/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include #include #include #include #include #include #include #include #include #include #include "nv50.h" struct nv50_graph_priv { struct nouveau_graph base; spinlock_t lock; u32 size; }; struct nv50_graph_chan { struct nouveau_graph_chan base; }; static u64 nv50_graph_units(struct nouveau_graph *graph) { struct nv50_graph_priv *priv = (void *)graph; return nv_rd32(priv, 0x1540); } /******************************************************************************* * Graphics object classes ******************************************************************************/ static int nv50_graph_object_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_object **pobject) { struct nouveau_gpuobj *obj; int ret; ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent, 16, 16, 0, &obj); *pobject = nv_object(obj); if (ret) return ret; nv_wo32(obj, 0x00, nv_mclass(obj)); nv_wo32(obj, 0x04, 0x00000000); nv_wo32(obj, 0x08, 0x00000000); nv_wo32(obj, 0x0c, 0x00000000); return 0; } static struct nouveau_ofuncs nv50_graph_ofuncs = { .ctor = nv50_graph_object_ctor, .dtor = _nouveau_gpuobj_dtor, .init = _nouveau_gpuobj_init, .fini = _nouveau_gpuobj_fini, .rd32 = _nouveau_gpuobj_rd32, .wr32 = _nouveau_gpuobj_wr32, }; static struct nouveau_oclass nv50_graph_sclass[] = { { 0x0030, &nv50_graph_ofuncs }, { 0x502d, &nv50_graph_ofuncs }, { 0x5039, &nv50_graph_ofuncs }, { 0x5097, &nv50_graph_ofuncs }, { 0x50c0, &nv50_graph_ofuncs }, {} }; static struct nouveau_oclass nv84_graph_sclass[] = { { 0x0030, &nv50_graph_ofuncs }, { 0x502d, &nv50_graph_ofuncs }, { 0x5039, &nv50_graph_ofuncs }, { 0x50c0, &nv50_graph_ofuncs }, { 0x8297, &nv50_graph_ofuncs }, {} }; static struct nouveau_oclass nva0_graph_sclass[] = { { 0x0030, &nv50_graph_ofuncs }, { 0x502d, &nv50_graph_ofuncs }, { 0x5039, &nv50_graph_ofuncs }, { 0x50c0, &nv50_graph_ofuncs }, { 0x8397, &nv50_graph_ofuncs }, {} }; static struct nouveau_oclass nva3_graph_sclass[] = { { 0x0030, &nv50_graph_ofuncs }, { 0x502d, &nv50_graph_ofuncs }, { 0x5039, &nv50_graph_ofuncs }, { 0x50c0, &nv50_graph_ofuncs }, { 0x8597, &nv50_graph_ofuncs }, { 0x85c0, &nv50_graph_ofuncs }, {} }; static struct nouveau_oclass nvaf_graph_sclass[] = { { 0x0030, &nv50_graph_ofuncs }, { 0x502d, &nv50_graph_ofuncs }, { 0x5039, &nv50_graph_ofuncs }, { 0x50c0, &nv50_graph_ofuncs }, { 0x85c0, &nv50_graph_ofuncs }, { 0x8697, &nv50_graph_ofuncs }, {} }; /******************************************************************************* * PGRAPH context ******************************************************************************/ static int nv50_graph_context_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_object **pobject) { struct nv50_graph_priv *priv = (void *)engine; struct nv50_graph_chan *chan; int ret; ret = nouveau_graph_context_create(parent, engine, oclass, NULL, priv->size, 0, NVOBJ_FLAG_ZERO_ALLOC, &chan); *pobject = nv_object(chan); if (ret) return ret; nv50_grctx_fill(nv_device(priv), nv_gpuobj(chan)); return 0; } static struct nouveau_oclass nv50_graph_cclass = { .handle = NV_ENGCTX(GR, 0x50), .ofuncs = &(struct nouveau_ofuncs) { .ctor = nv50_graph_context_ctor, .dtor = _nouveau_graph_context_dtor, .init = _nouveau_graph_context_init, .fini = _nouveau_graph_context_fini, .rd32 = _nouveau_graph_context_rd32, .wr32 = _nouveau_graph_context_wr32, }, }; /******************************************************************************* * PGRAPH engine/subdev functions ******************************************************************************/ static const struct nouveau_bitfield nv50_pgraph_status[] = { { 0x00000001, "BUSY" }, /* set when any bit is set */ { 0x00000002, "DISPATCH" }, { 0x00000004, "UNK2" }, { 0x00000008, "UNK3" }, { 0x00000010, "UNK4" }, { 0x00000020, "UNK5" }, { 0x00000040, "M2MF" }, { 0x00000080, "UNK7" }, { 0x00000100, "CTXPROG" }, { 0x00000200, "VFETCH" }, { 0x00000400, "CCACHE_PREGEOM" }, { 0x00000800, "STRMOUT_VATTR_POSTGEOM" }, { 0x00001000, "VCLIP" }, { 0x00002000, "RATTR_APLANE" }, { 0x00004000, "TRAST" }, { 0x00008000, "CLIPID" }, { 0x00010000, "ZCULL" }, { 0x00020000, "ENG2D" }, { 0x00040000, "RMASK" }, { 0x00080000, "TPC_RAST" }, { 0x00100000, "TPC_PROP" }, { 0x00200000, "TPC_TEX" }, { 0x00400000, "TPC_GEOM" }, { 0x00800000, "TPC_MP" }, { 0x01000000, "ROP" }, {} }; static const char *const nv50_pgraph_vstatus_0[] = { "VFETCH", "CCACHE", "PREGEOM", "POSTGEOM", "VATTR", "STRMOUT", "VCLIP", NULL }; static const char *const nv50_pgraph_vstatus_1[] = { "TPC_RAST", "TPC_PROP", "TPC_TEX", "TPC_GEOM", "TPC_MP", NULL }; static const char *const nv50_pgraph_vstatus_2[] = { "RATTR", "APLANE", "TRAST", "CLIPID", "ZCULL", "ENG2D", "RMASK", "ROP", NULL }; static void nouveau_pgraph_vstatus_print(struct nv50_graph_priv *priv, int r, const char *const units[], u32 status) { int i; nv_error(priv, "PGRAPH_VSTATUS%d: 0x%08x", r, status); for (i = 0; units[i] && status; i++) { if ((status & 7) == 1) pr_cont(" %s", units[i]); status >>= 3; } if (status) pr_cont(" (invalid: 0x%x)", status); pr_cont("\n"); } static int nv84_graph_tlb_flush(struct nouveau_engine *engine) { struct nouveau_timer *ptimer = nouveau_timer(engine); struct nv50_graph_priv *priv = (void *)engine; bool idle, timeout = false; unsigned long flags; u64 start; u32 tmp; spin_lock_irqsave(&priv->lock, flags); nv_mask(priv, 0x400500, 0x00000001, 0x00000000); start = ptimer->read(ptimer); do { idle = true; for (tmp = nv_rd32(priv, 0x400380); tmp && idle; tmp >>= 3) { if ((tmp & 7) == 1) idle = false; } for (tmp = nv_rd32(priv, 0x400384); tmp && idle; tmp >>= 3) { if ((tmp & 7) == 1) idle = false; } for (tmp = nv_rd32(priv, 0x400388); tmp && idle; tmp >>= 3) { if ((tmp & 7) == 1) idle = false; } } while (!idle && !(timeout = ptimer->read(ptimer) - start > 2000000000)); if (timeout) { nv_error(priv, "PGRAPH TLB flush idle timeout fail\n"); tmp = nv_rd32(priv, 0x400700); nv_error(priv, "PGRAPH_STATUS : 0x%08x", tmp); nouveau_bitfield_print(nv50_pgraph_status, tmp); pr_cont("\n"); nouveau_pgraph_vstatus_print(priv, 0, nv50_pgraph_vstatus_0, nv_rd32(priv, 0x400380)); nouveau_pgraph_vstatus_print(priv, 1, nv50_pgraph_vstatus_1, nv_rd32(priv, 0x400384)); nouveau_pgraph_vstatus_print(priv, 2, nv50_pgraph_vstatus_2, nv_rd32(priv, 0x400388)); } nv_wr32(priv, 0x100c80, 0x00000001); if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) nv_error(priv, "vm