diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_channel.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index a018defb7621..337e228629ed 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -122,7 +122,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); struct nouveau_channel *chan; unsigned long flags; - int ret; + int ret, i; /* allocate and lock channel structure */ chan = kzalloc(sizeof(*chan), GFP_KERNEL); @@ -184,7 +184,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, return ret; } - nouveau_dma_pre_init(chan); + nouveau_dma_init(chan); chan->user_put = 0x40; chan->user_get = 0x44; if (dev_priv->card_type >= NV_50) @@ -202,9 +202,18 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, pfifo->reassign(dev, true); - ret = nouveau_dma_init(chan); - if (!ret) - ret = nouveau_fence_channel_init(chan); + /* Insert NOPs for NOUVEAU_DMA_SKIPS */ + ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS); + if (ret) { + nouveau_channel_put(&chan); + return ret; + } + + for (i = 0; i < NOUVEAU_DMA_SKIPS; i++) + OUT_RING (chan, 0x00000000); + FIRE_RING(chan); + + ret = nouveau_fence_channel_init(chan); if (ret) { nouveau_channel_put(&chan); return ret; |