diff options
Diffstat (limited to 'drivers/char/drm/drm_lock.c')
| -rw-r--r-- | drivers/char/drm/drm_lock.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index 950e78dbcc3..57c4306f4cb 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -41,23 +41,22 @@ static int drm_notifier(void *priv); * Lock ioctl. * * \param inode device inode. - * \param filp file pointer. + * \param file_priv DRM file private. * \param cmd command. * \param arg user argument, pointing to a drm_lock structure. * \return zero on success or negative number on failure. * * Add the current task to the lock wait queue, and attempt to take to lock. */ -int drm_lock(struct inode *inode, struct file *filp, +int drm_lock(struct inode *inode, struct drm_file *file_priv, unsigned int cmd, unsigned long arg) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; + struct drm_device *dev = file_priv->head->dev; DECLARE_WAITQUEUE(entry, current); struct drm_lock lock; int ret = 0; - ++priv->lock_count; + ++file_priv->lock_count; if (copy_from_user(&lock, (struct drm_lock __user *) arg, sizeof(lock))) return -EFAULT; @@ -88,7 +87,7 @@ int drm_lock(struct inode *inode, struct file *filp, break; } if (drm_lock_take(&dev->lock, lock.context)) { - dev->lock.filp = filp; + dev->lock.file_priv = file_priv; dev->lock.lock_time = jiffies; atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); break; /* Got lock */ @@ -142,18 +141,17 @@ int drm_lock(struct inode *inode, struct file *filp, * Unlock ioctl. * * \param inode device inode. - * \param filp file pointer. + * \param file_priv DRM file private. * \param cmd command. * \param arg user argument, pointing to a drm_lock structure. * \return zero on success or negative number on failure. * * Transfer and free the lock. */ -int drm_unlock(struct inode *inode, struct file *filp, +int drm_unlock(struct inode *inode, struct drm_file *file_priv, unsigned int cmd, unsigned long arg) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; + struct drm_device *dev = file_priv->head->dev; struct drm_lock lock; unsigned long irqflags; @@ -257,7 +255,7 @@ static int drm_lock_transfer(struct drm_lock_data *lock_data, unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; - lock_data->filp = NULL; + lock_data->file_priv = NULL; do { old = *lock; new = context | _DRM_LOCK_HELD; @@ -390,13 +388,13 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) EXPORT_SYMBOL(drm_idlelock_release); -int drm_i_have_hw_lock(struct file *filp) +int drm_i_have_hw_lock(struct drm_file *file_priv) { DRM_DEVICE; - return (priv->lock_count && dev->lock.hw_lock && + return (file_priv->lock_count && dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && - dev->lock.filp == filp); + dev->lock.file_priv == file_priv); } EXPORT_SYMBOL(drm_i_have_hw_lock); |