diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c | 967 |
1 files changed, 967 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c new file mode 100644 index 000000000000..b745252f2261 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c @@ -0,0 +1,967 @@ +/* + * 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 <engine/fifo.h> + +#include <core/client.h> +#include <core/engctx.h> +#include <core/enum.h> +#include <core/handle.h> +#include <subdev/bar.h> +#include <subdev/fb.h> +#include <subdev/mmu.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +struct gf100_fifo_priv { + struct nvkm_fifo base; + + struct work_struct fault; + u64 mask; + + struct { + struct nvkm_gpuobj *mem[2]; + int active; + wait_queue_head_t wait; + } runlist; + + struct { + struct nvkm_gpuobj *mem; + struct nvkm_vma bar; + } user; + int spoon_nr; +}; + +struct gf100_fifo_base { + struct nvkm_fifo_base base; + struct nvkm_gpuobj *pgd; + struct nvkm_vm *vm; +}; + +struct gf100_fifo_chan { + struct nvkm_fifo_chan base; + enum { + STOPPED, + RUNNING, + KILLED + } state; +}; + +/******************************************************************************* + * FIFO channel objects + ******************************************************************************/ + +static void +gf100_fifo_runlist_update(struct gf100_fifo_priv *priv) +{ + struct nvkm_bar *bar = nvkm_bar(priv); + struct nvkm_gpuobj *cur; + int i, p; + + mutex_lock(&nv_subdev(priv)->mutex); + cur = priv->runlist.mem[priv->runlist.active]; + priv->runlist.active = !priv->runlist.active; + + for (i = 0, p = 0; i < 128; i++) { + struct gf100_fifo_chan *chan = (void *)priv->base.channel[i]; + if (chan && chan->state == RUNNING) { + nv_wo32(cur, p + 0, i); + nv_wo32(cur, p + 4, 0x00000004); + p += 8; + } + } + bar->flush(bar); + + nv_wr32(priv, 0x002270, cur->addr >> 12); + nv_wr32(priv, 0x002274, 0x01f00000 | (p >> 3)); + + if (wait_event_timeout(priv->runlist.wait, + !(nv_rd32(priv, 0x00227c) & 0x00100000), + msecs_to_jiffies(2000)) == 0) + nv_error(priv, "runlist update timeout\n"); + mutex_unlock(&nv_subdev(priv)->mutex); +} + +static int +gf100_fifo_context_attach(struct nvkm_object *parent, + struct nvkm_object *object) +{ + struct nvkm_bar *bar = nvkm_bar(parent); + struct gf100_fifo_base *base = (void *)parent->parent; + struct nvkm_engctx *ectx = (void *)object; + u32 addr; + int ret; + + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_SW : return 0; + case NVDEV_ENGINE_GR : addr = 0x0210; break; + case NVDEV_ENGINE_CE0 : addr = 0x0230; break; + case NVDEV_ENGINE_CE1 : addr = 0x0240; break; + case NVDEV_ENGINE_MSVLD : addr = 0x0270; break; + case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break; + case NVDEV_ENGINE_MSPPP : addr = 0x0260; break; + default: + return -EINVAL; + } + + if (!ectx->vma.node) { + ret = nvkm_gpuobj_map_vm(nv_gpuobj(ectx), base->vm, + NV_MEM_ACCESS_RW, &ectx->vma); + if (ret) + return ret; + + nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12; + } + + nv_wo32(base, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4); + nv_wo32(base, addr + 