diff options
Diffstat (limited to 'linux-core/drm_irq.c')
| -rw-r--r-- | linux-core/drm_irq.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index b317d863..103f3e2b 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -192,58 +192,6 @@ err: } EXPORT_SYMBOL(drm_vblank_init); -int drm_wait_hotplug(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - union drm_wait_hotplug *hotplugwait = data; - struct timeval now; - int ret = 0; - unsigned int flags; - - if ((!dev->irq) || (!dev->irq_enabled)) - return -EINVAL; - - flags = hotplugwait->request.type; - - if (flags & _DRM_HOTPLUG_SIGNAL) { - unsigned long irqflags; - struct list_head *hotplug_sigs = dev->hotplug_sigs; - struct drm_hotplug_sig *hotplug_sig; - - hotplug_sig = drm_calloc(1, sizeof(struct drm_hotplug_sig), - DRM_MEM_DRIVER); - if (!hotplug_sig) - return -ENOMEM; - - atomic_inc(&dev->hotplug_signal_pending); - - hotplug_sig->info.si_signo = hotplugwait->request.signal; - hotplug_sig->task = current; - hotplug_sig->counter = - hotplugwait->reply.counter = - dev->mode_config.hotplug_counter; - - spin_lock_irqsave(&dev->hotplug_lock, irqflags); - - list_add_tail(&hotplug_sig->head, hotplug_sigs); - - spin_unlock_irqrestore(&dev->hotplug_lock, irqflags); - } else { - int cur_hotplug = dev->mode_config.hotplug_counter; - - DRM_WAIT_ON(ret, dev->hotplug_queue, 3 * DRM_HZ, - dev->mode_config.hotplug_counter > cur_hotplug); - - do_gettimeofday(&now); - - hotplugwait->reply.tval_sec = now.tv_sec; - hotplugwait->reply.tval_usec = now.tv_usec; - hotplugwait->reply.counter = dev->mode_config.hotplug_counter; - } - - return ret; -} - static void drm_hotplug_cleanup(struct drm_device *dev) { if (dev->hotplug_sigs) |