diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2010-11-03 13:16:18 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-03 15:11:41 +1000 |
commit | 274fec93cdd627408a799519fa602f2eecb14d2f (patch) | |
tree | 1ffc788a096237583608dfa3f09caccfc500ec82 /drivers/gpu/drm/nouveau/nv50_graph.c | |
parent | 5178d40dff23b5eef7f0a3be2411fa6a347e750d (diff) | |
download | blackbird-op-linux-274fec93cdd627408a799519fa602f2eecb14d2f.tar.gz blackbird-op-linux-274fec93cdd627408a799519fa602f2eecb14d2f.zip |
drm/nouveau: tidy+move PGRAPH ISRs to their respective *_graph.c files
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_graph.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_graph.c | 500 |
1 files changed, 498 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index 6785269f778a..b3900788c66d 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -32,7 +32,8 @@ #include "nouveau_dma.h" #include "nv50_evo.h" -static int nv50_graph_register(struct drm_device *); +static int nv50_graph_register(struct drm_device *); +static void nv50_graph_isr(struct drm_device *); static void nv50_graph_init_reset(struct drm_device *dev) @@ -50,6 +51,7 @@ nv50_graph_init_intr(struct drm_device *dev) { NV_DEBUG(dev, "\n"); + nouveau_irq_register(dev, 12, nv50_graph_isr); nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff); nv_wr32(dev, 0x400138, 0xffffffff); nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff); @@ -165,6 +167,8 @@ void nv50_graph_takedown(struct drm_device *dev) { NV_DEBUG(dev, "\n"); + nv_wr32(dev, 0x40013c, 0x00000000); + nouveau_irq_unregister(dev, 12); } void @@ -324,7 +328,7 @@ nv50_graph_unload_context(struct drm_device *dev) return 0; } -void +static void nv50_graph_context_switch(struct drm_device *dev) { uint32_t inst; @@ -512,3 +516,495 @@ nv86_graph_tlb_flush(struct drm_device *dev) nv_mask(dev, 0x400500, 0x00000001, 0x00000001); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); } + +static struct nouveau_enum nv50_mp_exec_error_names[] = +{ + { 3, "STACK_UNDERFLOW" }, + { 4, "QUADON_ACTIVE" }, + { 8, "TIMEOUT" }, + { 0x10, "INVALID_OPCODE" }, + { 0x40, "BREAKPOINT" }, + {} +}; + +static struct nouveau_bitfield nv50_graph_trap_m2mf[] = { + { 0x00000001, "NOTIFY" }, + { 0x00000002, "IN" }, + { 0x00000004, "OUT" }, + {} +}; + +static struct nouveau_bitfield nv50_graph_trap_vfetch[] = { + { 0x00000001, "FAULT" }, + {} +}; + +static struct nouveau_bitfield nv50_graph_trap_strmout[] = { + { 0x00000001, "FAULT" }, + {} +}; + +static struct nouveau_bitfield nv50_graph_trap_ccache[] = { + { 0x00000001, "FAULT" }, + {} +}; + +/* There must be a *lot* of these. Will take some time to gather them up. */ +static struct nouveau_enum nv50_data_error_names[] = { + { 4, "INVALID_VALUE" }, + { 5, "INVALID_ENUM" }, + { 8, "INVALID_OBJECT" }, + { 0xc, "INVALID_BITFIELD" }, + { 0x28, "MP_NO_REG_SPACE" }, + { 0x2b, "MP_BLOCK_SIZE_MISMATCH" }, + {} +}; + +static struct nouveau_bitfield nv50_graph_intr[] = { + { 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 void +nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint32_t units = nv_rd32(dev, 0x1540); + uint32_t addr, mp10, status, pc, oplow, ophigh; + int i; + int mps = 0; + for (i = 0; i < 4; i++) { + if (!(units & 1 << (i+24))) + continue; + if (dev_priv->chipset < 0xa0) + addr = 0x408200 + (tpid << 12) + (i << 7); + else + addr = 0x408100 + (tpid << 11) + (i << 7); + mp10 = nv_rd32(dev, addr + 0x10); + status = nv_rd32(dev, addr + 0x14); + if (!status) + continue; + if (display) { + nv_rd32(dev, addr + 0x20); + pc = nv_rd32(dev, addr + 0x24); + oplow = nv_rd32(dev, addr + 0x70); + ophigh= nv_rd32(dev, addr + 0x74); + NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - " + "TP %d MP %d: ", tpid, i); + nouveau_enum_print(nv50_mp_exec_error_names, status); + printk(" at %06x warp %d, opcode %08x %08x\n", + pc&0xffffff, pc >> 24, + oplow, ophigh); + } + nv_wr32(dev, addr + 0x10, mp10); + nv_wr32(dev, addr + 0x14, 0); + mps++; + } + if (!mps && display) + NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: " + "No MPs claiming errors?