1/* $NetBSD: radeon_sumo_dpm.c,v 1.3 2021/12/18 23:45:43 riastradh Exp $ */ 2 3/* 4 * Copyright 2012 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: radeon_sumo_dpm.c,v 1.3 2021/12/18 23:45:43 riastradh Exp $"); 28 29#include "radeon.h" 30#include "radeon_asic.h" 31#include "sumod.h" 32#include "r600_dpm.h" 33#include "cypress_dpm.h" 34#include "sumo_dpm.h" 35#include <linux/seq_file.h> 36 37#define SUMO_MAX_DEEPSLEEP_DIVIDER_ID 5 38#define SUMO_MINIMUM_ENGINE_CLOCK 800 39#define BOOST_DPM_LEVEL 7 40 41static const u32 sumo_utc[SUMO_PM_NUMBER_OF_TC] = 42{ 43 SUMO_UTC_DFLT_00, 44 SUMO_UTC_DFLT_01, 45 SUMO_UTC_DFLT_02, 46 SUMO_UTC_DFLT_03, 47 SUMO_UTC_DFLT_04, 48 SUMO_UTC_DFLT_05, 49 SUMO_UTC_DFLT_06, 50 SUMO_UTC_DFLT_07, 51 SUMO_UTC_DFLT_08, 52 SUMO_UTC_DFLT_09, 53 SUMO_UTC_DFLT_10, 54 SUMO_UTC_DFLT_11, 55 SUMO_UTC_DFLT_12, 56 SUMO_UTC_DFLT_13, 57 SUMO_UTC_DFLT_14, 58}; 59 60static const u32 sumo_dtc[SUMO_PM_NUMBER_OF_TC] = 61{ 62 SUMO_DTC_DFLT_00, 63 SUMO_DTC_DFLT_01, 64 SUMO_DTC_DFLT_02, 65 SUMO_DTC_DFLT_03, 66 SUMO_DTC_DFLT_04, 67 SUMO_DTC_DFLT_05, 68 SUMO_DTC_DFLT_06, 69 SUMO_DTC_DFLT_07, 70 SUMO_DTC_DFLT_08, 71 SUMO_DTC_DFLT_09, 72 SUMO_DTC_DFLT_10, 73 SUMO_DTC_DFLT_11, 74 SUMO_DTC_DFLT_12, 75 SUMO_DTC_DFLT_13, 76 SUMO_DTC_DFLT_14, 77}; 78 79static struct sumo_ps *sumo_get_ps(struct radeon_ps *rps) 80{ 81 struct sumo_ps *ps = rps->ps_priv; 82 83 return ps; 84} 85 86struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev) 87{ 88 struct sumo_power_info *pi = rdev->pm.dpm.priv; 89 90 return pi; 91} 92 93static void sumo_gfx_clockgating_enable(struct radeon_device *rdev, bool enable) 94{ 95 if (enable) 96 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); 97 else { 98 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 99 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 100 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 101 RREG32(GB_ADDR_CONFIG); 102 } 103} 104 105#define CGCG_CGTT_LOCAL0_MASK 0xE5BFFFFF 106#define CGCG_CGTT_LOCAL1_MASK 0xEFFF07FF 107 108static void sumo_mg_clockgating_enable(struct radeon_device *rdev, bool enable) 109{ 110 u32 local0; 111 u32 local1; 112 113 local0 = RREG32(CG_CGTT_LOCAL_0); 114 local1 = RREG32(CG_CGTT_LOCAL_1); 115 116 if (enable) { 117 WREG32(CG_CGTT_LOCAL_0, (0 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) ); 118 WREG32(CG_CGTT_LOCAL_1, (0 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) ); 119 } else { 120 WREG32(CG_CGTT_LOCAL_0, (0xFFFFFFFF & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) ); 121 WREG32(CG_CGTT_LOCAL_1, (0xFFFFCFFF & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) ); 122 } 123} 124 125static void sumo_program_git(struct radeon_device *rdev) 126{ 127 u32 p, u; 128 u32 xclk = radeon_get_xclk(rdev); 129 130 r600_calculate_u_and_p(SUMO_GICST_DFLT, 131 xclk, 16, &p, &u); 132 133 WREG32_P(CG_GIT, CG_GICST(p), ~CG_GICST_MASK); 134} 135 136static void sumo_program_grsd(struct radeon_device *rdev) 137{ 138 u32 p, u; 139 u32 xclk = radeon_get_xclk(rdev); 140 u32 grs = 256 * 25 / 100; 141 142 r600_calculate_u_and_p(1, xclk, 14, &p, &u); 143 144 WREG32(CG_GCOOR, PHC(grs) | SDC(p) | SU(u)); 145} 146 147void sumo_gfx_clockgating_initialize(struct radeon_device *rdev) 148{ 149 sumo_program_git(rdev); 150 sumo_program_grsd(rdev); 151} 152 153static void sumo_gfx_powergating_initialize(struct radeon_device *rdev) 154{ 155 u32 rcu_pwr_gating_cntl; 156 u32 p, u; 157 u32 p_c, p_p, d_p; 158 u32 r_t, i_t; 159 u32 xclk = radeon_get_xclk(rdev); 160 161 if (rdev->family == CHIP_PALM) { 162 p_c = 4; 163 d_p = 10; 164 r_t = 10; 165 i_t = 4; 166 p_p = 50 + 1000/200 + 6 * 32; 167 } else { 168 p_c = 16; 169 d_p = 50; 170 r_t = 50; 171 i_t = 50; 172 p_p = 113; 173 } 174 175 WREG32(CG_SCRATCH2, 0x01B60A17); 176 177 r600_calculate_u_and_p(SUMO_GFXPOWERGATINGT_DFLT, 178 xclk, 16, &p, &u); 179 180 WREG32_P(CG_PWR_GATING_CNTL, PGP(p) | PGU(u), 181 ~(PGP_MASK | PGU_MASK)); 182 183 r600_calculate_u_and_p(SUMO_VOLTAGEDROPT_DFLT, 184 xclk, 16, &p, &u); 185 186 WREG32_P(CG_CG_VOLTAGE_CNTL, PGP(p) | PGU(u), 187 ~(PGP_MASK | PGU_MASK)); 188 189 if (rdev->family == CHIP_PALM) { 190 WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x10103210); 191 WREG32_RCU(RCU_PWR_GATING_SEQ1, 0x10101010); 192 } else { 193 WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x76543210); 194 WREG32_RCU(RCU_PWR_GATING_SEQ1, 0xFEDCBA98); 195 } 196 197 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 198 rcu_pwr_gating_cntl &= 199 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 200 rcu_pwr_gating_cntl |= PCV(p_c) | PGS(1) | PWR_GATING_EN; 201 if (rdev->family == CHIP_PALM) { 202 rcu_pwr_gating_cntl &= ~PCP_MASK; 203 rcu_pwr_gating_cntl |= PCP(0x77); 204 } 205 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 206 207 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 208 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 209 rcu_pwr_gating_cntl |= MPPU(p_p) | MPPD(50); 210 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 211 212 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 213 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 214 rcu_pwr_gating_cntl |= DPPU(d_p) | DPPD(50); 215 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 216 217 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_4); 218 rcu_pwr_gating_cntl &= ~(RT_MASK | IT_MASK); 219 rcu_pwr_gating_cntl |= RT(r_t) | IT(i_t); 220 WREG32_RCU(RCU_PWR_GATING_CNTL_4, rcu_pwr_gating_cntl); 221 222 if (rdev->family == CHIP_PALM) 223 WREG32_RCU(RCU_PWR_GATING_CNTL_5, 0xA02); 224 225 sumo_smu_pg_init(rdev); 226 227 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 228 rcu_pwr_gating_cntl &= 229 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 230 rcu_pwr_gating_cntl |= PCV(p_c) | PGS(4) | PWR_GATING_EN; 231 if (rdev->family == CHIP_PALM) { 232 rcu_pwr_gating_cntl &= ~PCP_MASK; 233 rcu_pwr_gating_cntl |= PCP(0x77); 234 } 235 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 236 237 if (rdev->family == CHIP_PALM) { 238 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 239 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 240 rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50); 241 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 242 243 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 244 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 245 rcu_pwr_gating_cntl |= DPPU(16) | DPPD(50); 246 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 247 } 248 249 sumo_smu_pg_init(rdev); 250 251 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL); 252 rcu_pwr_gating_cntl &= 253 ~(RSVD_MASK | PCV_MASK | PGS_MASK); 254 rcu_pwr_gating_cntl |= PGS(5) | PWR_GATING_EN; 255 256 if (rdev->family == CHIP_PALM) { 257 rcu_pwr_gating_cntl |= PCV(4); 258 rcu_pwr_gating_cntl &= ~PCP_MASK; 259 rcu_pwr_gating_cntl |= PCP(0x77); 260 } else 261 rcu_pwr_gating_cntl |= PCV(11); 262 WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl); 263 264 if (rdev->family == CHIP_PALM) { 265 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2); 266 rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK); 267 rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50); 268 WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl); 269 270 rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3); 271 rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK); 272 rcu_pwr_gating_cntl |= DPPU(22) | DPPD(50); 273 WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl); 274 } 275 276 