summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/engine/fifo
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c75
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c8
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c10
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c266
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c19
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c3
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h7
9 files changed, 333 insertions, 61 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
index 1c9682ae3a6b..660ca7aa95ea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
@@ -32,6 +32,17 @@
#include <nvif/unpack.h>
void
+nvkm_fifo_recover_chan(struct nvkm_fifo *fifo, int chid)
+{
+ unsigned long flags;
+ if (WARN_ON(!fifo->func->recover_chan))
+ return;
+ spin_lock_irqsave(&fifo->lock, flags);
+ fifo->func->recover_chan(fifo, chid);
+ spin_unlock_irqrestore(&fifo->lock, flags);
+}
+
+void
nvkm_fifo_pause(struct nvkm_fifo *fifo, unsigned long *flags)
{
return fifo->func->pause(fifo, flags);
@@ -55,19 +66,29 @@ nvkm_fifo_chan_put(struct nvkm_fifo *fifo, unsigned long flags,
}
struct nvkm_fifo_chan *
-nvkm_fifo_chan_inst(struct nvkm_fifo *fifo, u64 inst, unsigned long *rflags)
+nvkm_fifo_chan_inst_locked(struct nvkm_fifo *fifo, u64 inst)
{
struct nvkm_fifo_chan *chan;
- unsigned long flags;
- spin_lock_irqsave(&fifo->lock, flags);
list_for_each_entry(chan, &fifo->chan, head) {
if (chan->inst->addr == inst) {
list_del(&chan->head);
list_add(&chan->head, &fifo->chan);
- *rflags = flags;
return chan;
}
}
+ return NULL;
+}
+
+struct nvkm_fifo_chan *
+nvkm_fifo_chan_inst(struct nvkm_fifo *fifo, u64 inst, unsigned long *rflags)
+{
+ struct nvkm_fifo_chan *chan;
+ unsigned long flags;
+ spin_lock_irqsave(&fifo->lock, flags);
+ if ((chan = nvkm_fifo_chan_inst_locked(fifo, inst))) {
+ *rflags = flags;
+ return chan;
+ }
spin_unlock_irqrestore(&fifo->lock, flags);
return NULL;
}
@@ -90,9 +111,34 @@ nvkm_fifo_chan_chid(struct nvkm_fifo *fifo, int chid, unsigned long *rflags)
return NULL;
}
+void
+nvkm_fifo_kevent(struct nvkm_fifo *fifo, int chid)
+{
+ nvkm_event_send(&fifo->kevent, 1, chid, NULL, 0);
+}
+
static int
-nvkm_fifo_event_ctor(struct nvkm_object *object, void *data, u32 size,
- struct nvkm_notify *notify)
+nvkm_fifo_kevent_ctor(struct nvkm_object *object, void *data, u32 size,
+ struct nvkm_notify *notify)
+{
+ struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object);
+ if (size == 0) {
+ notify->size = 0;
+ notify->types = 1;
+ notify->index = chan->chid;
+ return 0;
+ }
+ return -ENOSYS;
+}
+
+static const struct nvkm_event_func
+nvkm_fifo_kevent_func = {
+ .ctor = nvkm_fifo_kevent_ctor,
+};
+
+static int
+nvkm_fifo_cevent_ctor(struct nvkm_object *object, void *data, u32 size,
+ struct nvkm_notify *notify)
{
if (size == 0) {
notify->size = 0;
@@ -104,10 +150,16 @@ nvkm_fifo_event_ctor(struct nvkm_object *object, void *data, u32 size,
}
static const struct nvkm_event_func
-nvkm_fifo_event_func = {
- .ctor = nvkm_fifo_event_ctor,
+nvkm_fifo_cevent_func = {
+ .ctor = nvkm_fifo_cevent_ctor,
};
+void
+nvkm_fifo_cevent(struct nvkm_fifo *fifo)
+{
+ nvkm_event_send(&fifo->cevent, 1, 0, NULL, 0);
+}
+
static void
nvkm_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
{
@@ -241,6 +293,7 @@ nvkm_fifo_dtor(struct nvkm_engine *engine)
void *data = fifo;
if (fifo->func->dtor)
data = fifo->func->dtor(fifo);
+ nvkm_event_fini(&fifo->kevent);
nvkm_event_fini(&fifo->cevent);
nvkm_event_fini(&fifo->uevent);
return data;
@@ -283,5 +336,9 @@ nvkm_fifo_ctor(const struct nvkm_fifo_func *func, struct nvkm_device *device,
return ret;
}
- return nvkm_event_init(&nvkm_fifo_event_func, 1, 1, &fifo->cevent);
