diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c | 471 |
1 files changed, 140 insertions, 331 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c index 260b197f81bc..ea9e151dbb48 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c @@ -19,46 +19,83 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ -#include "gk104.h" +#include "priv.h" #include "cgrp.h" -#include "changk104.h" -#include "user.h" +#include "chan.h" +#include "runl.h" -#include <core/client.h> -#include <core/gpuobj.h> -#include <subdev/bar.h> -#include <subdev/fault.h> -#include <subdev/top.h> -#include <subdev/timer.h> -#include <engine/sw.h> +#include <core/memory.h> +#include <subdev/mc.h> +#include <subdev/vfn.h> #include <nvif/class.h> +static u32 +tu102_chan_doorbell_handle(struct nvkm_chan *chan) +{ + return (chan->cgrp->runl->id << 16) | chan->id; +} + static void -tu102_fifo_runlist_commit(struct gk104_fifo *fifo, int runl, - struct nvkm_memory *mem, int nr) +tu102_chan_start(struct nvkm_chan *chan) { - struct nvkm_device *device = fifo->base.engine.subdev.device; - u64 addr = nvkm_memory_addr(mem); - /*XXX: target? */ + struct nvkm_device *device = chan->cgrp->runl->fifo->engine.subdev.device; + + gk104_chan_start(chan); + nvkm_wr32(device, device->vfn->addr.user + 0x0090, chan->func->doorbell_handle(chan)); +} + +static const struct nvkm_chan_func +tu102_chan = { + .inst = &gf100_chan_inst, + .userd = &gv100_chan_userd, + .ramfc = &gv100_chan_ramfc, + .bind = gk104_chan_bind_inst, + .unbind = gk104_chan_unbind, + .start = tu102_chan_start, + .stop = gk104_chan_stop, + .preempt = gk110_chan_preempt, + .doorbell_handle = tu102_chan_doorbell_handle, +}; + +static bool +tu102_runl_pending(struct nvkm_runl *runl) +{ + struct nvkm_device *device = runl->fifo->engine.subdev.device; + + return nvkm_rd32(device, 0x002b0c + (runl->id * 0x10)) & 0x00008000; +} - nvkm_wr32(device, 0x002b00 + (runl * 0x10), lower_32_bits(addr)); - nvkm_wr32(device, 0x002b04 + (runl * 0x10), upper_32_bits(addr)); - nvkm_wr32(device, 0x002b08 + (runl * 0x10), nr); +static void +tu102_runl_commit(struct nvkm_runl *runl, struct nvkm_memory *memory, u32 start, int count) +{ + struct nvkm_device *device = runl->fifo->engine.subdev.device; + u64 addr = nvkm_memory_addr(memory) + start; + /*XXX: target? */ - /*XXX: how to wait? can you even wait? */ + nvkm_wr32(device, 0x002b00 + (runl->id * 0x10), lower_32_bits(addr)); + nvkm_wr32(device, 0x002b04 + (runl->id * 0x10), upper_32_bits(addr)); + nvkm_wr32(device, 0x002b08 + (runl->id * 0x10), count); } -static const struct gk104_fifo_runlist_func -tu102_fifo_runlist = { +static const struct nvkm_runl_func +tu102_runl = { + .runqs = 2, .size = 16, - .cgrp = gv100_fifo_runlist_cgrp, - .chan = gv100_fifo_runlist_chan, - .commit = tu102_fifo_runlist_commit, + .update = nv50_runl_update, + .insert_cgrp = gv100_runl_insert_cgrp, + .insert_chan = gv100_runl_insert_chan, + .commit = tu102_runl_commit, + .wait = nv50_runl_wait, + .pending = tu102_runl_pending, + .block = gk104_runl_block, + .allow = gk104_runl_allow, + .preempt = gv100_runl_preempt, + .preempt_pending = gf100_runl_preempt_pending, }; static const struct nvkm_enum -tu102_fifo_fault_engine[] = { +tu102_fifo_mmu_fault_engine[] = { { 0x01, "DISPLAY" }, { 0x03, "PTP" }, { 0x06, "PWR_PMU" }, @@ -85,305 +122,82 @@ tu102_fifo_fault_engine[] = { {} }; -static void -tu102_fifo_pbdma_init(struct gk104_fifo *fifo) -{ - struct nvkm_device *device = fifo->base.engine.subdev.device; - const u32 mask = (1 << fifo->pbdma_nr) - 1; - /*XXX: this is a bit of a guess at this point in time. */ - nvkm_mask(device, 0xb65000, 0x80000fff, 0x80000000 | mask); -} - -static const struct gk104_fifo_pbdma_func -tu102_fifo_pbdma = { - .nr = gm200_fifo_pbdma_nr, - .init = tu102_fifo_pbdma_init, - .init_timeout = gk208_fifo_pbdma_init_timeout, -}; - -static const struct gk104_fifo_func -tu102_fifo = { - .pbdma = &tu102_fifo_pbdma, - .fault.access = gv100_fifo_fault_access, - .fault.engine = tu102_fifo_fault_engine, - .fault.reason = gv100_fifo_fault_reason, - .fault.hubclient = gv100_fifo_fault_hubclient, - .fault.gpcclient = gv100_fifo_fault_gpcclient, - .runlist = &tu102_fifo_runlist, - .user = {{-1,-1,VOLTA_USERMODE_A }, tu102_fifo_user_new }, - .chan = {{ 0, 0,TURING_CHANNEL_GPFIFO_A}, tu102_fifo_gpfifo_new }, - .cgrp_force = true, +const struct nvkm_fifo_func_mmu_fault +tu102_fifo_mmu_fault = { + .recover = gf100_fifo_mmu_fault_recover, + .access = gv100_fifo_mmu_fault_access, + .engine = tu102_fifo_mmu_fault_engine, + .reason = gv100_fifo_mmu_fault_reason, + .hubclient = gv100_fifo_mmu_fault_hubclient, + .gpcclient = gv100_fifo_mmu_fault_gpcclient, }; -static void -tu102_fifo_recover_work(struct work_struct *w) +void +tu102_fifo_intr_ctxsw_timeout_info(struct nvkm_engn *engn, u32 info) { - struct gk104_fifo *fifo = container_of(w, typeof(*fifo), recover.work); - struct nvkm_device *device = fifo->base.engine.subdev.device; - struct nvkm_engine *engine; + struct nvkm_runl *runl = engn->runl; + struct nvkm_cgrp *cgrp; unsigned long flags; - u32 engm, runm, todo; - int engn, runl; - - spin_lock_irqsave(&fifo->base.lock, flags); - runm = fifo->recover.runm; - engm = fifo->recover.engm; - fifo->recover.engm = 0; - fifo->recover.runm = 0; - spin_unlock_irqrestore(&fifo->base.lock, flags); - - nvkm_mask(device, 0x002630, runm, runm); - - for (todo = engm; engn = __ffs(todo), todo; todo &= ~BIT(engn)) { - if ((engine = fifo->engine[engn].engine)) { - nvkm_subdev_fini(&engine->subdev, false); - WARN_ON(nvkm_subdev_init(&engine->subdev)); - } - } - - for (todo = runm; runl = __ffs(todo), todo; todo &= ~BIT(runl)) - gk104_fifo_runlist_update(fifo, runl); - - nvkm_mask(device, 0x002630, runm, 0x00000000); -} - -static void tu102_fifo_recover_engn(struct gk104_fifo *fifo, int engn); - -static void -tu102_fifo_recover_runl(struct gk104_fifo *fifo, int runl) -{ - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; - const u32 runm = BIT(runl); - - assert_spin_locked(&fifo->base.lock); - if (fifo->recover.runm & runm) - return; - fifo->recover.runm |= runm; - - /* Block runlist to prevent channel assignment(s) from changing. */ - nvkm_mask(device, 0x002630, runm, runm); - - /* Schedule recovery. */ - nvkm_warn(subdev, "runlist %d: scheduled for recovery\n", runl); - schedule_work(&fifo->recover.work); -} - -static struct gk104_fifo_chan * -tu102_fifo_recover_chid(struct gk104_fifo *fifo, int runl, int chid) -{ - struct gk104_fifo_chan *chan; - struct nvkm_fifo_cgrp *cgrp; - - list_for_each_entry(chan, &fifo->runlist[runl].chan, head) { - if (chan->base.chid == chid) { - list_del_init(&chan->head); - return chan; - } - } - - list_for_each_entry(cgrp, &fifo->runlist[runl].cgrp, head) { - if (cgrp->id == chid) { - chan = list_first_entry(&cgrp->chan, typeof(*chan), head); - list_del_init(&chan->head); - if (!