sumo_smu_pg_init(rdev); 277} 278 279static void sumo_gfx_powergating_enable(struct radeon_device *rdev, bool enable) 280{ 281 if (enable) 282 WREG32_P(CG_PWR_GATING_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN); 283 else { 284 WREG32_P(CG_PWR_GATING_CNTL, 0, ~DYN_PWR_DOWN_EN); 285 RREG32(GB_ADDR_CONFIG); 286 } 287} 288 289static int sumo_enable_clock_power_gating(struct radeon_device *rdev) 290{ 291 struct sumo_power_info *pi = sumo_get_pi(rdev); 292 293 if (pi->enable_gfx_clock_gating) 294 sumo_gfx_clockgating_initialize(rdev); 295 if (pi->enable_gfx_power_gating) 296 sumo_gfx_powergating_initialize(rdev); 297 if (pi->enable_mg_clock_gating) 298 sumo_mg_clockgating_enable(rdev, true); 299 if (pi->enable_gfx_clock_gating) 300 sumo_gfx_clockgating_enable(rdev, true); 301 if (pi->enable_gfx_power_gating) 302 sumo_gfx_powergating_enable(rdev, true); 303 304 return 0; 305} 306 307static void sumo_disable_clock_power_gating(struct radeon_device *rdev) 308{ 309 struct sumo_power_info *pi = sumo_get_pi(rdev); 310 311 if (pi->enable_gfx_clock_gating) 312 sumo_gfx_clockgating_enable(rdev, false); 313 if (pi->enable_gfx_power_gating) 314 sumo_gfx_powergating_enable(rdev, false); 315 if (pi->enable_mg_clock_gating) 316 sumo_mg_clockgating_enable(rdev, false); 317} 318 319static void sumo_calculate_bsp(struct radeon_device *rdev, 320 u32 high_clk) 321{ 322 struct sumo_power_info *pi = sumo_get_pi(rdev); 323 u32 xclk = radeon_get_xclk(rdev); 324 325 pi->pasi = 65535 * 100 / high_clk; 326 pi->asi = 65535 * 100 / high_clk; 327 328 r600_calculate_u_and_p(pi->asi, 329 xclk, 16, &pi->bsp, &pi->bsu); 330 331 r600_calculate_u_and_p(pi->pasi, 332 xclk, 16, &pi->pbsp, &pi->pbsu); 333 334 pi->dsp = BSP(pi->bsp) | BSU(pi->bsu); 335 pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu); 336} 337 338static void sumo_init_bsp(struct radeon_device *rdev) 339{ 340 struct sumo_power_info *pi = sumo_get_pi(rdev); 341 342 WREG32(CG_BSP_0, pi->psp); 343} 344 345 346static void sumo_program_bsp(struct radeon_device *rdev, 347 struct radeon_ps *rps) 348{ 349 struct sumo_power_info *pi = sumo_get_pi(rdev); 350 struct sumo_ps *ps = sumo_get_ps(rps); 351 u32 i; 352 u32 highest_engine_clock = ps->levels[ps->num_levels - 1].sclk; 353 354 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 355 highest_engine_clock = pi->boost_pl.sclk; 356 357 sumo_calculate_bsp(rdev, highest_engine_clock); 358 359 for (i = 0; i < ps->num_levels - 1; i++) 360 WREG32(CG_BSP_0 + (i * 4), pi->dsp); 361 362 WREG32(CG_BSP_0 + (i * 4), pi->psp); 363 364 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 365 WREG32(CG_BSP_0 + (BOOST_DPM_LEVEL * 4), pi->psp); 366} 367 368static void sumo_write_at(struct radeon_device *rdev, 369 u32 index, u32 value) 370{ 371 if (index == 0) 372 WREG32(CG_AT_0, value); 373 else if (index == 1) 374 WREG32(CG_AT_1, value); 375 else if (index == 2) 376 WREG32(CG_AT_2, value); 377 else if (index == 3) 378 WREG32(CG_AT_3, value); 379 else if (index == 4) 380 WREG32(CG_AT_4, value); 381 else if (index == 5) 382 WREG32(CG_AT_5, value); 383 else if (index == 6) 384 WREG32(CG_AT_6, value); 385 else if (index == 7) 386 WREG32(CG_AT_7, value); 387} 388 389static void sumo_program_at(struct radeon_device *rdev, 390 struct radeon_ps *rps) 391{ 392 struct sumo_power_info *pi = sumo_get_pi(rdev); 393 struct sumo_ps *ps = sumo_get_ps(rps); 394 u32 asi; 395 u32 i; 396 u32 m_a; 397 u32 a_t; 398 u32 r[SUMO_MAX_HARDWARE_POWERLEVELS]; 399 u32 l[SUMO_MAX_HARDWARE_POWERLEVELS]; 400 401 r[0] = SUMO_R_DFLT0; 402 r[1] = SUMO_R_DFLT1; 403 r[2] = SUMO_R_DFLT2; 404 r[3] = SUMO_R_DFLT3; 405 r[4] = SUMO_R_DFLT4; 406 407 l[0] = SUMO_L_DFLT0; 408 l[1] = SUMO_L_DFLT1; 409 l[2] = SUMO_L_DFLT2; 410 l[3] = SUMO_L_DFLT3; 411 l[4] = SUMO_L_DFLT4; 412 413 for (i = 0; i < ps->num_levels; i++) { 414 asi = (i == ps->num_levels - 1) ? pi->pasi : pi->asi; 415 416 m_a = asi * ps->levels[i].sclk / 100; 417 418 a_t = CG_R(m_a * r[i] / 100) | CG_L(m_a * l[i] / 100); 419 420 sumo_write_at(rdev, i, a_t); 421 } 422 423 if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) { 424 asi = pi->pasi; 425 426 m_a = asi * pi->boost_pl.sclk / 100; 427 428 a_t = CG_R(m_a * r[ps->num_levels - 1] / 100) | 429 CG_L(m_a * l[ps->num_levels - 1] / 100); 430 431 sumo_write_at(rdev, BOOST_DPM_LEVEL, a_t); 432 } 433} 434 435static void sumo_program_tp(struct radeon_device *rdev) 436{ 437 int i; 438 enum r600_td td = R600_TD_DFLT; 439 440 for (i = 0; i < SUMO_PM_NUMBER_OF_TC; i++) { 441 WREG32_P(CG_FFCT_0 + (i * 4), UTC_0(sumo_utc[i]), ~UTC_0_MASK); 442 WREG32_P(CG_FFCT_0 + (i * 4), DTC_0(sumo_dtc[i]), ~DTC_0_MASK); 443 } 444 445 if (td == R600_TD_AUTO) 446 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL); 447 else 448 WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL); 449 450 if (td == R600_TD_UP) 451 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE); 452 453 if (td == R600_TD_DOWN) 454 WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE); 455} 456 457void sumo_program_vc(struct radeon_device *rdev, u32 vrc) 458{ 459 WREG32(CG_FTV, vrc); 460} 461 462void sumo_clear_vc(struct radeon_device *rdev) 463{ 464 WREG32(CG_FTV, 0); 465} 466 467void sumo_program_sstp(struct radeon_device *rdev) 468{ 469 u32 p, u; 470 u32 xclk = radeon_get_xclk(rdev); 471 472 r600_calculate_u_and_p(SUMO_SST_DFLT, 473 xclk, 16, &p, &u); 474 475 WREG32(CG_SSP, SSTU(u) | SST(p)); 476} 477 478static void sumo_set_divider_value(struct radeon_device *rdev, 479 u32 index, u32 divider) 480{ 481 u32 reg_index = index / 4; 482 u32 field_index = index % 4; 483 484 if (field_index == 0) 485 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 486 SCLK_FSTATE_0_DIV(divider), ~SCLK_FSTATE_0_DIV_MASK); 487 else if (field_index == 1) 488 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 489 SCLK_FSTATE_1_DIV(divider), ~SCLK_FSTATE_1_DIV_MASK); 490 else if (field_index == 2) 491 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 492 SCLK_FSTATE_2_DIV(divider), ~SCLK_FSTATE_2_DIV_MASK); 493 else if (field_index == 3) 494 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 495 SCLK_FSTATE_3_DIV(divider), ~SCLK_FSTATE_3_DIV_MASK); 496} 497 498static void sumo_set_ds_dividers(struct radeon_device *rdev, 499 u32 index, u32 divider) 500{ 501 struct sumo_power_info *pi = sumo_get_pi(rdev); 502 503 if (pi->enable_sclk_ds) { 504 u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_6); 505 506 dpm_ctrl &= ~(0x7 << (index * 3)); 507 dpm_ctrl |= (divider << (index * 3)); 508 WREG32(CG_SCLK_DPM_CTRL_6, dpm_ctrl); 509 } 510} 511 512static void sumo_set_ss_dividers(struct radeon_device *rdev, 513 u32 index, u32 divider) 514{ 515 struct sumo_power_info *pi = sumo_get_pi(rdev); 516 517 if (pi->enable_sclk_ds) { 518 u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_11); 519 520 dpm_ctrl &= ~(0x7 << (index * 3)); 521 dpm_ctrl |= (divider << (index * 3)); 522 WREG32(CG_SCLK_DPM_CTRL_11, dpm_ctrl); 523 } 524} 525 526static void sumo_set_vid(struct radeon_device *rdev, u32 index, u32 vid) 527{ 528 u32 voltage_cntl = RREG32(CG_DPM_VOLTAGE_CNTL); 529 530 voltage_cntl &= ~(DPM_STATE0_LEVEL_MASK << (index * 2)); 531 voltage_cntl |= (vid << (DPM_STATE0_LEVEL_SHIFT + index * 2)); 532 WREG32(CG_DPM_VOLTAGE_CNTL, voltage_cntl); 533} 534 535static void sumo_set_allos_gnb_slow(struct radeon_device *rdev, u32 index, u32 gnb_slow) 536{ 537 struct sumo_power_info *pi = sumo_get_pi(rdev); 538 u32 temp = gnb_slow; 539 u32 cg_sclk_dpm_ctrl_3; 540 541 if (pi->driver_nbps_policy_disable) 