diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index 6d12a2efee11..32c35397ae64 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -48,6 +48,7 @@ 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)); @@ -61,7 +62,24 @@ gk104_fifo_engine_status(struct gk104_fifo *fifo, int engn, status->load = !!(stat & 0x00002000); status->prev.tsg = !!(stat & 0x00001000); status->prev.id = (stat & 0x00000fff); - status->chan = status->load ? &status->next : &status->prev; + 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", |