1 /* 2 * Copyright 2012 Red Hat 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 * Authors: Ben Skeggs 23 */ 24 #include "nv50.h" 25 26 #include <core/client.h> 27 #include <core/device.h> 28 #include <core/handle.h> 29 #include <engine/fifo.h> 30 #include <subdev/timer.h> 31 32 struct nv50_gr_priv { 33 struct nvkm_gr base; 34 spinlock_t lock; 35 u32 size; 36 }; 37 38 struct nv50_gr_chan { 39 struct nvkm_gr_chan base; 40 }; 41 42 static u64 43 nv50_gr_units(struct nvkm_gr *gr) 44 { 45 struct nv50_gr_priv *priv = (void *)gr; 46 47 return nv_rd32(priv, 0x1540); 48 } 49 50 /******************************************************************************* 51 * Graphics object classes 52 ******************************************************************************/ 53 54 static int 55 nv50_gr_object_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 56 struct nvkm_oclass *oclass, void *data, u32 size, 57 struct nvkm_object **pobject) 58 { 59 struct nvkm_gpuobj *obj; 60 int ret; 61 62 ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent, 63 16, 16, 0, &obj); 64 *pobject = nv_object(obj); 65 if (ret) 66 return ret; 67 68 nv_wo32(obj, 0x00, nv_mclass(obj)); 69 nv_wo32(obj, 0x04, 0x00000000); 70 nv_wo32(obj, 0x08, 0x00000000); 71 nv_wo32(obj, 0x0c, 0x00000000); 72 return 0; 73 } 74 75 static struct nvkm_ofuncs 76 nv50_gr_ofuncs = { 77 .ctor = nv50_gr_object_ctor, 78 .dtor = _nvkm_gpuobj_dtor, 79 .init = _nvkm_gpuobj_init, 80 .fini = _nvkm_gpuobj_fini, 81 .rd32 = _nvkm_gpuobj_rd32, 82 .wr32 = _nvkm_gpuobj_wr32, 83 }; 84 85 static struct nvkm_oclass 86 nv50_gr_sclass[] = { 87 { 0x0030, &nv50_gr_ofuncs }, 88 { 0x502d, &nv50_gr_ofuncs }, 89 { 0x5039, &nv50_gr_ofuncs }, 90 { 0x5097, &nv50_gr_ofuncs }, 91 { 0x50c0, &nv50_gr_ofuncs }, 92 {} 93 }; 94 95 static struct nvkm_oclass 96 g84_gr_sclass[] = { 97 { 0x0030, &nv50_gr_ofuncs }, 98 { 0x502d, &nv50_gr_ofuncs }, 99 { 0x5039, &nv50_gr_ofuncs }, 100 { 0x50c0, &nv50_gr_ofuncs }, 101 { 0x8297, &nv50_gr_ofuncs }, 102 {} 103 }; 104 105 static struct nvkm_oclass 106 gt200_gr_sclass[] = { 107 { 0x0030, &nv50_gr_ofuncs }, 108 { 0x502d, &nv50_gr_ofuncs }, 109 { 0x5039, &nv50_gr_ofuncs }, 110 { 0x50c0, &nv50_gr_ofuncs }, 111 { 0x8397, &nv50_gr_ofuncs }, 112 {} 113 }; 114 115 static struct nvkm_oclass 116 gt215_gr_sclass[] = { 117 { 0x0030, &nv50_gr_ofuncs }, 118 { 0x502d, &nv50_gr_ofuncs }, 119 { 0x5039, &nv50_gr_ofuncs }, 120 { 0x50c0, &nv50_gr_ofuncs }, 121 { 0x8597, &nv50_gr_ofuncs }, 122 { 0x85c0, &nv50_gr_ofuncs }, 123 {} 124 }; 125 126 static struct nvkm_oclass 127 mcp89_gr_sclass[] = { 128 { 0x0030, &nv50_gr_ofuncs }, 129 { 0x502d, &nv50_gr_ofuncs }, 130 { 0x5039, &nv50_gr_ofuncs }, 131 { 0x50c0, &nv50_gr_ofuncs }, 132 { 0x85c0, &nv50_gr_ofuncs }, 133 { 0x8697, &nv50_gr_ofuncs }, 134 {} 135 }; 136 137 /******************************************************************************* 138 * PGRAPH context 139 ******************************************************************************/ 140 141 static int 142 nv50_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 143 struct nvkm_oclass *oclass, void *data, u32 size, 144 struct nvkm_object **pobject) 145 { 146 struct nv50_gr_priv *priv = (void *)engine; 147 struct nv50_gr_chan *chan; 148 int ret; 149 150 ret = nvkm_gr_context_create(parent, engine, oclass, NULL, priv->size, 151 0, NVOBJ_FLAG_ZERO_ALLOC, &chan); 152 *pobject = nv_object(chan); 153 if (ret) 154 return ret; 155 156 nv50_grctx_fill(nv_device(priv), nv_gpuobj(chan)); 157 return 0; 158 } 159 160 static struct nvkm_oclass 161 nv50_gr_cclass = { 162 .handle = NV_ENGCTX(GR, 0x50), 163 .ofuncs = &(struct nvkm_ofuncs) { 