542 temp = 1; 543 544 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3); 545 cg_sclk_dpm_ctrl_3 &= ~(GNB_SLOW_FSTATE_0_MASK << index); 546 cg_sclk_dpm_ctrl_3 |= (temp << (GNB_SLOW_FSTATE_0_SHIFT + index)); 547 548 WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3); 549} 550 551static void sumo_program_power_level(struct radeon_device *rdev, 552 struct sumo_pl *pl, u32 index) 553{ 554 struct sumo_power_info *pi = sumo_get_pi(rdev); 555 int ret; 556 struct atom_clock_dividers dividers; 557 u32 ds_en = RREG32(DEEP_SLEEP_CNTL) & ENABLE_DS; 558 559 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 560 pl->sclk, false, ÷rs); 561 if (ret) 562 return; 563 564 sumo_set_divider_value(rdev, index, dividers.post_div); 565 566 sumo_set_vid(rdev, index, pl->vddc_index); 567 568 if (pl->ss_divider_index == 0 || pl->ds_divider_index == 0) { 569 if (ds_en) 570 WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS); 571 } else { 572 sumo_set_ss_dividers(rdev, index, pl->ss_divider_index); 573 sumo_set_ds_dividers(rdev, index, pl->ds_divider_index); 574 575 if (!ds_en) 576 WREG32_P(DEEP_SLEEP_CNTL, ENABLE_DS, ~ENABLE_DS); 577 } 578 579 sumo_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow); 580 581 if (pi->enable_boost) 582 sumo_set_tdp_limit(rdev, index, pl->sclk_dpm_tdp_limit); 583} 584 585static void sumo_power_level_enable(struct radeon_device *rdev, u32 index, bool enable) 586{ 587 u32 reg_index = index / 4; 588 u32 field_index = index % 4; 589 590 if (field_index == 0) 591 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 592 enable ? SCLK_FSTATE_0_VLD : 0, ~SCLK_FSTATE_0_VLD); 593 else if (field_index == 1) 594 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 595 enable ? SCLK_FSTATE_1_VLD : 0, ~SCLK_FSTATE_1_VLD); 596 else if (field_index == 2) 597 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 598 enable ? SCLK_FSTATE_2_VLD : 0, ~SCLK_FSTATE_2_VLD); 599 else if (field_index == 3) 600 WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4), 601 enable ? SCLK_FSTATE_3_VLD : 0, ~SCLK_FSTATE_3_VLD); 602} 603 604static bool sumo_dpm_enabled(struct radeon_device *rdev) 605{ 606 if (RREG32(CG_SCLK_DPM_CTRL_3) & DPM_SCLK_ENABLE) 607 return true; 608 else 609 return false; 610} 611 612static void sumo_start_dpm(struct radeon_device *rdev) 613{ 614 WREG32_P(CG_SCLK_DPM_CTRL_3, DPM_SCLK_ENABLE, ~DPM_SCLK_ENABLE); 615} 616 617static void sumo_stop_dpm(struct radeon_device *rdev) 618{ 619 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE); 620} 621 622static void sumo_set_forced_mode(struct radeon_device *rdev, bool enable) 623{ 624 if (enable) 625 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE_EN, ~FORCE_SCLK_STATE_EN); 626 else 627 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_SCLK_STATE_EN); 628} 629 630static void sumo_set_forced_mode_enabled(struct radeon_device *rdev) 631{ 632 int i; 633 634 sumo_set_forced_mode(rdev, true); 635 for (i = 0; i < rdev->usec_timeout; i++) { 636 if (RREG32(CG_SCLK_STATUS) & SCLK_OVERCLK_DETECT) 637 break; 638 udelay(1); 639 } 640} 641 642static void sumo_wait_for_level_0(struct radeon_device *rdev) 643{ 644 int i; 645 646 for (i = 0; i < rdev->usec_timeout; i++) { 647 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) == 0) 648 break; 649 udelay(1); 650 } 651 for (i = 0; i < rdev->usec_timeout; i++) { 652 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) == 0) 653 break; 654 udelay(1); 655 } 656} 657 658static void sumo_set_forced_mode_disabled(struct radeon_device *rdev) 659{ 660 sumo_set_forced_mode(rdev, false); 661} 662 663static void sumo_enable_power_level_0(struct radeon_device *rdev) 664{ 665 sumo_power_level_enable(rdev, 0, true); 666} 667 668static void sumo_patch_boost_state(struct radeon_device *rdev, 669 struct radeon_ps *rps) 670{ 671 struct sumo_power_info *pi = sumo_get_pi(rdev); 672 struct sumo_ps *new_ps = sumo_get_ps(rps); 673 674 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) { 675 pi->boost_pl = new_ps->levels[new_ps->num_levels - 1]; 676 pi->boost_pl.sclk = pi->sys_info.boost_sclk; 677 pi->boost_pl.vddc_index = pi->sys_info.boost_vid_2bit; 678 pi->boost_pl.sclk_dpm_tdp_limit = pi->sys_info.sclk_dpm_tdp_limit_boost; 679 } 680} 681 682static void sumo_pre_notify_alt_vddnb_change(struct radeon_device *rdev, 683 struct radeon_ps *new_rps, 684 struct radeon_ps *old_rps) 685{ 686 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 687 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 688 u32 nbps1_old = 0; 689 u32 nbps1_new = 0; 690 691 if (old_ps != NULL) 692 nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 693 694 nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0; 695 696 if (nbps1_old == 1 && nbps1_new == 0) 697 sumo_smu_notify_alt_vddnb_change(rdev, 0, 0); 698} 699 700static void sumo_post_notify_alt_vddnb_change(struct radeon_device *rdev, 701 struct radeon_ps *new_rps, 702 struct radeon_ps *old_rps) 703{ 704 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 705 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 706 u32 nbps1_old = 0; 707 u32 nbps1_new = 0; 708 709 if (old_ps != NULL) 710 nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0; 711 712 nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0; 713 714 if (nbps1_old == 0 && nbps1_new == 1) 715 sumo_smu_notify_alt_vddnb_change(rdev, 1, 1); 716} 717 718static void sumo_enable_boost(struct radeon_device *rdev, 719 struct radeon_ps *rps, 720 bool enable) 721{ 722 struct sumo_ps *new_ps = sumo_get_ps(rps); 723 724 if (enable) { 725 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 726 sumo_boost_state_enable(rdev, true); 727 } else 728 sumo_boost_state_enable(rdev, false); 729} 730 731static void sumo_set_forced_level(struct radeon_device *rdev, u32 index) 732{ 733 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE(index), ~FORCE_SCLK_STATE_MASK); 734} 735 736static void sumo_set_forced_level_0(struct radeon_device *rdev) 737{ 738 sumo_set_forced_level(rdev, 0); 739} 740 741static void sumo_program_wl(struct radeon_device *rdev, 742 struct radeon_ps *rps) 743{ 744 struct sumo_ps *new_ps = sumo_get_ps(rps); 745 u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4); 746 747 dpm_ctrl4 &= 0xFFFFFF00; 748 dpm_ctrl4 |= (1 << (new_ps->num_levels - 1)); 749 750 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 751 dpm_ctrl4 |= (1 << BOOST_DPM_LEVEL); 752 753 WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4); 754} 755 756static void sumo_program_power_levels_0_to_n(struct radeon_device *rdev, 757 struct radeon_ps *new_rps, 758 struct radeon_ps *old_rps) 759{ 760 struct sumo_power_info *pi = sumo_get_pi(rdev); 761 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 762 struct sumo_ps *old_ps = sumo_get_ps(old_rps); 763 u32 i; 764 u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels; 765 766 for (i = 0; i < new_ps->num_levels; i++) { 767 sumo_program_power_level(rdev, &new_ps->levels[i], i); 768 sumo_power_level_enable(rdev, i, true); 769 } 770 771 for (i = new_ps->num_levels; i < n_current_state_levels; i++) 772 sumo_power_level_enable(rdev, i, false); 773 774 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) 775 sumo_program_power_level(rdev, &pi->boost_pl, BOOST_DPM_LEVEL); 776} 777 778static void sumo_enable_acpi_pm(struct radeon_device *rdev) 779{ 780 WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN); 781} 782 783static void sumo_program_power_level_enter_state(struct radeon_device *rdev) 784{ 785 