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 <drm/drmP.h> 25 #include "radeon.h" 26 #include "radeon_asic.h" 27 #include "trinityd.h" 28 #include "r600_dpm.h" 29 #include "trinity_dpm.h" 30 #include <linux/seq_file.h> 31 32 #define TRINITY_MAX_DEEPSLEEP_DIVIDER_ID 5 33 #define TRINITY_MINIMUM_ENGINE_CLOCK 800 34 #define SCLK_MIN_DIV_INTV_SHIFT 12 35 #define TRINITY_DISPCLK_BYPASS_THRESHOLD 10000 36 37 #ifndef TRINITY_MGCG_SEQUENCE 38 #define TRINITY_MGCG_SEQUENCE 100 39 40 static const u32 trinity_mgcg_shls_default[] = 41 { 42 /* Register, Value, Mask */ 43 0x0000802c, 0xc0000000, 0xffffffff, 44 0x00003fc4, 0xc0000000, 0xffffffff, 45 0x00005448, 0x00000100, 0xffffffff, 46 0x000055e4, 0x00000100, 0xffffffff, 47 0x0000160c, 0x00000100, 0xffffffff, 48 0x00008984, 0x06000100, 0xffffffff, 49 0x0000c164, 0x00000100, 0xffffffff, 50 0x00008a18, 0x00000100, 0xffffffff, 51 0x0000897c, 0x06000100, 0xffffffff, 52 0x00008b28, 0x00000100, 0xffffffff, 53 0x00009144, 0x00800200, 0xffffffff, 54 0x00009a60, 0x00000100, 0xffffffff, 55 0x00009868, 0x00000100, 0xffffffff, 56 0x00008d58, 0x00000100, 0xffffffff, 57 0x00009510, 0x00000100, 0xffffffff, 58 0x0000949c, 0x00000100, 0xffffffff, 59 0x00009654, 0x00000100, 0xffffffff, 60 0x00009030, 0x00000100, 0xffffffff, 61 0x00009034, 0x00000100, 0xffffffff, 62 0x00009038, 0x00000100, 0xffffffff, 63 0x0000903c, 0x00000100, 0xffffffff, 64 0x00009040, 0x00000100, 0xffffffff, 65 0x0000a200, 0x00000100, 0xffffffff, 66 0x0000a204, 0x00000100, 0xffffffff, 67 0x0000a208, 0x00000100, 0xffffffff, 68 0x0000a20c, 0x00000100, 0xffffffff, 69 0x00009744, 0x00000100, 0xffffffff, 70 0x00003f80, 0x00000100, 0xffffffff, 71 0x0000a210, 0x00000100, 0xffffffff, 72 0x0000a214, 0x00000100, 0xffffffff, 73 0x000004d8, 0x00000100, 0xffffffff, 74 0x00009664, 0x00000100, 0xffffffff, 75 0x00009698, 0x00000100, 0xffffffff, 76 0x000004d4, 0x00000200, 0xffffffff, 77 0x000004d0, 0x00000000, 0xffffffff, 78 0x000030cc, 0x00000104, 0xffffffff, 79 0x0000d0c0, 0x00000100, 0xffffffff, 80 0x0000d8c0, 0x00000100, 0xffffffff, 81 0x0000951c, 0x00010000, 0xffffffff, 82 0x00009160, 0x00030002, 0xffffffff, 83 0x00009164, 0x00050004, 0xffffffff, 84 0x00009168, 0x00070006, 0xffffffff, 85 0x00009178, 0x00070000, 0xffffffff, 86 0x0000917c, 0x00030002, 0xffffffff, 87 0x00009180, 0x00050004, 0xffffffff, 88 0x0000918c, 0x00010006, 0xffffffff, 89 0x00009190, 0x00090008, 0xffffffff, 90 0x00009194, 0x00070000, 0xffffffff, 91 0x00009198, 0x00030002, 0xffffffff, 92 0x0000919c, 0x00050004, 0xffffffff, 93 0x000091a8, 0x00010006, 0xffffffff, 94 0x000091ac, 0x00090008, 0xffffffff, 95 0x000091b0, 0x00070000, 0xffffffff, 96 0x000091b4, 0x00030002, 0xffffffff, 97 0x000091b8, 0x00050004, 0xffffffff, 98 0x000091c4, 0x00010006, 0xffffffff, 99 0x000091c8, 0x00090008, 0xffffffff, 100 0x000091cc, 0x00070000, 0xffffffff, 101 0x000091d0, 0x00030002, 0xffffffff, 102 0x000091d4, 0x00050004, 0xffffffff, 103 0x000091e0, 0x00010006, 0xffffffff, 104 0x000091e4, 0x00090008, 0xffffffff, 105 0x000091e8, 0x00000000, 0xffffffff, 106 0x000091ec, 0x00070000, 0xffffffff, 107 0x000091f0, 0x00030002, 0xffffffff, 108 0x000091f4, 0x00050004, 0xffffffff, 109 0x00009200, 0x00010006, 0xffffffff, 110 0x00009204, 0x00090008, 0xffffffff, 111 0x00009208, 0x00070000, 0xffffffff, 112 0x0000920c, 0x00030002, 0xffffffff, 113 0x00009210, 0x00050004, 0xffffffff, 114 0x0000921c, 0x00010006, 0xffffffff, 115 0x00009220, 0x00090008, 0xffffffff, 116 0x00009294, 0x00000000, 0xffffffff 117 }; 118 119 static const u32 trinity_mgcg_shls_enable[] = 120 { 121 /* Register, Value, Mask */ 122 0x0000802c, 0xc0000000, 0xffffffff, 123 0x000008f8, 0x00000000, 0xffffffff, 124 0x000008fc, 0x00000000, 0x000133FF, 125 0x000008f8, 0x00000001, 0xffffffff, 126 0x000008fc, 0x00000000, 0xE00B03FC, 127 0x00009150, 0x96944200, 0xffffffff 128 }; 129 130 static const u32 trinity_mgcg_shls_disable[] = 131 { 132 /* Register, Value, Mask */ 133 0x0000802c, 0xc0000000, 0xffffffff, 134 0x00009150, 0x00600000, 0xffffffff, 135 0x000008f8, 0x00000000, 0xffffffff, 136 0x000008fc, 0xffffffff, 0x000133FF, 137 0x000008f8, 0x00000001, 0xffffffff, 138 0x000008fc, 0xffffffff, 0xE00B03FC 139 }; 140 #endif 141 142 #ifndef TRINITY_SYSLS_SEQUENCE 143 #define TRINITY_SYSLS_SEQUENCE 100 144 145 static const u32 trinity_sysls_default[] = 146 { 147 /* Register, Value, Mask */ 148 0x000055e8, 0x00000000, 0xffffffff, 149 0x0000d0bc, 0x00000000, 0xffffffff, 150 0x0000d8bc, 0x00000000, 0xffffffff, 151 0x000015c0, 0x000c1401, 0xffffffff, 152 0x0000264c, 0x000c0400, 0xffffffff, 153 0x00002648, 0x000c0400, 0xffffffff, 154 0x00002650, 0x000c0400, 0xffffffff, 155 0x000020b8, 0x000c0400, 0xffffffff, 156 0x000020bc, 0x000c0400, 0xffffffff, 157 0x000020c0, 0x000c0c80, 0xffffffff, 158 0x0000f4a0, 0x000000c0, 0xffffffff, 159 0x0000f4a4, 0x00680fff, 0xffffffff, 160 0x00002f50, 0x00000404, 0xffffffff, 161 0x000004c8, 0x00000001, 0xffffffff, 162 0x0000641c, 0x00000000, 0xffffffff, 163 0x00000c7c, 0x00000000, 0xffffffff, 164 0x00006dfc, 0x00000000, 0xffffffff 165 }; 166 167 static const u32 trinity_sysls_disable[] = 168 { 169 /* Register, Value, Mask */ 170 0x0000d0c0, 0x00000000, 0xffffffff, 171 0x0000d8c0, 0x00000000, 0xffffffff, 172 0x000055e8, 0x00000000, 0xffffffff, 173 0x0000d0bc, 0x00000000, 0xffffffff, 174 0x0000d8bc, 0x00000000, 0xffffffff, 175 0x000015c0, 0x00041401, 0xffffffff, 176 0x0000264c, 0x00040400, 0xffffffff, 177 0x00002648, 0x00040400, 0xffffffff, 178 0x00002650, 0x00040400, 0xffffffff, 179 0x000020b8, 0x00040400, 0xffffffff, 180 0x000020bc, 0x00040400, 0xffffffff, 181 0x000020c0, 0x00040c80, 0xffffffff, 182 0x0000f4a0, 0x000000c0, 0xffffffff, 183 0x0000f4a4, 0x00680000, 0xffffffff, 184 0x00002f50, 0x00000404, 0xffffffff, 185 0x000004c8, 0x00000001, 0xffffffff, 186 0x0000641c, 0x00007ffd, 0xffffffff, 187 0x00000c7c, 0x0000ff00, 0xffffffff, 188 0x00006dfc, 0x0000007f, 0xffffffff 189 }; 190 191 static const u32 trinity_sysls_enable[] = 192 { 193 /* Register, Value, Mask */ 194 0x000055e8, 0x00000001, 0xffffffff, 195 0x0000d0bc, 0x00000100, 0xffffffff, 196 0x0000d8bc, 0x00000100, 0xffffffff, 197 0x000015c0, 0x000c1401, 0xffffffff, 198 0x0000264c, 0x000c0400, 0xffffffff, 199 0x00002648, 0x000c0400, 0xffffffff, 200 0x00002650, 0x000c0400, 0xffffffff, 201 0x000020b8, 0x000c0400, 0xffffffff, 202 0x000020bc, 0x000c0400, 0xffffffff, 203 0x000020c0, 0x000c0c80, 0xffffffff, 204 0x0000f4a0, 0x000000c0, 0xffffffff, 205 0x0000f4a4, 0x00680fff, 0xffffffff, 206 0x00002f50, 0x00000903, 0xffffffff, 207 0x000004c8, 0x00000000, 0xffffffff, 208 0x0000641c, 0x00000000, 0xffffffff, 209 0x00000c7c, 0x00000000, 0xffffffff, 210 0x00006dfc, 0x00000000, 0xffffffff 211 }; 212 #endif 213 214 static const u32 trinity_override_mgpg_sequences[] = 215 { 216 /* Register, Value */ 217 0x00000200, 0xE030032C, 218 0x00000204, 0x00000FFF, 219 0x00000200, 0xE0300058, 220 0x00000204, 0x00030301, 221 0x00000200, 0xE0300054, 222 0x00000204, 0x500010FF, 223 0x00000200, 0xE0300074, 224 0x00000204, 0x00030301, 225 0x00000200, 0xE0300070, 226 0x00000204, 0x500010FF, 227 0x00000200, 0xE0300090, 228 0x00000204, 0x00030301, 229 0x00000200, 0xE030008C, 230 0x00000204, 0x500010FF, 231 0x00000200, 0xE03000AC, 232 0x00000204, 0x00030301, 233 0x00000200, 0xE03000A8, 234 0x00000204, 0x500010FF, 235 0x00000200, 0xE03000C8, 236 0x00000204, 0x00030301, 237 0x00000200, 0xE03000C4, 238 0x00000204, 0x500010FF, 239 0x00000200, 0xE03000E4, 240 0x00000204, 0x00030301, 241 0x00000200, 0xE03000E0, 242 0x00000204, 0x500010FF, 243 0x00000200, 0xE0300100, 244 0x00000204, 0x00030301, 245 0x00000200, 0xE03000FC, 246 0x00000204, 0x500010FF, 247 0x00000200, 0xE0300058, 248 0x00000204, 0x00030303, 249 0x00000200, 0xE0300054, 250 0x00000204, 0x600010FF, 251 0x00000200, 0xE0300074, 252 0x00000204, 0x00030303, 253 0x00000200, 0xE0300070, 254 0x00000204, 0x600010FF, 255 0x00000200, 0xE0300090, 256 0x00000204, 0x00030303, 257 0x00000200, 0xE030008C, 258 0x00000204, 0x600010FF, 259 0x00000200, 0xE03000AC, 260 0x00000204, 0x00030303, 261 0x00000200, 0xE03000A8, 262 0x00000204, 0x600010FF, 263 0x00000200, 0xE03000C8, 264 0x00000204, 0x00030303, 265 0x00000200, 0xE03000C4, 266 0x00000204, 0x600010FF, 267 0x00000200, 0xE03000E4, 268 0x00000204, 0x00030303, 269 0x00000200, 