164 .ctor = nv50_gr_context_ctor, 165 .dtor = _nvkm_gr_context_dtor, 166 .init = _nvkm_gr_context_init, 167 .fini = _nvkm_gr_context_fini, 168 .rd32 = _nvkm_gr_context_rd32, 169 .wr32 = _nvkm_gr_context_wr32, 170 }, 171 }; 172 173 /******************************************************************************* 174 * PGRAPH engine/subdev functions 175 ******************************************************************************/ 176 177 static const struct nvkm_bitfield nv50_pgr_status[] = { 178 { 0x00000001, "BUSY" }, /* set when any bit is set */ 179 { 0x00000002, "DISPATCH" }, 180 { 0x00000004, "UNK2" }, 181 { 0x00000008, "UNK3" }, 182 { 0x00000010, "UNK4" }, 183 { 0x00000020, "UNK5" }, 184 { 0x00000040, "M2MF" }, 185 { 0x00000080, "UNK7" }, 186 { 0x00000100, "CTXPROG" }, 187 { 0x00000200, "VFETCH" }, 188 { 0x00000400, "CCACHE_PREGEOM" }, 189 { 0x00000800, "STRMOUT_VATTR_POSTGEOM" }, 190 { 0x00001000, "VCLIP" }, 191 { 0x00002000, "RATTR_APLANE" }, 192 { 0x00004000, "TRAST" }, 193 { 0x00008000, "CLIPID" }, 194 { 0x00010000, "ZCULL" }, 195 { 0x00020000, "ENG2D" }, 196 { 0x00040000, "RMASK" }, 197 { 0x00080000, "TPC_RAST" }, 198 { 0x00100000, "TPC_PROP" }, 199 { 0x00200000, "TPC_TEX" }, 200 { 0x00400000, "TPC_GEOM" }, 201 { 0x00800000, "TPC_MP" }, 202 { 0x01000000, "ROP" }, 203 {} 204 }; 205 206 static const char *const nv50_pgr_vstatus_0[] = { 207 "VFETCH", "CCACHE", "PREGEOM", "POSTGEOM", "VATTR", "STRMOUT", "VCLIP", 208 NULL 209 }; 210 211 static const char *const nv50_pgr_vstatus_1[] = { 212 "TPC_RAST", "TPC_PROP", "TPC_TEX", "TPC_GEOM", "TPC_MP", NULL 213 }; 214 215 static const char *const nv50_pgr_vstatus_2[] = { 216 "RATTR", "APLANE", "TRAST", "CLIPID", "ZCULL", "ENG2D", "RMASK", 217 "ROP", NULL 218 }; 219 220 static void 221 nvkm_pgr_vstatus_print(struct nv50_gr_priv *priv, int r, 222 const char *const units[], u32 status) 223 { 224 int i; 225 226 nv_error(priv, "PGRAPH_VSTATUS%d: 0x%08x", r, status); 227 228 for (i = 0; units[i] && status; i++) { 229 if ((status & 7) == 1) 230 pr_cont(" %s", units[i]); 231 status >>= 3; 232 } 233 if (status) 234 pr_cont(" (invalid: 0x%x)", status); 235 pr_cont("\n"); 236 } 237 238 static int 239 g84_gr_tlb_flush(struct nvkm_engine *engine) 240 { 241 struct nvkm_timer *ptimer = nvkm_timer(engine); 242 struct nv50_gr_priv *priv = (void *)engine; 243 bool idle, timeout = false; 244 unsigned long flags; 245 u64 start; 246 u32 tmp; 247 248 spin_lock_irqsave(&priv->lock, flags); 249 nv_mask(priv, 0x400500, 0x00000001, 0x00000000); 250 251 start = ptimer->read(ptimer); 252 do { 253 idle = true; 254 255 for (tmp = nv_rd32(priv, 0x400380); tmp && idle; tmp >>= 3) { 256 if ((tmp & 7) == 1) 257 idle = false; 258 } 259 260 for (tmp = nv_rd32(priv, 0x400384); tmp && idle; tmp >>= 3) { 261 if ((tmp & 7) == 1) 262 idle = false; 263 } 264 265 for (tmp = nv_rd32(priv, 0x400388); tmp && idle; tmp >>= 3) { 266 if ((tmp & 7) == 1) 267 idle = false; 268 } 269 } while (!idle && 270 !(timeout = ptimer->read(ptimer) - start > 2000000000)); 271 272 if (timeout) { 273 nv_error(priv, "PGRAPH TLB flush idle timeout fail\n"); 274 275 tmp = nv_rd32(priv, 0x400700); 276 nv_error(priv, "PGRAPH_STATUS : 0x%08x", tmp); 277 nvkm_bitfield_print(nv50_pgr_status, tmp); 278 pr_cont("\n"); 279 280 nvkm_pgr_vstatus_print(priv, 0, nv50_pgr_vstatus_0, 281 nv_rd32(priv, 0x400380)); 282 nvkm_pgr_vstatus_print(priv, 1, nv50_pgr_vstatus_1, 283 nv_rd32(priv, 0x400384)); 284 nvkm_pgr_vstatus_print(priv, 2, nv50_pgr_vstatus_2, 285 nv_rd32(priv, 0x400388)); 286 } 287 288 289 nv_wr32(priv, 0x100c80, 0x00000001); 290 if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) 