WREG32_P(CG_SCLK_DPM_CTRL_5, SCLK_FSTATE_BOOTUP(0), ~SCLK_FSTATE_BOOTUP_MASK); 786} 787 788static void sumo_program_acpi_power_level(struct radeon_device *rdev) 789{ 790 struct sumo_power_info *pi = sumo_get_pi(rdev); 791 struct atom_clock_dividers dividers; 792 int ret; 793 794 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 795 pi->acpi_pl.sclk, 796 false, ÷rs); 797 if (ret) 798 return; 799 800 WREG32_P(CG_ACPI_CNTL, SCLK_ACPI_DIV(dividers.post_div), ~SCLK_ACPI_DIV_MASK); 801 WREG32_P(CG_ACPI_VOLTAGE_CNTL, 0, ~ACPI_VOLTAGE_EN); 802} 803 804static void sumo_program_bootup_state(struct radeon_device *rdev) 805{ 806 struct sumo_power_info *pi = sumo_get_pi(rdev); 807 u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4); 808 u32 i; 809 810 sumo_program_power_level(rdev, &pi->boot_pl, 0); 811 812 dpm_ctrl4 &= 0xFFFFFF00; 813 WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4); 814 815 for (i = 1; i < 8; i++) 816 sumo_power_level_enable(rdev, i, false); 817} 818 819static void sumo_setup_uvd_clocks(struct radeon_device *rdev, 820 struct radeon_ps *new_rps, 821 struct radeon_ps *old_rps) 822{ 823 struct sumo_power_info *pi = sumo_get_pi(rdev); 824 825 if (pi->enable_gfx_power_gating) { 826 sumo_gfx_powergating_enable(rdev, false); 827 } 828 829 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 830 831 if (pi->enable_gfx_power_gating) { 832 if (!pi->disable_gfx_power_gating_in_uvd || 833 !r600_is_uvd_state(new_rps->class, new_rps->class2)) 834 sumo_gfx_powergating_enable(rdev, true); 835 } 836} 837 838static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev, 839 struct radeon_ps *new_rps, 840 struct radeon_ps *old_rps) 841{ 842 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 843 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 844 845 if ((new_rps->vclk == old_rps->vclk) && 846 (new_rps->dclk == old_rps->dclk)) 847 return; 848 849 if (new_ps->levels[new_ps->num_levels - 1].sclk >= 850 current_ps->levels[current_ps->num_levels - 1].sclk) 851 return; 852 853 sumo_setup_uvd_clocks(rdev, new_rps, old_rps); 854} 855 856static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, 857 struct radeon_ps *new_rps, 858 struct radeon_ps *old_rps) 859{ 860 struct sumo_ps *new_ps = sumo_get_ps(new_rps); 861 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 862 863 if ((new_rps->vclk == old_rps->vclk) && 864 (new_rps->dclk == old_rps->dclk)) 865 return; 866 867 if (new_ps->levels[new_ps->num_levels - 1].sclk < 868 current_ps->levels[current_ps->num_levels - 1].sclk) 869 return; 870 871 sumo_setup_uvd_clocks(rdev, new_rps, old_rps); 872} 873 874void sumo_take_smu_control(struct radeon_device *rdev, bool enable) 875{ 876/* This bit selects who handles display phy powergating. 877 * Clear the bit to let atom handle it. 878 * Set it to let the driver handle it. 879 * For now we just let atom handle it. 880 */ 881#if 0 882 u32 v = RREG32(DOUT_SCRATCH3); 883 884 if (enable) 885 v |= 0x4; 886 else 887 v &= 0xFFFFFFFB; 888 889 WREG32(DOUT_SCRATCH3, v); 890#endif 891} 892 893static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable) 894{ 895 if (enable) { 896 u32 deep_sleep_cntl = RREG32(DEEP_SLEEP_CNTL); 897 u32 deep_sleep_cntl2 = RREG32(DEEP_SLEEP_CNTL2); 898 u32 t = 1; 899 900 deep_sleep_cntl &= ~R_DIS; 901 deep_sleep_cntl &= ~HS_MASK; 902 deep_sleep_cntl |= HS(t > 4095 ? 4095 : t); 903 904 deep_sleep_cntl2 |= LB_UFP_EN; 905 deep_sleep_cntl2 &= INOUT_C_MASK; 906 deep_sleep_cntl2 |= INOUT_C(0xf); 907 908 WREG32(DEEP_SLEEP_CNTL2, deep_sleep_cntl2); 909 WREG32(DEEP_SLEEP_CNTL, deep_sleep_cntl); 910 } else 911 WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS); 912} 913 914static void sumo_program_bootup_at(struct radeon_device *rdev) 915{ 916 WREG32_P(CG_AT_0, CG_R(0xffff), ~CG_R_MASK); 917 WREG32_P(CG_AT_0, CG_L(0), ~CG_L_MASK); 918} 919 920static void sumo_reset_am(struct radeon_device *rdev) 921{ 922 WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET); 923} 924 925static void sumo_start_am(struct radeon_device *rdev) 926{ 927 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET); 928} 929 930static void sumo_program_ttp(struct radeon_device *rdev) 931{ 932 u32 xclk = radeon_get_xclk(rdev); 933 u32 p, u; 934 u32 cg_sclk_dpm_ctrl_5 = RREG32(CG_SCLK_DPM_CTRL_5); 935 936 r600_calculate_u_and_p(1000, 937 xclk, 16, &p, &u); 938 939 cg_sclk_dpm_ctrl_5 &= ~(TT_TP_MASK | TT_TU_MASK); 940 cg_sclk_dpm_ctrl_5 |= TT_TP(p) | TT_TU(u); 941 942 WREG32(CG_SCLK_DPM_CTRL_5, cg_sclk_dpm_ctrl_5); 943} 944 945static void sumo_program_ttt(struct radeon_device *rdev) 946{ 947 u32 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3); 948 struct sumo_power_info *pi = sumo_get_pi(rdev); 949 950 cg_sclk_dpm_ctrl_3 &= ~(GNB_TT_MASK | GNB_THERMTHRO_MASK); 951 cg_sclk_dpm_ctrl_3 |= GNB_TT(pi->thermal_auto_throttling + 49); 952 953 WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3); 954} 955 956 957static void sumo_enable_voltage_scaling(struct radeon_device *rdev, bool enable) 958{ 959 if (enable) { 960 WREG32_P(CG_DPM_VOLTAGE_CNTL, DPM_VOLTAGE_EN, ~DPM_VOLTAGE_EN); 961 WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~CG_VOLTAGE_EN); 962 } else { 963 WREG32_P(CG_CG_VOLTAGE_CNTL, CG_VOLTAGE_EN, ~CG_VOLTAGE_EN); 964 WREG32_P(CG_DPM_VOLTAGE_CNTL, 0, ~DPM_VOLTAGE_EN); 965 } 966} 967 968static void sumo_override_cnb_thermal_events(struct radeon_device *rdev) 969{ 970 WREG32_P(CG_SCLK_DPM_CTRL_3, CNB_THERMTHRO_MASK_SCLK, 971 ~CNB_THERMTHRO_MASK_SCLK); 972} 973 974static void sumo_program_dc_hto(struct radeon_device *rdev) 975{ 976 u32 cg_sclk_dpm_ctrl_4 = RREG32(CG_SCLK_DPM_CTRL_4); 977 u32 p, u; 978 u32 xclk = radeon_get_xclk(rdev); 979 980 r600_calculate_u_and_p(100000, 981 xclk, 14, &p, &u); 982 983 cg_sclk_dpm_ctrl_4 &= ~(DC_HDC_MASK | DC_HU_MASK); 984 cg_sclk_dpm_ctrl_4 |= DC_HDC(p) | DC_HU(u); 985 986 WREG32(CG_SCLK_DPM_CTRL_4, cg_sclk_dpm_ctrl_4); 987} 988 989static void sumo_force_nbp_state(struct radeon_device *rdev, 990 struct radeon_ps *rps) 991{ 992 struct sumo_power_info *pi = sumo_get_pi(rdev); 993 struct sumo_ps *new_ps = sumo_get_ps(rps); 994 995 if (!pi->driver_nbps_policy_disable) { 996 if (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) 997 WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_NB_PSTATE_1, ~FORCE_NB_PSTATE_1); 998 else 999 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_NB_PSTATE_1); 1000 } 1001} 1002 1003u32 sumo_get_sleep_divider_from_id(u32 id) 1004{ 1005 return 1 << id; 1006} 1007 1008u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev, 1009 u32 sclk, 1010 u32 min_sclk_in_sr) 1011{ 1012 struct sumo_power_info *pi = sumo_get_pi(rdev); 1013 u32 i; 1014 u32 temp; 1015 u32 min = (min_sclk_in_sr > SUMO_MINIMUM_ENGINE_CLOCK) ? 