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drm/nve0/fifo: create our playlists up-front, at startup 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-05-07 09:09:46 +10:00
parent da746d4ec9
commit 8d6f585d00
1 changed files with 14 additions and 14 deletions
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28
drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
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@ -97,18 +97,6 @@ nve0_fifo_playlist_update(struct nve0_fifo_priv *priv, u32 engine)
mutex_lock(&nv_subdev(priv)->mutex);
cur = engn->playlist[engn->cur_playlist];
if (unlikely(cur == NULL)) {
int ret = nouveau_gpuobj_new(nv_object(priv), NULL,
0x8000, 0x1000, 0, &cur);
if (ret) {
mutex_unlock(&nv_subdev(priv)->mutex);
nv_error(priv, "playlist alloc failed\n");
return;
}
engn->playlist[engn->cur_playlist] = cur;
}
engn->cur_playlist = !engn->cur_playlist;
for (i = 0, p = 0; i < priv->base.max; i++) {
@ -599,13 +587,25 @@ nve0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_object **pobject)
{
struct nve0_fifo_priv *priv;
int ret;
int ret, i;
ret = nouveau_fifo_create(parent, engine, oclass, 0, 4095, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
for (i = 0; i < FIFO_ENGINE_NR; i++) {
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
0, &priv->engine[i].playlist[0]);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
0, &priv->engine[i].playlist[1]);
if (ret)
return ret;
}
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 4096 * 0x200, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem);
if (ret)
@ -636,7 +636,7 @@ nve0_fifo_dtor(struct nouveau_object *object)
nouveau_gpuobj_unmap(&priv->user.bar);
nouveau_gpuobj_ref(NULL, &priv->user.mem);
for (i = 0; i < ARRAY_SIZE(priv->engine); i++) {
for (i = 0; i < FIFO_ENGINE_NR; i++) {
nouveau_gpuobj_ref(NULL, &priv->engine[i].playlist[1]);
nouveau_gpuobj_ref(NULL, &priv->engine[i].playlist[0]);
}