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drm: Clean up drm_dev_unplug 

Use drm_dev_unregister to unregister the interfaces, which also allows
us to simplify the open_count == 0 case.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170802115604.12734-5-daniel.vetter@ffwll.ch
zero-colors
Daniel Vetter 2017-08-02 13:56:04 +02:00
parent 2e45eeac7c
commit 0469901ea4
1 changed files with 3 additions and 12 deletions
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15
drivers/gpu/drm/drm_drv.c
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@ -381,21 +381,12 @@ static void drm_device_set_unplugged(struct drm_device *dev)
*/
void drm_dev_unplug(struct drm_device *dev)
{
/* for a USB device */
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_modeset_unregister_all(dev);
drm_minor_unregister(dev, DRM_MINOR_PRIMARY);
drm_minor_unregister(dev, DRM_MINOR_RENDER);
drm_minor_unregister(dev, DRM_MINOR_CONTROL);
drm_dev_unregister(dev);
mutex_lock(&drm_global_mutex);
drm_device_set_unplugged(dev);
if (dev->open_count == 0) {
drm_put_dev(dev);
}
if (dev->open_count == 0)
drm_dev_unref(dev);
mutex_unlock(&drm_global_mutex);
}
EXPORT_SYMBOL(drm_dev_unplug);