291 nv_error(priv, "vm flush timeout\n"); 292 nv_mask(priv, 0x400500, 0x00000001, 0x00000001); 293 spin_unlock_irqrestore(&priv->lock, flags); 294 return timeout ? -EBUSY : 0; 295 } 296 297 static const struct nvkm_bitfield nv50_mp_exec_errors[] = { 298 { 0x01, "STACK_UNDERFLOW" }, 299 { 0x02, "STACK_MISMATCH" }, 300 { 0x04, "QUADON_ACTIVE" }, 301 { 0x08, "TIMEOUT" }, 302 { 0x10, "INVALID_OPCODE" }, 303 { 0x20, "PM_OVERFLOW" }, 304 { 0x40, "BREAKPOINT" }, 305 {} 306 }; 307 308 static const struct nvkm_bitfield nv50_mpc_traps[] = { 309 { 0x0000001, "LOCAL_LIMIT_READ" }, 310 { 0x0000010, "LOCAL_LIMIT_WRITE" }, 311 { 0x0000040, "STACK_LIMIT" }, 312 { 0x0000100, "GLOBAL_LIMIT_READ" }, 313 { 0x0001000, "GLOBAL_LIMIT_WRITE" }, 314 { 0x0010000, "MP0" }, 315 { 0x0020000, "MP1" }, 316 { 0x0040000, "GLOBAL_LIMIT_RED" }, 317 { 0x0400000, "GLOBAL_LIMIT_ATOM" }, 318 { 0x4000000, "MP2" }, 319 {} 320 }; 321 322 static const struct nvkm_bitfield nv50_tex_traps[] = { 323 { 0x00000001, "" }, /* any bit set? */ 324 { 0x00000002, "FAULT" }, 325 { 0x00000004, "STORAGE_TYPE_MISMATCH" }, 326 { 0x00000008, "LINEAR_MISMATCH" }, 327 { 0x00000020, "WRONG_MEMTYPE" }, 328 {} 329 }; 330 331 static const struct nvkm_bitfield nv50_gr_trap_m2mf[] = { 332 { 0x00000001, "NOTIFY" }, 333 { 0x00000002, "IN" }, 334 { 0x00000004, "OUT" }, 335 {} 336 }; 337 338 static const struct nvkm_bitfield nv50_gr_trap_vfetch[] = { 339 { 0x00000001, "FAULT" }, 340 {} 341 }; 342 343 static const struct nvkm_bitfield nv50_gr_trap_strmout[] = { 344 { 0x00000001, "FAULT" }, 345 {} 346 }; 347 348 static const struct nvkm_bitfield nv50_gr_trap_ccache[] = { 349 { 0x00000001, "FAULT" }, 350 {} 351 }; 352 353 /* There must be a *lot* of these. Will take some time to gather them up. */ 354 const struct nvkm_enum nv50_data_error_names[] = { 355 { 0x00000003, "INVALID_OPERATION", NULL }, 356 { 0x00000004, "INVALID_VALUE", NULL }, 357 { 0x00000005, "INVALID_ENUM", NULL }, 358 { 0x00000008, "INVALID_OBJECT", NULL }, 359 { 0x00000009, "READ_ONLY_OBJECT", NULL }, 360 { 0x0000000a, "SUPERVISOR_OBJECT", NULL }, 361 { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT", NULL }, 362 { 0x0000000c, "INVALID_BITFIELD", NULL }, 363 { 0x0000000d, "BEGIN_END_ACTIVE", NULL }, 364 { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT", NULL }, 365 { 0x0000000f, "VIEWPORT_ID_NEEDS_GP", NULL }, 366 { 0x00000010, "RT_DOUBLE_BIND", NULL }, 367 { 0x00000011, "RT_TYPES_MISMATCH", NULL }, 368 { 0x00000012, "RT_LINEAR_WITH_ZETA", NULL }, 369 { 0x00000015, "FP_TOO_FEW_REGS", NULL }, 370 { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH", NULL }, 371 { 0x00000017, "RT_LINEAR_WITH_MSAA", NULL }, 372 { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT", NULL }, 373 { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT", NULL }, 374 { 0x0000001a, "RT_INVALID_ALIGNMENT", NULL }, 375 { 0x0000001b, "SAMPLER_OVER_LIMIT", NULL }, 376 { 0x0000001c, "TEXTURE_OVER_LIMIT", NULL }, 377 { 0x0000001e, "GP_TOO_MANY_OUTPUTS", NULL }, 378 { 0x0000001f, "RT_BPP128_WITH_MS8", NULL }, 379 { 0x00000021, "Z_OUT_OF_BOUNDS", NULL }, 380 { 0x00000023, "XY_OUT_OF_BOUNDS", NULL }, 381 { 0x00000024, "VP_ZERO_INPUTS", NULL }, 382 { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED", NULL }, 383 { 0x00000028, "CP_NO_REG_SPACE_STRIPED", NULL }, 384 { 0x00000029, "CP_NO_REG_SPACE_PACKED", NULL }, 385 { 0x0000002a, "CP_NOT_ENOUGH_WARPS", NULL }, 386 { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH", NULL }, 387 { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS", NULL }, 388 { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS", NULL }, 389 { 0x0000002e, "CP_NO_BLOCKDIM_LATCH", NULL }, 390 { 0x00000031, "ENG2D_FORMAT_MISMATCH", NULL }, 391 { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP", NULL }, 392 { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT", NULL }, 393 { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT", NULL }, 394 { 0x00000046, "LAYER_ID_NEEDS_GP", NULL }, 395 { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT", NULL }, 396 { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT", NULL }, 397 {} 398 }; 399 400 static const struct nvkm_bitfield nv50_gr_intr_name[] = { 401 { 0x00000001, "NOTIFY" }, 402 { 0x00000002, "COMPUTE_QUERY" }, 403 { 0x00000010, "ILLEGAL_MTHD" }, 404 { 0x00000020, "ILLEGAL_CLASS" }, 405 { 0x00000040, "DOUBLE_NOTIFY" }, 406 { 0x00001000, "CONTEXT_SWITCH" }, 407 { 0x00010000, "BUFFER_NOTIFY" }, 408 { 0x00100000, "DATA_ERROR" }, 409 { 0x00200000, "TRAP" }, 410 { 0x01000000, "SINGLE_STEP" }, 411 {} 412 }; 413 414 static const struct nvkm_bitfield nv50_gr_trap_prop[] = { 415 { 0x00000004, "SURF_WIDTH_OVERRUN" }, 416 { 0x00000008, "SURF_HEIGHT_OVERRUN" }, 417 { 0x00000010, "DST2D_FAULT" }, 418 { 0x00000020, "ZETA_FAULT" }, 419 { 0x00000040, "RT_FAULT" }, 420 { 0x00000080, "CUDA_FAULT" }, 421 { 0x00000100, "DST2D_STORAGE_TYPE_MISMATCH" }, 422 { 0x00000200, "ZETA_STORAGE_TYPE_MISMATCH" }, 423 { 0x00000400, "RT_STORAGE_TYPE_MISMATCH" }, 424 { 0x00000800, "DST2D_LINEAR_MISMATCH" }, 425 { 0x00001000, "RT_LINEAR_MISMATCH" }, 426 {} 427 }; 428 429 static void 430 nv50_priv_prop_trap(struct nv50_gr_priv *priv, 431 u32 ustatus_addr, u32 ustatus, u32 tp) 432 { 433 u32 e0c = nv_rd32(priv, ustatus_addr + 0x04); 434 u32 e10 = nv_rd32(priv, ustatus_addr + 0x08); 435 u32 e14 = nv_rd32(priv, ustatus_addr + 0x0c); 436 u32 e18 = nv_rd32(priv, ustatus_addr + 0x10); 437 u32 e1c = nv_rd32(priv, ustatus_addr + 0x14); 438 u32 e20 = nv_rd32(priv, ustatus_addr + 0x18); 439 u32 e24 = nv_rd32(priv, ustatus_addr + 0x1c); 440 441 /* CUDA memory: l[], g[] or stack. */ 442 if (ustatus & 0x00000080) { 443 if (e18 & 0x80000000) { 444 /* g[] read fault? */ 445 nv_error(priv, "TRAP_PROP - TP %d - CUDA_FAULT - Global read fault at address %02x%08x\n", 446 tp, e14, e10 | ((e18 >> 24) & 0x1f)); 447 e18 &= ~0x1f000000; 448 } else if (e18 & 0xc) { 449 /* g[] write fault? */ 450 nv_error(priv, "TRAP_PROP - TP %d - CUDA_FAULT - Global write fault at address %02x%08x\n", 451 tp, e14, e10 | ((e18 >> 7) & 0x1f)); 452 e18 &= ~0x00000f80; 453 } else { 454 nv_error(priv, "TRAP_PROP - TP %d - Unknown CUDA fault at address %02x%08x\n", 455 tp, e14, e10); 456 } 457 ustatus &= ~0x00000080; 458 } 459 if (ustatus) { 460 nv_error(priv, "TRAP_PROP - TP %d -", tp); 461 nvkm_bitfield_print(nv50_gr_trap_prop, ustatus); 462 pr_cont(" - Address %02x%08x\n", e14, e10); 463 } 464 nv_error(priv, "TRAP_PROP - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", 465 tp, e0c, e18, e1c, e20, e24); 466 } 467 468 static void 469 nv50_priv_mp_trap(struct nv50_gr_priv *priv, int tpid, int display) 470 { 471 u32 units = nv_rd32(priv, 0x1540); 472 u32 addr, mp10, status, pc, oplow, ophigh; 473 int i; 474 int mps = 0; 475 for (i = 0; i < 4; i++) { 476 if (!(units & 1 << (i+24))) 477 continue; 478 if (nv_device(priv)->chipset < 0xa0) 479 addr = 0x408200 + (tpid << 12) + (i << 7); 480 else 481 addr = 0x408100 + (tpid << 11) + (i << 7); 482 mp10 = nv_rd32(priv, addr + 0x10); 483 status = nv_rd32(priv, addr + 0x14); 484 if (!status) 485 continue; 486 if (display) { 487 nv_rd32(priv, addr + 0x20); 488 pc = nv_rd32(priv, addr + 0x24); 489 oplow = nv_rd32(priv, addr + 0x70); 490 ophigh = nv_rd32(priv, addr + 0x74); 491 nv_error(priv, "TRAP_MP_EXEC - " 492 "TP %d MP %d:", tpid, i); 493 nvkm_bitfield_print(nv50_mp_exec_errors, status); 494 pr_cont(" at %06x warp %d, opcode %08x %08x\n", 495 pc&0xffffff, pc >> 24, 496 oplow, ophigh); 497 } 498 nv_wr32(priv, addr + 0x10, mp10); 499 nv_wr32(priv, addr + 0x14, 0); 500 mps++; 501 } 502 if (!mps && display) 503 nv_error(priv, "TRAP_MP_EXEC - TP %d: " 504 "No MPs claiming errors?