0xE03000E0, 270 0x00000204, 0x600010FF, 271 0x00000200, 0xE0300100, 272 0x00000204, 0x00030303, 273 0x00000200, 0xE03000FC, 274 0x00000204, 0x600010FF, 275 0x00000200, 0xE0300058, 276 0x00000204, 0x00030303, 277 0x00000200, 0xE0300054, 278 0x00000204, 0x700010FF, 279 0x00000200, 0xE0300074, 280 0x00000204, 0x00030303, 281 0x00000200, 0xE0300070, 282 0x00000204, 0x700010FF, 283 0x00000200, 0xE0300090, 284 0x00000204, 0x00030303, 285 0x00000200, 0xE030008C, 286 0x00000204, 0x700010FF, 287 0x00000200, 0xE03000AC, 288 0x00000204, 0x00030303, 289 0x00000200, 0xE03000A8, 290 0x00000204, 0x700010FF, 291 0x00000200, 0xE03000C8, 292 0x00000204, 0x00030303, 293 0x00000200, 0xE03000C4, 294 0x00000204, 0x700010FF, 295 0x00000200, 0xE03000E4, 296 0x00000204, 0x00030303, 297 0x00000200, 0xE03000E0, 298 0x00000204, 0x700010FF, 299 0x00000200, 0xE0300100, 300 0x00000204, 0x00030303, 301 0x00000200, 0xE03000FC, 302 0x00000204, 0x700010FF, 303 0x00000200, 0xE0300058, 304 0x00000204, 0x00010303, 305 0x00000200, 0xE0300054, 306 0x00000204, 0x800010FF, 307 0x00000200, 0xE0300074, 308 0x00000204, 0x00010303, 309 0x00000200, 0xE0300070, 310 0x00000204, 0x800010FF, 311 0x00000200, 0xE0300090, 312 0x00000204, 0x00010303, 313 0x00000200, 0xE030008C, 314 0x00000204, 0x800010FF, 315 0x00000200, 0xE03000AC, 316 0x00000204, 0x00010303, 317 0x00000200, 0xE03000A8, 318 0x00000204, 0x800010FF, 319 0x00000200, 0xE03000C4, 320 0x00000204, 0x800010FF, 321 0x00000200, 0xE03000C8, 322 0x00000204, 0x00010303, 323 0x00000200, 0xE03000E4, 324 0x00000204, 0x00010303, 325 0x00000200, 0xE03000E0, 326 0x00000204, 0x800010FF, 327 0x00000200, 0xE0300100, 328 0x00000204, 0x00010303, 329 0x00000200, 0xE03000FC, 330 0x00000204, 0x800010FF, 331 0x00000200, 0x0001f198, 332 0x00000204, 0x0003ffff, 333 0x00000200, 0x0001f19C, 334 0x00000204, 0x3fffffff, 335 0x00000200, 0xE030032C, 336 0x00000204, 0x00000000, 337 }; 338 339 extern void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable); 340 static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev, 341 const u32 *seq, u32 count); 342 static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev); 343 static void trinity_apply_state_adjust_rules(struct radeon_device *rdev, 344 struct radeon_ps *new_rps, 345 struct radeon_ps *old_rps); 346 347 static struct trinity_ps *trinity_get_ps(struct radeon_ps *rps) 348 { 349 struct trinity_ps *ps = rps->ps_priv; 350 351 return ps; 352 } 353 354 static struct trinity_power_info *trinity_get_pi(struct radeon_device *rdev) 355 { 356 struct trinity_power_info *pi = rdev->pm.dpm.priv; 357 358 return pi; 359 } 360 361 static void trinity_gfx_powergating_initialize(struct radeon_device *rdev) 362 { 363 struct trinity_power_info *pi = trinity_get_pi(rdev); 364 u32 p, u; 365 u32 value; 366 struct atom_clock_dividers dividers; 367 u32 xclk = radeon_get_xclk(rdev); 368 u32 sssd = 1; 369 int ret; 370 u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT; 371 372 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 373 25000, false, ÷rs); 374 if (ret) 375 return; 376 377 value = RREG32_SMC(GFX_POWER_GATING_CNTL); 378 value &= ~(SSSD_MASK | PDS_DIV_MASK); 379 if (sssd) 380 value |= SSSD(1); 381 value |= PDS_DIV(dividers.post_div); 382 WREG32_SMC(GFX_POWER_GATING_CNTL, value); 383 384 r600_calculate_u_and_p(500, xclk, 16, &p, &u); 385 386 WREG32(CG_PG_CTRL, SP(p) | SU(u)); 387 388 WREG32_P(CG_GIPOTS, CG_GIPOT(p), ~CG_GIPOT_MASK); 389 390 /* XXX double check hw_rev */ 391 if (pi->override_dynamic_mgpg && (hw_rev == 0)) 392 trinity_override_dynamic_mg_powergating(rdev); 393 394 } 395 396 #define CGCG_CGTT_LOCAL0_MASK 0xFFFF33FF 397 #define CGCG_CGTT_LOCAL1_MASK 0xFFFB0FFE 398 #define CGTS_SM_CTRL_REG_DISABLE 0x00600000 399 #define CGTS_SM_CTRL_REG_ENABLE 0x96944200 400 401 static void trinity_mg_clockgating_enable(struct radeon_device *rdev, 402 bool enable) 403 { 404 u32 local0; 405 u32 local1; 406 407 if (enable) { 408 local0 = RREG32_CG(CG_CGTT_LOCAL_0); 409 local1 = RREG32_CG(CG_CGTT_LOCAL_1); 410 411 WREG32_CG(CG_CGTT_LOCAL_0, 412 (0x00380000 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) ); 413 WREG32_CG(CG_CGTT_LOCAL_1, 414 (0x0E000000 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) ); 415 416 WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_ENABLE); 417 } else { 418 WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_DISABLE); 419 420 local0 = RREG32_CG(CG_CGTT_LOCAL_0); 421 local1 = RREG32_CG(CG_CGTT_LOCAL_1); 422 423 WREG32_CG(CG_CGTT_LOCAL_0, 424 CGCG_CGTT_LOCAL0_MASK | (local0 & ~CGCG_CGTT_LOCAL0_MASK) ); 425 WREG32_CG(CG_CGTT_LOCAL_1, 426 CGCG_CGTT_LOCAL1_MASK | (local1 & ~CGCG_CGTT_LOCAL1_MASK) ); 427 } 428 } 429 430 static void trinity_mg_clockgating_initialize(struct radeon_device *rdev) 431 { 432 u32 count; 433 const u32 *seq = NULL; 434 435 seq = &trinity_mgcg_shls_default[0]; 436 count = sizeof(trinity_mgcg_shls_default) / (3 * sizeof(u32)); 437 438 trinity_program_clk_gating_hw_sequence(rdev, seq, count); 439 } 440 441 static void trinity_gfx_clockgating_enable(struct radeon_device *rdev, 442 bool enable) 443 { 444 if (enable) { 445 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); 446 } else { 447 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 448 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 449 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 450 RREG32(GB_ADDR_CONFIG); 451 } 452 } 453 454 static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev, 455 const u32 *seq, u32 count) 456 { 457 u32 i, length = count * 3; 458 459 for (i = 0; i < length; i += 3) 460 WREG32_P(seq[i], seq[i+1], ~seq[i+2]); 461 } 462 463 static void trinity_program_override_mgpg_sequences(struct radeon_device *rdev, 464 const u32 *seq, u32 count) 465 { 466 u32 i, length = count * 2; 467 468 for (i = 0; i < length; i += 2) 469 WREG32(seq[i], seq[i+1]); 470 471 } 472 473 static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev) 474 { 475 u32 count; 476 const u32 *seq = NULL; 477 478 seq = &trinity_override_mgpg_sequences[0]; 479 count = sizeof(trinity_override_mgpg_sequences) / (2 * sizeof(u32)); 480 481 trinity_program_override_mgpg_sequences(rdev, seq, count); 482 } 483 484 static void trinity_ls_clockgating_enable(struct radeon_device *rdev, 485 bool enable) 486 { 487 u32 count; 488 const u32 *seq = NULL; 489 490 if (enable) { 491 seq = &trinity_sysls_enable[0]; 492 count = sizeof(trinity_sysls_enable) / (3 * sizeof(u32)); 493 } else { 494 seq = &trinity_sysls_disable[0]; 495 count = sizeof(trinity_sysls_disable) / (3 * sizeof(u32)); 496 } 497 498 trinity_program_clk_gating_hw_sequence(rdev, seq, count); 499 } 500 501 static void trinity_gfx_powergating_enable(struct radeon_device *rdev, 502 bool enable) 503 { 504 if (enable) { 505 if (RREG32_SMC(CC_SMU_TST_EFUSE1_MISC) & RB_BACKEND_DISABLE_MASK) 506 WREG32_SMC(SMU_SCRATCH_A, (RREG32_SMC(SMU_SCRATCH_A) | 0x01)); 507 508 WREG32_P(SCLK_PWRMGT_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN); 509 } else { 510 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_PWR_DOWN_EN); 511 RREG32(GB_ADDR_CONFIG); 512 } 513 } 514 515 static void trinity_gfx_dynamic_mgpg_enable(struct radeon_device *rdev, 516 bool enable) 517 { 518 u32 value; 519 520 if (enable) { 521 value = RREG32_SMC(PM_I_CNTL_1); 522 value &= ~DS_PG_CNTL_MASK; 523 value |= DS_PG_CNTL(1); 524 WREG32_SMC(PM_I_CNTL_1, value); 525 526 value = RREG32_SMC(SMU_S_PG_CNTL); 527 value &= ~DS_PG_EN_MASK; 528 value |= DS_PG_EN(1); 529 WREG32_SMC(SMU_S_PG_CNTL, value); 530 } else { 531 value = RREG32_SMC(SMU_S_PG_CNTL); 532 value &= ~DS_PG_EN_MASK; 533 WREG32_SMC(SMU_S_PG_CNTL, value); 534 535 value = RREG32_SMC(PM_I_CNTL_1); 536 value &= ~DS_PG_CNTL_MASK; 537 WREG32_SMC(PM_I_CNTL_1, value); 538 } 539 540 trinity_gfx_dynamic_mgpg_config(rdev); 541 542 } 543 544 static void trinity_enable_clock_power_gating(struct radeon_device *rdev) 545 { 546 struct trinity_power_info *pi = trinity_get_pi(rdev); 547 548 if (pi->enable_gfx_clock_gating) 549 sumo_gfx_clockgating_initialize(rdev); 550 if (pi->enable_mg_clock_gating) 551 trinity_mg_clockgating_initialize(rdev); 552 if (pi->enable_gfx_power_gating) 553 trinity_gfx_powergating_initialize(rdev); 554 if (pi->enable_mg_clock_gating) { 