flush timeout\n"); nv_mask(priv, 0x400500, 0x00000001, 0x00000001); spin_unlock_irqrestore(&priv->lock, flags); return timeout ? -EBUSY : 0; } static const struct nouveau_bitfield nv50_mp_exec_errors[] = { { 0x01, "STACK_UNDERFLOW" }, { 0x02, "STACK_MISMATCH" }, { 0x04, "QUADON_ACTIVE" }, { 0x08, "TIMEOUT" }, { 0x10, "INVALID_OPCODE" }, { 0x20, "PM_OVERFLOW" }, { 0x40, "BREAKPOINT" }, {} }; static const struct nouveau_bitfield nv50_mpc_traps[] = { { 0x0000001, "LOCAL_LIMIT_READ" }, { 0x0000010, "LOCAL_LIMIT_WRITE" }, { 0x0000040, "STACK_LIMIT" }, { 0x0000100, "GLOBAL_LIMIT_READ" }, { 0x0001000, "GLOBAL_LIMIT_WRITE" }, { 0x0010000, "MP0" }, { 0x0020000, "MP1" }, { 0x0040000, "GLOBAL_LIMIT_RED" }, { 0x0400000, "GLOBAL_LIMIT_ATOM" }, { 0x4000000, "MP2" }, {} }; static const struct nouveau_bitfield nv50_tex_traps[] = { { 0x00000001, "" }, /* any bit set? */ { 0x00000002, "FAULT" }, { 0x00000004, "STORAGE_TYPE_MISMATCH" }, { 0x00000008, "LINEAR_MISMATCH" }, { 0x00000020, "WRONG_MEMTYPE" }, {} }; static const struct nouveau_bitfield nv50_graph_trap_m2mf[] = { { 0x00000001, "NOTIFY" }, { 0x00000002, "IN" }, { 0x00000004, "OUT" }, {} }; static const struct nouveau_bitfield nv50_graph_trap_vfetch[] = { { 0x00000001, "FAULT" }, {} }; static const struct nouveau_bitfield nv50_graph_trap_strmout[] = { { 0x00000001, "FAULT" }, {} }; static const struct nouveau_bitfield nv50_graph_trap_ccache[] = { { 0x00000001, "FAULT" }, {} }; /* There must be a *lot* of these. Will take some time to gather them up. */ const struct nouveau_enum nv50_data_error_names[] = { { 0x00000003, "INVALID_OPERATION", NULL }, { 0x00000004, "INVALID_VALUE", NULL }, { 0x00000005, "INVALID_ENUM", NULL }, { 0x00000008, "INVALID_OBJECT", NULL }, { 0x00000009, "READ_ONLY_OBJECT", NULL }, { 0x0000000a, "SUPERVISOR_OBJECT", NULL }, { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT", NULL }, { 0x0000000c, "INVALID_BITFIELD", NULL }, { 0x0000000d, "BEGIN_END_ACTIVE", NULL }, { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT", NULL }, { 0x0000000f, "VIEWPORT_ID_NEEDS_GP", NULL }, { 0x00000010, "RT_DOUBLE_BIND", NULL }, { 0x00000011, "RT_TYPES_MISMATCH", NULL }, { 0x00000012, "RT_LINEAR_WITH_ZETA", NULL }, { 0x00000015, "FP_TOO_FEW_REGS", NULL }, { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH", NULL }, { 0x00000017, "RT_LINEAR_WITH_MSAA", NULL }, { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT", NULL }, { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT", NULL }, { 0x0000001a, "RT_INVALID_ALIGNMENT", NULL }, { 0x0000001b, "SAMPLER_OVER_LIMIT", NULL }, { 0x0000001c, "TEXTURE_OVER_LIMIT", NULL }, { 0x0000001e, "GP_TOO_MANY_OUTPUTS", NULL }, { 0x0000001f, "RT_BPP128_WITH_MS8", NULL }, { 0x00000021, "Z_OUT_OF_BOUNDS", NULL }, { 0x00000023, "XY_OUT_OF_BOUNDS", NULL }, { 0x00000024, "VP_ZERO_INPUTS", NULL }, { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED", NULL }, { 0x00000028, "CP_NO_REG_SPACE_STRIPED", NULL }, { 0x00000029, "CP_NO_REG_SPACE_PACKED", NULL }, { 0x0000002a, "CP_NOT_ENOUGH_WARPS", NULL }, { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH", NULL }, { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS", NULL }, { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS", NULL }, { 0x0000002e, "CP_NO_BLOCKDIM_LATCH", NULL }, { 0x00000031, "ENG2D_FORMAT_MISMATCH", NULL }, { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP", NULL }, { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT", NULL }, { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT", NULL }, { 0x00000046, "LAYER_ID_NEEDS_GP", NULL }, { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT", NULL }, { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT", NULL }, {} }; static const struct nouveau_bitfield nv50_graph_intr_name[] = { { 0x00000001, "NOTIFY" }, { 0x00000002, "COMPUTE_QUERY" }, { 0x00000010, "ILLEGAL_MTHD" }, { 0x00000020, "ILLEGAL_CLASS" }, { 0x00000040, "DOUBLE_NOTIFY" }, { 0x00001000, "CONTEXT_SWITCH" }, { 0x00010000, "BUFFER_NOTIFY" }, { 0x00100000, "DATA_ERROR" }, { 0x00200000, "TRAP" }, { 0x01000000, "SINGLE_STEP" }, {} }; static const struct nouveau_bitfield nv50_graph_trap_prop[] = { { 0x00000004, "SURF_WIDTH_OVERRUN" }, { 0x00000008, "SURF_HEIGHT_OVERRUN" }, { 0x00000010, "DST2D_FAULT" }, { 0x00000020, "ZETA_FAULT" }, { 0x00000040, "RT_FAULT" }, { 0x00000080, "CUDA_FAULT" }, { 0x00000100, "DST2D_STORAGE_TYPE_MISMATCH" }, { 0x00000200, "ZETA_STORAGE_TYPE_MISMATCH" }, { 0x00000400, "RT_STORAGE_TYPE_MISMATCH" }, { 0x00000800, "DST2D_LINEAR_MISMATCH" }, { 0x00001000, "RT_LINEAR_MISMATCH" }, {} }; static void nv50_priv_prop_trap(struct nv50_graph_priv *priv, u32 ustatus_addr, u32 ustatus, u32 tp) { u32 e0c = nv_rd32(priv, ustatus_addr + 0x04); u32 e10 = nv_rd32(priv, ustatus_addr + 0x08); u32 e14 = nv_rd32(priv, ustatus_addr + 0x0c); u32 e18 = nv_rd32(priv, ustatus_addr + 0x10); u32 e1c = nv_rd32(priv, ustatus_addr + 0x14); u32 e20 = nv_rd32(priv, ustatus_addr + 0x18); u32 e24 = nv_rd32(priv, ustatus_addr + 0x1c); /* CUDA memory: l[], g[] or stack. */ if (ustatus & 0x00000080) { if (e18 & 0x80000000) { /* g[] read fault? */ nv_error(priv, "TRAP_PROP - TP %d - CUDA_FAULT - Global read fault at address %02x%08x\n", tp, e14, e10 | ((e18 >> 24) & 0x1f)); e18 &= ~0x1f000000; } else if (e18 & 0xc) { /* g[] write fault? */ nv_error(priv, "TRAP_PROP - TP %d - CUDA_FAULT - Global write fault at address %02x%08x\n", tp, e14, e10 | ((e18 >> 7) & 0x1f)); e18 &= ~0x00000f80; } else { nv_error(priv, "TRAP_PROP - TP %d - Unknown CUDA fault at address %02x%08x\n", tp, e14, e10); } ustatus &= ~0x00000080; } if (ustatus) { nv_error(priv, "TRAP_PROP - TP %d -", tp); nouveau_bitfield_print(nv50_graph_trap_prop, ustatus); pr_cont(" - Address %02x%08x\n", e14, e10); } nv_error(priv, "TRAP_PROP - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", tp, e0c, e18, e1c, e20, e24); } static void nv50_priv_mp_trap(struct nv50_graph_priv *priv, int tpid, int display) { u32 units = nv_rd32(priv, 0x1540); u32 addr, mp10, status, pc, oplow, ophigh; int i; int mps = 0; for (i = 0; i < 4; i++) { if (!