static int
nv50_disp_data_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv50_disp_priv *priv = (void *)engine;
struct nouveau_engctx *ectx;
int ret = -EBUSY;
/* no context needed for channel objects... */
if (nv_mclass(parent) != NV_DEVICE_CLASS) {
atomic_inc(&parent->refcount);
*pobject = parent;
return 1;
}
/* allocate display hardware to client */
mutex_lock(&nv_subdev(priv)->mutex);
if (list_empty(&nv_engine(priv)->contexts)) {
ret = nouveau_engctx_create(parent, engine, oclass, NULL,
0x10000, 0x10000,
NVOBJ_FLAG_HEAP, &ectx);
*pobject = nv_object(ectx);
}
mutex_unlock(&nv_subdev(priv)->mutex);
return ret;
}
int
_nouveau_xtensa_engctx_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_engctx *engctx;
int ret;
ret = nouveau_engctx_create(parent, engine, oclass, NULL,
0x10000, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &engctx);
*pobject = nv_object(engctx);
return ret;
}