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platform_kernel-5.15
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drm/nouveau/fifo/gk104-: implement support for PTOP fault info 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-04-08 17:24:40 +10:00
parent 91419acf78
commit e50d0237fc
1 changed files with 16 additions and 2 deletions
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18
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
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@ -300,7 +300,7 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
struct nvkm_engine *engine = NULL;
struct nvkm_fifo_chan *chan;
unsigned long flags;
char gpcid[8] = "";
char gpcid[8] = "", en[16] = "";
er = nvkm_enum_find(fifo->func->fault.reason, reason);
eu = nvkm_enum_find(fifo->func->fault.engine, unit);
@ -328,13 +328,27 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
}
}
if (eu == NULL) {
enum nvkm_devidx engidx = nvkm_top_fault(device->top, unit);
if (engidx < NVKM_SUBDEV_NR) {
const char *src = nvkm_subdev_name[engidx];
char *dst = en;
do {
*dst++ = toupper(*src++);
} while(*src);
engine = nvkm_device_engine(device, engidx);
}
} else {
snprintf(en, sizeof(en), "%s", eu->name);
}
chan = nvkm_fifo_chan_inst(&fifo->base, (u64)inst << 12, &flags);
nvkm_error(subdev,
"%s fault at %010llx engine %02x [%s] client %02x [%s%s] "
"reason %02x [%s] on channel %d [%010llx %s]\n",
write ? "write" : "read", (u64)vahi << 32 | valo,
unit, eu ? eu->name : "", client, gpcid, ec ? ec->name : "",
unit, en, client, gpcid, ec ? ec->name : "",
reason, er ? er->name : "", chan ? chan->chid : -1,
(u64)inst << 12,
chan ? chan->object.client->name : "unknown");