(units & 1 << (i+24))) continue; if (nv_device(priv)->chipset < 0xa0) addr = 0x408200 + (tpid << 12) + (i << 7); else addr = 0x408100 + (tpid << 11) + (i << 7); mp10 = nv_rd32(priv, addr + 0x10); status = nv_rd32(priv, addr + 0x14); if (!status) continue; if (display) { nv_rd32(priv, addr + 0x20); pc = nv_rd32(priv, addr + 0x24); oplow = nv_rd32(priv, addr + 0x70); ophigh = nv_rd32(priv, addr + 0x74); nv_error(priv, "TRAP_MP_EXEC - " "TP %d MP %d:", tpid, i); nouveau_bitfield_print(nv50_mp_exec_errors, status); pr_cont(" at %06x warp %d, opcode %08x %08x\n", pc&0xffffff, pc >> 24, oplow, ophigh); } nv_wr32(priv, addr + 0x10, mp10); nv_wr32(priv, addr + 0x14, 0); mps++; } if (!mps && display) nv_error(priv, "TRAP_MP_EXEC - TP %d: " "No MPs claiming errors?\n", tpid); } static void nv50_priv_tp_trap(struct nv50_graph_priv *priv, int type, u32 ustatus_old, u32 ustatus_new, int display, const char *name) { int tps = 0; u32 units = nv_rd32(priv, 0x1540); int i, r; u32 ustatus_addr, ustatus; for (i = 0; i < 16; i++) { if (!(units & (1 << i))) continue; if (nv_device(priv)->chipset < 0xa0) ustatus_addr = ustatus_old + (i << 12); else ustatus_addr = ustatus_new + (i << 11); ustatus = nv_rd32(priv, ustatus_addr) & 0x7fffffff; if (!ustatus) continue; tps++; switch (type) { case 6: /* texture error... unknown for now */ if (display) { nv_error(priv, "magic set %d:\n", i); for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4) nv_error(priv, "\t0x%08x: 0x%08x\n", r, nv_rd32(priv, r)); if (ustatus) { nv_error(priv, "%s - TP%d:", name, i); nouveau_bitfield_print(nv50_tex_traps, ustatus); pr_cont("\n"); ustatus = 0; } } break; case 7: /* MP error */ if (ustatus & 0x04030000) { nv50_priv_mp_trap(priv, i, display); ustatus &= ~0x04030000; } if (ustatus && display) { nv_error(priv, "%s - TP%d:", name, i); nouveau_bitfield_print(nv50_mpc_traps, ustatus); pr_cont("\n"); ustatus = 0; } break; case 8: /* PROP error */ if (display) nv50_priv_prop_trap( priv, ustatus_addr, ustatus, i); ustatus = 0; break; } if (ustatus) { if (display) nv_error(priv, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus); } nv_wr32(priv, ustatus_addr, 0xc0000000); } if (!tps && display) nv_warn(priv, "%s - No TPs claiming errors?\n", name); } static int nv50_graph_trap_handler(struct nv50_graph_priv *priv, u32 display, int chid, u64 inst, struct nouveau_object *engctx) { u32 status = nv_rd32(priv, 0x400108); u32 ustatus; if (!status && display) { nv_error(priv, "TRAP: no units reporting traps?\n"); return 1; } /* DISPATCH: Relays commands to other units and handles NOTIFY, * COND, QUERY. If you get a trap from it, the command is still stuck * in DISPATCH and you need to do something about it. */ if (status & 0x001) { ustatus = nv_rd32(priv, 0x400804) & 0x7fffffff; if (!ustatus && display) { nv_error(priv, "TRAP_DISPATCH - no ustatus?\n"); } nv_wr32(priv, 0x400500, 0x00000000); /* Known to be triggered by screwed up NOTIFY and COND... */ if (ustatus & 0x00000001) { u32 addr = nv_rd32(priv, 0x400808); u32 subc = (addr & 0x00070000) >> 16; u32 mthd = (addr & 0x00001ffc); u32 datal = nv_rd32(priv, 0x40080c); u32 datah = nv_rd32(priv, 0x400810); u32 class = nv_rd32(priv, 0x400814); u32 r848 = nv_rd32(priv, 0x400848); nv_error(priv, "TRAP DISPATCH_FAULT\n"); if (display && (addr & 0x80000000)) { nv_error(priv, "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x%08x 400808 0x%08x 400848 0x%08x\n", chid, inst, nouveau_client_name(engctx), subc, class, mthd, datah, datal, addr, r848); } else if (display) { nv_error(priv, "no stuck command?