diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c index 4d4a6b905370..46dfa68c47bb 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c @@ -71,6 +71,7 @@ nvc0_fifo_playlist_update(struct nvc0_fifo_priv *priv) struct nouveau_gpuobj *cur; int i, p; + mutex_lock(&nv_subdev(priv)->mutex); cur = priv->playlist[priv->cur_playlist]; priv->cur_playlist = !priv->cur_playlist; @@ -87,6 +88,7 @@ nvc0_fifo_playlist_update(struct nvc0_fifo_priv *priv) nv_wr32(priv, 0x002274, 0x01f00000 | (p >> 3)); if (!nv_wait(priv, 0x00227c, 0x00100000, 0x00000000)) nv_error(priv, "playlist update failed\n"); + mutex_unlock(&nv_subdev(priv)->mutex); } static int @@ -248,9 +250,17 @@ nvc0_fifo_chan_fini(struct nouveau_object *object, bool suspend) struct nvc0_fifo_priv *priv = (void *)object->engine; struct nvc0_fifo_chan *chan = (void *)object; u32 chid = chan->base.chid; + u32 mask, engine; nv_mask(priv, 0x003004 + (chid * 8), 0x00000001, 0x00000000); nvc0_fifo_playlist_update(priv); + mask = nv_rd32(priv, 0x0025a4); + for (engine = 0; mask && engine < 16; engine++) { + if (!(mask & (1 << engine))) + continue; + nv_mask(priv, 0x0025a8 + (engine * 4), 0x00000000, 0x00000000); + mask &= ~(1 << engine); + } nv_wr32(priv, 0x003000 + (chid * 8), 0x00000000); return nouveau_fifo_channel_fini(&chan->base, suspend); |