555 trinity_ls_clockgating_enable(rdev, true); 556 trinity_mg_clockgating_enable(rdev, true); 557 } 558 if (pi->enable_gfx_clock_gating) 559 trinity_gfx_clockgating_enable(rdev, true); 560 if (pi->enable_gfx_dynamic_mgpg) 561 trinity_gfx_dynamic_mgpg_enable(rdev, true); 562 if (pi->enable_gfx_power_gating) 563 trinity_gfx_powergating_enable(rdev, true); 564 } 565 566 static void trinity_disable_clock_power_gating(struct radeon_device *rdev) 567 { 568 struct trinity_power_info *pi = trinity_get_pi(rdev); 569 570 if (pi->enable_gfx_power_gating) 571 trinity_gfx_powergating_enable(rdev, false); 572 if (pi->enable_gfx_dynamic_mgpg) 573 trinity_gfx_dynamic_mgpg_enable(rdev, false); 574 if (pi->enable_gfx_clock_gating) 575 trinity_gfx_clockgating_enable(rdev, false); 576 if (pi->enable_mg_clock_gating) { 577 trinity_mg_clockgating_enable(rdev, false); 578 trinity_ls_clockgating_enable(rdev, false); 579 } 580 } 581 582 static void trinity_set_divider_value(struct radeon_device *rdev, 583 u32 index, u32 sclk) 584 { 585 struct atom_clock_dividers dividers; 586 int ret; 587 u32 value; 588 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 589 590 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 591 sclk, false, ÷rs); 592 if (ret) 593 return; 594 595 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 596 value &= ~CLK_DIVIDER_MASK; 597 value |= CLK_DIVIDER(dividers.post_div); 598 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 599 600 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 601 sclk/2, false, ÷rs); 602 if (ret) 603 return; 604 605 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix); 606 value &= ~PD_SCLK_DIVIDER_MASK; 607 value |= PD_SCLK_DIVIDER(dividers.post_div); 608 WREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix, value); 609 } 610 611 static void trinity_set_ds_dividers(struct radeon_device *rdev, 612 u32 index, u32 divider) 613 { 614 u32 value; 615 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 616 617 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 618 value &= ~DS_DIV_MASK; 619 value |= DS_DIV(divider); 620 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 621 } 622 623 static void trinity_set_ss_dividers(struct radeon_device *rdev, 624 u32 index, u32 divider) 625 { 626 u32 value; 627 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 628 629 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 630 value &= ~DS_SH_DIV_MASK; 631 value |= DS_SH_DIV(divider); 632 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 633 } 634 635 static void trinity_set_vid(struct radeon_device *rdev, u32 index, u32 vid) 636 { 637 struct trinity_power_info *pi = trinity_get_pi(rdev); 638 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid); 639 u32 value; 640 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 641 642 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 643 value &= ~VID_MASK; 644 value |= VID(vid_7bit); 645 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 646 647 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 648 value &= ~LVRT_MASK; 649 value |= LVRT(0); 650 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 651 } 652 653 static void trinity_set_allos_gnb_slow(struct radeon_device *rdev, 654 u32 index, u32 gnb_slow) 655 { 656 u32 value; 657 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 658 659 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix); 660 value &= ~GNB_SLOW_MASK; 661 value |= GNB_SLOW(gnb_slow); 662 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value); 663 } 664 665 static void trinity_set_force_nbp_state(struct radeon_device *rdev, 666 u32 index, u32 force_nbp_state) 667 { 668 u32 value; 669 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 670 671 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix); 672 value &= ~FORCE_NBPS1_MASK; 673 value |= FORCE_NBPS1(force_nbp_state); 674 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value); 675 } 676 677 static void trinity_set_display_wm(struct radeon_device *rdev, 678 u32 index, u32 wm) 679 { 680 u32 value; 681 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 682 683 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 684 value &= ~DISPLAY_WM_MASK; 685 value |= DISPLAY_WM(wm); 686 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 687 } 688 689 static void trinity_set_vce_wm(struct radeon_device *rdev, 690 u32 index, u32 wm) 691 { 692 u32 value; 693 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 694 695 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix); 696 value &= ~VCE_WM_MASK; 697 value |= VCE_WM(wm); 698 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value); 699 } 700 701 static void trinity_set_at(struct radeon_device *rdev, 702 u32 index, u32 at) 703 { 704 u32 value; 705 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 706 707 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix); 708 value &= ~AT_MASK; 709 value |= AT(at); 710 WREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix, value); 711 } 712 713 static void trinity_program_power_level(struct radeon_device *rdev, 714 struct trinity_pl *pl, u32 index) 715 { 716 struct trinity_power_info *pi = trinity_get_pi(rdev); 717 718 if (index >= SUMO_MAX_HARDWARE_POWERLEVELS) 719 return; 720 721 trinity_set_divider_value(rdev, index, pl->sclk); 722 trinity_set_vid(rdev, index, pl->vddc_index); 723 trinity_set_ss_dividers(rdev, index, pl->ss_divider_index); 724 trinity_set_ds_dividers(rdev, index, pl->ds_divider_index); 725 trinity_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow); 726 trinity_set_force_nbp_state(rdev, index, pl->force_nbp_state); 727 trinity_set_display_wm(rdev, index, pl->display_wm); 728 trinity_set_vce_wm(rdev, index, pl->vce_wm); 729 trinity_set_at(rdev, index, pi->at[index]); 730 } 731 732 static void trinity_power_level_enable_disable(struct radeon_device *rdev, 733 u32 index, bool enable) 734 { 735 u32 value; 736 u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE; 737 738 value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix); 739 value &= ~STATE_VALID_MASK; 740 if (enable) 741 value |= STATE_VALID(1); 742 WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value); 743 } 744 745 static bool trinity_dpm_enabled(struct radeon_device *rdev) 746 { 747 if (RREG32_SMC(SMU_SCLK_DPM_CNTL) & SCLK_DPM_EN(1)) 748 return true; 749 else 750 return false; 751 } 752 753 static void trinity_start_dpm(struct radeon_device *rdev) 754 { 755 u32 value = RREG32_SMC(SMU_SCLK_DPM_CNTL); 756 757 value &= ~(SCLK_DPM_EN_MASK | SCLK_DPM_BOOT_STATE_MASK | VOLTAGE_CHG_EN_MASK); 758 value |= SCLK_DPM_EN(1) | SCLK_DPM_BOOT_STATE(0) | VOLTAGE_CHG_EN(1); 759 WREG32_SMC(SMU_SCLK_DPM_CNTL, value); 760 761 WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN); 762 WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~EN); 763 764 trinity_dpm_config(rdev, true); 765 } 766 767 static void trinity_wait_for_dpm_enabled(struct radeon_device *rdev) 768 { 769 int i; 770 771 for (i = 0; i < rdev->usec_timeout; i++) { 772 if (RREG32(SCLK_PWRMGT_CNTL) & DYNAMIC_PM_EN) 773 break; 774 udelay(1); 775 } 776 for (i = 0; i < rdev->usec_timeout; i++) { 777 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_STATE_MASK) == 0) 778 break; 779 udelay(1); 780 } 781 for (i = 0; i < rdev->usec_timeout; i++) { 782 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0) 783 break; 784 udelay(1); 785 } 786 } 787 788 static void trinity_stop_dpm(struct radeon_device *rdev) 789 { 790 u32 sclk_dpm_cntl; 791 792 WREG32_P(CG_CG_VOLTAGE_CNTL, EN, ~EN); 793 794 sclk_dpm_cntl = RREG32_SMC(SMU_SCLK_DPM_CNTL); 795 sclk_dpm_cntl &= ~(SCLK_DPM_EN_MASK | VOLTAGE_CHG_EN_MASK); 796 WREG32_SMC(SMU_SCLK_DPM_CNTL, sclk_dpm_cntl); 797 798 trinity_dpm_config(rdev, false); 799 } 800 801 static void trinity_start_am(struct radeon_device *rdev) 802 { 803 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~(RESET_SCLK_CNT | RESET_BUSY_CNT)); 804 } 805 806 static void trinity_reset_am(struct radeon_device *rdev) 807 { 808 WREG32_P(SCLK_PWRMGT_CNTL, RESET_SCLK_CNT | RESET_BUSY_CNT, 809 ~(RESET_SCLK_CNT | RESET_BUSY_CNT)); 810 } 811 812 static void trinity_wait_for_level_0(struct radeon_device *rdev) 813 { 814 int i; 815 816 for (i = 