diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 41241922263f..5eb3e0da7c6e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -116,6 +116,11 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, { struct nouveau_abi16_ntfy *ntfy, *temp; + /* wait for all activity to stop before releasing notify object, which + * may be still in use */ + if (chan->chan && chan->ntfy) + nouveau_channel_idle(chan->chan); + /* cleanup notifier state */ list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { nouveau_abi16_ntfy_fini(chan, ntfy); @@ -386,7 +391,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_device *device = nv_device(drm->device); struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); - struct nouveau_abi16_chan *chan, *temp; + struct nouveau_abi16_chan *chan = NULL, *temp; struct nouveau_abi16_ntfy *ntfy; struct nouveau_object *object; struct nv_dma_class args = {}; @@ -399,10 +404,11 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) if (unlikely(nv_device(abi16->device)->card_type >= NV_C0)) return nouveau_abi16_put(abi16, -EINVAL); - list_for_each_entry_safe(chan, temp, &abi16->channels, head) { - if (chan->chan->handle == (NVDRM_CHAN | info->channel)) + list_for_each_entry(temp, &abi16->channels, head) { + if (temp->chan->handle == (NVDRM_CHAN | info->channel)) { + chan = temp; break; - chan = NULL; + } } if (!chan) @@ -454,17 +460,18 @@ nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) { struct drm_nouveau_gpuobj_free *fini = data; struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); - struct nouveau_abi16_chan *chan, *temp; + struct nouveau_abi16_chan *chan = NULL, *temp; struct nouveau_abi16_ntfy *ntfy; int ret; if (unlikely(!abi16)) return -ENOMEM; - list_for_each_entry_safe(chan, temp, &abi16->channels, head) { - if (chan->chan->handle == (NVDRM_CHAN | fini->channel)) + list_for_each_entry(temp, &abi16->channels, head) { + if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) { + chan = temp; break; - chan = NULL; + } } if (!chan) |