+ ret = nvkm_event_init(&nvkm_fifo_cevent_func, 1, 1, &fifo->cevent);
+ if (ret)
+ return ret;
+
+ return nvkm_event_init(&nvkm_fifo_kevent_func, 1, nr, &fifo->kevent);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
index dc6d4678f228..fab760ae922f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -371,9 +371,9 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *func,
/* allocate push buffer ctxdma instance */
if (push) {
- dmaobj = nvkm_dma_search(device->dma, oclass->client, push);
- if (!dmaobj)
- return -ENOENT;
+ dmaobj = nvkm_dmaobj_search(client, push);
+ if (IS_ERR(dmaobj))
+ return PTR_ERR(dmaobj);
ret = nvkm_object_bind(&dmaobj->object, chan->inst, -16,
&chan->push);
@@ -410,6 +410,6 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *func,
base + user * chan->chid;
chan->size = user;
- nvkm_event_send(&fifo->cevent, 1, 0, NULL, 0);
+ nvkm_fifo_cevent(fifo);
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
index 55dc415c5c08..d8019bdacd61 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
@@ -29,5 +29,5 @@ struct nvkm_fifo_chan_oclass {
struct nvkm_sclass base;
};
-int g84_fifo_chan_ntfy(struct nvkm_fifo_chan *, u32, struct nvkm_event **);
+int gf100_fifo_chan_ntfy(struct nvkm_fifo_chan *, u32, struct nvkm_event **);
#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
index 15a992b3580a..61797c4dd07a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
@@ -30,12 +30,12 @@
#include <nvif/cl826e.h>
-int
+static int
g84_fifo_chan_ntfy(struct nvkm_fifo_chan *chan, u32 type,
struct nvkm_event **pevent)
{
switch (type) {
- case G82_CHANNEL_DMA_V0_NTFY_UEVENT:
+ case NV826E_V0_NTFY_NON_STALL_INTERRUPT:
*pevent = &chan->fifo->uevent;
return 0;
default:
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
index ec68ea9747d5..cd468ab1db12 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -68,7 +68,14 @@ gf100_fifo_runlist_commit(struct gf100_fifo *fifo)
}
nvkm_done(cur);
- target = (nvkm_memory_target(cur) == NVKM_MEM_TARGET_HOST) ? 0x3 : 0x0;
+ switch (nvkm_memory_target(cur)) {
+ case NVKM_MEM_TARGET_VRAM: target = 0; break;
+ case NVKM_MEM_TARGET_NCOH: target = 3; break;
+ default:
+ mutex_unlock(&subdev->mutex);
+ WARN_ON(1);
+ return;
+ }
nvkm_wr32(device, 0x002270, (nvkm_memory_addr(cur) >> 12) |
(target << 28));
@@ -183,6 +190,7 @@ gf100_fifo_recover(struct gf100_fifo *fifo, struct nvkm_engine *engine,
if (engine != &fifo->base.engine)
fifo->recover.mask |= 1ULL << engine->subdev.index;
schedule_work(&fifo->recover.work);
+ nvkm_fifo_kevent(&fifo->base, chid);
}
static const struct nvkm_enum
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index 38c0910722c0..3a24788c3185 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -27,11 +27,71 @@
#include <core/client.h>
#include <core/gpuobj.h>
#include <subdev/bar.h>
+#include <subdev/timer.h>
#include <subdev/top.h>
#include <engine/sw.h>
#include <nvif/class.h>
+struct gk104_fifo_engine_status {
+ bool busy;
+ bool faulted;
+ bool chsw;
+ bool save;
+ bool load;
+ struct {
+ bool tsg;
+ u32 id;
+ } prev, next, *chan;
+};
+
+static void
+gk104_fifo_engine_status(struct gk104_fifo *fifo, int engn,
+ struct gk104_fifo_engine_status *status)
+{
+ struct nvkm_engine *engine = fifo->engine[engn].engine;
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08));
+
+ status->busy = !!(stat & 0x80000000);
+ status->faulted = !!(stat & 0x40000000);
+ status->next.tsg = !!(stat & 0x10000000);
+ status->next.id = (stat & 0x0fff0000) >> 16;
+ status->chsw = !!(stat & 0x00008000);
+ status->save = !!(stat & 0x00004000);
+ status->load = !!(stat & 0x00002000);
+ status->prev.tsg = !!(stat & 0x00001000);
+ status->prev.id = (stat & 0x00000fff);
+ status->chan = NULL;
+
+ if (status->busy && status->chsw) {
+ if (status->load && status->save) {
+ if (engine && nvkm_engine_chsw_load(engine))
+ status->chan = &status->next;
+ else
+ status->chan = &status->prev;
+ } else
+ if (status->load) {
+ status->chan = &status->next;
+ } else {
+ status->chan = &status->prev;
+ }
+ } else
+ if (status->load) {
+ status->chan = &status->prev;
+ }
+
+ nvkm_debug(subdev, "engine %02d: busy %d faulted %d chsw %d "
+ "save %d load %d %sid %d%s-> %sid %d%s\n",
+ engn, status->busy, status->faulted,
+ status->chsw, status->save, status->load,
+ status->prev.tsg ? "tsg" : "ch", status->prev.id,
+ status->chan == &status->prev ? "*" : " ",
+ status->next.tsg ? "tsg" : "ch", status->next.id,
+ status->chan == &status->next ? "*" : " ");
+}
+
static int
gk104_fifo_class_get(struct nvkm_fifo *base, int index,
const struct nvkm_fifo_chan_oclass **psclass)
@@ -83,10 +143,13 @@ gk104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl)
}
nvkm_done(mem);
- if (nvkm_memory_target(mem) == NVKM_MEM_TARGET_VRAM)
- target = 0;
- else
- target = 3;
+ switch (nvkm_memory_target(mem)) {
+ case NVKM_MEM_TARGET_VRAM: target = 0; break;
+ case NVKM_MEM_TARGET_NCOH: target = 3; break;
+ default:
+ WARN_ON(1);
+ return;
+ }
nvkm_wr32(device, 0x002270, (nvkm_memory_addr(mem) >> 12) |
(target << 28));
@@ -149,31 +212,137 @@ gk104_fifo_recover_work(struct work_struct *w)
nvkm_mask(device, 0x002630, runm, 0x00000000);
}
+static void gk104_fifo_recover_engn(struct gk104_fifo *fifo, int engn);
+
static void
-gk104_fifo_recover(struct gk104_fifo *fifo, struct nvkm_engine *engine,
- struct gk104_fifo_chan *chan)
+gk104_fifo_recover_runl(struct gk104_fifo *fifo, int runl)
{
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
- u32 chid = chan->base.chid;
- int engn;
+ const u32 runm = BIT(runl);
- nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n",
- nvkm_subdev_name[engine->subdev.index], chid);
assert_spin_locked(&fifo->base.lock);
+ if (fifo->recover.runm & runm)
+ return;
+ fifo->recover.runm |= runm;
- nvkm_mask(device, 0x800004 + (chid * 0x08), 0x00000800, 0x00000800);
- list_del_init(&chan->head);
- chan->killed = true;
+ /* Block runlist to prevent channel assignment(s) from changing. */
+ nvkm_mask(device, 0x002630, runm, runm);
- for (engn = 0; engn < fifo->engine_nr; engn++) {
- if (fifo->engine[engn].engine == engine) {
- fifo->recover.engm |= BIT(engn);
+ /* Schedule recovery. */
+ nvkm_warn(subdev, "runlist %d: scheduled for recovery\n", runl);
+ schedule_work(&fifo->recover.work);
+}
+
+static void
+gk104_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)
+ return;
+
+ /* Lookup SW state for channel, and mark it as dead. */
+ list_for_each_entry(chan, &fifo->runlist[runl].chan, head) {
+ if (chan->base.chid == chid) {
+ list_del_init(&chan->head);
+ chan->killed = true;
+ nvkm_fifo_kevent(&fifo->base, chid);
break;
}
}
- fifo->recover.runm |= BIT(chan->runl);
+ /* 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. */
+ gk104_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;
+ gk104_fifo_recover_engn(fifo, engn);
+ }
+}
+
+static void
+gk104_fifo_recover_engn(struct gk104_fifo *fifo, int engn)
+{
+ struct nvkm_engine *engine = fifo->engine[engn].engine;
+ 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;
+ int mmui = -1;
+
+ assert_spin_locked(&fifo->base.lock);
+ if (fifo->recover.engm & engm)
+ return;
+ fifo->recover.engm |= engm;
+
+ /* Block channel assignments from changing during recovery. */
+ gk104_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. */
+ gk104_fifo_recover_chan(&fifo->base, status.chan->id);
+ }
+
+ /* Determine MMU fault ID for the engine, if we're not being
+ * called from the fault handler already.