0x04, upper_32_bits(ectx->vma.offset)); + bar->flush(bar); + return 0; +} + +static int +gf100_fifo_context_detach(struct nvkm_object *parent, bool suspend, + struct nvkm_object *object) +{ + struct nvkm_bar *bar = nvkm_bar(parent); + struct gf100_fifo_priv *priv = (void *)parent->engine; + struct gf100_fifo_base *base = (void *)parent->parent; + struct gf100_fifo_chan *chan = (void *)parent; + u32 addr; + + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_SW : return 0; + case NVDEV_ENGINE_GR : addr = 0x0210; break; + case NVDEV_ENGINE_CE0 : addr = 0x0230; break; + case NVDEV_ENGINE_CE1 : addr = 0x0240; break; + case NVDEV_ENGINE_MSVLD : addr = 0x0270; break; + case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break; + case NVDEV_ENGINE_MSPPP : addr = 0x0260; break; + default: + return -EINVAL; + } + + nv_wr32(priv, 0x002634, chan->base.chid); + if (!nv_wait(priv, 0x002634, 0xffffffff, chan->base.chid)) { + nv_error(priv, "channel %d [%s] kick timeout\n", + chan->base.chid, nvkm_client_name(chan)); + if (suspend) + return -EBUSY; + } + + nv_wo32(base, addr + 0x00, 0x00000000); + nv_wo32(base, addr + 0x04, 0x00000000); + bar->flush(bar); + return 0; +} + +static int +gf100_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_channel_gpfifo_v0 v0; + } *args = data; + struct nvkm_bar *bar = nvkm_bar(parent); + struct gf100_fifo_priv *priv = (void *)engine; + struct gf100_fifo_base *base = (void *)parent; + struct gf100_fifo_chan *chan; + u64 usermem, ioffset, ilength; + int ret, i; + + nv_ioctl(parent, "create channel gpfifo size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create channel gpfifo vers %d pushbuf %08x " + "ioffset %016llx ilength %08x\n", + args->v0.version, args->v0.pushbuf, args->v0.ioffset, + args->v0.ilength); + } else + return ret; + + ret = nvkm_fifo_channel_create(parent, engine, oclass, 1, + priv->user.bar.offset, 0x1000, + args->v0.pushbuf, + (1ULL << NVDEV_ENGINE_SW) | + (1ULL << NVDEV_ENGINE_GR) | + (1ULL << NVDEV_ENGINE_CE0) | + (1ULL << NVDEV_ENGINE_CE1) | + (1ULL << NVDEV_ENGINE_MSVLD) | + (1ULL << NVDEV_ENGINE_MSPDEC) | + (1ULL << NVDEV_ENGINE_MSPPP), &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + args->v0.chid = chan->base.chid; + + nv_parent(chan)->context_attach = gf100_fifo_context_attach; + nv_parent(chan)->context_detach = gf100_fifo_context_detach; + + usermem = chan->base.chid * 0x1000; + ioffset = args->v0.ioffset; + ilength = order_base_2(args->v0.ilength / 8); + + for (i = 0; i < 0x1000; i += 4) + nv_wo32(priv->user.mem, usermem + i, 0x00000000); + + nv_wo32(base, 0x08, lower_32_bits(priv->user.mem->addr + usermem)); + nv_wo32(base, 0x0c, upper_32_bits(priv->user.mem->addr + usermem)); + nv_wo32(base, 0x10, 0x0000face); + nv_wo32(base, 0x30, 0xfffff902); + nv_wo32(base, 0x48, lower_32_bits(ioffset)); + nv_wo32(base, 0x4c, upper_32_bits(ioffset) | (ilength << 16)); + nv_wo32(base, 0x54, 0x00000002); + nv_wo32(base, 0x84, 0x20400000); + nv_wo32(base, 0x94, 0x30000001); + nv_wo32(base, 0x9c, 0x00000100); + nv_wo32(base, 0xa4, 0x1f1f1f1f); + nv_wo32(base, 0xa8, 0x1f1f1f1f); + nv_wo32(base, 