--cgrp->chan_nr) - list_del_init(&cgrp->head); - return chan; - } - } - - return NULL; -} -static void -tu102_fifo_recover_chan(struct nvkm_fifo *base, int chid) -{ - struct gk104_fifo *fifo = gk104_fifo(base); - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; - const u32 stat = nvkm_rd32(device, 0x800004 + (chid * 0x08)); - const u32 runl = (stat & 0x000f0000) >> 16; - const bool used = (stat & 0x00000001); - unsigned long engn, engm = fifo->runlist[runl].engm; - struct gk104_fifo_chan *chan; - - assert_spin_locked(&fifo->base.lock); - if (!used) + /* Check that engine hasn't become unstuck since timeout raised. */ + ENGN_DEBUG(engn, "CTXSW_TIMEOUT %08x", info); + if (info & 0xc0000000) return; - /* Lookup SW state for channel, and mark it as dead. */ - chan = tu102_fifo_recover_chid(fifo, runl, chid); - if (chan) { - chan->killed = true; - nvkm_fifo_kevent(&fifo->base, chid); - } - - /* Disable channel. */ - nvkm_wr32(device, 0x800004 + (chid * 0x08), stat | 0x00000800); - nvkm_warn(subdev, "channel %d: killed\n", chid); - - /* Block channel assignments from changing during recovery. */ - tu102_fifo_recover_runl(fifo, runl); - - /* Schedule recovery for any engines the channel is on. */ - for_each_set_bit(engn, &engm, fifo->engine_nr) { - struct gk104_fifo_engine_status status; - - gk104_fifo_engine_status(fifo, engn, &status); - if (!status.chan || status.chan->id != chid) - continue; - tu102_fifo_recover_engn(fifo, engn); + /* Determine channel group the engine is stuck on, and schedule recovery. */ + switch (info & 0x0000c000) { + case 0x00004000: /* LOAD */ + cgrp = nvkm_runl_cgrp_get_cgid(runl, info & 0x3fff0000, &flags); + break; + case 0x00008000: /* SAVE */ + case 0x0000c000: /* SWITCH */ + cgrp = nvkm_runl_cgrp_get_cgid(runl, info & 0x00003fff, &flags); + break; + default: + cgrp = NULL; + break; } -} - -static void -tu102_fifo_recover_engn(struct gk104_fifo *fifo, int engn) -{ - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; - const u32 runl = fifo->engine[engn].runl; - const u32 engm = BIT(engn); - struct gk104_fifo_engine_status status; - - assert_spin_locked(&fifo->base.lock); - if (fifo->recover.engm & engm) - return; - fifo->recover.engm |= engm; - /* Block channel assignments from changing during recovery. */ - tu102_fifo_recover_runl(fifo, runl); - - /* Determine which channel (if any) is currently on the engine. */ - gk104_fifo_engine_status(fifo, engn, &status); - if (status.chan) { - /* The channel is not longer viable, kill it. */ - tu102_fifo_recover_chan(&fifo->base, status.chan->id); + if (!WARN_ON(!cgrp)) { + nvkm_runl_rc_cgrp(cgrp); + nvkm_cgrp_put(&cgrp, flags); } - - /* Preempt the runlist */ - nvkm_wr32(device, 0x2638, BIT(runl)); - - /* Schedule recovery. */ - nvkm_warn(subdev, "engine %d: scheduled for recovery\n", engn); - schedule_work(&fifo->recover.work); } static void -tu102_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info) +tu102_fifo_intr_ctxsw_timeout(struct nvkm_fifo *fifo) { - struct gk104_fifo *fifo = gk104_fifo(base); - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; - const struct nvkm_enum *er, *ee, *ec, *ea; - struct nvkm_engine *engine = NULL; - struct nvkm_fifo_chan *chan; - unsigned long flags; - const char *en = ""; - char ct[8] = "HUB/"; - int engn; - - er = nvkm_enum_find(fifo->func->fault.reason, info->reason); - ee = nvkm_enum_find(fifo->func->fault.engine, info->engine); - if (info->hub) { - ec = nvkm_enum_find(fifo->func->fault.hubclient, info->client); - } else { - ec = nvkm_enum_find(fifo->func->fault.gpcclient, info->client); - snprintf(ct, sizeof(ct), "GPC%d/", info->gpc); - } - ea = nvkm_enum_find(fifo->func->fault.access, info->access); - - if (ee && ee->data2) { - switch (ee->data2) { - case NVKM_SUBDEV_BAR: - nvkm_bar_bar1_reset(device); - break; - case NVKM_SUBDEV_INSTMEM: - nvkm_bar_bar2_reset(device); - break; - case NVKM_ENGINE_IFB: - nvkm_mask(device, 0x001718, 0x00000000, 0x00000000); - break; - default: - engine = nvkm_device_engine(device, ee->data2, 0); - break; - } - } - - if (ee == NULL) { - struct nvkm_subdev *subdev = nvkm_top_fault(device, info->engine); - if (subdev) { - if (subdev->func == &nvkm_engine) - engine = container_of(subdev, typeof(*engine), subdev); - en = engine->subdev.name; + struct nvkm_device *device = fifo->engine.subdev.device; + struct nvkm_runl *runl; + struct nvkm_engn *engn; + u32 engm = nvkm_rd32(device, 0x002a30); + u32 info; + + nvkm_runl_foreach(runl, fifo) { + nvkm_runl_foreach_engn_cond(engn, runl, engm & BIT(engn->id)) { + info = nvkm_rd32(device, 0x003200 + (engn->id * 4)); + tu102_fifo_intr_ctxsw_timeout_info(engn, info); } - } else { - en = ee->name; } - spin_lock_irqsave(&fifo->base.lock, flags); - chan = nvkm_fifo_chan_inst_locked(&fifo->base, info->inst); - - nvkm_error(subdev, - "fault %02x [%s] at %016llx engine %02x [%s] client %02x " - "[%s%s] reason %02x [%s] on channel %d [%010llx %s]\n", - info->access, ea ? ea->name : "", info->addr, - info->engine, ee ? ee->name : en, - info->client, ct, ec ? ec->name : "", - info->reason, er ? er->name : "", chan ? chan->chid : -1, - info->inst, chan ? chan->object.client->name : "unknown"); - - /* Kill the channel that caused the fault. */ - if (chan) - tu102_fifo_recover_chan(&fifo->base, chan->chid); - - /* Channel recovery will probably have already done this for the - * correct engine(s), but just in case we can't find the channel - * information... - */ - for (engn = 0; engn < fifo->engine_nr && engine; engn++) { - if (fifo->engine[engn].engine == engine) { - tu102_fifo_recover_engn(fifo, engn); - break; - } - } - - spin_unlock_irqrestore(&fifo->base.lock, flags); -} - -static void -tu102_fifo_intr_ctxsw_timeout(struct gk104_fifo *fifo) -{ - struct nvkm_device *device = fifo->base.engine.subdev.device; - unsigned long flags, engm; - u32 engn; - - spin_lock_irqsave(&fifo->base.lock, flags); - - engm = nvkm_rd32(device, 0x2a30); - nvkm_wr32(device, 0x2a30, engm); - - for_each_set_bit(engn, &engm, 32) - tu102_fifo_recover_engn(fifo, engn); - - spin_unlock_irqrestore(&fifo->base.lock, flags); + nvkm_wr32(device, 0x002a30, engm); } static void -tu102_fifo_intr_sched(struct gk104_fifo *fifo) +tu102_fifo_intr_sched(struct nvkm_fifo *fifo) { - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; - struct nvkm_device *device = subdev->device; - u32 intr = nvkm_rd32(device, 0x00254c); + struct nvkm_subdev *subdev = &fifo->engine.subdev; + u32 intr = nvkm_rd32(subdev->device, 0x00254c); u32 code = intr & 0x000000ff; nvkm_error(subdev, "SCHED_ERROR %02x\n", code); } -static void -tu102_fifo_intr(struct nvkm_fifo *base) +static irqreturn_t +tu102_fifo_intr(struct nvkm_inth *inth) { - struct gk104_fifo *fifo = gk104_fifo(base); - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_fifo *fifo = container_of(inth, typeof(*fifo), engine.subdev.inth); + struct nvkm_subdev *subdev = &fifo->engine.subdev; struct nvkm_device *device = subdev->device; u32 mask = nvkm_rd32(device, 0x002140); u32 stat = nvkm_rd32(device, 0x002100) & mask; @@ -412,17 +226,8 @@ tu102_fifo_intr(struct nvkm_fifo *base) } if (stat & 0x20000000) { - u32 mask = nvkm_rd32(device, 0x0025a0); - - while (mask) { - u32 unit = __ffs(mask); - - gk104_fifo_intr_pbdma_0(fifo, unit); - gk104_fifo_intr_pbdma_1(fifo, unit); - nvkm_wr32(device, 0x0025a0, (1 << unit)); - mask &= ~(1 << unit); - } - stat &= ~0x20000000; + if (gf100_fifo_intr_pbdma(fifo)) + stat &= ~0x20000000; } if (stat & 0x40000000) { @@ -432,46 +237,50 @@ tu102_fifo_intr(struct nvkm_fifo *base) if (stat & 0x80000000) { nvkm_wr32(device, 0x002100, 0x80000000); - gk104_fifo_intr_engine(fifo); + nvkm_event_ntfy(&fifo->nonstall.event, 0, NVKM_FIFO_NONSTALL_EVENT); stat &= ~0x80000000; } if (stat) { nvkm_error(subdev, "INTR %08x\n", stat); + spin_lock(&fifo->lock); nvkm_mask(device, 0x002140, stat, 0x00000000); + spin_unlock(&fifo->lock); nvkm_wr32(device, 0x002100, stat); } + + return IRQ_HANDLED; +} + +static void +tu102_fifo_init_pbdmas(struct nvkm_fifo *fifo, u32 mask) +{ + /* Not directly related to PBDMAs, but, enables doorbell to function. */ + nvkm_mask(fifo->engine.subdev.device, 0xb65000, 0x80000000, 0x80000000); } static const struct nvkm_fifo_func -tu102_fifo_ = { - .dtor = gk104_fifo_dtor, - .oneinit = gk104_fifo_oneinit, - .info = gk104_fifo_info, +tu102_fifo = { + .chid_nr = gm200_fifo_chid_nr, + .chid_ctor = gk110_fifo_chid_ctor, + .runq_nr = gm200_fifo_runq_nr, + .runl_ctor = gk104_fifo_runl_ctor, .init = gk104_fifo_init, - .fini = gk104_fifo_fini, + .init_pbdmas = tu102_fifo_init_pbdmas, .intr = tu102_fifo_intr, - .fault = tu102_fifo_fault, - .engine_id = gk104_fifo_engine_id, - .id_engine = gk104_fifo_id_engine, - .uevent_init = gk104_fifo_uevent_init, - .uevent_fini = gk104_fifo_uevent_fini, - .recover_chan = tu102_fifo_recover_chan, - .class_get = gk104_fifo_class_get, - .class_new = gk104_fifo_class_new, + .mmu_fault = &tu102_fifo_mmu_fault, + .nonstall = &gf100_fifo_nonstall, + .runl = &tu102_runl, + .runq = &gv100_runq, + .engn = &gv100_engn, + .engn_ce = &gv100_engn_ce, + .cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A }, &gk110_cgrp, .force = true }, + .chan = {{ 0, 0, TURING_CHANNEL_GPFIFO_A }, &tu102_chan }, }; int tu102_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fifo **pfifo) { - struct gk104_fifo *fifo; - - if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) - return -ENOMEM; - fifo->func = &tu102_fifo; - INIT_WORK(&fifo->recover.work, tu102_fifo_recover_work); - *pfifo = &fifo->base; - - return nvkm_fifo_ctor(&tu102_fifo_, device, type, inst, 4096, &fifo->base); + return nvkm_fifo_new_(&tu102_fifo, device, type, inst, pfifo); } |