0; i < rdev->usec_timeout; i++) { 817 if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0) 818 break; 819 udelay(1); 820 } 821 } 822 823 static void trinity_enable_power_level_0(struct radeon_device *rdev) 824 { 825 trinity_power_level_enable_disable(rdev, 0, true); 826 } 827 828 static void trinity_force_level_0(struct radeon_device *rdev) 829 { 830 trinity_dpm_force_state(rdev, 0); 831 } 832 833 static void trinity_unforce_levels(struct radeon_device *rdev) 834 { 835 trinity_dpm_no_forced_level(rdev); 836 } 837 838 static void trinity_program_power_levels_0_to_n(struct radeon_device *rdev, 839 struct radeon_ps *new_rps, 840 struct radeon_ps *old_rps) 841 { 842 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 843 struct trinity_ps *old_ps = trinity_get_ps(old_rps); 844 u32 i; 845 u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels; 846 847 for (i = 0; i < new_ps->num_levels; i++) { 848 trinity_program_power_level(rdev, &new_ps->levels[i], i); 849 trinity_power_level_enable_disable(rdev, i, true); 850 } 851 852 for (i = new_ps->num_levels; i < n_current_state_levels; i++) 853 trinity_power_level_enable_disable(rdev, i, false); 854 } 855 856 static void trinity_program_bootup_state(struct radeon_device *rdev) 857 { 858 struct trinity_power_info *pi = trinity_get_pi(rdev); 859 u32 i; 860 861 trinity_program_power_level(rdev, &pi->boot_pl, 0); 862 trinity_power_level_enable_disable(rdev, 0, true); 863 864 for (i = 1; i < 8; i++) 865 trinity_power_level_enable_disable(rdev, i, false); 866 } 867 868 static void trinity_setup_uvd_clock_table(struct radeon_device *rdev, 869 struct radeon_ps *rps) 870 { 871 struct trinity_ps *ps = trinity_get_ps(rps); 872 u32 uvdstates = (ps->vclk_low_divider | 873 ps->vclk_high_divider << 8 | 874 ps->dclk_low_divider << 16 | 875 ps->dclk_high_divider << 24); 876 877 WREG32_SMC(SMU_UVD_DPM_STATES, uvdstates); 878 } 879 880 static void trinity_setup_uvd_dpm_interval(struct radeon_device *rdev, 881 u32 interval) 882 { 883 u32 p, u; 884 u32 tp = RREG32_SMC(PM_TP); 885 u32 val; 886 u32 xclk = radeon_get_xclk(rdev); 887 888 r600_calculate_u_and_p(interval, xclk, 16, &p, &u); 889 890 val = (p + tp - 1) / tp; 891 892 WREG32_SMC(SMU_UVD_DPM_CNTL, val); 893 } 894 895 static bool trinity_uvd_clocks_zero(struct radeon_ps *rps) 896 { 897 if ((rps->vclk == 0) && (rps->dclk == 0)) 898 return true; 899 else 900 return false; 901 } 902 903 static bool trinity_uvd_clocks_equal(struct radeon_ps *rps1, 904 struct radeon_ps *rps2) 905 { 906 struct trinity_ps *ps1 = trinity_get_ps(rps1); 907 struct trinity_ps *ps2 = trinity_get_ps(rps2); 908 909 if ((rps1->vclk == rps2->vclk) && 910 (rps1->dclk == rps2->dclk) && 911 (ps1->vclk_low_divider == ps2->vclk_low_divider) && 912 (ps1->vclk_high_divider == ps2->vclk_high_divider) && 913 (ps1->dclk_low_divider == ps2->dclk_low_divider) && 914 (ps1->dclk_high_divider == ps2->dclk_high_divider)) 915 return true; 916 else 917 return false; 918 } 919 920 static void trinity_setup_uvd_clocks(struct radeon_device *rdev, 921 struct radeon_ps *new_rps, 922 struct radeon_ps *old_rps) 923 { 924 struct trinity_power_info *pi = trinity_get_pi(rdev); 925 926 if (pi->enable_gfx_power_gating) { 927 trinity_gfx_powergating_enable(rdev, false); 928 } 929 930 if (pi->uvd_dpm) { 931 if (trinity_uvd_clocks_zero(new_rps) && 932 !trinity_uvd_clocks_zero(old_rps)) { 933 trinity_setup_uvd_dpm_interval(rdev, 0); 934 } else if (!trinity_uvd_clocks_zero(new_rps)) { 935 trinity_setup_uvd_clock_table(rdev, new_rps); 936 937 if (trinity_uvd_clocks_zero(old_rps)) { 938 u32 tmp = RREG32(CG_MISC_REG); 939 tmp &= 0xfffffffd; 940 WREG32(CG_MISC_REG, tmp); 941 942 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 943 944 trinity_setup_uvd_dpm_interval(rdev, 3000); 945 } 946 } 947 trinity_uvd_dpm_config(rdev); 948 } else { 949 if (trinity_uvd_clocks_zero(new_rps) || 950 trinity_uvd_clocks_equal(new_rps, old_rps)) 951 return; 952 953 radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk); 954 } 955 956 if (pi->enable_gfx_power_gating) { 957 trinity_gfx_powergating_enable(rdev, true); 958 } 959 } 960 961 static void trinity_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev, 962 struct radeon_ps *new_rps, 963 struct radeon_ps *old_rps) 964 { 965 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 966 struct trinity_ps *current_ps = trinity_get_ps(new_rps); 967 968 if (new_ps->levels[new_ps->num_levels - 1].sclk >= 969 current_ps->levels[current_ps->num_levels - 1].sclk) 970 return; 971 972 trinity_setup_uvd_clocks(rdev, new_rps, old_rps); 973 } 974 975 static void trinity_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, 976 struct radeon_ps *new_rps, 977 struct radeon_ps *old_rps) 978 { 979 struct trinity_ps *new_ps = trinity_get_ps(new_rps); 980 struct trinity_ps *current_ps = trinity_get_ps(old_rps); 981 982 if (new_ps->levels[new_ps->num_levels - 1].sclk < 983 current_ps->levels[current_ps->num_levels - 1].sclk) 984 return; 985 986 trinity_setup_uvd_clocks(rdev, new_rps, old_rps); 987 } 988 989 static void trinity_set_vce_clock(struct radeon_device *rdev, 990 struct radeon_ps *new_rps, 991 struct radeon_ps *old_rps) 992 { 993 if ((old_rps->evclk != new_rps->evclk) || 994 (old_rps->ecclk != new_rps->ecclk)) { 995 /* turn the clocks on when encoding, off otherwise */ 996 if (new_rps->evclk || new_rps->ecclk) 997 vce_v1_0_enable_mgcg(rdev, false); 998 else 999 vce_v1_0_enable_mgcg(rdev, true); 1000 radeon_set_vce_clocks(rdev, new_rps->evclk, new_rps->ecclk); 1001 } 1002 } 1003 1004 static void trinity_program_ttt(struct radeon_device *rdev) 1005 { 1006 struct trinity_power_info *pi = trinity_get_pi(rdev); 1007 u32 value = RREG32_SMC(SMU_SCLK_DPM_TTT); 1008 1009 value &= ~(HT_MASK | LT_MASK); 1010 value |= HT((pi->thermal_auto_throttling + 49) * 8); 1011 value |= LT((pi->thermal_auto_throttling + 49 - pi->sys_info.htc_hyst_lmt) * 8); 1012 WREG32_SMC(SMU_SCLK_DPM_TTT, value); 1013 } 1014 1015 static void trinity_enable_att(struct radeon_device *rdev) 1016 { 1017 u32 value = RREG32_SMC(SMU_SCLK_DPM_TT_CNTL); 1018 1019 value &= ~SCLK_TT_EN_MASK; 1020 value |= SCLK_TT_EN(1); 1021 WREG32_SMC(SMU_SCLK_DPM_TT_CNTL, value); 1022 } 1023 1024 static void trinity_program_sclk_dpm(struct radeon_device *rdev) 1025 { 1026 u32 p, u; 1027 u32 tp = RREG32_SMC(PM_TP); 1028 u32 ni; 1029 u32 xclk = radeon_get_xclk(rdev); 1030 u32 value; 1031 1032 r600_calculate_u_and_p(400, xclk, 16, &p, &u); 1033 1034 ni = (p + tp - 1) / tp; 1035 1036 value = RREG32_SMC(PM_I_CNTL_1); 1037 value &= ~SCLK_DPM_MASK; 1038 value |= SCLK_DPM(ni); 1039 WREG32_SMC(PM_I_CNTL_1, value); 1040 } 1041 1042 static int trinity_set_thermal_temperature_range(struct radeon_device *rdev, 1043 int min_temp, int max_temp) 1044 { 1045 int low_temp = 0 * 1000; 1046 int high_temp = 255 * 1000; 1047 1048 if (low_temp < min_temp) 1049 low_temp = min_temp; 1050 if (high_temp > max_temp) 1051 high_temp = max_temp; 1052 if (high_temp < low_temp) { 1053 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); 1054 return -EINVAL; 1055 } 1056 1057 WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK); 1058 WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK); 1059 1060 rdev->pm.dpm.thermal.min_temp = low_temp; 1061 rdev->pm.dpm.thermal.max_temp = high_temp; 1062 1063 return 0; 1064 } 1065 1066 static void trinity_update_current_ps(struct radeon_device *rdev, 1067 struct radeon_ps *rps) 1068 { 1069 struct trinity_ps *new_ps = trinity_get_ps(rps); 1070 struct trinity_power_info *pi = trinity_get_pi(rdev); 1071 1072 pi->current_rps = *rps; 1073 pi->current_ps = *new_ps; 1074 pi->current_rps.ps_priv = &pi->current_ps; 1075 } 1076 1077 static void trinity_update_requested_ps(struct radeon_device *rdev, 1078 struct radeon_ps *rps) 1079 { 1080 struct trinity_ps *new_ps = trinity_get_ps(rps); 1081 struct trinity_power_info *pi = trinity_get_pi(rdev); 1082 1083 pi->requested_rps = *rps; 1084 pi->requested_ps = *new_ps; 1085 pi->requested_rps.ps_priv = &pi->requested_ps; 1086 } 1087 1088 void trinity_dpm_enable_bapm(struct radeon_device *rdev, bool enable) 1089 { 1090 struct trinity_power_info *pi = trinity_get_pi(rdev); 1091 1092 if (pi->enable_bapm) { 1093 trinity_acquire_mutex(rdev); 1094 