); 1700 pi->sys_info.sclk_dpm_throttle_margin = 1701 le32_to_cpu(igp_info->info_6.SclkDpmThrottleMargin); 1702 pi->sys_info.sclk_dpm_tdp_limit_pg = 1703 le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitPG); 1704 pi->sys_info.gnb_tdp_limit = le16_to_cpu(igp_info->info_6.GnbTdpLimit); 1705 pi->sys_info.sclk_dpm_tdp_limit_boost = 1706 le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitBoost); 1707 pi->sys_info.boost_sclk = le32_to_cpu(igp_info->info_6.ulBoostEngineCLock); 1708 pi->sys_info.boost_vid_2bit = igp_info->info_6.ulBoostVid_2bit; 1709 if (igp_info->info_6.EnableBoost) 1710 pi->sys_info.enable_boost = true; 1711 else 1712 pi->sys_info.enable_boost = false; 1713 sumo_construct_display_voltage_mapping_table(rdev, 1714 &pi->sys_info.disp_clk_voltage_mapping_table, 1715 igp_info->info_6.sDISPCLK_Voltage); 1716 sumo_construct_sclk_voltage_mapping_table(rdev, 1717 &pi->sys_info.sclk_voltage_mapping_table, 1718 igp_info->info_6.sAvail_SCLK); 1719 sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table, 1720 igp_info->info_6.sAvail_SCLK); 1721 1722 } 1723 return 0; 1724 } 1725 1726 static void sumo_construct_boot_and_acpi_state(struct radeon_device *rdev) 1727 { 1728 struct sumo_power_info *pi = sumo_get_pi(rdev); 1729 1730 pi->boot_pl.sclk = pi->sys_info.bootup_sclk; 1731 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index; 1732 pi->boot_pl.ds_divider_index = 0; 1733 pi->boot_pl.ss_divider_index = 0; 1734 pi->boot_pl.allow_gnb_slow = 1; 1735 pi->acpi_pl = pi->boot_pl; 1736 pi->current_ps.num_levels = 1; 1737 pi->current_ps.levels[0] = pi->boot_pl; 1738 } 1739 1740 int sumo_dpm_init(struct radeon_device *rdev) 1741 { 1742 struct sumo_power_info *pi; 1743 u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT; 1744 int ret; 1745 1746 pi = kzalloc(sizeof(struct sumo_power_info), GFP_KERNEL); 1747 if (pi == NULL) 1748 return -ENOMEM; 1749 rdev->pm.dpm.priv = pi; 1750 1751 pi->driver_nbps_policy_disable = false; 1752 if ((rdev->family == CHIP_PALM) && (hw_rev < 3)) 1753 pi->disable_gfx_power_gating_in_uvd = true; 1754 else 1755 pi->disable_gfx_power_gating_in_uvd = false; 1756 pi->enable_alt_vddnb = true; 1757 pi->enable_sclk_ds = true; 1758 pi->enable_dynamic_m3_arbiter = false; 1759 pi->enable_dynamic_patch_ps = true; 1760 /* Some PALM chips don't seem to properly ungate gfx when UVD is in use; 1761 * for now just disable gfx PG. 1762 */ 1763 if (rdev->family == CHIP_PALM) 1764 pi->enable_gfx_power_gating = false; 1765 else 1766 pi->enable_gfx_power_gating = true; 1767 pi->enable_gfx_clock_gating = true; 1768 pi->enable_mg_clock_gating = true; 1769 pi->enable_auto_thermal_throttling = true; 1770 1771 ret = sumo_parse_sys_info_table(rdev); 1772 if (ret) 1773 return ret; 1774 1775 sumo_construct_boot_and_acpi_state(rdev); 1776 1777 ret = r600_get_platform_caps(rdev); 1778 if (ret) 1779 return ret; 1780 1781 ret = sumo_parse_power_table(rdev); 1782 if (ret) 1783 return ret; 1784 1785 pi->pasi = CYPRESS_HASI_DFLT; 1786 pi->asi = RV770_ASI_DFLT; 1787 pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt; 1788 pi->enable_boost = pi->sys_info.enable_boost; 1789 pi->enable_dpm = true; 1790 1791 return 0; 1792 } 1793 1794 void sumo_dpm_print_power_state(struct radeon_device *rdev, 1795 struct radeon_ps *rps) 1796 { 1797 int i; 1798 struct sumo_ps *ps = sumo_get_ps(rps); 1799 1800 r600_dpm_print_class_info(rps->class, rps->class2); 1801 r600_dpm_print_cap_info(rps->caps); 1802 printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1803 for (i = 0; i < ps->num_levels; i++) { 1804 struct sumo_pl *pl = &ps->levels[i]; 1805 printk("\t\tpower level %d sclk: %u vddc: %u\n", 1806 i, pl->sclk, 1807 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1808 } 1809 r600_dpm_print_ps_status(rdev, rps); 1810 } 1811 1812 void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, 1813 struct seq_file *m) 1814 { 1815 struct sumo_power_info *pi = sumo_get_pi(rdev); 1816 struct radeon_ps *rps = &pi->current_rps; 1817 struct sumo_ps *ps = sumo_get_ps(rps); 1818 struct sumo_pl *pl; 1819 u32 current_index = 1820 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >> 1821 CURR_INDEX_SHIFT; 1822 1823 if (current_index == BOOST_DPM_LEVEL) { 1824 pl = &pi->boost_pl; 1825 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1826 