0xac, 0x0000001f); + nv_wo32(base, 0xb8, 0xf8000000); + nv_wo32(base, 0xf8, 0x10003080); /* 0x002310 */ + nv_wo32(base, 0xfc, 0x10000010); /* 0x002350 */ + bar->flush(bar); + return 0; +} + +static int +gf100_fifo_chan_init(struct nvkm_object *object) +{ + struct nvkm_gpuobj *base = nv_gpuobj(object->parent); + struct gf100_fifo_priv *priv = (void *)object->engine; + struct gf100_fifo_chan *chan = (void *)object; + u32 chid = chan->base.chid; + int ret; + + ret = nvkm_fifo_channel_init(&chan->base); + if (ret) + return ret; + + nv_wr32(priv, 0x003000 + (chid * 8), 0xc0000000 | base->addr >> 12); + + if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) { + nv_wr32(priv, 0x003004 + (chid * 8), 0x001f0001); + gf100_fifo_runlist_update(priv); + } + + return 0; +} + +static void gf100_fifo_intr_engine(struct gf100_fifo_priv *priv); + +static int +gf100_fifo_chan_fini(struct nvkm_object *object, bool suspend) +{ + struct gf100_fifo_priv *priv = (void *)object->engine; + struct gf100_fifo_chan *chan = (void *)object; + u32 chid = chan->base.chid; + + if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) { + nv_mask(priv, 0x003004 + (chid * 8), 0x00000001, 0x00000000); + gf100_fifo_runlist_update(priv); + } + + gf100_fifo_intr_engine(priv); + + nv_wr32(priv, 0x003000 + (chid * 8), 0x00000000); + return nvkm_fifo_channel_fini(&chan->base, suspend); +} + +static struct nvkm_ofuncs +gf100_fifo_ofuncs = { + .ctor = gf100_fifo_chan_ctor, + .dtor = _nvkm_fifo_channel_dtor, + .init = gf100_fifo_chan_init, + .fini = gf100_fifo_chan_fini, + .map = _nvkm_fifo_channel_map, + .rd32 = _nvkm_fifo_channel_rd32, + .wr32 = _nvkm_fifo_channel_wr32, + .ntfy = _nvkm_fifo_channel_ntfy +}; + +static struct nvkm_oclass +gf100_fifo_sclass[] = { + { FERMI_CHANNEL_GPFIFO, &gf100_fifo_ofuncs }, + {} +}; + +/******************************************************************************* + * FIFO context - instmem heap and vm setup + ******************************************************************************/ + +static int +gf100_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gf100_fifo_base *base; + int ret; + + ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000, + 0x1000, NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_HEAP, &base); + *pobject = nv_object(base); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(base), NULL, 0x10000, 0x1000, 0, + &base->pgd); + if (ret) + return ret; + + nv_wo32(base, 0x0200, lower_32_bits(base->pgd->addr)); + nv_wo32(base, 0x0204, upper_32_bits(base->pgd->addr)); + nv_wo32(base, 0x0208, 0xffffffff); + nv_wo32(base, 0x020c, 0x000000ff); + + ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd); + if (ret) + return ret; + + return 0; +} + +static void +gf100_fifo_context_dtor(struct nvkm_object *object) +{ + struct gf100_fifo_base *base = (void *)object; + nvkm_vm_ref(NULL, &base->vm, base->pgd); + nvkm_gpuobj_ref(NULL, &base->pgd); + nvkm_fifo_context_destroy(&base->base); +} + +static struct nvkm_oclass +gf100_fifo_cclass = { + .handle = NV_ENGCTX(FIFO, 0xc0), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gf100_fifo_context_ctor, + .dtor = gf100_fifo_context_dtor, + .init = _nvkm_fifo_context_init, + .fini = _nvkm_fifo_context_fini, + .rd32 = _nvkm_fifo_context_rd32, + .wr32 = _nvkm_fifo_context_wr32, + }, +}; + +/******************************************************************************* + * PFIFO engine + ******************************************************************************/ + +static inline int +gf100_fifo_engidx(struct gf100_fifo_priv *priv, u32 engn) +{ + switch (engn) { + case NVDEV_ENGINE_GR : engn = 0; break; + case NVDEV_ENGINE_MSVLD : engn = 1; break; + case NVDEV_ENGINE_MSPPP : engn = 2; break; + case NVDEV_ENGINE_MSPDEC: engn = 3; break; + case NVDEV_ENGINE_CE0 : engn = 4; break; + case NVDEV_ENGINE_CE1 : engn = 5; break; + default: + return -1; + } + + return engn; +} + +static inline struct nvkm_engine * +gf100_fifo_engine(struct gf100_fifo_priv *priv, u32 engn) +{ + switch (engn) { + case 0: engn = NVDEV_ENGINE_GR; break; + case 1: engn = NVDEV_ENGINE_MSVLD; break; + case 2: engn = NVDEV_ENGINE_MSPPP; break; + case 3: engn = NVDEV_ENGINE_MSPDEC; break; + case 4: engn = NVDEV_ENGINE_CE0; break; + case 5: engn = NVDEV_ENGINE_CE1; break; + default: + return NULL; + } + + return nvkm_engine(priv, engn); +} + +static void +gf100_fifo_recover_work(struct work_struct *work) +{ + struct gf100_fifo_priv *priv = container_of(work, typeof(*priv), fault); + struct nvkm_object *engine; + unsigned long flags; + u32 engn, engm = 0; + u64 mask, todo; + + spin_lock_irqsave(&priv->base.lock, flags); + mask = priv->mask; + priv->mask = 0ULL; + spin_unlock_irqrestore(&priv->base.lock, flags); + + for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn)) + engm |= 1 << gf100_fifo_engidx(priv, engn); + nv_mask(priv, 0x002630, engm, engm); + + for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn)) { + if ((engine = (void *)nvkm_engine(priv, engn))) { + nv_ofuncs(engine)->fini(engine, false); + WARN_ON(nv_ofuncs(engine)->init(engine)); + } + } + + gf100_fifo_runlist_update(priv); + nv_wr32(priv, 0x00262c, engm); + nv_mask(priv, 0x002630, engm, 0x00000000); +} + +static void +gf100_fifo_recover(struct gf100_fifo_priv *priv, struct nvkm_engine *engine, + struct gf100_fifo_chan *chan) +{ + u32 chid = chan->base.chid; + unsigned long flags; + + nv_error(priv, "%s engine fault on channel %d, recovering...\n", + nv_subdev(engine)->name, chid); + + nv_mask(priv, 0x003004 + (chid * 0x08), 0x00000001, 0x00000000); + chan->state = KILLED; + + spin_lock_irqsave(&priv->base.lock, flags); + priv->mask |= 1ULL << nv_engidx(engine); + spin_unlock_irqrestore(&priv->base.lock, flags); + schedule_work(&priv->fault); +} + +static int +gf100_fifo_swmthd(struct gf100_fifo_priv *priv, u32 chid, u32 mthd, u32 data) +{ + struct gf100_fifo_chan *chan = NULL; + struct nvkm_handle *bind; + unsigned long flags; + int ret = -EINVAL; + + spin_lock_irqsave(&priv->base.lock, flags); + if (likely(chid >= priv->base.min && chid <= priv->base.max)) + chan = (void *)priv->base.channel[chid]; + if (unlikely(!chan)) + goto out; + + bind = nvkm_namedb_get_class(nv_namedb(chan), 0x906e); + if (likely(bind)) { + if (!mthd || !nv_call(bind->object, mthd, data)) + ret = 0; + nvkm_namedb_put(bind); + } + +out: + spin_unlock_irqrestore(&priv->base.lock, flags); + return ret; +} + +static const struct nvkm_enum +gf100_fifo_sched_reason[] = { + { 0x0a, "CTXSW_TIMEOUT" }, + {} +}; + +static void +gf100_fifo_intr_sched_ctxsw(struct gf100_fifo_priv *priv) +{ + struct nvkm_engine *engine; + struct gf100_fifo_chan *chan; + u32 engn; + + for (engn = 0; engn < 6; engn++) { + u32 stat = nv_rd32(priv, 0x002640 + (engn * 0x04)); + u32 busy = (stat & 0x80000000); + u32 save = (stat & 0x00100000); /* maybe? */ + u32 unk0 = (stat & 0x00040000); + u32 unk1 = (stat & 0x00001000); + u32 chid = (stat & 0x0000007f); + (void)save; + + if (busy && unk0 && unk1) { + if (!(chan = (void *)priv->base.channel[chid])) + continue; + if (!(engine = gf100_fifo_engine(priv, engn))) + continue; + gf100_fifo_recover(priv, engine, chan); + } + } +} + +static void +gf100_fifo_intr_sched(struct gf100_fifo_priv *priv) +{ + u32 intr = nv_rd32(priv, 0x00254c); + u32 code = intr & 0x000000ff; + const struct nvkm_enum *en; + char enunk[6] = ""; + + en = nvkm_enum_find(gf100_fifo_sched_reason, code); + if (!en) + snprintf(enunk, sizeof(enunk), "UNK%02x", code); + + nv_error(priv, "SCHED_ERROR [ %s ]\n", en ? en->name : enunk); + + switch (code) { + case 0x0a: + gf100_fifo_intr_sched_ctxsw(priv); + break; + default: + break; + } +} + +static const struct nvkm_enum +gf100_fifo_fault_engine[] = { + { 0x00, "PGRAPH", NULL, NVDEV_ENGINE_GR }, + { 0x03, "PEEPHOLE", NULL, NVDEV_ENGINE_IFB }, + { 0x04, "BAR1", NULL, NVDEV_SUBDEV_BAR }, + { 0x05, "BAR3", NULL, NVDEV_SUBDEV_INSTMEM }, + { 0x07, "PFIFO", NULL, NVDEV_ENGINE_FIFO }, + { 0x10, "PMSVLD", NULL, NVDEV_ENGINE_MSVLD }, + { 0x11, "PMSPPP", NULL, NVDEV_ENGINE_MSPPP }, + { 0x13, "PCOUNTER" }, + { 0x14, "PMSPDEC", NULL, NVDEV_ENGINE_MSPDEC }, + { 0x15, "PCE0", NULL, NVDEV_ENGINE_CE0 }, + { 0x16, "PCE1", NULL, NVDEV_ENGINE_CE1 }, + { 0x17, "PDAEMON" }, + {} +}; + +static const struct nvkm_enum +gf100_fifo_fault_reason[] = { + { 0x00, "PT_NOT_PRESENT" }, + { 0x01, "PT_TOO_SHORT" }, + { 0x02, "PAGE_NOT_PRESENT" }, + { 0x03, "VM_LIMIT_EXCEEDED" }, + { 0x04, "NO_CHANNEL" }, + { 0x05, "PAGE_SYSTEM_ONLY" }, + { 0x06, "PAGE_READ_ONLY" }, + { 0x0a, "COMPRESSED_SYSRAM" }, + { 0x0c, "INVALID_STORAGE_TYPE" }, + {} +}; + +static const struct nvkm_enum +gf100_fifo_fault_hubclient[] = { + { 0x01, "PCOPY0" }, + { 0x02, "PCOPY1" }, + { 0x04, "DISPATCH" }, + { 0x05, "CTXCTL" }, + { 0x06, "PFIFO" }, + { 0x07, "BAR_READ" }, + { 0x08, "BAR_WRITE" }, + { 0x0b, "PVP" }, + { 0x0c, "PMSPPP" }, + { 0x0d, "PMSVLD" }, + { 0x11, "PCOUNTER" }, + { 0x12, "PDAEMON" }, + { 0x14, "CCACHE" }, + { 0x15, "CCACHE_POST" }, + {} +}; + +static const struct nvkm_enum +gf100_fifo_fault_gpcclient[] = { + { 0x01, "TEX" }, + { 0x0c, "ESETUP" }, + { 0x0e, "CTXCTL" }, + { 0x0f, "PROP" }, + {} +}; + +static void +gf100_fifo_intr_fault(struct gf100_fifo_priv *priv, int unit) +{ + u32 inst = nv_rd32(priv, 0x002800 + (unit * 0x10)); + u32 valo = nv_rd32(priv, 