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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
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@ -381,21 +381,12 @@ static void drm_device_set_unplugged(struct drm_device *dev)
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*/
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void drm_dev_unplug(struct drm_device *dev)
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{
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/* for a USB device */
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if (drm_core_check_feature(dev, DRIVER_MODESET))
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drm_modeset_unregister_all(dev);
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drm_minor_unregister(dev, DRM_MINOR_PRIMARY);
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drm_minor_unregister(dev, DRM_MINOR_RENDER);
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drm_minor_unregister(dev, DRM_MINOR_CONTROL);
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drm_dev_unregister(dev);
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mutex_lock(&drm_global_mutex);
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drm_device_set_unplugged(dev);
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if (dev->open_count == 0) {
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drm_put_dev(dev);
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}
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if (dev->open_count == 0)
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drm_dev_unref(dev);
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mutex_unlock(&drm_global_mutex);
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}
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EXPORT_SYMBOL(drm_dev_unplug);
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