diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_crtc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 6f43f9487aee..1c99ee09c9a0 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -2605,6 +2605,17 @@ static inline uint32_t drm_color_lut_extract(uint32_t user_input, return clamp_val(val, 0, max); } +/** + * drm_framebuffer_read_refcount - read the framebuffer reference count. + * @fb: framebuffer + * + * This functions returns the framebuffer's reference count. + */ +static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb) +{ + return atomic_read(&fb->refcount.refcount); +} + /* Plane list iterator for legacy (overlay only) planes. */ #define drm_for_each_legacy_plane(plane, dev) \ list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ |