drm_master_internal_acquire
if (drm_master_internal_acquire(dlog->client.dev)) {
EXPORT_SYMBOL(drm_master_internal_acquire);
if (!drm_master_internal_acquire(dev))
if (!drm_master_internal_acquire(dev))
if (!drm_master_internal_acquire(dev))
if (!drm_master_internal_acquire(dev)) {
if (!fb_helper->fb || !drm_master_internal_acquire(fb_helper->dev)) {
if (!drm_master_internal_acquire(dev)) {
bool drm_master_internal_acquire(struct drm_device *dev);