0x002804 + (unit * 0x10)); + u32 vahi = nv_rd32(priv, 0x002808 + (unit * 0x10)); + u32 stat = nv_rd32(priv, 0x00280c + (unit * 0x10)); + u32 gpc = (stat & 0x1f000000) >> 24; + u32 client = (stat & 0x00001f00) >> 8; + u32 write = (stat & 0x00000080); + u32 hub = (stat & 0x00000040); + u32 reason = (stat & 0x0000000f); + struct nvkm_object *engctx = NULL, *object; + struct nvkm_engine *engine = NULL; + const struct nvkm_enum *er, *eu, *ec; + char erunk[6] = ""; + char euunk[6] = ""; + char ecunk[6] = ""; + char gpcid[3] = ""; + + er = nvkm_enum_find(gf100_fifo_fault_reason, reason); + if (!er) + snprintf(erunk, sizeof(erunk), "UNK%02X", reason); + + eu = nvkm_enum_find(gf100_fifo_fault_engine, unit); + if (eu) { + switch (eu->data2) { + case NVDEV_SUBDEV_BAR: + nv_mask(priv, 0x001704, 0x00000000, 0x00000000); + break; + case NVDEV_SUBDEV_INSTMEM: + nv_mask(priv, 0x001714, 0x00000000, 0x00000000); + break; + case NVDEV_ENGINE_IFB: + nv_mask(priv, 0x001718, 0x00000000, 0x00000000); + break; + default: + engine = nvkm_engine(priv, eu->data2); + if (engine) + engctx = nvkm_engctx_get(engine, inst); + break; + } + } else { + snprintf(euunk, sizeof(euunk), "UNK%02x", unit); + } + + if (hub) { + ec = nvkm_enum_find(gf100_fifo_fault_hubclient, client); + } else { + ec = nvkm_enum_find(gf100_fifo_fault_gpcclient, client); + snprintf(gpcid, sizeof(gpcid), "%d", gpc); + } + + if (!ec) + snprintf(ecunk, sizeof(ecunk), "UNK%02x", client); + + nv_error(priv, "%s fault at 0x%010llx [%s] from %s/%s%s%s%s on " + "channel 0x%010llx [%s]\n", write ? "write" : "read", + (u64)vahi << 32 | valo, er ? er->name : erunk, + eu ? eu->name : euunk, hub ? "" : "GPC", gpcid, hub ? "" : "/", + ec ? ec->name : ecunk, (u64)inst << 12, + nvkm_client_name(engctx)); + + object = engctx; + while (object) { + switch (nv_mclass(object)) { + case FERMI_CHANNEL_GPFIFO: + gf100_fifo_recover(priv, engine, (void *)object); + break; + } + object = object->parent; + } + + nvkm_engctx_put(engctx); +} + +static const struct nvkm_bitfield +gf100_fifo_pbdma_intr[] = { +/* { 0x00008000, "" } seen with null ib push */ + { 0x00200000, "ILLEGAL_MTHD" }, + { 0x00800000, "EMPTY_SUBC" }, + {} +}; + +static void +gf100_fifo_intr_pbdma(struct gf100_fifo_priv *priv, int unit) +{ + u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000)); + u32 addr = nv_rd32(priv, 0x0400c0 + (unit * 0x2000)); + u32 data = nv_rd32(priv, 0x0400c4 + (unit * 0x2000)); + u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0x7f; + u32 subc = (addr & 0x00070000) >> 16; + u32 mthd = (addr & 0x00003ffc); + u32 show = stat; + + if (stat & 0x00800000) { + if (!gf100_fifo_swmthd(priv, chid, mthd, data)) + show &= ~0x00800000; + } + + if (show) { + nv_error(priv, "PBDMA%d:", unit); + nvkm_bitfield_print(gf100_fifo_pbdma_intr, show); + pr_cont("\n"); + nv_error(priv, + "PBDMA%d: ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n", + unit, chid, + nvkm_client_name_for_fifo_chid(&priv->base, chid), + subc, mthd, data); + } + + nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008); + nv_wr32(priv, 0x040108 + (unit * 