From f73221e4aa766a58b784729968159013cc73459d Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 6 Sep 2012 01:03:47 -0400 Subject: [PATCH] drm/nvc0/gr: implement initial trap handler Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/engine/graph/nvc0.c | 192 +++++++++++++++++- 1 file changed, 188 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index f002e7e91318..c62f2d0f5f0a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -223,6 +223,192 @@ nvc0_graph_ctxctl_isr(struct nvc0_graph_priv *priv) nv_wr32(priv, 0x409c20, ustat); } +static void +nvc0_graph_trap_tpc(struct nvc0_graph_priv *priv, int gpc, int tpc) +{ + u32 stat = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0508)); + + if (stat & 0x00000001) { + u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0224)); + nv_error(priv, "GPC%d/TPC%d/TEX: 0x%08x\n", gpc, tpc, trap); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000001); + stat &= ~0x00000001; + } + + if (stat & 0x00000002) { + u32 trap0 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0644)); + u32 trap1 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x064c)); + nv_error(priv, "GPC%d/TPC%d/MP: 0x%08x 0x%08x\n", + gpc, tpc, trap0, trap1); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0644), 0x001ffffe); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x064c), 0x0000000f); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000002); + stat &= ~0x00000002; + } + + if (stat & 0x00000004) { + u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0084)); + nv_error(priv, "GPC%d/TPC%d/POLY: 0x%08x\n", gpc, tpc, trap); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000004); + stat &= ~0x00000004; + } + + if (stat & 0x00000008) { + u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x048c)); + nv_error(priv, "GPC%d/TPC%d/L1C: 0x%08x\n", gpc, tpc, trap); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000008); + stat &= ~0x00000008; + } + + if (stat) { + nv_error(priv, "GPC%d/TPC%d/0x%08x: unknown\n", gpc, tpc, stat); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), stat); + } +} + +static void +nvc0_graph_trap_gpc(struct nvc0_graph_priv *priv, int gpc) +{ + u32 stat = nv_rd32(priv, GPC_UNIT(gpc, 0x2c90)); + int tpc; + + if (stat & 0x00000001) { + u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0420)); + nv_error(priv, "GPC%d/PROP: 0x%08x\n", gpc, trap); + nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000001); + stat &= ~0x00000001; + } + + if (stat & 0x00000002) { + u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0900)); + nv_error(priv, "GPC%d/ZCULL: 0x%08x\n", gpc, trap); + nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000002); + stat &= ~0x00000002; + } + + if (stat & 0x00000004) { + u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x1028)); + nv_error(priv, "GPC%d/CCACHE: 0x%08x\n", gpc, trap); + nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000004); + stat &= ~0x00000004; + } + + if (stat & 0x00000008) { + u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0824)); + nv_error(priv, "GPC%d/ESETUP: 0x%08x\n", gpc, trap); + nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000008); + stat &= ~0x00000009; + } + + for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) { + u32 mask = 0x00010000 << tpc; + if (stat & mask) { + nvc0_graph_trap_tpc(priv, gpc, tpc); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), mask); + stat &= ~mask; + } + } + + if (stat) { + nv_error(priv, "GPC%d/0x%08x: unknown\n", gpc, stat); + nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), stat); + } +} + +static void +nvc0_graph_trap_intr(struct nvc0_graph_priv *priv) +{ + u32 trap = nv_rd32(priv, 0x400108); + int rop, gpc; + + if (trap & 0x00000001) { + u32 stat = nv_rd32(priv, 0x404000); + nv_error(priv, "DISPATCH 0x%08x\n", stat); + nv_wr32(priv, 0x404000, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000001); + trap &= ~0x00000001; + } + + if (trap & 0x00000002) { + u32 stat = nv_rd32(priv, 0x404600); + nv_error(priv, "M2MF 0x%08x\n", stat); + nv_wr32(priv, 0x404600, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000002); + trap &= ~0x00000002; + } + + if (trap & 0x00000008) { + u32 stat = nv_rd32(priv, 0x408030); + nv_error(priv, "CCACHE 0x%08x\n", stat); + nv_wr32(priv, 0x408030, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000008); + trap &= ~0x00000008; + } + + if (trap & 0x00000010) { + u32 stat = nv_rd32(priv, 0x405840); + nv_error(priv, "SHADER 0x%08x\n", stat); + nv_wr32(priv, 0x405840, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000010); + trap &= ~0x00000010; + } + + if (trap & 0x00000040) { + u32 stat = nv_rd32(priv, 0x40601c); + nv_error(priv, "UNK6 0x%08x\n", stat); + nv_wr32(priv, 0x40601c, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000040); + trap &= ~0x00000040; + } + + if (trap & 0x00000080) { + u32 stat = nv_rd32(priv, 0x404490); + nv_error(priv, "MACRO 0x%08x\n", stat); + nv_wr32(priv, 0x404490, 0xc0000000); + nv_wr32(priv, 0x400108, 0x00000080); + trap &= ~0x00000080; + } + + if (trap & 0x01000000) { + u32 stat = nv_rd32(priv, 0x400118); + for (gpc = 0; stat && gpc < priv->gpc_nr; gpc++) { + u32 mask = 0x00000001 << gpc; + if (stat & mask) { + nvc0_graph_trap_gpc(priv, gpc); + nv_wr32(priv, 0x400118, mask); + stat &= ~mask; + } + } + nv_wr32(priv, 0x400108, 0x01000000); + trap &= ~0x01000000; + } + + if (trap & 0x02000000) { + for (rop = 0; rop < priv->rop_nr; rop++) { + u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070)); + u32 statc = nv_rd32(priv, ROP_UNIT(rop, 0x144)); + nv_error(priv, "ROP%d 0x%08x 0x%08x\n", + rop, statz, statc); + nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000); + nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000); + } + nv_wr32(priv, 0x400108, 0x02000000); + trap &= ~0x02000000; + } + + if (trap) { + nv_error(priv, "TRAP UNHANDLED 0x%08x\n", trap); + nv_wr32(priv, 0x400108, trap); + } +} + static void nvc0_graph_intr(struct nouveau_subdev *subdev) { @@ -276,10 +462,8 @@ nvc0_graph_intr(struct nouveau_subdev *subdev) } if (stat & 0x00200000) { - u32 trap = nv_rd32(priv, 0x400108); - nv_error(priv, "TRAP ch %d [0x%010llx] status 0x%08x\n", - chid, inst << 12, trap); - nv_wr32(priv, 0x400108, trap); + nv_error(priv, "TRAP ch %d [0x%010llx]\n", chid, inst << 12); + nvc0_graph_trap_intr(priv); nv_wr32(priv, 0x400100, 0x00200000); stat &= ~0x00200000; } -- GitLab