drm: add driver->set_busid() callback

[deliverable/linux.git] / drivers / gpu / drm / drm_ioctl.c

diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index cb6b54aebd6fcc0239568cfc5e479f75ce96b324..4770bd78b30780e1656249549e8b70e9162084fa 100644 (file)
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -244,7 +244,13 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
        if (master->unique != NULL)
                drm_unset_busid(dev, master);
 
-       if (dev->driver->bus && dev->driver->bus->set_busid) {
+       if (dev->driver->set_busid) {
+               ret = dev->driver->set_busid(dev, master);
+               if (ret) {
+                       drm_unset_busid(dev, master);
+                       return ret;
+               }
+       } else if (dev->driver->bus && dev->driver->bus->set_busid) {
                ret = dev->driver->bus->set_busid(dev, master);
                if (ret) {
                        drm_unset_busid(dev, master);