diff options
| -rw-r--r-- | drivers/video/omap2/dss/manager.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index 13d72d5..63674b0 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c @@ -586,6 +586,13 @@ static int omap_dss_unset_device(struct omap_overlay_manager *mgr) return -EINVAL; } + /* + * Don't allow currently enabled displays to have the overlay manager + * pulled out from underneath them + */ + if (mgr->device->state != OMAP_DSS_DISPLAY_DISABLED) + return -EINVAL; + mgr->device->manager = NULL; mgr->device = NULL; mgr->device_changed = true; |