trinity_dpm_bapm_enable(rdev, enable); 1095 trinity_release_mutex(rdev); 1096 } 1097 } 1098 1099 int trinity_dpm_enable(struct radeon_device *rdev) 1100 { 1101 struct trinity_power_info *pi = trinity_get_pi(rdev); 1102 1103 trinity_acquire_mutex(rdev); 1104 1105 if (trinity_dpm_enabled(rdev)) { 1106 trinity_release_mutex(rdev); 1107 return -EINVAL; 1108 } 1109 1110 trinity_program_bootup_state(rdev); 1111 sumo_program_vc(rdev, 0x00C00033); 1112 trinity_start_am(rdev); 1113 if (pi->enable_auto_thermal_throttling) { 1114 trinity_program_ttt(rdev); 1115 trinity_enable_att(rdev); 1116 } 1117 trinity_program_sclk_dpm(rdev); 1118 trinity_start_dpm(rdev); 1119 trinity_wait_for_dpm_enabled(rdev); 1120 trinity_dpm_bapm_enable(rdev, false); 1121 trinity_release_mutex(rdev); 1122 1123 trinity_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1124 1125 return 0; 1126 } 1127 1128 int trinity_dpm_late_enable(struct radeon_device *rdev) 1129 { 1130 int ret; 1131 1132 trinity_acquire_mutex(rdev); 1133 trinity_enable_clock_power_gating(rdev); 1134 1135 if (rdev->irq.installed && 1136 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1137 ret = trinity_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); 1138 if (ret) { 1139 trinity_release_mutex(rdev); 1140 return ret; 1141 } 1142 rdev->irq.dpm_thermal = true; 1143 radeon_irq_set(rdev); 1144 } 1145 trinity_release_mutex(rdev); 1146 1147 return 0; 1148 } 1149 1150 void trinity_dpm_disable(struct radeon_device *rdev) 1151 { 1152 trinity_acquire_mutex(rdev); 1153 if (!trinity_dpm_enabled(rdev)) { 1154 trinity_release_mutex(rdev); 1155 return; 1156 } 1157 trinity_dpm_bapm_enable(rdev, false); 1158 trinity_disable_clock_power_gating(rdev); 1159 sumo_clear_vc(rdev); 1160 trinity_wait_for_level_0(rdev); 1161 trinity_stop_dpm(rdev); 1162 trinity_reset_am(rdev); 1163 trinity_release_mutex(rdev); 1164 1165 if (rdev->irq.installed && 1166 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1167 rdev->irq.dpm_thermal = false; 1168 radeon_irq_set(rdev); 1169 } 1170 1171 trinity_update_current_ps(rdev, rdev->pm.dpm.boot_ps); 1172 } 1173 1174 static void trinity_get_min_sclk_divider(struct radeon_device *rdev) 1175 { 1176 struct trinity_power_info *pi = trinity_get_pi(rdev); 1177 1178 pi->min_sclk_did = 1179 (RREG32_SMC(CC_SMU_MISC_FUSES) & MinSClkDid_MASK) >> MinSClkDid_SHIFT; 1180 } 1181 1182 static void trinity_setup_nbp_sim(struct radeon_device *rdev, 1183 struct radeon_ps *rps) 1184 { 1185 struct trinity_power_info *pi = trinity_get_pi(rdev); 1186 struct trinity_ps *new_ps = trinity_get_ps(rps); 1187 u32 nbpsconfig; 1188 1189 if (pi->sys_info.nb_dpm_enable) { 1190 nbpsconfig = RREG32_SMC(NB_PSTATE_CONFIG); 1191 nbpsconfig &= ~(Dpm0PgNbPsLo_MASK | Dpm0PgNbPsHi_MASK | DpmXNbPsLo_MASK | DpmXNbPsHi_MASK); 1192 nbpsconfig |= (Dpm0PgNbPsLo(new_ps->Dpm0PgNbPsLo) | 1193 Dpm0PgNbPsHi(new_ps->Dpm0PgNbPsHi) | 1194 DpmXNbPsLo(new_ps->DpmXNbPsLo) | 1195 DpmXNbPsHi(new_ps->DpmXNbPsHi)); 1196 WREG32_SMC(NB_PSTATE_CONFIG, nbpsconfig); 1197 } 1198 } 1199 1200 int trinity_dpm_force_performance_level(struct radeon_device *rdev, 1201 enum radeon_dpm_forced_level level) 1202 { 1203 struct trinity_power_info *pi = trinity_get_pi(rdev); 1204 struct radeon_ps *rps = &pi->current_rps; 1205 struct trinity_ps *ps = trinity_get_ps(rps); 1206 int i, ret; 1207 1208 if (ps->num_levels <= 1) 1209 return 0; 1210 1211 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { 1212 /* not supported by the hw */ 1213 return -EINVAL; 1214 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { 1215 ret = trinity_dpm_n_levels_disabled(rdev, ps->num_levels - 1); 1216 if (ret) 1217 return ret; 1218 } else { 1219 for (i = 0; i < ps->num_levels; i++) { 1220 ret = trinity_dpm_n_levels_disabled(rdev, 0); 1221 if (ret) 1222 return ret; 1223 } 1224 } 1225 1226 rdev->pm.dpm.forced_level = level; 1227 1228 return 0; 1229 } 1230 1231 int trinity_dpm_pre_set_power_state(struct radeon_device *rdev) 1232 { 1233 struct trinity_power_info *pi = trinity_get_pi(rdev); 1234 struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps; 1235 struct radeon_ps *new_ps = &requested_ps; 1236 1237 trinity_update_requested_ps(rdev, new_ps); 1238 1239 trinity_apply_state_adjust_rules(rdev, 1240 &pi->requested_rps, 1241 &pi->current_rps); 1242 1243 return 0; 1244 } 1245 1246 int trinity_dpm_set_power_state(struct radeon_device *rdev) 1247 { 1248 struct trinity_power_info *pi = trinity_get_pi(rdev); 1249 struct radeon_ps *new_ps = &pi->requested_rps; 1250 struct radeon_ps *old_ps = &pi->current_rps; 1251 1252 trinity_acquire_mutex(rdev); 1253 if (pi->enable_dpm) { 1254 if (pi->enable_bapm) 1255 trinity_dpm_bapm_enable(rdev, rdev->pm.dpm.ac_power); 1256 trinity_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); 1257 trinity_enable_power_level_0(rdev); 1258 trinity_force_level_0(rdev); 1259 trinity_wait_for_level_0(rdev); 1260 trinity_setup_nbp_sim(rdev, new_ps); 1261 trinity_program_power_levels_0_to_n(rdev, new_ps, old_ps); 1262 trinity_force_level_0(rdev); 1263 trinity_unforce_levels(rdev); 1264 trinity_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); 1265 trinity_set_vce_clock(rdev, new_ps, old_ps); 1266 } 1267 trinity_release_mutex(rdev); 1268 1269 return 0; 1270 } 1271 1272 void trinity_dpm_post_set_power_state(struct radeon_device *rdev) 1273 { 1274 struct trinity_power_info *pi = trinity_get_pi(rdev); 1275 struct radeon_ps *new_ps = &pi->requested_rps; 1276 1277 trinity_update_current_ps(rdev, new_ps); 1278 } 1279 1280 void trinity_dpm_setup_asic(struct radeon_device *rdev) 1281 { 1282 trinity_acquire_mutex(rdev); 1283 sumo_program_sstp(rdev); 1284 sumo_take_smu_control(rdev, true); 1285 trinity_get_min_sclk_divider(rdev); 1286 trinity_release_mutex(rdev); 1287 } 1288 1289 #if 0 1290 void trinity_dpm_reset_asic(struct radeon_device *rdev) 1291 { 1292 struct trinity_power_info *pi = trinity_get_pi(rdev); 1293 1294 trinity_acquire_mutex(rdev); 1295 if (pi->enable_dpm) { 1296 trinity_enable_power_level_0(rdev); 1297 trinity_force_level_0(rdev); 1298 trinity_wait_for_level_0(rdev); 1299 trinity_program_bootup_state(rdev); 1300 trinity_force_level_0(rdev); 1301 trinity_unforce_levels(rdev); 1302 } 1303 trinity_release_mutex(rdev); 1304 } 1305 #endif 1306 1307 static u16 trinity_convert_voltage_index_to_value(struct radeon_device *rdev, 1308 u32 vid_2bit) 1309 { 1310 struct trinity_power_info *pi = trinity_get_pi(rdev); 1311 u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit); 1312 u32 svi_mode = (RREG32_SMC(PM_CONFIG) & SVI_Mode) ? 1 : 0; 1313 u32 step = (svi_mode == 0) ? 1250 : 625; 1314 u32 delta = vid_7bit * step + 50; 1315 1316 if (delta > 155000) 1317 return 0; 1318 1319 return (155000 - delta) / 100; 1320 } 1321 1322 static void trinity_patch_boot_state(struct radeon_device *rdev, 1323 struct trinity_ps *ps) 1324 { 1325 struct trinity_power_info *pi = trinity_get_pi(rdev); 1326 1327 ps->num_levels = 1; 1328 ps->nbps_flags = 0; 1329 ps->bapm_flags = 0; 1330 ps->levels[0] = pi->boot_pl; 1331 } 1332 1333 static u8 trinity_calculate_vce_wm(struct radeon_device *rdev, u32 sclk) 1334 { 1335 if (sclk < 20000) 1336 return 1; 1337 return 0; 1338 } 1339 1340 static void trinity_construct_boot_state(struct radeon_device *rdev) 1341 { 1342 struct trinity_power_info *pi = trinity_get_pi(rdev); 1343 1344 pi->boot_pl.sclk = pi->sys_info.bootup_sclk; 1345 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index; 1346 pi->boot_pl.ds_divider_index = 0; 1347 pi->boot_pl.ss_divider_index = 0; 1348 pi->boot_pl.allow_gnb_slow = 1; 1349 pi->boot_pl.force_nbp_state = 0; 1350 pi->boot_pl.display_wm = 0; 1351 pi->boot_pl.vce_wm = 0; 1352 pi->current_ps.num_levels = 1; 1353 pi->current_ps.levels[0] = pi->boot_pl; 1354 } 1355 1356 static u8 trinity_get_sleep_divider_id_from_clock(struct radeon_device *rdev, 1357 u32 sclk, u32 min_sclk_in_sr) 1358 { 1359 struct trinity_power_info *pi = trinity_get_pi(rdev); 1360 u32 i; 1361 u32 temp; 1362 u32 min = (min_sclk_in_sr > TRINITY_MINIMUM_ENGINE_CLOCK) ? 