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 1827 current_index, pl->sclk, 1828 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1829 } else if (current_index >= ps->num_levels) { 1830 seq_printf(m, "invalid dpm profile %d\n", current_index); 1831 } else { 1832 pl = &ps->levels[current_index]; 1833 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1834 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 1835 current_index, pl->sclk, 1836 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1837 } 1838 } 1839 1840 u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev) 1841 { 1842 struct sumo_power_info *pi = sumo_get_pi(rdev); 1843 struct radeon_ps *rps = &pi->current_rps; 1844 struct sumo_ps *ps = sumo_get_ps(rps); 1845 struct sumo_pl *pl; 1846 u32 current_index = 1847 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >> 1848 CURR_INDEX_SHIFT; 1849 1850 if (current_index == BOOST_DPM_LEVEL) { 1851 pl = &pi->boost_pl; 1852 return pl->sclk; 1853 } else if (current_index >= ps->num_levels) { 1854 return 0; 1855 } else { 1856 pl = &ps->levels[current_index]; 1857 return pl->sclk; 1858 } 1859 } 1860 1861 u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev) 1862 { 1863 struct sumo_power_info *pi = sumo_get_pi(rdev); 1864 1865 return pi->sys_info.bootup_uma_clk; 1866 } 1867 1868 u16 sumo_dpm_get_current_vddc(struct radeon_device *rdev) 1869 { 1870 struct sumo_power_info *pi = sumo_get_pi(rdev); 1871 struct radeon_ps *rps = &pi->current_rps; 1872 struct sumo_ps *ps = sumo_get_ps(rps); 1873 struct sumo_pl *pl; 1874 u32 current_index = 1875 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >> 1876 CURR_INDEX_SHIFT; 1877 1878 if (current_index == BOOST_DPM_LEVEL) { 1879 pl = &pi->boost_pl; 1880 } else if (current_index >= ps->num_levels) { 1881 return 0; 1882 } else { 1883 pl = &ps->levels[current_index]; 1884 } 1885 return sumo_convert_voltage_index_to_value(rdev, pl->vddc_index); 1886 } 1887 1888 void sumo_dpm_fini(struct radeon_device *rdev) 1889 { 1890 int i; 1891 1892 sumo_cleanup_asic(rdev); /* ??? */ 1893 1894 for (i = 0; i < rdev->pm.dpm.num_ps; i++) { 1895 kfree(rdev->pm.dpm.ps[i].ps_priv); 1896 } 1897 kfree(rdev->pm.dpm.ps); 1898 kfree(rdev->pm.dpm.priv); 1899 } 1900 1901 u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low) 1902 { 1903 struct sumo_power_info *pi = sumo_get_pi(rdev); 1904 struct sumo_ps *requested_state = sumo_get_ps(&pi->requested_rps); 1905 1906 if (low) 1907 return requested_state->levels[0].sclk; 1908 else 1909 return requested_state->levels[requested_state->num_levels - 1].sclk; 1910 } 1911 1912 u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low) 1913 { 1914 struct sumo_power_info *pi = sumo_get_pi(rdev); 1915 1916 return pi->sys_info.bootup_uma_clk; 1917 } 1918 1919 int sumo_dpm_force_performance_level(struct radeon_device *rdev, 1920 enum radeon_dpm_forced_level level) 1921 { 1922 struct sumo_power_info *pi = sumo_get_pi(rdev); 1923 struct radeon_ps *rps = &pi->current_rps; 1924 struct sumo_ps *ps = sumo_get_ps(rps); 1925 int i; 1926 1927 if (ps->num_levels <= 1) 1928 return 0; 1929 1930 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { 1931 if (pi->enable_boost) 1932 sumo_enable_boost(rdev, rps, false); 1933 sumo_power_level_enable(rdev, ps->num_levels - 1, true); 1934 sumo_set_forced_level(rdev, ps->num_levels - 1); 1935 sumo_set_forced_mode_enabled(rdev); 1936 for (i = 0; i < ps->num_levels - 1; i++) { 1937 sumo_power_level_enable(rdev, i, false); 1938 } 1939 sumo_set_forced_mode(rdev, false); 1940 sumo_set_forced_mode_enabled(rdev); 1941 sumo_set_forced_mode(rdev, false); 1942 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { 1943 if (pi->enable_boost) 1944 sumo_enable_boost(rdev, rps, false); 1945 sumo_power_level_enable(rdev, 0, true); 1946 sumo_set_forced_level(rdev, 0); 1947 sumo_set_forced_mode_enabled(rdev); 1948 for (i = 1; i < ps->num_levels; i++) { 1949 sumo_power_level_enable(rdev, i, false); 1950 } 1951 sumo_set_forced_mode(rdev, false); 1952 sumo_set_forced_mode_enabled(rdev); 1953 sumo_set_forced_mode(rdev, false); 1954 } else { 1955 for (i = 0; i < ps->num_levels; i++) { 1956 sumo_power_level_enable(rdev, i, true); 1957 } 1958 if (pi->enable_boost) 1959 sumo_enable_boost(rdev, rps, true); 1960 } 1961 1962 rdev->pm.dpm.forced_level = level; 1963 1964 return 0; 1965 } 1966