uint32_t id;
uint32_t type;
struct drm_object_properties *properties;
+ struct kref refcount;
+ void (*free_cb)(struct kref *kref);
};
#define DRM_OBJECT_MAX_PROPERTY 24
* should be deferred. In cases like this, the driver would like to
* hold a ref to the fb even though it has already been removed from
* userspace perspective.
+ * The refcount is stored inside the mode object.
*/
- struct kref refcount;
/*
* Place on the dev->mode_config.fb_list, access protected by
* dev->mode_config.fb_lock.
const struct drm_framebuffer_funcs *funcs);
extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev,
uint32_t id);
-extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
-extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb);
int gamma_size);
extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
uint32_t id, uint32_t type);
+void drm_mode_object_reference(struct drm_mode_object *obj);
+void drm_mode_object_unreference(struct drm_mode_object *obj);
/* IOCTLs */
extern int drm_mode_getresources(struct drm_device *dev,
return clamp_val(val, 0, max);
}
+/*
+ * drm_framebuffer_reference - incr the fb refcnt
+ * @fb: framebuffer
+ *
+ * This functions increments the fb's refcount.
+ */
+static inline void drm_framebuffer_reference(struct drm_framebuffer *fb)
+{
+ drm_mode_object_reference(&fb->base);
+}
+
+/**
+ * drm_framebuffer_unreference - unref a framebuffer
+ * @fb: framebuffer to unref
+ *
+ * This functions decrements the fb's refcount and frees it if it drops to zero.
+ */
+static inline void drm_framebuffer_unreference(struct drm_framebuffer *fb)
+{
+ drm_mode_object_unreference(&fb->base);
+}
+
/**
* drm_framebuffer_read_refcount - read the framebuffer reference count.
* @fb: framebuffer
*/
static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb)
{
- return atomic_read(&fb->refcount.refcount);
+ return atomic_read(&fb->base.refcount.refcount);
}
/* Plane list iterator for legacy (overlay only) planes. */