1016 min_sclk_in_sr : SUMO_MINIMUM_ENGINE_CLOCK; 1017 1018 if (sclk < min) 1019 return 0; 1020 1021 if (!pi->enable_sclk_ds) 1022 return 0; 1023 1024 for (i = SUMO_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) { 1025 temp = sclk / sumo_get_sleep_divider_from_id(i); 1026 1027 if (temp >= min || i == 0) 1028 break; 1029 } 1030 return i; 1031} 1032 1033static u32 sumo_get_valid_engine_clock(struct radeon_device *rdev, 1034 u32 lower_limit) 1035{ 1036 struct sumo_power_info *pi = sumo_get_pi(rdev); 1037 u32 i; 1038 1039 for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) { 1040 if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit) 1041 return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency; 1042 } 1043 1044 return pi->sys_info.sclk_voltage_mapping_table.entries[pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1].sclk_frequency; 1045} 1046 1047static void sumo_patch_thermal_state(struct radeon_device *rdev, 1048 struct sumo_ps *ps, 1049 struct sumo_ps *current_ps) 1050{ 1051 struct sumo_power_info *pi = sumo_get_pi(rdev); 1052 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1053 u32 current_vddc; 1054 u32 current_sclk; 1055 u32 current_index = 0; 1056 1057 if (current_ps) { 1058 current_vddc = current_ps->levels[current_index].vddc_index; 1059 current_sclk = current_ps->levels[current_index].sclk; 1060 } else { 1061 current_vddc = pi->boot_pl.vddc_index; 1062 current_sclk = pi->boot_pl.sclk; 1063 } 1064 1065 ps->levels[0].vddc_index = current_vddc; 1066 1067 if (ps->levels[0].sclk > current_sclk) 1068 ps->levels[0].sclk = current_sclk; 1069 1070 ps->levels[0].ss_divider_index = 1071 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr); 1072 1073 ps->levels[0].ds_divider_index = 1074 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, SUMO_MINIMUM_ENGINE_CLOCK); 1075 1076 if (ps->levels[0].ds_divider_index > ps->levels[0].ss_divider_index + 1) 1077 ps->levels[0].ds_divider_index = ps->levels[0].ss_divider_index + 1; 1078 1079 if (ps->levels[0].ss_divider_index == ps->levels[0].ds_divider_index) { 1080 if (ps->levels[0].ss_divider_index > 1) 1081 ps->levels[0].ss_divider_index = ps->levels[0].ss_divider_index - 1; 1082 } 1083 1084 if (ps->levels[0].ss_divider_index == 0) 1085 ps->levels[0].ds_divider_index = 0; 1086 1087 if (ps->levels[0].ds_divider_index == 0) 1088 ps->levels[0].ss_divider_index = 0; 1089} 1090 1091static void sumo_apply_state_adjust_rules(struct radeon_device *rdev, 1092 struct radeon_ps *new_rps, 1093 struct radeon_ps *old_rps) 1094{ 1095 struct sumo_ps *ps = sumo_get_ps(new_rps); 1096 struct sumo_ps *current_ps = sumo_get_ps(old_rps); 1097 struct sumo_power_info *pi = sumo_get_pi(rdev); 1098 u32 min_voltage = 0; /* ??? */ 1099 u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */ 1100 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1101 u32 i; 1102 1103 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) 1104 return sumo_patch_thermal_state(rdev, ps, current_ps); 1105 1106 if (pi->enable_boost) { 1107 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) 1108 ps->flags |= SUMO_POWERSTATE_FLAGS_BOOST_STATE; 1109 } 1110 1111 if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) || 1112 (new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) || 1113 (new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)) 1114 ps->flags |= SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE; 1115 1116 for (i = 0; i < ps->num_levels; i++) { 1117 if (ps->levels[i].vddc_index < min_voltage) 1118 ps->levels[i].vddc_index = min_voltage; 1119 1120 if (ps->levels[i].sclk < min_sclk) 1121 ps->levels[i].sclk = 1122 sumo_get_valid_engine_clock(rdev, min_sclk); 1123 1124 ps->levels[i].ss_divider_index = 1125 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr); 1126 1127 ps->levels[i].ds_divider_index = 1128 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, SUMO_MINIMUM_ENGINE_CLOCK); 1129 1130 if (ps->levels[i].ds_divider_index > ps->levels[i].ss_divider_index + 1) 1131 ps->levels[i].ds_divider_index = ps->levels[i].ss_divider_index + 1; 1132 1133 if (ps->levels[i].ss_divider_index == ps->levels[i].ds_divider_index) { 1134 if (ps->levels[i].ss_divider_index > 1) 1135 ps->levels[i].ss_divider_index = ps->levels[i].ss_divider_index - 1; 1136 } 1137 1138 if (ps->levels[i].ss_divider_index == 0) 1139 ps->levels[i].ds_divider_index = 0; 1140 1141 if (ps->levels[i].ds_divider_index == 0) 1142 ps->levels[i].ss_divider_index = 0; 1143 1144 if (ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) 1145 ps->levels[i].allow_gnb_slow = 1; 1146 else if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) || 1147 (new_rps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)) 1148 ps->levels[i].allow_gnb_slow = 0; 1149 else if (i == ps->num_levels - 1) 1150 ps->levels[i].allow_gnb_slow = 0; 1151 else 1152 ps->levels[i].allow_gnb_slow = 1; 1153 } 1154} 1155 1156static void sumo_cleanup_asic(struct radeon_device *rdev) 1157{ 1158 sumo_take_smu_control(rdev, false); 1159} 1160 1161static int sumo_set_thermal_temperature_range(struct radeon_device *rdev, 1162 int min_temp, int max_temp) 1163{ 1164 int low_temp = 0 * 1000; 1165 int high_temp = 255 * 1000; 1166 1167 if (low_temp < min_temp) 1168 low_temp = min_temp; 1169 if (high_temp > max_temp) 1170 high_temp = max_temp; 1171 if (high_temp < low_temp) { 1172 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); 1173 return -EINVAL; 1174 } 1175 1176 WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK); 1177 WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK); 1178 1179 rdev->pm.dpm.thermal.min_temp = low_temp; 1180 rdev->pm.dpm.thermal.max_temp = high_temp; 1181 1182 return 0; 1183} 1184 1185static void sumo_update_current_ps(struct radeon_device *rdev, 1186 struct radeon_ps *rps) 1187{ 1188 struct sumo_ps *new_ps = sumo_get_ps(rps); 1189 struct sumo_power_info *pi = sumo_get_pi(rdev); 1190 1191 pi->current_rps = *rps; 1192 pi->current_ps = *new_ps; 1193 pi->current_rps.ps_priv = &pi->current_ps; 1194} 1195 1196static void sumo_update_requested_ps(struct radeon_device *rdev, 1197 struct radeon_ps *rps) 1198{ 1199 struct sumo_ps *new_ps = sumo_get_ps(rps); 1200 struct sumo_power_info *pi = sumo_get_pi(rdev); 1201 1202 pi->requested_rps = *rps; 1203 pi->requested_ps = *new_ps; 1204 pi->requested_rps.ps_priv = &pi->requested_ps; 1205} 1206 1207int sumo_dpm_enable(struct radeon_device *rdev) 1208{ 1209 struct sumo_power_info *pi = sumo_get_pi(rdev); 1210 1211 if (sumo_dpm_enabled(rdev)) 1212 return -EINVAL; 1213 1214 sumo_program_bootup_state(rdev); 1215 sumo_init_bsp(rdev); 1216 sumo_reset_am(rdev); 1217 sumo_program_tp(rdev); 1218 sumo_program_bootup_at(rdev); 1219 sumo_start_am(rdev); 1220 if (pi->enable_auto_thermal_throttling) { 1221 sumo_program_ttp(rdev); 1222 sumo_program_ttt(rdev); 1223 } 1224 sumo_program_dc_hto(rdev); 1225 sumo_program_power_level_enter_state(rdev); 1226 sumo_enable_voltage_scaling(rdev, true); 1227 sumo_program_sstp(rdev); 1228 sumo_program_vc(rdev, SUMO_VRC_DFLT); 1229 sumo_override_cnb_thermal_events(rdev); 1230 sumo_start_dpm(rdev); 1231 sumo_wait_for_level_0(rdev); 1232 if (pi->enable_sclk_ds) 1233 sumo_enable_sclk_ds(rdev, true); 1234 if (pi->enable_boost) 1235 sumo_enable_boost_timer(rdev); 1236 1237 sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1238 1239 return 0; 1240} 1241 1242int sumo_dpm_late_enable(struct radeon_device *rdev) 1243{ 1244 int ret; 1245 1246 ret = sumo_enable_clock_power_gating(rdev); 1247 if (ret) 1248 return ret; 1249 1250 if (rdev->irq.installed && 1251 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1252 ret = sumo_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); 1253 if (ret) 1254 return ret; 1255 rdev->irq.dpm_thermal = true; 1256 radeon_irq_set(rdev); 1257 } 1258 1259 return 0; 1260} 1261 1262void sumo_dpm_disable(struct radeon_device *rdev) 1263{ 1264 struct sumo_power_info *pi = sumo_get_pi(rdev); 1265 1266 if (!sumo_dpm_enabled(rdev)) 1267 return; 1268 sumo_disable_clock_power_gating(rdev); 1269 if (pi->enable_sclk_ds) 1270 sumo_enable_sclk_ds(rdev, false); 1271 sumo_clear_vc(rdev); 1272 sumo_wait_for_level_0(rdev); 1273 sumo_stop_dpm(rdev); 1274 sumo_enable_voltage_scaling(rdev, false); 1275 1276 if (rdev->irq.installed && 1277 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1278 rdev->irq.dpm_thermal = false; 1279 radeon_irq_set(rdev); 1280 } 1281 1282 sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1283} 1284 1285int sumo_dpm_pre_set_power_state(struct radeon_device *rdev) 1286{ 1287 struct sumo_power_info *pi = sumo_get_pi(rdev); 1288 struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps; 1289 struct radeon_ps *new_ps = &requested_ps; 1290 1291 sumo_update_requested_ps(rdev, new_ps); 1292 1293 if (pi->enable_dynamic_patch_ps) 1294 sumo_apply_state_adjust_rules(rdev, 1295 &pi->requested_rps, 1296 &pi->current_rps); 1297 1298 return 0; 1299} 1300 1301int sumo_dpm_set_power_state(struct radeon_device *rdev) 1302{ 1303 struct sumo_power_info *pi = sumo_get_pi(rdev); 1304 struct radeon_ps *new_ps = &pi->requested_rps; 1305 struct radeon_ps *old_ps = &pi->current_rps; 1306 1307 if (pi->enable_dpm) 1308 sumo_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); 1309 if (pi->enable_boost) { 1310 sumo_enable_boost(rdev, new_ps, false); 1311 sumo_patch_boost_state(rdev, new_ps); 1312 } 1313 if (pi->enable_dpm) { 1314 sumo_pre_notify_alt_vddnb_change(rdev, new_ps, old_ps); 1315 sumo_enable_power_level_0(rdev); 1316 sumo_set_forced_level_0(rdev); 1317 sumo_set_forced_mode_enabled(rdev); 1318 sumo_wait_for_level_0(rdev); 1319 sumo_program_power_levels_0_to_n(rdev, new_ps, old_ps); 1320 sumo_program_wl(rdev, new_ps); 1321 sumo_program_bsp(rdev, new_ps); 1322 sumo_program_at(rdev, new_ps); 1323 sumo_force_nbp_state(rdev, new_ps); 1324 sumo_set_forced_mode_disabled(rdev); 1325 sumo_set_forced_mode_enabled(rdev); 1326 sumo_set_forced_mode_disabled(rdev); 1327 sumo_post_notify_alt_vddnb_change(rdev, new_ps, old_ps); 1328 } 1329 if (pi->enable_boost) 1330 sumo_enable_boost(rdev, new_ps, true); 1331 if (pi->enable_dpm) 1332 sumo_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); 1333 1334 return 0; 1335} 1336 1337void sumo_dpm_post_set_power_state(struct radeon_device *rdev) 1338{ 1339 struct sumo_power_info *pi = sumo_get_pi(rdev); 1340 struct radeon_ps *new_ps = &pi->requested_rps; 1341 1342 sumo_update_current_ps(rdev, new_ps); 1343} 1344 1345#if 0 1346void sumo_dpm_reset_asic(struct radeon_device *rdev) 1347{ 1348 sumo_program_bootup_state(rdev); 1349 sumo_enable_power_level_0(rdev); 1350 sumo_set_forced_level_0(rdev); 1351 sumo_set_forced_mode_enabled(rdev); 1352 sumo_wait_for_level_0(rdev); 1353 sumo_set_forced_mode_disabled(rdev); 1354 sumo_set_forced_mode_enabled(rdev); 1355 sumo_set_forced_mode_disabled(rdev); 1356} 1357#endif 1358 1359void sumo_dpm_setup_asic(struct radeon_device *rdev) 1360{ 1361 struct sumo_power_info *pi = sumo_get_pi(rdev); 1362 1363 sumo_initialize_m3_arb(rdev); 1364 pi->fw_version = sumo_get_running_fw_version(rdev); 1365 DRM_INFO("Found smc ucode version: 0x%08x\n", pi->fw_version); 1366 sumo_program_acpi_power_level(rdev); 1367 sumo_enable_acpi_pm(rdev); 1368 sumo_take_smu_control(rdev, true); 1369} 1370 1371void sumo_dpm_display_configuration_changed(struct radeon_device *rdev) 1372{ 1373 1374} 1375 1376union power_info { 1377 struct _ATOM_POWERPLAY_INFO info; 1378 struct _ATOM_POWERPLAY_INFO_V2 info_2; 1379 struct _ATOM_POWERPLAY_INFO_V3 info_3; 1380 struct _ATOM_PPLIB_POWERPLAYTABLE pplib; 1381 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; 1382 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; 1383}; 1384 1385union pplib_clock_info { 1386 struct _ATOM_PPLIB_R600_CLOCK_INFO r600; 1387 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; 1388 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; 1389 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; 1390}; 1391 1392union pplib_power_state { 1393 struct _ATOM_PPLIB_STATE v1; 1394 struct _ATOM_PPLIB_STATE_V2 v2; 1395}; 1396 1397static void sumo_patch_boot_state(struct radeon_device *rdev, 1398 struct sumo_ps *ps) 1399{ 1400 struct sumo_power_info *pi = sumo_get_pi(rdev); 1401 1402 ps->num_levels = 1; 1403 ps->flags = 0; 1404 ps->levels[0] = pi->boot_pl; 1405} 1406 1407static void sumo_parse_pplib_non_clock_info(struct radeon_device *rdev, 1408 struct radeon_ps *rps, 1409 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, 1410 u8 table_rev) 1411{ 1412 struct sumo_ps *ps = sumo_get_ps(rps); 1413 1414 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); 1415 rps->class = le16_to_cpu(non_clock_info->usClassification); 1416 rps->class2 = le16_to_cpu(non_clock_info->usClassification2); 1417 1418 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { 1419 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); 1420 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); 1421 } else { 1422 rps->vclk = 0; 1423 rps->dclk = 0; 1424 } 1425 1426 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { 1427 rdev->pm.dpm.boot_ps = rps; 1428 sumo_patch_boot_state(rdev, ps); 1429 } 1430 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) 1431 rdev->pm.dpm.uvd_ps = rps; 1432} 1433 1434static void sumo_parse_pplib_clock_info(struct radeon_device *rdev, 1435 struct radeon_ps *rps, int index, 1436 union pplib_clock_info *clock_info) 1437{ 1438 struct sumo_power_info *pi = sumo_get_pi(rdev); 1439 struct sumo_ps *ps = sumo_get_ps(rps); 1440 struct sumo_pl *pl = &ps->levels[index]; 1441 u32 sclk; 1442 1443 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1444 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1445 pl->sclk = sclk; 1446 pl->vddc_index = clock_info->sumo.vddcIndex; 1447 pl->sclk_dpm_tdp_limit = clock_info->sumo.tdpLimit; 1448 1449 ps->num_levels = index + 1; 1450 1451 if (pi->enable_sclk_ds) { 1452 pl->ds_divider_index = 5; 1453 pl->ss_divider_index = 4; 1454 } 1455} 1456 1457static int sumo_parse_power_table(struct radeon_device *rdev) 1458{ 1459 struct radeon_mode_info *mode_info = &rdev->mode_info; 1460 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; 1461 union pplib_power_state *power_state; 1462 int i, j, k, non_clock_array_index, clock_array_index; 1463 union pplib_clock_info *clock_info; 1464 struct _StateArray *state_array; 1465 struct _ClockInfoArray *clock_info_array; 1466 struct _NonClockInfoArray *non_clock_info_array; 1467 union power_info *power_info; 1468 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); 1469 u16 data_offset; 1470 u8 frev, crev; 1471 u8 *power_state_offset; 1472 struct sumo_ps *ps; 1473 1474 if (!atom_parse_data_header(mode_info->atom_context, index, NULL, 1475 &frev, &crev, &data_offset)) 1476 return -EINVAL; 1477 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); 1478 1479 state_array = (struct _StateArray *) 1480 (mode_info->atom_context->bios + data_offset + 1481 le16_to_cpu(power_info->pplib.usStateArrayOffset)); 1482 clock_info_array = (struct _ClockInfoArray *) 1483 (mode_info->atom_context->bios + data_offset + 1484 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); 1485 non_clock_info_array = (struct _NonClockInfoArray *) 1486 (mode_info->atom_context->bios + data_offset + 1487 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); 1488 1489 rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries, 1490 sizeof(struct radeon_ps), 1491 GFP_KERNEL); 1492 if (!rdev->pm.dpm.ps) 1493 return -ENOMEM; 1494 power_state_offset = (u8 *)state_array->states; 1495 for (i = 0; i < state_array->ucNumEntries; i++) { 1496 u8 *idx; 1497 power_state = (union pplib_power_state *)power_state_offset; 1498 non_clock_array_index = power_state->v2.nonClockInfoIndex; 1499 