diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/display.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/display.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c index e567ff68b216..94c012e0584b 100644 --- a/drivers/gpu/drm/omapdrm/dss/display.c +++ b/drivers/gpu/drm/omapdrm/dss/display.c @@ -132,6 +132,24 @@ void omapdss_unregister_display(struct omap_dss_device *dssdev) } EXPORT_SYMBOL(omapdss_unregister_display); +bool omapdss_component_is_display(struct device_node *node) +{ + struct omap_dss_device *dssdev; + bool found = false; + + mutex_lock(&panel_list_mutex); + list_for_each_entry(dssdev, &panel_list, panel_list) { + if (dssdev->dev->of_node == node) { + found = true; + goto out; + } + } +out: + mutex_unlock(&panel_list_mutex); + return found; +} +EXPORT_SYMBOL(omapdss_component_is_display); + struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev) { if (!try_module_get(dssdev->owner)) |