\n"); } nv_wr32(priv, 0x400808, 0); nv_wr32(priv, 0x4008e8, nv_rd32(priv, 0x4008e8) & 3); nv_wr32(priv, 0x400848, 0); ustatus &= ~0x00000001; } if (ustatus & 0x00000002) { u32 addr = nv_rd32(priv, 0x40084c); u32 subc = (addr & 0x00070000) >> 16; u32 mthd = (addr & 0x00001ffc); u32 data = nv_rd32(priv, 0x40085c); u32 class = nv_rd32(priv, 0x400814); nv_error(priv, "TRAP DISPATCH_QUERY\n"); if (display && (addr & 0x80000000)) { nv_error(priv, "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x 40084c 0x%08x\n", chid, inst, nouveau_client_name(engctx), subc, class, mthd, data, addr); } else if (display) { nv_error(priv, "no stuck command?\n"); } nv_wr32(priv, 0x40084c, 0); ustatus &= ~0x00000002; } if (ustatus && display) { nv_error(priv, "TRAP_DISPATCH (unknown " "0x%08x)\n", ustatus); } nv_wr32(priv, 0x400804, 0xc0000000); nv_wr32(priv, 0x400108, 0x001); status &= ~0x001; if (!status) return 0; } /* M2MF: Memory to memory copy engine. */ if (status & 0x002) { u32 ustatus = nv_rd32(priv, 0x406800) & 0x7fffffff; if (display) { nv_error(priv, "TRAP_M2MF"); nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus); pr_cont("\n"); nv_error(priv, "TRAP_M2MF %08x %08x %08x %08x\n", nv_rd32(priv, 0x406804), nv_rd32(priv, 0x406808), nv_rd32(priv, 0x40680c), nv_rd32(priv, 0x406810)); } /* No sane way found yet -- just reset the bugger. */ nv_wr32(priv, 0x400040, 2); nv_wr32(priv, 0x400040, 0); nv_wr32(priv, 0x406800, 0xc0000000); nv_wr32(priv, 0x400108, 0x002); status &= ~0x002; } /* VFETCH: Fetches data from vertex buffers. */ if (status & 0x004) { u32 ustatus = nv_rd32(priv, 0x400c04) & 0x7fffffff; if (display) { nv_error(priv, "TRAP_VFETCH"); nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus); pr_cont("\n"); nv_error(priv, "TRAP_VFETCH %08x %08x %08x %08x\n", nv_rd32(priv, 0x400c00), nv_rd32(priv, 0x400c08), nv_rd32(priv, 0x400c0c), nv_rd32(priv, 0x400c10)); } nv_wr32(priv, 0x400c04, 0xc0000000); nv_wr32(priv, 0x400108, 0x004); status &= ~0x004; } /* STRMOUT: DirectX streamout / OpenGL transform feedback. */ if (status & 0x008) { ustatus = nv_rd32(priv, 0x401800) & 0x7fffffff; if (display) { nv_error(priv, "TRAP_STRMOUT"); nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus); pr_cont("\n"); nv_error(priv, "TRAP_STRMOUT %08x %08x %08x %08x\n", nv_rd32(priv, 0x401804), nv_rd32(priv, 0x401808), nv_rd32(priv, 0x40180c), nv_rd32(priv, 0x401810)); } /* No sane way found yet -- just reset the bugger. */ nv_wr32(priv, 0x400040, 0x80); nv_wr32(priv, 0x400040, 0); nv_wr32(priv, 0x401800, 0xc0000000); nv_wr32(priv, 0x400108, 0x008); status &= ~0x008; } /* CCACHE: Handles code and c[] caches and fills them. */ if (status & 0x010) { ustatus = nv_rd32(priv, 0x405018) & 0x7fffffff; if (display) { nv_error(priv, "TRAP_CCACHE"); nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus); pr_cont("\n"); nv_error(priv, "TRAP_CCACHE %08x %08x %08x %08x" " %08x %08x %08x\n", nv_rd32(priv, 0x405000), nv_rd32(priv, 0x405004), nv_rd32(priv, 0x405008), nv_rd32(priv, 0x40500c), nv_rd32(priv, 0x405010), nv_rd32(priv, 0x405014), nv_rd32(priv, 