static int vmw_master_set(struct drm_device *dev,
struct drm_file *file_priv,
bool from_open)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *active = dev_priv->active_master;
struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret = 0;
if (active) {
BUG_ON(active != &dev_priv->fbdev_master);
ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
if (unlikely(ret != 0))
return ret;
ttm_lock_set_kill(&active->lock, true, SIGTERM);
dev_priv->active_master = NULL;
}
ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
if (!from_open) {
ttm_vt_unlock(&vmaster->lock);
BUG_ON(vmw_fp->locked_master != file_priv->master);
drm_master_put(&vmw_fp->locked_master);
}
dev_priv->active_master = vmaster;
drm_sysfs_hotplug_event(dev);
return 0;
}
/*
* Handle hotplug events outside the interrupt handler proper.
*/
static void radeon_hotplug_work_func(struct work_struct *work)
{
struct radeon_device *rdev = container_of(work, struct radeon_device,
hotplug_work);
struct drm_device *dev = rdev->ddev;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
if (mode_config->num_connector) {
list_for_each_entry(connector, &mode_config->connector_list, head)
radeon_connector_hotplug(connector);
}
/* Just fire off a uevent and let userspace tell us what to do */
drm_sysfs_hotplug_event(dev);
}
/* fallthrough */
default:
return DRM_MODE_CONNECTOR_Unknown;
}
}
#if 0 /* enable when dss2 supports hotplug */
static int omap_drm_notifier(struct notifier_block *nb,
unsigned long evt, void *arg)
{
switch (evt) {
case OMAP_DSS_SIZE_CHANGE:
case OMAP_DSS_HOTPLUG_CONNECT:
case OMAP_DSS_HOTPLUG_DISCONNECT: {
struct drm_device *dev = drm_device;
DBG("hotplug event: evt=%d, dev=%p", evt, dev);
if (dev) {
drm_sysfs_hotplug_event(dev);
}
return NOTIFY_OK;
}
default: /* don't care about other events for now */
return NOTIFY_DONE;
}
}