0x2000), stat); +} + +static void +gf100_fifo_intr_runlist(struct gf100_fifo_priv *priv) +{ + u32 intr = nv_rd32(priv, 0x002a00); + + if (intr & 0x10000000) { + wake_up(&priv->runlist.wait); + nv_wr32(priv, 0x002a00, 0x10000000); + intr &= ~0x10000000; + } + + if (intr) { + nv_error(priv, "RUNLIST 0x%08x\n", intr); + nv_wr32(priv, 0x002a00, intr); + } +} + +static void +gf100_fifo_intr_engine_unit(struct gf100_fifo_priv *priv, int engn) +{ + u32 intr = nv_rd32(priv, 0x0025a8 + (engn * 0x04)); + u32 inte = nv_rd32(priv, 0x002628); + u32 unkn; + + nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr); + + for (unkn = 0; unkn < 8; unkn++) { + u32 ints = (intr >> (unkn * 0x04)) & inte; + if (ints & 0x1) { + nvkm_fifo_uevent(&priv->base); + ints &= ~1; + } + if (ints) { + nv_error(priv, "ENGINE %d %d %01x", engn, unkn, ints); + nv_mask(priv, 0x002628, ints, 0); + } + } +} + +static void +gf100_fifo_intr_engine(struct gf100_fifo_priv *priv) +{ + u32 mask = nv_rd32(priv, 0x0025a4); + while (mask) { + u32 unit = __ffs(mask); + gf100_fifo_intr_engine_unit(priv, unit); + mask &= ~(1 << unit); + } +} + +static void +gf100_fifo_intr(struct nvkm_subdev *subdev) +{ + struct gf100_fifo_priv *priv = (void *)subdev; + u32 mask = nv_rd32(priv, 0x002140); + u32 stat = nv_rd32(priv, 0x002100) & mask; + + if (stat & 0x00000001) { + u32 intr = nv_rd32(priv, 0x00252c); + nv_warn(priv, "INTR 0x00000001: 0x%08x\n", intr); + nv_wr32(priv, 0x002100, 0x00000001); + stat &= ~0x00000001; + } + + if (stat & 0x00000100) { + gf100_fifo_intr_sched(priv); + nv_wr32(priv, 0x002100, 0x00000100); + stat &= ~0x00000100; + } + + if (stat & 0x00010000) { + u32 intr = nv_rd32(priv, 0x00256c); + nv_warn(priv, "INTR 0x00010000: 0x%08x\n", intr); + nv_wr32(priv, 0x002100, 0x00010000); + stat &= ~0x00010000; + } + + if (stat & 0x01000000) { + u32 intr = nv_rd32(priv, 0x00258c); + nv_warn(priv, "INTR 0x01000000: 0x%08x\n", intr); + nv_wr32(priv, 0x002100, 0x01000000); + stat &= ~0x01000000; + } + + if (stat & 0x10000000) { + u32 mask = nv_rd32(priv, 0x00259c); + while (mask) { + u32 unit = __ffs(mask); + gf100_fifo_intr_fault(priv, unit); + nv_wr32(priv, 0x00259c, (1 << unit)); + mask &= ~(1 << unit); + } + stat &= ~0x10000000; + } + + if (stat & 0x20000000) { + u32 mask = nv_rd32(priv, 0x0025a0); + while (mask) { + u32 unit = __ffs(mask); + gf100_fifo_intr_pbdma(priv, unit); + nv_wr32(priv, 0x0025a0, (1 << unit)); + mask &= ~(1 << unit); + } + stat &= ~0x20000000; + } + + if (stat & 0x40000000) { + gf100_fifo_intr_runlist(priv); + stat &= ~0x40000000; + } + + if (stat & 0x80000000) { + gf100_fifo_intr_engine(priv); + stat &= ~0x80000000; + } + + if (stat) { + nv_error(priv, "INTR 0x%08x\n", stat); + nv_mask(priv, 0x002140, stat, 0x00000000); + nv_wr32(priv, 0x002100, stat); + } +} + +static void +gf100_fifo_uevent_init(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent); + nv_mask(fifo, 0x002140, 0x80000000, 0x80000000); +} + +static void +gf100_fifo_uevent_fini(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent); + nv_mask(fifo, 0x002140, 0x80000000, 0x00000000); +} + +static