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 | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c new file mode 100644 index 000000000..ea9e151db --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c @@ -0,0 +1,286 @@ +/* + * Copyright 2018 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. + */ +#include "priv.h" +#include "cgrp.h" +#include "chan.h" +#include "runl.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_chan_start(struct nvkm_chan *chan) +{ + 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; +} + +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? */ + + 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 nvkm_runl_func +tu102_runl = { + .runqs = 2, + .size = 16, + .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_mmu_fault_engine[] = { + { 0x01, "DISPLAY" }, + { 0x03, "PTP" }, + { 0x06, "PWR_PMU" }, + { 0x08, "IFB", NULL, NVKM_ENGINE_IFB }, + { 0x09, "PERF" }, + { 0x1f, "PHYSICAL" }, + { 0x20, "HOST0" }, + { 0x21, "HOST1" }, + { 0x22, "HOST2" }, + { 0x23, "HOST3" }, + { 0x24, "HOST4" }, + { 0x25, "HOST5" }, + { 0x26, "HOST6" }, + { 0x27, "HOST7" }, + { 0x28, "HOST8" }, + { 0x29, "HOST9" }, + { 0x2a, "HOST10" }, + { 0x2b, "HOST11" }, + { 0x2c, "HOST12" }, + { 0x2d, "HOST13" }, + { 0x2e, "HOST14" }, + { 0x80, "BAR1", NULL, NVKM_SUBDEV_BAR }, + { 0xc0, "BAR2", NULL, NVKM_SUBDEV_INSTMEM }, + {} +}; + +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, +}; + +void +tu102_fifo_intr_ctxsw_timeout_info(struct nvkm_engn *engn, u32 info) +{ + struct nvkm_runl *runl = engn->runl; + struct nvkm_cgrp *cgrp; + unsigned long flags; + + /* Check that engine hasn't become unstuck since timeout raised. */ + ENGN_DEBUG(engn, "CTXSW_TIMEOUT %08x", info); + if (info & 0xc0000000) + return; + + /* 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; + } + + if (!WARN_ON(!cgrp)) { + nvkm_runl_rc_cgrp(cgrp); + nvkm_cgrp_put(&cgrp, flags); + } +} + +static void +tu102_fifo_intr_ctxsw_timeout(struct nvkm_fifo *fifo) +{ + 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); + } + } + + nvkm_wr32(device, 0x002a30, engm); +} + +static void +tu102_fifo_intr_sched(struct nvkm_fifo *fifo) +{ + 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 irqreturn_t +tu102_fifo_intr(struct nvkm_inth *inth) +{ + 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; + + if (stat & 0x00000001) { + gk104_fifo_intr_bind(fifo); + nvkm_wr32(device, 0x002100, 0x00000001); + stat &= ~0x00000001; + } + + if (stat & 0x00000002) { + tu102_fifo_intr_ctxsw_timeout(fifo); + stat &= ~0x00000002; + } + + if (stat & 0x00000100) { + tu102_fifo_intr_sched(fifo); + nvkm_wr32(device, 0x002100, 0x00000100); + stat &= ~0x00000100; + } + + if (stat & 0x00010000) { + gk104_fifo_intr_chsw(fifo); + nvkm_wr32(device, 0x002100, 0x00010000); + stat &= ~0x00010000; + } + + if (stat & 0x20000000) { + if (gf100_fifo_intr_pbdma(fifo)) + stat &= ~0x20000000; + } + + if (stat & 0x40000000) { + gk104_fifo_intr_runlist(fifo); + stat &= ~0x40000000; + } + + if (stat & 0x80000000) { + nvkm_wr32(device, 0x002100, 0x80000000); + 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 = { + .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, + .init_pbdmas = tu102_fifo_init_pbdmas, + .intr = tu102_fifo_intr, + .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) +{ + return nvkm_fifo_new_(&tu102_fifo, device, type, inst, pfifo); +} |