+ */
+ if (!status.faulted && engine) {
+ mmui = nvkm_top_fault_id(device, engine->subdev.index);
+ if (mmui < 0) {
+ const struct nvkm_enum *en = fifo->func->fault.engine;
+ for (; en && en->name; en++) {
+ if (en->data2 == engine->subdev.index) {
+ mmui = en->value;
+ break;
+ }
+ }
+ }
+ WARN_ON(mmui < 0);
+ }
+
+ /* Trigger a MMU fault for the engine.
+ *
+ * No good idea why this is needed, but nvgpu does something similar,
+ * and it makes recovery from CTXSW_TIMEOUT a lot more reliable.
+ */
+ if (mmui >= 0) {
+ nvkm_wr32(device, 0x002a30 + (engn * 0x04), 0x00000100 | mmui);
+
+ /* Wait for fault to trigger. */
+ nvkm_msec(device, 2000,
+ gk104_fifo_engine_status(fifo, engn, &status);
+ if (status.faulted)
+ break;
+ );
+
+ /* Release MMU fault trigger, and ACK the fault. */
+ nvkm_wr32(device, 0x002a30 + (engn * 0x04), 0x00000000);
+ nvkm_wr32(device, 0x00259c, BIT(mmui));
+ nvkm_wr32(device, 0x002100, 0x10000000);
+ }
+
+ /* Schedule recovery. */
+ nvkm_warn(subdev, "engine %d: scheduled for recovery\n", engn);
schedule_work(&fifo->recover.work);
}
@@ -211,34 +380,30 @@ static void
gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
- struct gk104_fifo_chan *chan;
- unsigned long flags;
+ unsigned long flags, engm = 0;
u32 engn;
+ /* We need to ACK the SCHED_ERROR here, and prevent it reasserting,
+ * as MMU_FAULT cannot be triggered while it's pending.
+ */
spin_lock_irqsave(&fifo->base.lock, flags);
+ nvkm_mask(device, 0x002140, 0x00000100, 0x00000000);
+ nvkm_wr32(device, 0x002100, 0x00000100);
+
for (engn = 0; engn < fifo->engine_nr; engn++) {
- struct nvkm_engine *engine = fifo->engine[engn].engine;
- int runl = fifo->engine[engn].runl;
- u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08));
- u32 busy = (stat & 0x80000000);
- u32 next = (stat & 0x0fff0000) >> 16;
- u32 chsw = (stat & 0x00008000);
- u32 save = (stat & 0x00004000);
- u32 load = (stat & 0x00002000);
- u32 prev = (stat & 0x00000fff);
- u32 chid = load ? next : prev;
- (void)save;
-
- if (!busy || !chsw)
+ struct gk104_fifo_engine_status status;
+
+ gk104_fifo_engine_status(fifo, engn, &status);
+ if (!status.busy || !status.chsw)
continue;
- list_for_each_entry(chan, &fifo->runlist[runl].chan, head) {
- if (chan->base.chid == chid && engine) {
- gk104_fifo_recover(fifo, engine, chan);
- break;
- }
- }
+ engm |= BIT(engn);
}
+
+ for_each_set_bit(engn, &engm, fifo->engine_nr)
+ gk104_fifo_recover_engn(fifo, engn);
+
+ nvkm_mask(device, 0x002140, 0x00000100, 0x00000100);
spin_unlock_irqrestore(&fifo->base.lock, flags);
}
@@ -301,6 +466,7 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
struct nvkm_fifo_chan *chan;
unsigned long flags;
char gpcid[8] = "", en[16] = "";
+ int engn;
er = nvkm_enum_find(fifo->func->fault.reason, reason);
eu = nvkm_enum_find(fifo->func->fault.engine, unit);
@@ -342,7 +508,8 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
snprintf(en, sizeof(en), "%s", eu->name);
}
- chan = nvkm_fifo_chan_inst(&fifo->base, (u64)inst << 12, &flags);
+ spin_lock_irqsave(&fifo->base.lock, flags);
+ chan = nvkm_fifo_chan_inst_locked(&fifo->base, (u64)inst << 12);
nvkm_error(subdev,
"%s fault at %010llx engine %02x [%s] client %02x [%s%s] "
@@ -353,9 +520,23 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
(u64)inst << 12,
chan ? chan->object.client->name : "unknown");