1363 min_sclk_in_sr : TRINITY_MINIMUM_ENGINE_CLOCK; 1364 1365 if (sclk < min) 1366 return 0; 1367 1368 if (!pi->enable_sclk_ds) 1369 return 0; 1370 1371 for (i = TRINITY_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) { 1372 temp = sclk / sumo_get_sleep_divider_from_id(i); 1373 if (temp >= min || i == 0) 1374 break; 1375 } 1376 1377 return (u8)i; 1378 } 1379 1380 static u32 trinity_get_valid_engine_clock(struct radeon_device *rdev, 1381 u32 lower_limit) 1382 { 1383 struct trinity_power_info *pi = trinity_get_pi(rdev); 1384 u32 i; 1385 1386 for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) { 1387 if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit) 1388 return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency; 1389 } 1390 1391 if (i == pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries) 1392 DRM_ERROR("engine clock out of range!"); 1393 1394 return 0; 1395 } 1396 1397 static void trinity_patch_thermal_state(struct radeon_device *rdev, 1398 struct trinity_ps *ps, 1399 struct trinity_ps *current_ps) 1400 { 1401 struct trinity_power_info *pi = trinity_get_pi(rdev); 1402 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1403 u32 current_vddc; 1404 u32 current_sclk; 1405 u32 current_index = 0; 1406 1407 if (current_ps) { 1408 current_vddc = current_ps->levels[current_index].vddc_index; 1409 current_sclk = current_ps->levels[current_index].sclk; 1410 } else { 1411 current_vddc = pi->boot_pl.vddc_index; 1412 current_sclk = pi->boot_pl.sclk; 1413 } 1414 1415 ps->levels[0].vddc_index = current_vddc; 1416 1417 if (ps->levels[0].sclk > current_sclk) 1418 ps->levels[0].sclk = current_sclk; 1419 1420 ps->levels[0].ds_divider_index = 1421 trinity_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr); 1422 ps->levels[0].ss_divider_index = ps->levels[0].ds_divider_index; 1423 ps->levels[0].allow_gnb_slow = 1; 1424 ps->levels[0].force_nbp_state = 0; 1425 ps->levels[0].display_wm = 0; 1426 ps->levels[0].vce_wm = 1427 trinity_calculate_vce_wm(rdev, ps->levels[0].sclk); 1428 } 1429 1430 static u8 trinity_calculate_display_wm(struct radeon_device *rdev, 1431 struct trinity_ps *ps, u32 index) 1432 { 1433 if (ps == NULL || ps->num_levels <= 1) 1434 return 0; 1435 else if (ps->num_levels == 2) { 1436 if (index == 0) 1437 return 0; 1438 else 1439 return 1; 1440 } else { 1441 if (index == 0) 1442 return 0; 1443 else if (ps->levels[index].sclk < 30000) 1444 return 0; 1445 else 1446 return 1; 1447 } 1448 } 1449 1450 static u32 trinity_get_uvd_clock_index(struct radeon_device *rdev, 1451 struct radeon_ps *rps) 1452 { 1453 struct trinity_power_info *pi = trinity_get_pi(rdev); 1454 u32 i = 0; 1455 1456 for (i = 0; i < 4; i++) { 1457 if ((rps->vclk == pi->sys_info.uvd_clock_table_entries[i].vclk) && 1458 (rps->dclk == pi->sys_info.uvd_clock_table_entries[i].dclk)) 1459 break; 1460 } 1461 1462 if (i >= 4) { 1463 DRM_ERROR("UVD clock index not found!\n"); 1464 i = 3; 1465 } 1466 return i; 1467 } 1468 1469 static void trinity_adjust_uvd_state(struct radeon_device *rdev, 1470 struct radeon_ps *rps) 1471 { 1472 struct trinity_ps *ps = trinity_get_ps(rps); 1473 struct trinity_power_info *pi = trinity_get_pi(rdev); 1474 u32 high_index = 0; 1475 u32 low_index = 0; 1476 1477 if (pi->uvd_dpm && r600_is_uvd_state(rps->class, rps->class2)) { 1478 high_index = trinity_get_uvd_clock_index(rdev, rps); 1479 1480 switch(high_index) { 1481 case 3: 1482 case 2: 1483 low_index = 1; 1484 break; 1485 case 1: 1486 case 0: 1487 default: 1488 low_index = 0; 1489 break; 1490 } 1491 1492 ps->vclk_low_divider = 1493 pi->sys_info.uvd_clock_table_entries[high_index].vclk_did; 1494 ps->dclk_low_divider = 1495 pi->sys_info.uvd_clock_table_entries[high_index].dclk_did; 1496 ps->vclk_high_divider = 1497 pi->sys_info.uvd_clock_table_entries[low_index].vclk_did; 1498 ps->dclk_high_divider = 1499 pi->sys_info.uvd_clock_table_entries[low_index].dclk_did; 1500 } 1501 } 1502 1503 static int trinity_get_vce_clock_voltage(struct radeon_device *rdev, 1504 u32 evclk, u32 ecclk, u16 *voltage) 1505 { 1506 u32 i; 1507 int ret = -EINVAL; 1508 struct radeon_vce_clock_voltage_dependency_table *table = 1509 &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 1510 1511 if (((evclk == 0) && (ecclk == 0)) || 1512 (table && (table->count == 0))) { 1513 *voltage = 0; 1514 return 0; 1515 } 1516 1517 for (i = 0; i < table->count; i++) { 1518 if ((evclk <= table->entries[i].evclk) && 1519 (ecclk <= table->entries[i].ecclk)) { 1520 *voltage = table->entries[i].v; 1521 ret = 0; 1522 break; 1523 } 1524 } 1525 1526 /* if no match return the highest voltage */ 1527 if (ret) 1528 *voltage = table->entries[table->count - 1].v; 1529 1530 return ret; 1531 } 1532 1533 static void trinity_apply_state_adjust_rules(struct radeon_device *rdev, 1534 struct radeon_ps *new_rps, 1535 struct radeon_ps *old_rps) 1536 { 1537 struct trinity_ps *ps = trinity_get_ps(new_rps); 1538 struct trinity_ps *current_ps = trinity_get_ps(old_rps); 1539 struct trinity_power_info *pi = trinity_get_pi(rdev); 1540 u32 min_voltage = 0; /* ??? */ 1541 u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */ 1542 u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */ 1543 u32 i; 1544 u16 min_vce_voltage; 1545 bool force_high; 1546 u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count; 1547 1548 if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) 1549 return trinity_patch_thermal_state(rdev, ps, current_ps); 1550 1551 trinity_adjust_uvd_state(rdev, new_rps); 1552 1553 if (new_rps->vce_active) { 1554 new_rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk; 1555 new_rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk; 1556 } else { 1557 new_rps->evclk = 0; 1558 new_rps->ecclk = 0; 1559 } 1560 1561 for (i = 0; i < ps->num_levels; i++) { 1562 if (ps->levels[i].vddc_index < min_voltage) 1563 ps->levels[i].vddc_index = min_voltage; 1564 1565 if (ps->levels[i].sclk < min_sclk) 1566 ps->levels[i].sclk = 1567 trinity_get_valid_engine_clock(rdev, min_sclk); 1568 1569 /* patch in vce limits */ 1570 if (new_rps->vce_active) { 1571 /* sclk */ 1572 if (ps->levels[i].sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk) 1573 ps->levels[i].sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk; 1574 /* vddc */ 1575 trinity_get_vce_clock_voltage(rdev, new_rps->evclk, new_rps->ecclk, &min_vce_voltage); 1576 if (ps->levels[i].vddc_index < min_vce_voltage) 1577 ps->levels[i].vddc_index = min_vce_voltage; 1578 } 1579 1580 ps->levels[i].ds_divider_index = 1581 sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr); 1582 1583 ps->levels[i].ss_divider_index = ps->levels[i].ds_divider_index; 1584 1585 ps->levels[i].allow_gnb_slow = 1; 1586 ps->levels[i].force_nbp_state = 0; 1587 ps->levels[i].display_wm = 1588 trinity_calculate_display_wm(rdev, ps, i); 1589 ps->levels[i].vce_wm = 1590 trinity_calculate_vce_wm(rdev, ps->levels[0].sclk); 1591 } 1592 1593 if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) || 1594 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) 1595 ps->bapm_flags |= TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE; 1596 1597 if (pi->sys_info.nb_dpm_enable) { 1598 ps->Dpm0PgNbPsLo = 0x1; 1599 ps->Dpm0PgNbPsHi = 0x0; 1600 ps->DpmXNbPsLo = 0x2; 1601 ps->DpmXNbPsHi = 0x1; 1602 1603 if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) || 1604 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) { 1605 force_high = ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) || 1606 ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) && 1607 (pi->sys_info.uma_channel_number == 1))); 1608 force_high = (num_active_displays >= 3) || force_high; 1609 ps->Dpm0PgNbPsLo = force_high ? 0x2 : 0x3; 1610 ps->Dpm0PgNbPsHi = 0x1; 1611 ps->DpmXNbPsLo = force_high ? 