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) 1500 &non_clock_info_array->nonClockInfo[non_clock_array_index]; 1501 if (!rdev->pm.power_state[i].clock_info) 1502 return -EINVAL; 1503 ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); 1504 if (ps == NULL) { 1505 kfree(rdev->pm.dpm.ps); 1506 return -ENOMEM; 1507 } 1508 rdev->pm.dpm.ps[i].ps_priv = ps; 1509 k = 0; 1510 idx = (u8 *)&power_state->v2.clockInfoIndex[0]; 1511 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { 1512 clock_array_index = idx[j]; 1513 if (k >= SUMO_MAX_HARDWARE_POWERLEVELS) 1514 break; 1515 1516 clock_info = (union pplib_clock_info *) 1517 ((u8 *)&clock_info_array->clockInfo[0] + 1518 (clock_array_index * clock_info_array->ucEntrySize)); 1519 sumo_parse_pplib_clock_info(rdev, 1520 &rdev->pm.dpm.ps[i], k, 1521 clock_info); 1522 k++; 1523 } 1524 sumo_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], 1525 non_clock_info, 1526 non_clock_info_array->ucEntrySize); 1527 power_state_offset += 2 + power_state->v2.ucNumDPMLevels; 1528 } 1529 rdev->pm.dpm.num_ps = state_array->ucNumEntries; 1530 return 0; 1531} 1532 1533u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev, 1534 struct sumo_vid_mapping_table *vid_mapping_table, 1535 u32 vid_2bit) 1536{ 1537 u32 i; 1538 1539 for (i = 0; i < vid_mapping_table->num_entries; i++) { 1540 if (vid_mapping_table->entries[i].vid_2bit == vid_2bit) 1541 return vid_mapping_table->entries[i].vid_7bit; 1542 } 1543 1544 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit; 1545} 1546 1547#if 0 1548u32 sumo_convert_vid7_to_vid2(struct radeon_device *rdev, 1549 struct sumo_vid_mapping_table *vid_mapping_table, 1550 u32 vid_7bit) 1551{ 1552 u32 i; 1553 1554 for (i = 0; i < vid_mapping_table->num_entries; i++) { 1555 if (vid_mapping_table->entries[i].vid_7bit == vid_7bit) 1556 return vid_mapping_table->entries[i].vid_2bit; 1557 } 1558 1559 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit; 1560} 1561#endif 1562 1563static u16 sumo_convert_voltage_index_to_value(struct radeon_device *rdev, 1564 u32 vid_2bit) 1565{ 1566 struct sumo_power_info *pi = sumo_get_pi(rdev); 1567 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit); 1568 1569 if (vid_7bit > 0x7C) 1570 return 0; 1571 1572 return (15500 - vid_7bit * 125 + 5) / 10; 1573} 1574 1575static void sumo_construct_display_voltage_mapping_table(struct radeon_device *rdev, 1576 struct sumo_disp_clock_voltage_mapping_table *disp_clk_voltage_mapping_table, 1577 ATOM_CLK_VOLT_CAPABILITY *table) 1578{ 1579 u32 i; 1580 1581 for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) { 1582 if (table[i].ulMaximumSupportedCLK == 0) 1583 break; 1584 1585 disp_clk_voltage_mapping_table->display_clock_frequency[i] = 1586 table[i].ulMaximumSupportedCLK; 1587 } 1588 1589 disp_clk_voltage_mapping_table->num_max_voltage_levels = i; 1590 1591 if (disp_clk_voltage_mapping_table->num_max_voltage_levels == 0) { 1592 disp_clk_voltage_mapping_table->display_clock_frequency[0] = 80000; 1593 disp_clk_voltage_mapping_table->num_max_voltage_levels = 1; 1594 } 1595} 1596 1597void sumo_construct_sclk_voltage_mapping_table(struct radeon_device *rdev, 1598 struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table, 1599 ATOM_AVAILABLE_SCLK_LIST *table) 1600{ 1601 u32 i; 1602 u32 n = 0; 1603 u32 prev_sclk = 0; 1604 1605 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 1606 if (table[i].ulSupportedSCLK > prev_sclk) { 1607 sclk_voltage_mapping_table->entries[n].sclk_frequency = 1608 table[i].ulSupportedSCLK; 1609 sclk_voltage_mapping_table->entries[n].vid_2bit = 1610 table[i].usVoltageIndex; 1611 prev_sclk = table[i].ulSupportedSCLK; 1612 n++; 1613 } 1614 } 1615 1616 sclk_voltage_mapping_table->num_max_dpm_entries = n; 1617} 1618 1619void sumo_construct_vid_mapping_table(struct radeon_device *rdev, 1620 struct sumo_vid_mapping_table *vid_mapping_table, 1621 ATOM_AVAILABLE_SCLK_LIST *table) 1622{ 1623 u32 i, j; 1624 1625 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 1626 if (table[i].ulSupportedSCLK != 0) { 1627 vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = 1628 table[i].usVoltageID; 1629 vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = 1630 table[i].usVoltageIndex; 1631 } 1632 } 1633 1634 for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) { 1635 if (vid_mapping_table->entries[i].vid_7bit == 0) { 1636 for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) { 1637 if (vid_mapping_table->entries[j].vid_7bit != 0) { 1638 vid_mapping_table->entries[i] = 1639 vid_mapping_table->entries[j]; 1640 vid_mapping_table->entries[j].vid_7bit = 0; 1641 break; 1642 } 1643 } 1644 1645 if (j == SUMO_MAX_NUMBER_VOLTAGES) 1646 break; 1647 } 1648 } 1649 1650 vid_mapping_table->num_entries = i; 1651} 1652 1653union igp_info { 1654 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 1655 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 1656 struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5; 1657 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 1658}; 1659 1660static int sumo_parse_sys_info_table(struct radeon_device *rdev) 1661{ 1662 struct sumo_power_info *pi = sumo_get_pi(rdev); 1663 struct radeon_mode_info *mode_info = &rdev->mode_info; 1664 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 1665 union igp_info *igp_info; 1666 u8 frev, crev; 1667 u16 data_offset; 1668 int i; 1669 1670 if (atom_parse_data_header(mode_info->atom_context, index, NULL, 1671 &frev, &crev, &data_offset)) { 1672 igp_info = (union igp_info *)(mode_info->atom_context->bios + 1673 data_offset); 1674 1675 if (crev != 6) { 1676 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 1677 return -EINVAL; 1678 } 1679 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_6.ulBootUpEngineClock); 1680 pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_6.ulMinEngineClock); 1681 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_6.ulBootUpUMAClock); 1682 pi->sys_info.bootup_nb_voltage_index = 1683 le16_to_cpu(igp_info->info_6.usBootUpNBVoltage); 1684 if (igp_info->info_6.ucHtcTmpLmt == 0) 1685 pi->sys_info.htc_tmp_lmt = 203; 1686 else 1687 pi->sys_info.htc_tmp_lmt = igp_info->info_6.ucHtcTmpLmt; 1688 if (igp_info->info_6.ucHtcHystLmt == 0) 1689 pi->sys_info.htc_hyst_lmt = 5; 1690 else 1691 pi->sys_info.htc_hyst_lmt = igp_info->info_6.ucHtcHystLmt; 1692 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) { 1693 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n"); 1694 } 1695 for (i = 0; i < NUMBER_OF_M3ARB_PARAM_SETS; i++) { 1696 pi->sys_info.csr_m3_arb_cntl_default[i] = 1697 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_DEFAULT[i]); 1698 pi->sys_info.csr_m3_arb_cntl_uvd[i] = 1699 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_UVD[i]); 1700 pi->sys_info.csr_m3_arb_cntl_fs3d[i] = 1701 le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_FS3D[i]); 1702 } 1703 pi->sys_info.sclk_dpm_boost_margin = 1704 le32_to_cpu(igp_info->info_6.SclkDpmBoostMargin); 1705 pi->sys_info.sclk_dpm_throttle_margin = 1706 le32_to_cpu(igp_info->info_6.SclkDpmThrottleMargin); 1707 pi->sys_info.sclk_dpm_tdp_limit_pg = 1708 le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitPG); 1709 pi->sys_info.gnb_tdp_limit = le16_to_cpu(igp_info->info_6.GnbTdpLimit); 1710 pi->sys_info.sclk_dpm_tdp_limit_boost = 1711 le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitBoost); 1712 pi->sys_info.boost_sclk = le32_to_cpu(igp_info->info_6.ulBoostEngineCLock); 1713 pi->sys_info.boost_vid_2bit = igp_info->info_6.ulBoostVid_2bit; 