\n", tpid); 505 } 506 507 static void 508 nv50_priv_tp_trap(struct nv50_gr_priv *priv, int type, u32 ustatus_old, 509 u32 ustatus_new, int display, const char *name) 510 { 511 int tps = 0; 512 u32 units = nv_rd32(priv, 0x1540); 513 int i, r; 514 u32 ustatus_addr, ustatus; 515 for (i = 0; i < 16; i++) { 516 if (!(units & (1 << i))) 517 continue; 518 if (nv_device(priv)->chipset < 0xa0) 519 ustatus_addr = ustatus_old + (i << 12); 520 else 521 ustatus_addr = ustatus_new + (i << 11); 522 ustatus = nv_rd32(priv, ustatus_addr) & 0x7fffffff; 523 if (!ustatus) 524 continue; 525 tps++; 526 switch (type) { 527 case 6: /* texture error... unknown for now */ 528 if (display) { 529 nv_error(priv, "magic set %d:\n", i); 530 for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4) 531 nv_error(priv, "\t0x%08x: 0x%08x\n", r, 532 nv_rd32(priv, r)); 533 if (ustatus) { 534 nv_error(priv, "%s - TP%d:", name, i); 535 nvkm_bitfield_print(nv50_tex_traps, 536 ustatus); 537 pr_cont("\n"); 538 ustatus = 0; 539 } 540 } 541 break; 542 case 7: /* MP error */ 543 if (ustatus & 0x04030000) { 544 nv50_priv_mp_trap(priv, i, display); 545 ustatus &= ~0x04030000; 546 } 547 if (ustatus && display) { 548 nv_error(priv, "%s - TP%d:", name, i); 549 nvkm_bitfield_print(nv50_mpc_traps, ustatus); 550 pr_cont("\n"); 551 ustatus = 0; 552 } 553 break; 554 case 8: /* PROP error */ 555 if (display) 556 nv50_priv_prop_trap( 557 priv, ustatus_addr, ustatus, i); 558 ustatus = 0; 559 break; 560 } 561 if (ustatus) { 562 if (display) 563 nv_error(priv, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus); 564 } 565 nv_wr32(priv, ustatus_addr, 0xc0000000); 566 } 567 568 if (!tps && display) 569 nv_warn(priv, "%s - No TPs claiming errors?\n", name); 570 } 571 572 static int 573 nv50_gr_trap_handler(struct nv50_gr_priv *priv, u32 display, 574 int chid, u64 inst, struct nvkm_object *engctx) 575 { 576 u32 status = nv_rd32(priv, 0x400108); 577 u32 ustatus; 578 579 if (!status && display) { 580 nv_error(priv, "TRAP: no units reporting traps?\n"); 581 return 1; 582 } 583 584 /* DISPATCH: Relays commands to other units and handles NOTIFY, 585 * COND, QUERY. If you get a trap from it, the command is still stuck 586 * in DISPATCH and you need to do something about it. */ 587 if (status & 0x001) { 588 ustatus = nv_rd32(priv, 0x400804) & 0x7fffffff; 589 if (!ustatus && display) { 590 nv_error(priv, "TRAP_DISPATCH - no ustatus?\n"); 591 } 592 593 nv_wr32(priv, 0x400500, 0x00000000); 594 595 /* Known to be triggered by screwed up NOTIFY and COND... */ 596 if (ustatus & 0x00000001) { 597 u32 addr = nv_rd32(priv, 0x400808); 598 u32 subc = (addr & 0x00070000) >> 16; 599 u32 mthd = (addr & 0x00001ffc); 600 u32 datal = nv_rd32(priv, 0x40080c); 601 u32 datah = nv_rd32(priv, 0x400810); 602 u32 class = nv_rd32(priv, 0x400814); 603 u32 r848 = nv_rd32(priv, 0x400848); 604 605 nv_error(priv, "TRAP DISPATCH_FAULT\n"); 606 if (display && (addr & 0x80000000)) { 607 nv_error(priv, 608 "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x%08x 400808 0x%08x 400848 0x%08x\n", 609 chid, inst, 610 nvkm_client_name(engctx), subc, 611 class, mthd, datah, datal, addr, r848); 612 } else 613 if (display) { 614 nv_error(priv, "no stuck command?