提交 923d1fe8 编写于 作者: D Daniel Vetter 提交者: Dave Airlie

drm: kill reclaim_buffers_locked

i810 was the last user of this code, with that gone, kill it.
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NDave Airlie <airlied@redhat.com>
上级 d5346b37
......@@ -370,53 +370,10 @@ int drm_fasync(int fd, struct file *filp, int on)
}
EXPORT_SYMBOL(drm_fasync);
/*
* Reclaim locked buffers; note that this may be a bad idea if the current
* context doesn't have the hw lock...
*/
static void drm_reclaim_locked_buffers(struct drm_device *dev, struct file *f)
{
struct drm_file *file_priv = f->private_data;
if (drm_i_have_hw_lock(dev, file_priv)) {
dev->driver->reclaim_buffers_locked(dev, file_priv);
} else {
unsigned long _end = jiffies + 3 * DRM_HZ;
int locked = 0;
drm_idlelock_take(&file_priv->master->lock);
/*
* Wait for a while.
*/
do {
spin_lock_bh(&file_priv->master->lock.spinlock);
locked = file_priv->master->lock.idle_has_lock;
spin_unlock_bh(&file_priv->master->lock.spinlock);
if (locked)
break;
schedule();
} while (!time_after_eq(jiffies, _end));
if (!locked) {
DRM_ERROR("reclaim_buffers_locked() deadlock. Please rework this\n"
"\tdriver to use reclaim_buffers_idlelocked() instead.\n"
"\tI will go on reclaiming the buffers anyway.\n");
}
dev->driver->reclaim_buffers_locked(dev, file_priv);
drm_idlelock_release(&file_priv->master->lock);
}
}
static void drm_master_release(struct drm_device *dev, struct file *filp)
{
struct drm_file *file_priv = filp->private_data;
if (dev->driver->reclaim_buffers_locked &&
file_priv->master->lock.hw_lock)
drm_reclaim_locked_buffers(dev, filp);
if (drm_i_have_hw_lock(dev, file_priv)) {
DRM_DEBUG("File %p released, freeing lock for context %d\n",
filp, _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
......@@ -424,8 +381,7 @@ static void drm_master_release(struct drm_device *dev, struct file *filp)
_DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
}
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
!dev->driver->reclaim_buffers_locked) {
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) {
dev->driver->reclaim_buffers(dev, file_priv);
}
}
......
......@@ -1147,7 +1147,6 @@ static struct drm_driver driver = {
.get_vblank_counter = vmw_get_vblank_counter,
.enable_vblank = vmw_enable_vblank,
.disable_vblank = vmw_disable_vblank,
.reclaim_buffers_locked = NULL,
.ioctls = vmw_ioctls,
.num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
.dma_quiescent = NULL, /*vmw_dma_quiescent, */
......
......@@ -878,8 +878,6 @@ struct drm_driver {
void (*irq_uninstall) (struct drm_device *dev);
void (*reclaim_buffers) (struct drm_device *dev,
struct drm_file * file_priv);
void (*reclaim_buffers_locked) (struct drm_device *dev,
struct drm_file *file_priv);
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
......
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