0x40501c)); } nv_wr32(priv, 0x405018, 0xc0000000); nv_wr32(priv, 0x400108, 0x010); status &= ~0x010; } /* Unknown, not seen yet... 0x402000 is the only trap status reg * remaining, so try to handle it anyway. Perhaps related to that * unknown DMA slot on tesla? */ if (status & 0x20) { ustatus = nv_rd32(priv, 0x402000) & 0x7fffffff; if (display) nv_error(priv, "TRAP_UNKC04 0x%08x\n", ustatus); nv_wr32(priv, 0x402000, 0xc0000000); /* no status modifiction on purpose */ } /* TEXTURE: CUDA texturing units */ if (status & 0x040) { nv50_priv_tp_trap(priv, 6, 0x408900, 0x408600, display, "TRAP_TEXTURE"); nv_wr32(priv, 0x400108, 0x040); status &= ~0x040; } /* MP: CUDA execution engines. */ if (status & 0x080) { nv50_priv_tp_trap(priv, 7, 0x408314, 0x40831c, display, "TRAP_MP"); nv_wr32(priv, 0x400108, 0x080); status &= ~0x080; } /* PROP: Handles TP-initiated uncached memory accesses: * l[], g[], stack, 2d surfaces, render targets. */ if (status & 0x100) { nv50_priv_tp_trap(priv, 8, 0x408e08, 0x408708, display, "TRAP_PROP"); nv_wr32(priv, 0x400108, 0x100); status &= ~0x100; } if (status) { if (display) nv_error(priv, "TRAP: unknown 0x%08x\n", status); nv_wr32(priv, 0x400108, status); } return 1; } static void nv50_graph_intr(struct nouveau_subdev *subdev) { struct nouveau_fifo *pfifo = nouveau_fifo(subdev); struct nouveau_engine *engine = nv_engine(subdev); struct nouveau_object *engctx; struct nouveau_handle *handle = NULL; struct nv50_graph_priv *priv = (void *)subdev; u32 stat = nv_rd32(priv, 0x400100); u32 inst = nv_rd32(priv, 0x40032c) & 0x0fffffff; u32 addr = nv_rd32(priv, 0x400704); u32 subc = (addr & 0x00070000) >> 16; u32 mthd = (addr & 0x00001ffc); u32 data = nv_rd32(priv, 0x400708); u32 class = nv_rd32(priv, 0x400814); u32 show = stat, show_bitfield = stat; int chid; engctx = nouveau_engctx_get(engine, inst); chid = pfifo->chid(pfifo, engctx); if (stat & 0x00000010) { handle = nouveau_handle_get_class(engctx, class); if (handle && !nv_call(handle->object, mthd, data)) show &= ~0x00000010; nouveau_handle_put(handle); } if (show & 0x00100000) { u32 ecode = nv_rd32(priv, 0x400110); nv_error(priv, "DATA_ERROR "); nouveau_enum_print(nv50_data_error_names, ecode); pr_cont("\n"); show_bitfield &= ~0x00100000; } if (stat & 0x00200000) { if (!nv50_graph_trap_handler(priv, show, chid, (u64)inst << 12, engctx)) show &= ~0x00200000; show_bitfield &= ~0x00200000; } nv_wr32(priv, 0x400100, stat); nv_wr32(priv, 0x400500, 0x00010001); if (show) { show &= show_bitfield; if (show) { nv_error(priv, "%s", ""); nouveau_bitfield_print(nv50_graph_intr_name, show); pr_cont("\n"); } nv_error(priv, "ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n", chid, (u64)inst << 12, nouveau_client_name(engctx), subc, class, mthd, data); } if (nv_rd32(priv, 0x400824) & (1 << 31)) nv_wr32(priv, 0x400824, nv_rd32(priv, 0x400824) & ~(1 << 31)); nouveau_engctx_put(engctx); } static int nv50_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_object **pobject) { struct nv50_graph_priv *priv; int ret; ret = nouveau_graph_create(parent, engine, oclass, true, &priv); *pobject = nv_object(priv); if (ret) return ret; nv_subdev(priv)->unit = 0x00201000; nv_subdev(priv)->intr = nv50_graph_intr; nv_engine(priv)->cclass = &nv50_graph_cclass; priv->base.units = nv50_graph_units; switch (nv_device(priv)->chipset) { case 0x50: nv_engine(priv)->sclass = nv50_graph_sclass; break; case 0x84: case 0x86: case 0x92: case 0x94: case 0x96: case 0x98: nv_engine(priv)->sclass = nv84_graph_sclass; break; case 0xa0: case 0xaa: case 0xac: nv_engine(priv)->sclass = nva0_graph_sclass; break; case 0xa3: case 0xa5: case 0xa8: nv_engine(priv)->sclass = nva3_graph_sclass; break; case 0xaf: nv_engine(priv)->sclass = nvaf_graph_sclass; break; } /* unfortunate hw bug workaround... */ if (nv_device(priv)->chipset != 0x50 && nv_device(priv)->chipset != 0xac) nv_engine(priv)->tlb_flush = nv84_graph_tlb_flush; spin_lock_init(&priv->lock); return 0; } static int nv50_graph_init(struct nouveau_object *object) { struct nv50_graph_priv *priv = (void *)object; int ret, units, i; ret = nouveau_graph_init(&priv->base); if (ret) return ret; /* NV_PGRAPH_DEBUG_3_HW_CTX_SWITCH_ENABLED */ nv_wr32(priv, 0x40008c, 0x00000004); /* reset/enable traps and interrupts */ nv_wr32(priv, 0x400804, 0xc0000000); nv_wr32(priv, 0x406800, 0xc0000000); nv_wr32(priv, 0x400c04, 0xc0000000); nv_wr32(priv, 0x401800, 0xc0000000); nv_wr32(priv, 0x405018, 0xc0000000); nv_wr32(priv, 0x402000, 0xc0000000); units = nv_rd32(priv, 0x001540); for (i = 0; i < 16; i++) { if (!(units & (1 << i))) continue; if (nv_device(priv)->chipset < 0xa0) { nv_wr32(priv, 0x408900 + (i << 12), 0xc0000000); nv_wr32(priv, 0x408e08 + (i << 12), 0xc0000000); nv_wr32(priv, 0x408314 + (i << 12), 0xc0000000); } else { nv_wr32(priv, 0x408600 + (i << 11), 0xc0000000); nv_wr32(priv, 0x408708 + (i << 11), 0xc0000000); nv_wr32(priv, 0x40831c + (i << 11), 0xc0000000); } } nv_wr32(priv, 0x400108, 0xffffffff); nv_wr32(priv, 0x400138, 0xffffffff); nv_wr32(priv, 0x400100, 0xffffffff); nv_wr32(priv, 0x40013c, 0xffffffff); nv_wr32(priv, 0x400500, 0x00010001); /* upload context program, initialise ctxctl defaults */ ret = nv50_grctx_init(nv_device(priv), &priv->size); if (ret) return ret; nv_wr32(priv, 0x400824, 0x00000000); nv_wr32(priv, 0x400828, 0x00000000); nv_wr32(priv, 0x40082c, 0x00000000); nv_wr32(priv, 0x400830, 0x00000000); nv_wr32(priv, 0x40032c, 0x00000000); nv_wr32(priv, 0x400330, 0x00000000); /* some unknown zcull magic */ switch (nv_device(priv)->chipset & 0xf0) { case 0x50: case 0x80: case 0x90: nv_wr32(priv, 0x402ca8, 0x00000800); break; case 0xa0: default: if (nv_device(priv)->chipset == 0xa0 || nv_device(priv)->chipset == 0xaa || nv_device(priv)->chipset == 0xac) { nv_wr32(priv, 0x402ca8, 0x00000802); } else { nv_wr32(priv, 0x402cc0, 0x00000000); nv_wr32(priv, 0x402ca8, 0x00000002); } break; } /* zero out zcull regions */ for (i = 0; i < 8; i++) { nv_wr32(priv, 0x402c20 + (i * 0x10), 0x00000000); nv_wr32(priv, 0x402c24 + (i * 0x10), 0x00000000); nv_wr32(priv, 0x402c28 + (i * 0x10), 0x00000000); nv_wr32(priv, 0x402c2c + (i * 0x10), 0x00000000); } return 0; } struct nouveau_oclass nv50_graph_oclass = { .handle = NV_ENGINE(GR, 0x50), .ofuncs = &(struct nouveau_ofuncs) { .ctor = nv50_graph_ctor, .dtor = _nouveau_graph_dtor, .init = nv50_graph_init, .fini = _nouveau_graph_fini, }, };