\n"); 615 } 616 617 nv_wr32(priv, 0x400808, 0); 618 nv_wr32(priv, 0x4008e8, nv_rd32(priv, 0x4008e8) & 3); 619 nv_wr32(priv, 0x400848, 0); 620 ustatus &= ~0x00000001; 621 } 622 623 if (ustatus & 0x00000002) { 624 u32 addr = nv_rd32(priv, 0x40084c); 625 u32 subc = (addr & 0x00070000) >> 16; 626 u32 mthd = (addr & 0x00001ffc); 627 u32 data = nv_rd32(priv, 0x40085c); 628 u32 class = nv_rd32(priv, 0x400814); 629 630 nv_error(priv, "TRAP DISPATCH_QUERY\n"); 631 if (display && (addr & 0x80000000)) { 632 nv_error(priv, 633 "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x 40084c 0x%08x\n", 634 chid, inst, 635 nvkm_client_name(engctx), subc, 636 class, mthd, data, addr); 637 } else 638 if (display) { 639 nv_error(priv, "no stuck command?\n"); 640 } 641 642 nv_wr32(priv, 0x40084c, 0); 643 ustatus &= ~0x00000002; 644 } 645 646 if (ustatus && display) { 647 nv_error(priv, "TRAP_DISPATCH (unknown " 648 "0x%08x)\n", ustatus); 649 } 650 651 nv_wr32(priv, 0x400804, 0xc0000000); 652 nv_wr32(priv, 0x400108, 0x001); 653 status &= ~0x001; 654 if (!status) 655 return 0; 656 } 657 658 /* M2MF: Memory to memory copy engine. */ 659 if (status & 0x002) { 660 u32 ustatus = nv_rd32(priv, 0x406800) & 0x7fffffff; 661 if (display) { 662 nv_error(priv, "TRAP_M2MF"); 663 nvkm_bitfield_print(nv50_gr_trap_m2mf, ustatus); 664 pr_cont("\n"); 665 nv_error(priv, "TRAP_M2MF %08x %08x %08x %08x\n", 666 nv_rd32(priv, 0x406804), nv_rd32(priv, 0x406808), 667 nv_rd32(priv, 0x40680c), nv_rd32(priv, 0x406810)); 668 669 } 670 671 /* No sane way found yet -- just reset the bugger. */ 672 nv_wr32(priv, 0x400040, 2); 673 nv_wr32(priv, 0x400040, 0); 674 nv_wr32(priv, 0x406800, 0xc0000000); 675 nv_wr32(priv, 0x400108, 0x002); 676 status &= ~0x002; 677 } 678 679 /* VFETCH: Fetches data from vertex buffers. */ 680 if (status & 0x004) { 681 u32 ustatus = nv_rd32(priv, 0x400c04) & 0x7fffffff; 682 if (display) { 683 nv_error(priv, "TRAP_VFETCH"); 684 nvkm_bitfield_print(nv50_gr_trap_vfetch, ustatus); 685 pr_cont("\n"); 686 nv_error(priv, "TRAP_VFETCH %08x %08x %08x %08x\n", 687 nv_rd32(priv, 0x400c00), nv_rd32(priv, 0x400c08), 688 nv_rd32(priv, 0x400c0c), nv_rd32(priv, 0x400c10)); 689 } 690 691 nv_wr32(priv, 0x400c04, 0xc0000000); 692 nv_wr32(priv, 0x400108, 0x004); 693 status &= ~0x004; 694 } 695 696 /* STRMOUT: DirectX streamout / OpenGL transform feedback. */ 697 if (status & 0x008) { 698 ustatus = nv_rd32(priv, 0x401800) & 0x7fffffff; 699 if (display) { 700 nv_error(priv, "TRAP_STRMOUT"); 701 nvkm_bitfield_print(nv50_gr_trap_strmout, ustatus); 702 pr_cont("\n"); 703 nv_error(priv, "TRAP_STRMOUT %08x %08x %08x %08x\n", 704 nv_rd32(priv, 0x401804), nv_rd32(priv, 0x401808), 705 nv_rd32(priv, 0x40180c), nv_rd32(priv, 0x401810)); 706 707 } 708 709 /* No sane way found yet -- just reset the bugger. */ 710 nv_wr32(priv, 0x400040, 0x80); 711 nv_wr32(priv, 0x400040, 0); 712 nv_wr32(priv, 0x401800, 0xc0000000); 713 nv_wr32(priv, 0x400108, 0x008); 714 status &= ~0x008; 715 } 716 717 /* CCACHE: Handles code and c[] caches and fills them. */ 718 if (status & 0x010) { 719 ustatus = nv_rd32(priv, 0x405018) & 0x7fffffff; 720 if (display) { 721 nv_error(priv, "TRAP_CCACHE"); 722 nvkm_bitfield_print(nv50_gr_trap_ccache, ustatus); 723 pr_cont("\n"); 724 nv_error(priv, "TRAP_CCACHE %08x %08x %08x %08x" 725 " %08x %08x %08x\n", 726 nv_rd32(priv, 0x405000), nv_rd32(priv, 0x405004), 727 nv_rd32(priv, 0x405008), nv_rd32(priv, 0x40500c), 728 nv_rd32(priv, 0x405010), nv_rd32(priv, 0x405014), 729 nv_rd32(priv, 0x40501c)); 730 731 } 732 733 nv_wr32(priv, 0x405018, 0xc0000000); 734 nv_wr32(priv, 0x400108, 0x010); 735 status &= ~0x010; 736 } 737 