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Commit 3534821d authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/fifo/gk104-: directly use new recovery code for mmu faults 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent eaa5ed65

drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c

+14 −4
Original line number Diff line number Diff line
@@ -66,19 +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;

}

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

+20 −4
Original line number Diff line number Diff line
@@ -435,6 +435,7 @@ 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);
@@ -476,7 +477,8 @@ 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] "
@@ -487,9 +489,23 @@ 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[] = {

drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h

+3 −0
Original line number Diff line number Diff line
@@ -10,6 +10,9 @@ 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 {

	void *(*dtor)(struct nvkm_fifo *);