- if (engine && chan)
- gk104_fifo_recover(fifo, engine, (void *)chan);
- nvkm_fifo_chan_put(&fifo->base, flags, &chan);
+
+ /* Kill the channel that caused the fault. */
+ if (chan)
+ gk104_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) {
+ gk104_fifo_recover_engn(fifo, engn);
+ break;
+ }
+ }
+
+ spin_unlock_irqrestore(&fifo->base.lock, flags);
}
static const struct nvkm_bitfield gk104_fifo_pbdma_intr_0[] = {
@@ -716,6 +897,7 @@ gk104_fifo_ = {
.intr = gk104_fifo_intr,
.uevent_init = gk104_fifo_uevent_init,
.uevent_fini = gk104_fifo_uevent_fini,
+ .recover_chan = gk104_fifo_recover_chan,
.class_get = gk104_fifo_class_get,
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
index 12d964260a29..f9e0377d3d24 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
@@ -32,6 +32,23 @@
#include <nvif/cl906f.h>
#include <nvif/unpack.h>
+int
+gf100_fifo_chan_ntfy(struct nvkm_fifo_chan *chan, u32 type,
+ struct nvkm_event **pevent)
+{
+ switch (type) {
+ case NV906F_V0_NTFY_NON_STALL_INTERRUPT:
+ *pevent = &chan->fifo->uevent;
+ return 0;
+ case NV906F_V0_NTFY_KILLED:
+ *pevent = &chan->fifo->kevent;
+ return 0;
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
static u32
gf100_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
{
@@ -184,7 +201,7 @@ gf100_fifo_gpfifo_func = {
.dtor = gf100_fifo_gpfifo_dtor,
.init = gf100_fifo_gpfifo_init,
.fini = gf100_fifo_gpfifo_fini,
- .ntfy = g84_fifo_chan_ntfy,
+ .ntfy = gf100_fifo_chan_ntfy,
.engine_ctor = gf100_fifo_gpfifo_engine_ctor,
.engine_dtor = gf100_fifo_gpfifo_engine_dtor,
.engine_init = gf100_fifo_gpfifo_engine_init,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
index a2df4f3e7763..8abf6f8ef445 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -50,6 +50,7 @@ gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan)
) < 0) {
nvkm_error(subdev, "channel %d [%s] kick timeout\n",
chan->base.chid, client->name);
+ nvkm_fifo_recover_chan(&fifo->base, chan->base.chid);
ret = -ETIMEDOUT;
}
mutex_unlock(&subdev->mutex);
@@ -213,7 +214,7 @@ gk104_fifo_gpfifo_func = {
.dtor = gk104_fifo_gpfifo_dtor,
.init = gk104_fifo_gpfifo_init,
.fini = gk104_fifo_gpfifo_fini,
- .ntfy = g84_fifo_chan_ntfy,
+ .ntfy = gf100_fifo_chan_ntfy,
.engine_ctor = gk104_fifo_gpfifo_engine_ctor,
.engine_dtor = gk104_fifo_gpfifo_engine_dtor,
.engine_init = gk104_fifo_gpfifo_engine_init,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
index f6dfb37d9429..f889b13b5e41 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
@@ -6,6 +6,12 @@
int nvkm_fifo_ctor(const struct nvkm_fifo_func *, struct nvkm_device *,
int index, int nr, struct nvkm_fifo *);
void nvkm_fifo_uevent(struct nvkm_fifo *);
+void nvkm_fifo_cevent(struct nvkm_fifo *);
+void nvkm_fifo_kevent(struct nvkm_fifo *, int chid);
+void nvkm_fifo_recover_chan(struct nvkm_fifo *, int chid);
+
+struct nvkm_fifo_chan *
+nvkm_fifo_chan_inst_locked(struct nvkm_fifo *, u64 inst);
struct nvkm_fifo_chan_oclass;
struct nvkm_fifo_func {
@@ -18,6 +24,7 @@ struct nvkm_fifo_func {
void (*start)(struct nvkm_fifo *, unsigned long *);
void (*uevent_init)(struct nvkm_fifo *);
void (*uevent_fini)(struct nvkm_fifo *);
+ void (*recover_chan)(struct nvkm_fifo *, int chid);
int (*class_get)(struct nvkm_fifo *, int index,
const struct nvkm_fifo_chan_oclass **);
const struct nvkm_fifo_chan_oclass *chan[];
OpenPOWER on IntegriCloud