0x2 : 0x3; 1612 ps->DpmXNbPsHi = 0x2; 1613 ps->levels[ps->num_levels - 1].allow_gnb_slow = 0; 1614 } 1615 } 1616 } 1617 1618 static void trinity_cleanup_asic(struct radeon_device *rdev) 1619 { 1620 sumo_take_smu_control(rdev, false); 1621 } 1622 1623 #if 0 1624 static void trinity_pre_display_configuration_change(struct radeon_device *rdev) 1625 { 1626 struct trinity_power_info *pi = trinity_get_pi(rdev); 1627 1628 if (pi->voltage_drop_in_dce) 1629 trinity_dce_enable_voltage_adjustment(rdev, false); 1630 } 1631 #endif 1632 1633 static void trinity_add_dccac_value(struct radeon_device *rdev) 1634 { 1635 u32 gpu_cac_avrg_cntl_window_size; 1636 u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count; 1637 u64 disp_clk = rdev->clock.default_dispclk / 100; 1638 u32 dc_cac_value; 1639 1640 gpu_cac_avrg_cntl_window_size = 1641 (RREG32_SMC(GPU_CAC_AVRG_CNTL) & WINDOW_SIZE_MASK) >> WINDOW_SIZE_SHIFT; 1642 1643 dc_cac_value = (u32)((14213 * disp_clk * disp_clk * (u64)num_active_displays) >> 1644 (32 - gpu_cac_avrg_cntl_window_size)); 1645 1646 WREG32_SMC(DC_CAC_VALUE, dc_cac_value); 1647 } 1648 1649 void trinity_dpm_display_configuration_changed(struct radeon_device *rdev) 1650 { 1651 struct trinity_power_info *pi = trinity_get_pi(rdev); 1652 1653 if (pi->voltage_drop_in_dce) 1654 trinity_dce_enable_voltage_adjustment(rdev, true); 1655 trinity_add_dccac_value(rdev); 1656 } 1657 1658 union power_info { 1659 struct _ATOM_POWERPLAY_INFO info; 1660 struct _ATOM_POWERPLAY_INFO_V2 info_2; 1661 struct _ATOM_POWERPLAY_INFO_V3 info_3; 1662 struct _ATOM_PPLIB_POWERPLAYTABLE pplib; 1663 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; 1664 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; 1665 }; 1666 1667 union pplib_clock_info { 1668 struct _ATOM_PPLIB_R600_CLOCK_INFO r600; 1669 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; 1670 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; 1671 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; 1672 }; 1673 1674 union pplib_power_state { 1675 struct _ATOM_PPLIB_STATE v1; 1676 struct _ATOM_PPLIB_STATE_V2 v2; 1677 }; 1678 1679 static void trinity_parse_pplib_non_clock_info(struct radeon_device *rdev, 1680 struct radeon_ps *rps, 1681 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, 1682 u8 table_rev) 1683 { 1684 struct trinity_ps *ps = trinity_get_ps(rps); 1685 1686 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); 1687 rps->class = le16_to_cpu(non_clock_info->usClassification); 1688 rps->class2 = le16_to_cpu(non_clock_info->usClassification2); 1689 1690 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { 1691 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); 1692 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); 1693 } else { 1694 rps->vclk = 0; 1695 rps->dclk = 0; 1696 } 1697 1698 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { 1699 rdev->pm.dpm.boot_ps = rps; 1700 trinity_patch_boot_state(rdev, ps); 1701 } 1702 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) 1703 rdev->pm.dpm.uvd_ps = rps; 1704 } 1705 1706 static void trinity_parse_pplib_clock_info(struct radeon_device *rdev, 1707 struct radeon_ps *rps, int index, 1708 union pplib_clock_info *clock_info) 1709 { 1710 struct trinity_power_info *pi = trinity_get_pi(rdev); 1711 struct trinity_ps *ps = trinity_get_ps(rps); 1712 struct trinity_pl *pl = &ps->levels[index]; 1713 u32 sclk; 1714 1715 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1716 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1717 pl->sclk = sclk; 1718 pl->vddc_index = clock_info->sumo.vddcIndex; 1719 1720 ps->num_levels = index + 1; 1721 1722 if (pi->enable_sclk_ds) { 1723 pl->ds_divider_index = 5; 1724 pl->ss_divider_index = 5; 1725 } 1726 } 1727 1728 static int trinity_parse_power_table(struct radeon_device *rdev) 1729 { 1730 struct radeon_mode_info *mode_info = &rdev->mode_info; 1731 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; 1732 union pplib_power_state *power_state; 1733 int i, j, k, non_clock_array_index, clock_array_index; 1734 union pplib_clock_info *clock_info; 1735 struct _StateArray *state_array; 1736 struct _ClockInfoArray *clock_info_array; 1737 struct _NonClockInfoArray *non_clock_info_array; 1738 union power_info *power_info; 1739 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); 1740 u16 data_offset; 1741 u8 frev, crev; 1742 u8 *power_state_offset; 1743 struct sumo_ps *ps; 1744 1745 if (!atom_parse_data_header(mode_info->atom_context, index, NULL, 1746 &frev, &crev, &data_offset)) 1747 return -EINVAL; 1748 power_info = (union power_info *)((uint8_t*)mode_info->atom_context->bios + data_offset); 1749 1750 state_array = (struct _StateArray *) 1751 ((uint8_t*)mode_info->atom_context->bios + data_offset + 1752 le16_to_cpu(power_info->pplib.usStateArrayOffset)); 1753 clock_info_array = (struct _ClockInfoArray *) 1754 ((uint8_t*)mode_info->atom_context->bios + data_offset + 1755 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); 1756 non_clock_info_array = (struct _NonClockInfoArray *) 1757 ((uint8_t*)mode_info->atom_context->bios + data_offset + 1758 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); 1759 1760 rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) * 1761 state_array->ucNumEntries, GFP_KERNEL); 1762 if (!rdev->pm.dpm.ps) 1763 return -ENOMEM; 1764 power_state_offset = (u8 *)state_array->states; 1765 for (i = 0; i < state_array->ucNumEntries; i++) { 1766 u8 *idx; 1767 power_state = (union pplib_power_state *)power_state_offset; 1768 non_clock_array_index = power_state->v2.nonClockInfoIndex; 1769 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) 1770 &non_clock_info_array->nonClockInfo[non_clock_array_index]; 1771 if (!rdev->pm.power_state[i].clock_info) 1772 return -EINVAL; 1773 ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); 1774 if (ps == NULL) { 1775 kfree(rdev->pm.dpm.ps); 1776 return -ENOMEM; 1777 } 1778 rdev->pm.dpm.ps[i].ps_priv = ps; 1779 k = 0; 1780 idx = (u8 *)&power_state->v2.clockInfoIndex[0]; 1781 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { 1782 clock_array_index = idx[j]; 1783 if (clock_array_index >= clock_info_array->ucNumEntries) 1784 continue; 1785 if (k >= SUMO_MAX_HARDWARE_POWERLEVELS) 1786 break; 1787 clock_info = (union pplib_clock_info *) 1788 ((u8 *)&clock_info_array->clockInfo[0] + 1789 (clock_array_index * clock_info_array->ucEntrySize)); 1790 trinity_parse_pplib_clock_info(rdev, 1791 &rdev->pm.dpm.ps[i], k, 1792 clock_info); 1793 k++; 1794 } 1795 trinity_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], 1796 non_clock_info, 1797 non_clock_info_array->ucEntrySize); 1798 power_state_offset += 2 + power_state->v2.ucNumDPMLevels; 1799 } 1800 rdev->pm.dpm.num_ps = state_array->ucNumEntries; 1801 1802 /* fill in the vce power states */ 1803 for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) { 1804 u32 sclk; 1805 clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx; 1806 clock_info = (union pplib_clock_info *) 1807 &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize]; 1808 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 1809 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 1810 rdev->pm.dpm.vce_states[i].sclk = sclk; 1811 rdev->pm.dpm.vce_states[i].mclk = 0; 1812 } 1813 1814 return 0; 1815 } 1816 1817 union igp_info { 1818 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 1819 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 1820 struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5; 1821 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 1822 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7; 1823 }; 1824 1825 static u32 trinity_convert_did_to_freq(struct radeon_device *rdev, u8 did) 1826 { 1827 struct trinity_power_info *pi = trinity_get_pi(rdev); 1828 u32 divider; 1829 1830 if (did >= 8 && did <= 0x3f) 1831 divider = did * 25; 1832 else if (did > 0x3f && did <= 0x5f) 1833 divider = (did - 64) * 50 + 1600; 1834 else if (did > 0x5f && did <= 0x7e) 1835 divider = (did - 96) * 100 + 3200; 1836 else if (did == 0x7f) 1837 divider = 128 * 100; 1838 else 1839 return 10000; 1840 1841 return ((pi->sys_info.dentist_vco_freq * 100) + (divider - 1)) / divider; 1842 } 1843 1844 static int trinity_parse_sys_info_table(struct radeon_device *rdev) 1845 { 1846 struct trinity_power_info *pi = trinity_get_pi(rdev); 1847 struct radeon_mode_info *mode_info = &rdev->mode_info; 1848 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 1849 union igp_info *igp_info; 1850 u8 frev, crev; 1851 u16 data_offset; 1852 int i; 1853 1854 if (atom_parse_data_header(mode_info->atom_context, index, NULL, 1855 &frev, &crev, &data_offset)) { 1856 igp_info = (union igp_info *)((uint8_t*)mode_info->atom_context->bios + 1857 data_offset); 1858 1859 if (crev != 7) { 1860 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 1861 return -EINVAL; 1862 } 1863 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_7.ulBootUpEngineClock); 