\n", tpid); +} + +static void +nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old, + uint32_t ustatus_new, int display, const char *name) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + int tps = 0; + uint32_t units = nv_rd32(dev, 0x1540); + int i, r; + uint32_t ustatus_addr, ustatus; + for (i = 0; i < 16; i++) { + if (!(units & (1 << i))) + continue; + if (dev_priv->chipset < 0xa0) + ustatus_addr = ustatus_old + (i << 12); + else + ustatus_addr = ustatus_new + (i << 11); + ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff; + if (!ustatus) + continue; + tps++; + switch (type) { + case 6: /* texture error... unknown for now */ + nv50_fb_vm_trap(dev, display, name); + if (display) { + NV_ERROR(dev, "magic set %d:\n", i); + for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4) + NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, + nv_rd32(dev, r)); + } + break; + case 7: /* MP error */ + if (ustatus & 0x00010000) { + nv50_pgraph_mp_trap(dev, i, display); + ustatus &= ~0x00010000; + } + break; + case 8: /* TPDMA error */ + { + uint32_t e0c = nv_rd32(dev, ustatus_addr + 4); + uint32_t e10 = nv_rd32(dev, ustatus_addr + 8); + uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc); + uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10); + uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14); + uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18); + uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c); + nv50_fb_vm_trap(dev, display, name); + /* 2d engine destination */ + if (ustatus & 0x00000010) { + if (display) { + NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n", + i, e14, e10); + NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", + i, e0c, e18, e1c, e20, e24); + } + ustatus &= ~0x00000010; + } + /* Render target */ + if (ustatus & 0x00000040) { + if (display) { + NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n", + i, e14, e10); + NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", + i, e0c, e18, e1c, e20, e24); + } + ustatus &= ~0x00000040; + } + /* CUDA memory: l[], g[] or stack. */ + if (ustatus & 0x00000080) { + if (display) { + if (e18 & 0x80000000) { + /* g[] read fault? */ + NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n", + i, e14, e10 | ((e18 >> 24) & 0x1f)); + e18 &= ~0x1f000000; + } else if (e18 & 0xc) { + /* g[] write fault? */ + NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n", + i, e14, e10 | ((e18 >> 7) & 0x1f)); + e18 &= ~0x00000f80; + } else { + NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n", + i, e14, e10); + } + NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", + i, e0c, e18, e1c, e20, e24); + } + ustatus &= ~0x00000080; + } + } + break; + } + if (ustatus) { + if (display) + NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus); + } + nv_wr32(dev, ustatus_addr, 0xc0000000); + } + + if (!tps && display) + NV_INFO(dev, "%s - No TPs claiming errors?