diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index cfd921ff0cc4..574bd1c81ebd 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1170,6 +1170,8 @@ struct drm_device { struct idr object_name_idr; /*@} */ int switch_power_state; + + atomic_t unplugged; /* device has been unplugged or gone away */ }; #define DRM_SWITCH_POWER_ON 0 @@ -1235,6 +1237,19 @@ static inline int drm_mtrr_del(int handle, unsigned long offset, } #endif +static inline void drm_device_set_unplugged(struct drm_device *dev) +{ + smp_wmb(); + atomic_set(&dev->unplugged, 1); +} + +static inline int drm_device_is_unplugged(struct drm_device *dev) +{ + int ret = atomic_read(&dev->unplugged); + smp_rmb(); + return ret; +} + /******************************************************************/ /** \name Internal function definitions */ /*@{*/ @@ -1455,6 +1470,7 @@ extern void drm_master_put(struct drm_master **master); extern void drm_put_dev(struct drm_device *dev); extern int drm_put_minor(struct drm_minor **minor); +extern void drm_unplug_dev(struct drm_device *dev); extern unsigned int drm_debug; extern unsigned int drm_vblank_offdelay; |