1714 if (igp_info->info_6.EnableBoost) 1715 pi->sys_info.enable_boost = true; 1716 else 1717 pi->sys_info.enable_boost = false; 1718 sumo_construct_display_voltage_mapping_table(rdev, 1719 &pi->sys_info.disp_clk_voltage_mapping_table, 1720 igp_info->info_6.sDISPCLK_Voltage); 1721 sumo_construct_sclk_voltage_mapping_table(rdev, 1722 &pi->sys_info.sclk_voltage_mapping_table, 1723 igp_info->info_6.sAvail_SCLK); 1724 sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table, 1725 igp_info->info_6.sAvail_SCLK); 1726 1727 } 1728 return 0; 1729} 1730 1731static void sumo_construct_boot_and_acpi_state(struct radeon_device *rdev) 1732{ 1733 struct sumo_power_info *pi = sumo_get_pi(rdev); 1734 1735 pi->boot_pl.sclk = pi->sys_info.bootup_sclk; 1736 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index; 1737 pi->boot_pl.ds_divider_index = 0; 1738 pi->boot_pl.ss_divider_index = 0; 1739 pi->boot_pl.allow_gnb_slow = 1; 1740 pi->acpi_pl = pi->boot_pl; 1741 pi->current_ps.num_levels = 1; 1742 pi->current_ps.levels[0] = pi->boot_pl; 1743} 1744 1745int sumo_dpm_init(struct radeon_device *rdev) 1746{ 1747 struct sumo_power_info *pi; 1748 u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT; 1749 int ret; 1750 1751 pi = kzalloc(sizeof(struct sumo_power_info), GFP_KERNEL); 1752 if (pi == NULL) 1753 return -ENOMEM; 1754 rdev->pm.dpm.priv = pi; 1755 1756 pi->driver_nbps_policy_disable = false; 1757 if ((rdev->family == CHIP_PALM) && (hw_rev < 3)) 1758 pi->disable_gfx_power_gating_in_uvd = true; 1759 else 1760 pi->disable_gfx_power_gating_in_uvd = false; 1761 pi->enable_alt_vddnb = true; 1762 pi->enable_sclk_ds = true; 1763 pi->enable_dynamic_m3_arbiter = false; 1764 pi->enable_dynamic_patch_ps = true; 1765 /* Some PALM chips don't seem to properly ungate gfx when UVD is in use; 1766 * for now just disable gfx PG. 1767 */ 1768 if (rdev->family == CHIP_PALM) 1769 pi->enable_gfx_power_gating = false; 1770 else 1771 pi->enable_gfx_power_gating = true; 1772 pi->enable_gfx_clock_gating = true; 1773 pi->enable_mg_clock_gating = true; 1774 pi->enable_auto_thermal_throttling = true; 1775 1776 ret = sumo_parse_sys_info_table(rdev); 1777 if (ret) 1778 return ret; 1779 1780 sumo_construct_boot_and_acpi_state(rdev); 1781 1782 ret = r600_get_platform_caps(rdev); 1783 if (ret) 1784 return ret; 1785 1786 ret = sumo_parse_power_table(rdev); 1787 if (ret) 1788 return ret; 1789 1790 pi->pasi = CYPRESS_HASI_DFLT; 1791 pi->asi = RV770_ASI_DFLT; 1792 pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt; 1793 pi->enable_boost = pi->sys_info.enable_boost; 1794 pi->enable_dpm = true; 1795 1796 return 0; 1797} 1798 1799void sumo_dpm_print_power_state(struct radeon_device *rdev, 1800 struct radeon_ps *rps) 1801{ 1802 int i; 1803 struct sumo_ps *ps = sumo_get_ps(rps); 1804 1805 r600_dpm_print_class_info(rps->class, rps->class2); 1806 r600_dpm_print_cap_info(rps->caps); 1807 printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1808 for (i = 0; i < ps->num_levels; i++) { 1809 struct sumo_pl *pl = &ps->levels[i]; 1810 printk("\t\tpower level %d sclk: %u vddc: %u\n", 1811 i, pl->sclk, 1812 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1813 } 1814 r600_dpm_print_ps_status(rdev, rps); 1815} 1816 1817#ifdef CONFIG_DEBUG_FS 1818void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, 1819 struct seq_file *m) 1820{ 1821 struct sumo_power_info *pi = sumo_get_pi(rdev); 1822 struct radeon_ps *rps = &pi->current_rps; 1823 struct sumo_ps *ps = sumo_get_ps(rps); 1824 struct sumo_pl *pl; 1825 u32 current_index = 1826 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >> 1827 CURR_INDEX_SHIFT; 1828 1829 if (current_index == BOOST_DPM_LEVEL) { 1830 pl = &pi->boost_pl; 1831 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1832 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 1833 current_index, pl->sclk, 1834 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1835 } else if (current_index >= ps->num_levels) { 1836 seq_printf(m, "invalid dpm profile %d\n", current_index); 1837 } else { 1838 pl = &ps->levels[current_index]; 1839 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 1840 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 1841 current_index, pl->sclk, 1842 sumo_convert_voltage_index_to_value(rdev, pl->vddc_index)); 1843 } 1844} 1845#endif 1846 1847u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev) 1848{ 1849 struct sumo_power_info *pi = sumo_get_pi(rdev); 1850 struct radeon_ps *rps = &pi->current_rps; 1851 struct sumo_ps *ps = sumo_get_ps(rps); 1852 struct sumo_pl *pl; 1853 u32 current_index = 1854 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >> 1855 CURR_INDEX_SHIFT; 1856 1857 if (current_index == BOOST_DPM_LEVEL) { 1858 pl = &pi->boost_pl; 1859 return pl->sclk; 1860 } else if (current_index >= ps->num_levels) { 1861 return 0; 1862 } else { 1863 pl = &ps->levels[current_index]; 1864 return pl->sclk; 1865 } 1866} 1867 1868u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev) 1869{ 1870 struct sumo_power_info *pi = sumo_get_pi(rdev); 1871 1872 return pi->sys_info.bootup_uma_clk; 1873} 1874 1875void sumo_dpm_fini(struct radeon_device *rdev) 1876{ 1877 int i; 1878 1879 sumo_cleanup_asic(rdev); /* ??? */ 1880 1881 for (i = 0; i < rdev->pm.dpm.num_ps; i++) { 1882 kfree(rdev->pm.dpm.ps[i].ps_priv); 1883 } 1884 kfree(rdev->pm.dpm.ps); 1885 kfree(rdev->pm.dpm.priv); 1886} 1887 1888u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low) 1889{ 1890 struct sumo_power_info *pi = sumo_get_pi(rdev); 1891 struct sumo_ps *requested_state = sumo_get_ps(&pi->requested_rps); 1892 1893 if (low) 1894 return requested_state->levels[0].sclk; 1895 else 1896 return requested_state->levels[requested_state->num_levels - 1].sclk; 1897} 1898 1899u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low) 1900{ 1901 struct sumo_power_info *pi = sumo_get_pi(rdev); 1902 1903 return pi->sys_info.bootup_uma_clk; 1904} 1905 1906int sumo_dpm_force_performance_level(struct radeon_device *rdev, 1907 enum radeon_dpm_forced_level level) 1908{ 1909 struct sumo_power_info *pi = sumo_get_pi(rdev); 1910 struct radeon_ps *rps = &pi->current_rps; 1911 struct sumo_ps *ps = sumo_get_ps(rps); 1912 int i; 1913 1914 if (ps->num_levels <= 1) 1915 return 0; 1916 1917 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { 1918 if (pi->enable_boost) 1919 sumo_enable_boost(rdev, rps, false); 1920 sumo_power_level_enable(rdev, ps->num_levels - 1, true); 1921 sumo_set_forced_level(rdev, ps->num_levels - 1); 1922 sumo_set_forced_mode_enabled(rdev); 1923 for (i = 0; i < ps->num_levels - 1; i++) { 1924 sumo_power_level_enable(rdev, i, false); 1925 } 1926 sumo_set_forced_mode(rdev, false); 1927 sumo_set_forced_mode_enabled(rdev); 1928 sumo_set_forced_mode(rdev, false); 1929 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { 1930 if (pi->enable_boost) 1931 sumo_enable_boost(rdev, rps, false); 1932 sumo_power_level_enable(rdev, 0, true); 1933 sumo_set_forced_level(rdev, 0); 1934 sumo_set_forced_mode_enabled(rdev); 1935 for (i = 1; i < ps->num_levels; i++) { 1936 sumo_power_level_enable(rdev, i, false); 1937 } 1938 sumo_set_forced_mode(rdev, false); 1939 sumo_set_forced_mode_enabled(rdev); 1940 sumo_set_forced_mode(rdev, false); 1941 } else { 1942 for (i = 0; i < ps->num_levels; i++) { 1943 sumo_power_level_enable(rdev, i, true); 1944 } 1945 if (pi->enable_boost) 1946 sumo_enable_boost(rdev, rps, true); 1947 } 1948 1949 rdev->pm.dpm.forced_level = level; 1950 1951 return 0; 1952} 1953