\n", name); +} + +static int +nv50_pgraph_trap_handler(struct drm_device *dev, u32 display, u64 inst, u32 chid) +{ + u32 status = nv_rd32(dev, 0x400108); + u32 ustatus; + + if (!status && display) { + NV_INFO(dev, "PGRAPH - 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(dev, 0x400804) & 0x7fffffff; + if (!ustatus && display) { + NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n"); + } + + nv_wr32(dev, 0x400500, 0x00000000); + + /* Known to be triggered by screwed up NOTIFY and COND... */ + if (ustatus & 0x00000001) { + u32 addr = nv_rd32(dev, 0x400808); + u32 subc = (addr & 0x00070000) >> 16; + u32 mthd = (addr & 0x00001ffc); + u32 datal = nv_rd32(dev, 0x40080c); + u32 datah = nv_rd32(dev, 0x400810); + u32 class = nv_rd32(dev, 0x400814); + u32 r848 = nv_rd32(dev, 0x400848); + + NV_INFO(dev, "PGRAPH - TRAP DISPATCH_FAULT\n"); + if (display && (addr & 0x80000000)) { + NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) " + "subc %d class 0x%04x mthd 0x%04x " + "data 0x%08x%08x " + "400808 0x%08x 400848 0x%08x\n", + chid, inst, subc, class, mthd, datah, + datal, addr, r848); + } else + if (display) { + NV_INFO(dev, "PGRAPH - no stuck command?\n"); + } + + nv_wr32(dev, 0x400808, 0); + nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3); + nv_wr32(dev, 0x400848, 0); + ustatus &= ~0x00000001; + } + + if (ustatus & 0x00000002) { + u32 addr = nv_rd32(dev, 0x40084c); + u32 subc = (addr & 0x00070000) >> 16; + u32 mthd = (addr & 0x00001ffc); + u32 data = nv_rd32(dev, 0x40085c); + u32 class = nv_rd32(dev, 0x400814); + + NV_INFO(dev, "PGRAPH - TRAP DISPATCH_QUERY\n"); + if (display && (addr & 0x80000000)) { + NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) " + "subc %d class 0x%04x mthd 0x%04x " + "data 0x%08x 40084c 0x%08x\n", + chid, inst, subc, class, mthd, + data, addr); + } else + if (display) { + NV_INFO(dev, "PGRAPH - no stuck command?\n"); + } + + nv_wr32(dev, 0x40084c, 0); + ustatus &= ~0x00000002; + } + + if (ustatus && display) { + NV_INFO(dev, "PGRAPH - TRAP_DISPATCH (unknown " + "0x%08x)\n", ustatus); + } + + nv_wr32(dev, 0x400804, 0xc0000000); + nv_wr32(dev, 0x400108, 0x001); + status &= ~0x001; + if (!status) + return 0; + } + + /* M2MF: Memory to memory copy engine. */ + if (status & 0x002) { + u32 ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff; + if (display) { + NV_INFO(dev, "PGRAPH - TRAP_M2MF"); + nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus); + printk("\n"); + NV_INFO(dev, "PGRAPH - TRAP_M2MF %08x %08x %08x %08x\n", + nv_rd32(dev, 0x406804), nv_rd32(dev, 0x406808), + nv_rd32(dev, 0x40680c), nv_rd32(dev, 0x406810)); + + } + + /* No sane way found yet -- just reset the bugger. */ + nv_wr32(dev, 0x400040, 2); + nv_wr32(dev, 0x400040, 0); + nv_wr32(dev, 0x406800, 0xc0000000); + nv_wr32(dev, 0x400108, 0x002); + status &= ~0x002; + } + + /* VFETCH: Fetches data from vertex buffers. */ + if (status & 0x004) { + u32 ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff; + if (display) { + NV_INFO(dev, "PGRAPH - TRAP_VFETCH"); + nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus); + printk("\n"); + NV_INFO(dev, "PGRAPH - TRAP_VFETCH %08x %08x %08x %08x\n", + nv_rd32(dev, 0x400c00), nv_rd32(dev, 0x400c08), + nv_rd32(dev, 0x400c0c), nv_rd32(dev, 0x400c10)); + } + + nv_wr32(dev, 0x400c04, 0xc0000000); + nv_wr32(dev, 0x400108, 0x004); + status &= ~0x004; + } + + /* STRMOUT: DirectX streamout / OpenGL transform feedback. */ + if (status & 0x008) { + ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff; + if (display) { + NV_INFO(dev, "PGRAPH - TRAP_STRMOUT"); + nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus); + printk("\n"); + NV_INFO(dev, "PGRAPH - TRAP_STRMOUT %08x %08x %08x %08x\n", + nv_rd32(dev, 0x401804), nv_rd32(dev, 0x401808), + nv_rd32(dev, 0x40180c), nv_rd32(dev, 0x401810)); + + } + + /* No sane way found yet -- just reset the bugger. */ + nv_wr32(dev, 0x400040, 0x80); + nv_wr32(dev, 0x400040, 0); + nv_wr32(dev, 0x401800, 0xc0000000); + nv_wr32(dev, 0x400108, 0x008); + status &= ~0x008; + } + + /* CCACHE: Handles code and c[] caches and fills them. */ + if (status & 0x010) { + ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff; + if (display) { + NV_INFO(dev, "PGRAPH - TRAP_CCACHE"); + nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus); + printk("\n"); + NV_INFO(dev, "PGRAPH - TRAP_CCACHE %08x %08x %08x %08x" + " %08x %08x %08x\n", + nv_rd32(dev, 0x405800), nv_rd32(dev, 0x405804), + nv_rd32(dev, 0x405808), nv_rd32(dev, 0x40580c), + nv_rd32(dev, 0x405810), nv_rd32(dev, 0x405814), + nv_rd32(dev, 0x40581c)); + + } + + nv_wr32(dev, 0x405018, 0xc0000000); + nv_wr32(dev, 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(dev, 0x402000) & 0x7fffffff; + if (display) + NV_INFO(dev, "PGRAPH - TRAP_UNKC04 0x%08x\n", ustatus); + nv_wr32(dev, 0x402000, 0xc0000000); + /* no status modifiction on purpose */ + } + + /* TEXTURE: CUDA texturing units */ + if (status & 0x040) { + nv50_pgraph_tp_trap(dev, 6, 0x408900, 0x408600, display, + "PGRAPH - TRAP_TEXTURE"); + nv_wr32(dev, 0x400108, 0x040); + status &= ~0x040; + } + + /* MP: CUDA execution engines. */ + if (status & 0x080) { + nv50_pgraph_tp_trap(dev, 7, 0x408314, 0x40831c, display, + "PGRAPH - TRAP_MP"); + nv_wr32(dev, 0x400108, 0x080); + status &= ~0x080; + } + + /* TPDMA: Handles TP-initiated uncached memory accesses: + * l[], g[], stack, 2d surfaces, render targets. */ + if (status & 0x100) { + nv50_pgraph_tp_trap(dev, 8, 0x408e08, 0x408708, display, + "PGRAPH - TRAP_TPDMA"); + nv_wr32(dev, 0x400108, 0x100); + status &= ~0x100; + } + + if (status) { + if (display) + NV_INFO(dev, "PGRAPH - TRAP: unknown 0x%08x\n", status); + nv_wr32(dev, 0x400108, status); + } + + return 1; +} + +static int +nv50_graph_isr_chid(struct drm_device *dev, u64 inst) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *chan; + unsigned long flags; + int i; + + spin_lock_irqsave(&dev_priv->channels.lock, flags); + for (i = 0; i < dev_priv->engine.fifo.channels; i++) { + chan = dev_priv->channels.ptr[i]; + if (!chan || !chan->ramin) + continue; + + if (inst == chan->ramin->vinst) + break; + } + spin_unlock_irqrestore(&dev_priv->channels.lock, flags); + return i; +} + +static void +nv50_graph_isr(struct drm_device *dev) +{ + u32 stat; + + while ((stat = nv_rd32(dev, 0x400100))) { + u64 inst = (u64)(nv_rd32(dev, 0x40032c) & 0x0fffffff) << 12; + u32 chid = nv50_graph_isr_chid(dev, inst); + u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR); + u32 subc = (addr & 0x00070000) >> 16; + u32 mthd = (addr & 0x00001ffc); + u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA); + u32 class = nv_rd32(dev, 0x400814); + u32 show = stat; + + if (stat & 0x00000010) { + if (!nouveau_gpuobj_mthd_call2(dev, chid, class, + mthd, data)) + show &= ~0x00000010; + } + + if (stat & 0x00001000) { + nv_wr32(dev, 0x400500, 0x00000000); + nv_wr32(dev, 0x400100, 0x00001000); + nv_mask(dev, 0x40013c, 0x00001000, 0x00000000); + nv50_graph_context_switch(dev); + stat &= ~0x00001000; + show &= ~0x00001000; + } + + show = (show && nouveau_ratelimit()) ? show : 0; + + if (show & 0x00100000) { + u32 ecode = nv_rd32(dev, 0x400110); + NV_INFO(dev, "PGRAPH - DATA_ERROR "); + nouveau_enum_print(nv50_data_error_names, ecode); + printk("\n"); + } + + if (stat & 0x00200000) { + if (!nv50_pgraph_trap_handler(dev, show, inst, chid)) + show &= ~0x00200000; + } + + nv_wr32(dev, 0x400100, stat); + nv_wr32(dev, 0x400500, 0x00010001); + + if (show) { + NV_INFO(dev, "PGRAPH -"); + nouveau_bitfield_print(nv50_graph_intr, show); + printk("\n"); + NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) subc %d " + "class 0x%04x mthd 0x%04x data 0x%08x\n", + chid, inst, subc, class, mthd, data); + } + } + + if (nv_rd32(dev, 0x400824) & (1 << 31)) + nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31)); +} |