drm: kill dev->timer

Totally unused.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_drv.c

@@ -180,8 +180,6 @@ int drm_lastclose(struct drm_device * dev)
 
 	mutex_lock(&dev->struct_mutex);
 
-	del_timer(&dev->timer);
-
 	/* Clear AGP information */
 	if (drm_core_has_AGP(dev) && dev->agp &&
 			!drm_core_check_feature(dev, DRIVER_MODESET)) {

drivers/gpu/drm/drm_stub.c

@@ -241,7 +241,6 @@ int drm_fill_in_dev(struct drm_device *dev,
 
 	spin_lock_init(&dev->count_lock);
 	spin_lock_init(&dev->event_lock);
-	init_timer(&dev->timer);
 	mutex_init(&dev->struct_mutex);
 	mutex_init(&dev->ctxlist_mutex);
 

include/drm/drmP.h

@@ -964,7 +964,6 @@ struct drm_device {
 	__volatile__ long context_flag;	/**< Context swapping flag */
 	__volatile__ long interrupt_flag; /**< Interruption handler flag */
 	__volatile__ long dma_flag;	/**< DMA dispatch flag */
-	struct timer_list timer;	/**< Timer for delaying ctx switch */
 	wait_queue_head_t context_wait;	/**< Processes waiting on ctx switch */
 	int last_checked;		/**< Last context checked for DMA */
 	int last_context;		/**< Last current context */