diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index e7ac95a38725..86537692e45c 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -187,6 +187,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags) init_waitqueue_head(&priv->fence_event); INIT_LIST_HEAD(&priv->inactive_list); + INIT_LIST_HEAD(&priv->fence_cbs); drm_mode_config_init(dev); @@ -539,15 +540,36 @@ int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, return ret; } -/* call under struct_mutex */ +/* called from workqueue */ void msm_update_fence(struct drm_device *dev, uint32_t fence) { struct msm_drm_private *priv = dev->dev_private; - if (fence > priv->completed_fence) { - priv->completed_fence = fence; - wake_up_all(&priv->fence_event); + mutex_lock(&dev->struct_mutex); + priv->completed_fence = max(fence, priv->completed_fence); + + while (!list_empty(&priv->fence_cbs)) { + struct msm_fence_cb *cb; + + cb = list_first_entry(&priv->fence_cbs, + struct msm_fence_cb, work.entry); + + if (cb->fence > priv->completed_fence) + break; + + list_del_init(&cb->work.entry); + queue_work(priv->wq, &cb->work); } + + mutex_unlock(&dev->struct_mutex); + + wake_up_all(&priv->fence_event); +} + +void __msm_fence_worker(struct work_struct *work) +{ + struct msm_fence_cb *cb = container_of(work, struct msm_fence_cb, work); + cb->func(cb); } /* |