drm/nouveau/fifo: use runlist engine info to lookup engine classes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

1 files changed, 0 insertions, 46 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
index e2178a8f78a7..5fabf7373079 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -217,50 +217,6 @@ nvkm_fifo_chan_child_new(const struct nvkm_oclass *oclass, void *data, u32 size,
 }
 
 static int
-nvkm_fifo_chan_child_get(struct nvkm_object *object, int index,
-			 struct nvkm_oclass *oclass)
-{
-	struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object);
-	struct nvkm_fifo *fifo = chan->fifo;
-	struct nvkm_engine *engine;
-	u32 engm = chan->engm;
-	int engi, ret, c;
-
-	for (; c = 0, engi = __ffs(engm), engm; engm &= ~(1ULL << engi)) {
-		if (!(engine = fifo->func->id_engine(fifo, engi)))
-			continue;
-		oclass->engine = engine;
-		oclass->base.oclass = 0;
-
-		if (engine->func->fifo.sclass) {
-			ret = engine->func->fifo.sclass(oclass, index);
-			if (oclass->base.oclass) {
-				if (!oclass->base.ctor)
-					oclass->base.ctor = nvkm_object_new;
-				oclass->ctor = nvkm_fifo_chan_child_new;
-				return 0;
-			}
-
-			index -= ret;
-			continue;
-		}
-
-		while (engine->func->sclass[c].oclass) {
-			if (c++ == index) {
-				oclass->base = engine->func->sclass[index];
-				if (!oclass->base.ctor)
-					oclass->base.ctor = nvkm_object_new;
-				oclass->ctor = nvkm_fifo_chan_child_new;
-				return 0;
-			}
-		}
-		index -= c;
-	}
-
-	return -EINVAL;
-}
-
-static int
 nvkm_fifo_chan_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
 {
 	struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object);
@@ -355,7 +311,6 @@ nvkm_fifo_chan_func = {
 	.init = nvkm_fifo_chan_init,
 	.fini = nvkm_fifo_chan_fini,
 	.map = nvkm_fifo_chan_map,
-	.sclass = nvkm_fifo_chan_child_get,
 	.uevent = nvkm_fifo_chan_uevent,
 };
 
@@ -407,7 +362,6 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
 
 	nvkm_object_ctor(&nvkm_fifo_chan_func, oclass, &chan->object);
 	chan->fifo = fifo;
-	chan->engm = engm;
 	INIT_LIST_HEAD(&chan->head);
 
 	/* Join channel group.