const struct nvkm_event_func +gf100_fifo_uevent_func = { + .ctor = nvkm_fifo_uevent_ctor, + .init = gf100_fifo_uevent_init, + .fini = gf100_fifo_uevent_fini, +}; + +static int +gf100_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gf100_fifo_priv *priv; + int ret; + + ret = nvkm_fifo_create(parent, engine, oclass, 0, 127, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + INIT_WORK(&priv->fault, gf100_fifo_recover_work); + + ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 0x1000, 0, + &priv->runlist.mem[0]); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 0x1000, 0, + &priv->runlist.mem[1]); + if (ret) + return ret; + + init_waitqueue_head(&priv->runlist.wait); + + ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 0x1000, 0x1000, 0, + &priv->user.mem); + if (ret) + return ret; + + ret = nvkm_gpuobj_map(priv->user.mem, NV_MEM_ACCESS_RW, + &priv->user.bar); + if (ret) + return ret; + + ret = nvkm_event_init(&gf100_fifo_uevent_func, 1, 1, &priv->base.uevent); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000100; + nv_subdev(priv)->intr = gf100_fifo_intr; + nv_engine(priv)->cclass = &gf100_fifo_cclass; + nv_engine(priv)->sclass = gf100_fifo_sclass; + return 0; +} + +static void +gf100_fifo_dtor(struct nvkm_object *object) +{ + struct gf100_fifo_priv *priv = (void *)object; + + nvkm_gpuobj_unmap(&priv->user.bar); + nvkm_gpuobj_ref(NULL, &priv->user.mem); + nvkm_gpuobj_ref(NULL, &priv->runlist.mem[0]); + nvkm_gpuobj_ref(NULL, &priv->runlist.mem[1]); + + nvkm_fifo_destroy(&priv->base); +} + +static int +gf100_fifo_init(struct nvkm_object *object) +{ + struct gf100_fifo_priv *priv = (void *)object; + int ret, i; + + ret = nvkm_fifo_init(&priv->base); + if (ret) + return ret; + + nv_wr32(priv, 0x000204, 0xffffffff); + nv_wr32(priv, 0x002204, 0xffffffff); + + priv->spoon_nr = hweight32(nv_rd32(priv, 0x002204)); + nv_debug(priv, "%d PBDMA unit(s)\n", priv->spoon_nr); + + /* assign engines to PBDMAs */ + if (priv->spoon_nr >= 3) { + nv_wr32(priv, 0x002208, ~(1 << 0)); /* PGRAPH */ + nv_wr32(priv, 0x00220c, ~(1 << 1)); /* PVP */ + nv_wr32(priv, 0x002210, ~(1 << 1)); /* PMSPP */ + nv_wr32(priv, 0x002214, ~(1 << 1)); /* PMSVLD */ + nv_wr32(priv, 0x002218, ~(1 << 2)); /* PCE0 */ + nv_wr32(priv, 0x00221c, ~(1 << 1)); /* PCE1 */ + } + + /* PBDMA[n] */ + for (i = 0; i < priv->spoon_nr; i++) { + nv_mask(priv, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000); + nv_wr32(priv, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */ + nv_wr32(priv, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */ + } + + nv_mask(priv, 0x002200, 0x00000001, 0x00000001); + nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12); + + nv_wr32(priv, 0x002100, 0xffffffff); + nv_wr32(priv, 0x002140, 0x7fffffff); + nv_wr32(priv, 0x002628, 0x00000001); /* ENGINE_INTR_EN */ + return 0; +} + +struct nvkm_oclass * +gf100_fifo_oclass = &(struct nvkm_oclass) { + .handle = NV_ENGINE(FIFO, 0xc0), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gf100_fifo_ctor, + .dtor = gf100_fifo_dtor, + .init = gf100_fifo_init, + .fini = _nvkm_fifo_fini, + }, +}; |