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drm/sis: clean up reclaim_buffers

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v2: Actually drop the idlelock again if taken.

v3: Fixup.

v4: Fixup the "has master" vs. "is master" confusion the refactor
introduced.

v5: Drop the idlelock in the early return path.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter 2011-10-25 23:42:59 +02:00 committed by Dave Airlie
parent 834859c3ab
commit ea5e437406
2 changed files with 12 additions and 4 deletions
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3
drivers/gpu/drm/sis/sis_drv.c
View file

@ -105,10 +105,9 @@ static struct drm_driver driver = {
.load = sis_driver_load,
.unload = sis_driver_unload,
.open = sis_driver_open,
.preclose = sis_reclaim_buffers_locked,
.postclose = sis_driver_postclose,
.dma_quiescent = sis_idle,
.reclaim_buffers = NULL,
.reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
.lastclose = sis_lastclose,
.ioctls = sis_ioctls,
.fops = &sis_driver_fops,

13
drivers/gpu/drm/sis/sis_mm.c
View file

@ -321,14 +321,20 @@ void sis_reclaim_buffers_locked(struct drm_device *dev,
struct sis_file_private *file_priv = file->driver_priv;
struct sis_memblock *entry, *next;
if (!(file->minor->master && file->master->lock.hw_lock))
return;
drm_idlelock_take(&file->master->lock);
mutex_lock(&dev->struct_mutex);
if (list_empty(&file_priv->obj_list)) {
mutex_unlock(&dev->struct_mutex);
drm_idlelock_release(&file->master->lock);
return;
}
if (dev->driver->dma_quiescent)
dev->driver->dma_quiescent(dev);
sis_idle(dev);
list_for_each_entry_safe(entry, next, &file_priv->obj_list,
@ -343,6 +349,9 @@ void sis_reclaim_buffers_locked(struct drm_device *dev,
kfree(entry);
}
mutex_unlock(&dev->struct_mutex);
drm_idlelock_release(&file->master->lock);
return;
}