1864 pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_7.ulMinEngineClock); 1865 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_7.ulBootUpUMAClock); 1866 pi->sys_info.dentist_vco_freq = le32_to_cpu(igp_info->info_7.ulDentistVCOFreq); 1867 pi->sys_info.bootup_nb_voltage_index = 1868 le16_to_cpu(igp_info->info_7.usBootUpNBVoltage); 1869 if (igp_info->info_7.ucHtcTmpLmt == 0) 1870 pi->sys_info.htc_tmp_lmt = 203; 1871 else 1872 pi->sys_info.htc_tmp_lmt = igp_info->info_7.ucHtcTmpLmt; 1873 if (igp_info->info_7.ucHtcHystLmt == 0) 1874 pi->sys_info.htc_hyst_lmt = 5; 1875 else 1876 pi->sys_info.htc_hyst_lmt = igp_info->info_7.ucHtcHystLmt; 1877 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) { 1878 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n"); 1879 } 1880 1881 if (pi->enable_nbps_policy) 1882 pi->sys_info.nb_dpm_enable = igp_info->info_7.ucNBDPMEnable; 1883 else 1884 pi->sys_info.nb_dpm_enable = 0; 1885 1886 for (i = 0; i < TRINITY_NUM_NBPSTATES; i++) { 1887 pi->sys_info.nbp_mclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateMemclkFreq[i]); 1888 pi->sys_info.nbp_nclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateNClkFreq[i]); 1889 } 1890 1891 pi->sys_info.nbp_voltage_index[0] = le16_to_cpu(igp_info->info_7.usNBP0Voltage); 1892 pi->sys_info.nbp_voltage_index[1] = le16_to_cpu(igp_info->info_7.usNBP1Voltage); 1893 pi->sys_info.nbp_voltage_index[2] = le16_to_cpu(igp_info->info_7.usNBP2Voltage); 1894 pi->sys_info.nbp_voltage_index[3] = le16_to_cpu(igp_info->info_7.usNBP3Voltage); 1895 1896 if (!pi->sys_info.nb_dpm_enable) { 1897 for (i = 1; i < TRINITY_NUM_NBPSTATES; i++) { 1898 pi->sys_info.nbp_mclk[i] = pi->sys_info.nbp_mclk[0]; 1899 pi->sys_info.nbp_nclk[i] = pi->sys_info.nbp_nclk[0]; 1900 pi->sys_info.nbp_voltage_index[i] = pi->sys_info.nbp_voltage_index[0]; 1901 } 1902 } 1903 1904 pi->sys_info.uma_channel_number = igp_info->info_7.ucUMAChannelNumber; 1905 1906 sumo_construct_sclk_voltage_mapping_table(rdev, 1907 &pi->sys_info.sclk_voltage_mapping_table, 1908 igp_info->info_7.sAvail_SCLK); 1909 sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table, 1910 igp_info->info_7.sAvail_SCLK); 1911 1912 pi->sys_info.uvd_clock_table_entries[0].vclk_did = 1913 igp_info->info_7.ucDPMState0VclkFid; 1914 pi->sys_info.uvd_clock_table_entries[1].vclk_did = 1915 igp_info->info_7.ucDPMState1VclkFid; 1916 pi->sys_info.uvd_clock_table_entries[2].vclk_did = 1917 igp_info->info_7.ucDPMState2VclkFid; 1918 pi->sys_info.uvd_clock_table_entries[3].vclk_did = 1919 igp_info->info_7.ucDPMState3VclkFid; 1920 1921 pi->sys_info.uvd_clock_table_entries[0].dclk_did = 1922 igp_info->info_7.ucDPMState0DclkFid; 1923 pi->sys_info.uvd_clock_table_entries[1].dclk_did = 1924 igp_info->info_7.ucDPMState1DclkFid; 1925 pi->sys_info.uvd_clock_table_entries[2].dclk_did = 1926 igp_info->info_7.ucDPMState2DclkFid; 1927 pi->sys_info.uvd_clock_table_entries[3].dclk_did = 1928 igp_info->info_7.ucDPMState3DclkFid; 1929 1930 for (i = 0; i < 4; i++) { 1931 pi->sys_info.uvd_clock_table_entries[i].vclk = 1932 trinity_convert_did_to_freq(rdev, 1933 pi->sys_info.uvd_clock_table_entries[i].vclk_did); 1934 pi->sys_info.uvd_clock_table_entries[i].dclk = 1935 trinity_convert_did_to_freq(rdev, 1936 pi->sys_info.uvd_clock_table_entries[i].dclk_did); 1937 } 1938 1939 1940 1941 } 1942 return 0; 1943 } 1944 1945 int trinity_dpm_init(struct radeon_device *rdev) 1946 { 1947 struct trinity_power_info *pi; 1948 int ret, i; 1949 1950 pi = kzalloc(sizeof(struct trinity_power_info), GFP_KERNEL); 1951 if (pi == NULL) 1952 return -ENOMEM; 1953 rdev->pm.dpm.priv = pi; 1954 1955 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) 1956 pi->at[i] = TRINITY_AT_DFLT; 1957 1958 if (radeon_bapm == -1) { 1959 /* There are stability issues reported on with 1960 * bapm enabled when switching between AC and battery 1961 * power. At the same time, some MSI boards hang 1962 * if it's not enabled and dpm is enabled. Just enable 1963 * it for MSI boards right now. 1964 */ 1965 if (rdev->pdev->subsystem_vendor == 0x1462) 1966 pi->enable_bapm = true; 1967 else 1968 pi->enable_bapm = false; 1969 } else if (radeon_bapm == 0) { 1970 pi->enable_bapm = false; 1971 } else { 1972 pi->enable_bapm = true; 1973 } 1974 pi->enable_nbps_policy = true; 1975 pi->enable_sclk_ds = true; 1976 pi->enable_gfx_power_gating = true; 1977 pi->enable_gfx_clock_gating = true; 1978 pi->enable_mg_clock_gating = false; 1979 pi->enable_gfx_dynamic_mgpg = false; 1980 pi->override_dynamic_mgpg = false; 1981 pi->enable_auto_thermal_throttling = true; 1982 pi->voltage_drop_in_dce = false; /* need to restructure dpm/modeset interaction */ 1983 pi->uvd_dpm = true; /* ??? */ 1984 1985 ret = trinity_parse_sys_info_table(rdev); 1986 if (ret) 1987 return ret; 1988 1989 trinity_construct_boot_state(rdev); 1990 1991 ret = r600_get_platform_caps(rdev); 1992 if (ret) 1993 return ret; 1994 1995 ret = r600_parse_extended_power_table(rdev); 1996 if (ret) 1997 return ret; 1998 1999 ret = trinity_parse_power_table(rdev); 2000 if (ret) 2001 return ret; 2002 2003 pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt; 2004 pi->enable_dpm = true; 2005 2006 return 0; 2007 } 2008 2009 void trinity_dpm_print_power_state(struct radeon_device *rdev, 2010 struct radeon_ps *rps) 2011 { 2012 int i; 2013 struct trinity_ps *ps = trinity_get_ps(rps); 2014 2015 r600_dpm_print_class_info(rps->class, rps->class2); 2016 r600_dpm_print_cap_info(rps->caps); 2017 printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 2018 for (i = 0; i < ps->num_levels; i++) { 2019 struct trinity_pl *pl = &ps->levels[i]; 2020 printk("\t\tpower level %d sclk: %u vddc: %u\n", 2021 i, pl->sclk, 2022 trinity_convert_voltage_index_to_value(rdev, pl->vddc_index)); 2023 } 2024 r600_dpm_print_ps_status(rdev, rps); 2025 } 2026 2027 void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, 2028 struct seq_file *m) 2029 { 2030 struct trinity_power_info *pi = trinity_get_pi(rdev); 2031 struct radeon_ps *rps = &pi->current_rps; 2032 struct trinity_ps *ps = trinity_get_ps(rps); 2033 struct trinity_pl *pl; 2034 u32 current_index = 2035 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> 2036 CURRENT_STATE_SHIFT; 2037 2038 if (current_index >= ps->num_levels) { 2039 seq_printf(m, "invalid dpm profile %d\n", current_index); 2040 } else { 2041 pl = &ps->levels[current_index]; 2042 seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 2043 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 2044 current_index, pl->sclk, 2045 trinity_convert_voltage_index_to_value(rdev, pl->vddc_index)); 2046 } 2047 } 2048 2049 u32 trinity_dpm_get_current_sclk(struct radeon_device *rdev) 2050 { 2051 struct trinity_power_info *pi = trinity_get_pi(rdev); 2052 struct radeon_ps *rps = &pi->current_rps; 2053 struct trinity_ps *ps = trinity_get_ps(rps); 2054 struct trinity_pl *pl; 2055 u32 current_index = 2056 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> 2057 CURRENT_STATE_SHIFT; 2058 2059 if (current_index >= ps->num_levels) { 2060 return 0; 2061 } else { 2062 pl = &ps->levels[current_index]; 2063 return pl->sclk; 2064 } 2065 } 2066 2067 u32 trinity_dpm_get_current_mclk(struct radeon_device *rdev) 2068 { 2069 struct trinity_power_info *pi = trinity_get_pi(rdev); 2070 2071 return pi->sys_info.bootup_uma_clk; 2072 } 2073 2074 void trinity_dpm_fini(struct radeon_device *rdev) 2075 { 2076 int i; 2077 2078 trinity_cleanup_asic(rdev); /* ??? */ 2079 2080 for (i = 0; i < rdev->pm.dpm.num_ps; i++) { 2081 kfree(rdev->pm.dpm.ps[i].ps_priv); 2082 } 2083 kfree(rdev->pm.dpm.ps); 2084 kfree(rdev->pm.dpm.priv); 2085 r600_free_extended_power_table(rdev); 2086 } 2087 2088 u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low) 2089 { 2090 struct trinity_power_info *pi = trinity_get_pi(rdev); 2091 struct trinity_ps *requested_state = trinity_get_ps(&pi->requested_rps); 2092 2093 if (low) 2094 return requested_state->levels[0].sclk; 2095 else 2096 return requested_state->levels[requested_state->num_levels - 1].sclk; 2097 } 2098 2099 u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low) 2100 { 2101 struct trinity_power_info *pi = trinity_get_pi(rdev); 2102 2103 return pi->sys_info.bootup_uma_clk; 2104 } 2105