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Diffstat (limited to 'drivers/gpu/drm/drm_legacy.h')
-rw-r--r--drivers/gpu/drm/drm_legacy.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
index f2d076823b2d..3049af5a01b3 100644
--- a/drivers/gpu/drm/drm_legacy.h
+++ b/drivers/gpu/drm/drm_legacy.h
@@ -83,4 +83,13 @@ struct drm_agp_mem {
struct list_head head;
};
+/*
+ * Generic Userspace Locking-API
+ */
+
+int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f);
+int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx);
+
#endif /* __DRM_LEGACY_H__ */