738 /* Unknown, not seen yet... 0x402000 is the only trap status reg 739 * remaining, so try to handle it anyway. Perhaps related to that 740 * unknown DMA slot on tesla? */ 741 if (status & 0x20) { 742 ustatus = nv_rd32(priv, 0x402000) & 0x7fffffff; 743 if (display) 744 nv_error(priv, "TRAP_UNKC04 0x%08x\n", ustatus); 745 nv_wr32(priv, 0x402000, 0xc0000000); 746 /* no status modifiction on purpose */ 747 } 748 749 /* TEXTURE: CUDA texturing units */ 750 if (status & 0x040) { 751 nv50_priv_tp_trap(priv, 6, 0x408900, 0x408600, display, 752 "TRAP_TEXTURE"); 753 nv_wr32(priv, 0x400108, 0x040); 754 status &= ~0x040; 755 } 756 757 /* MP: CUDA execution engines. */ 758 if (status & 0x080) { 759 nv50_priv_tp_trap(priv, 7, 0x408314, 0x40831c, display, 760 "TRAP_MP"); 761 nv_wr32(priv, 0x400108, 0x080); 762 status &= ~0x080; 763 } 764 765 /* PROP: Handles TP-initiated uncached memory accesses: 766 * l[], g[], stack, 2d surfaces, render targets. */ 767 if (status & 0x100) { 768 nv50_priv_tp_trap(priv, 8, 0x408e08, 0x408708, display, 769 "TRAP_PROP"); 770 nv_wr32(priv, 0x400108, 0x100); 771 status &= ~0x100; 772 } 773 774 if (status) { 775 if (display) 776 nv_error(priv, "TRAP: unknown 0x%08x\n", status); 777 nv_wr32(priv, 0x400108, status); 778 } 779 780 return 1; 781 } 782 783 static void 784 nv50_gr_intr(struct nvkm_subdev *subdev) 785 { 786 struct nvkm_fifo *pfifo = nvkm_fifo(subdev); 787 struct nvkm_engine *engine = nv_engine(subdev); 788 struct nvkm_object *engctx; 789 struct nvkm_handle *handle = NULL; 790 struct nv50_gr_priv *priv = (void *)subdev; 791 u32 stat = nv_rd32(priv, 0x400100); 792 u32 inst = nv_rd32(priv, 0x40032c) & 0x0fffffff; 793 u32 addr = nv_rd32(priv, 0x400704); 794 u32 subc = (addr & 0x00070000) >> 16; 795 u32 mthd = (addr & 0x00001ffc); 796 u32 data = nv_rd32(priv, 0x400708); 797 u32 class = nv_rd32(priv, 0x400814); 798 u32 show = stat, show_bitfield = stat; 799 int chid; 800 801 engctx = nvkm_engctx_get(engine, inst); 802 chid = pfifo->chid(pfifo, engctx); 803 804 if (stat & 0x00000010) { 805 handle = nvkm_handle_get_class(engctx, class); 806 if (handle && !nv_call(handle->object, mthd, data)) 807 show &= ~0x00000010; 808 nvkm_handle_put(handle); 809 } 810 811 if (show & 0x00100000) { 812 u32 ecode = nv_rd32(priv, 0x400110); 813 nv_error(priv, "DATA_ERROR "); 814 nvkm_enum_print(nv50_data_error_names, ecode); 815 pr_cont("\n"); 816 show_bitfield &= ~0x00100000; 817 } 818 819 if (stat & 0x00200000) { 820 if (!nv50_gr_trap_handler(priv, show, chid, (u64)inst << 12, 821 engctx)) 822 show &= ~0x00200000; 823 show_bitfield &= ~0x00200000; 824 } 825 826 nv_wr32(priv, 0x400100, stat); 827 nv_wr32(priv, 0x400500, 0x00010001); 828 829 if (show) { 830 show &= show_bitfield; 831 if (show) { 832 nv_error(priv, "%s", ""); 833 nvkm_bitfield_print(nv50_gr_intr_name, show); 834 pr_cont("\n"); 835 } 836 nv_error(priv, 837 "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n", 838 chid, (u64)inst << 12, nvkm_client_name(engctx), 839 subc, class, mthd, data); 840 } 841 842 if (nv_rd32(priv, 0x400824) & (1 << 31)) 843 nv_wr32(priv, 0x400824, nv_rd32(priv, 0x400824) & ~(1 << 31)); 844 845 nvkm_engctx_put(engctx); 846 } 847 848 static int 849 nv50_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 850 struct nvkm_oclass *oclass, void *data, u32 size, 851 struct nvkm_object **pobject) 852 { 853 struct nv50_gr_priv *priv; 854 int ret; 855 856 ret = nvkm_gr_create(parent, engine, oclass, true, &priv); 857 *pobject = nv_object(priv); 858 if (ret) 859 return ret; 860 861 nv_subdev(priv)->unit = 0x00201000; 862 nv_subdev(priv)->intr = nv50_gr_intr; 863 nv_engine(priv)->cclass = &nv50_gr_cclass; 864 865 priv->base.units = nv50_gr_units; 866 867 switch (nv_device(priv)->chipset) { 868 case 0x50: 869 nv_engine(priv)->sclass = nv50_gr_sclass; 870 break; 871 case 0x84: 872 case 0x86: 873 case 0x92: 874 case 0x94: 875 case 0x96: 876 case 0x98: 877 nv_engine(priv)->sclass = g84_gr_sclass; 878 break; 879 case 0xa0: 880 case 0xaa: 881 case 0xac: 882 nv_engine(priv)->sclass = gt200_gr_sclass; 883 break; 884 case 0xa3: 885 case 0xa5: 886 case 0xa8: 887 nv_engine(priv)->sclass = gt215_gr_sclass; 888 break; 889 case 0xaf: 890 nv_engine(priv)->sclass = mcp89_gr_sclass; 891 break; 892 893 } 894 895 /* unfortunate hw bug workaround... */ 896 if (nv_device(priv)->chipset != 0x50 && 897 nv_device(priv)->chipset != 0xac) 898 nv_engine(priv)->tlb_flush = g84_gr_tlb_flush; 899 900 spin_lock_init(&priv->lock); 901 return 0; 902 } 903 904 static int 905 nv50_gr_init(struct nvkm_object *object) 906 { 907 struct nv50_gr_priv *priv = (void *)object; 908 int ret, units, i; 909 910 ret = nvkm_gr_init(&priv->base); 911 if (ret) 912 return ret; 913 914 /* NV_PGRAPH_DEBUG_3_HW_CTX_SWITCH_ENABLED */ 915 nv_wr32(priv, 0x40008c, 0x00000004); 916 917 /* reset/enable traps and interrupts */ 918 nv_wr32(priv, 0x400804, 0xc0000000); 919 nv_wr32(priv, 0x406800, 0xc0000000); 920 nv_wr32(priv, 0x400c04, 0xc0000000); 921 nv_wr32(priv, 0x401800, 0xc0000000); 922 nv_wr32(priv, 0x405018, 0xc0000000); 923 nv_wr32(priv, 0x402000, 0xc0000000); 924 925 units = nv_rd32(priv, 0x001540); 926 for (i = 0; i < 16; i++) { 927 if (!(units & (1 << i))) 928 continue; 929 930 if (nv_device(priv)->chipset < 0xa0) { 931 nv_wr32(priv, 0x408900 + (i << 12), 0xc0000000); 932 nv_wr32(priv, 0x408e08 + (i << 12), 0xc0000000); 933 nv_wr32(priv, 0x408314 + (i << 12), 0xc0000000); 934 } else { 935 nv_wr32(priv, 0x408600 + (i << 11), 0xc0000000); 936 nv_wr32(priv, 0x408708 + (i << 11), 0xc0000000); 937 nv_wr32(priv, 0x40831c + (i << 11), 0xc0000000); 938 } 939 } 940 941 nv_wr32(priv, 0x400108, 0xffffffff); 942 nv_wr32(priv, 0x400138, 0xffffffff); 943 nv_wr32(priv, 0x400100, 0xffffffff); 944 nv_wr32(priv, 0x40013c, 0xffffffff); 945 nv_wr32(priv, 0x400500, 0x00010001); 946 947 /* upload context program, initialise ctxctl defaults */ 948 ret = nv50_grctx_init(nv_device(priv), &priv->size); 949 if (ret) 950 return ret; 951 952 nv_wr32(priv, 0x400824, 0x00000000); 953 nv_wr32(priv, 0x400828, 0x00000000); 954 nv_wr32(priv, 0x40082c, 0x00000000); 955 nv_wr32(priv, 0x400830, 0x00000000); 956 nv_wr32(priv, 0x40032c, 0x00000000); 957 nv_wr32(priv, 0x400330, 0x00000000); 958 959 /* some unknown zcull magic */ 960 switch (nv_device(priv)->chipset & 0xf0) { 961 case 0x50: 962 case 0x80: 963 case 0x90: 964 nv_wr32(priv, 0x402ca8, 0x00000800); 965 break; 966 case 0xa0: 967 default: 968 if (nv_device(priv)->chipset == 0xa0 || 969 nv_device(priv)->chipset == 0xaa || 970 nv_device(priv)->chipset == 0xac) { 971 nv_wr32(priv, 0x402ca8, 0x00000802); 972 } else { 973 nv_wr32(priv, 0x402cc0, 0x00000000); 974 nv_wr32(priv, 0x402ca8, 0x00000002); 975 } 976 977 break; 978 } 979 980 /* zero out zcull regions */ 981 for (i = 0; i < 8; i++) { 982 nv_wr32(priv, 0x402c20 + (i * 0x10), 0x00000000); 983 nv_wr32(priv, 0x402c24 + (i * 0x10), 0x00000000); 984 nv_wr32(priv, 0x402c28 + (i * 0x10), 0x00000000); 985 nv_wr32(priv, 0x402c2c + (i * 0x10), 0x00000000); 986 } 987 return 0; 988 } 989 990 struct nvkm_oclass 991 nv50_gr_oclass = { 992 .handle = NV_ENGINE(GR, 0x50), 993 .ofuncs = &(struct nvkm_ofuncs) { 994 .ctor = nv50_gr_ctor, 995 .dtor = _nvkm_gr_dtor, 996 .init = nv50_gr_init, 997 .fini = _nvkm_gr_fini, 998 }, 999 }; 1000