diff options
Diffstat (limited to 'include/drm/drm_framebuffer.h')
| -rw-r--r-- | include/drm/drm_framebuffer.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index b3141a0e609b..1ddfa2928802 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -251,6 +251,24 @@ static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb) } /** + * drm_framebuffer_assign - store a reference to the fb + * @p: location to store framebuffer + * @fb: new framebuffer (maybe NULL) + * + * This functions sets the location to store a reference to the framebuffer, + * unreferencing the framebuffer that was previously stored in that location. + */ +static inline void drm_framebuffer_assign(struct drm_framebuffer **p, + struct drm_framebuffer *fb) +{ + if (fb) + drm_framebuffer_reference(fb); + if (*p) + drm_framebuffer_unreference(*p); + *p = fb; +} + +/* * drm_for_each_fb - iterate over all framebuffers * @fb: the loop cursor * @dev: the DRM device |
