diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_crtc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index f32c5cd51f41..4f2e3e82f014 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -929,6 +929,19 @@ extern int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, const struct drm_crtc_funcs *funcs); extern void drm_crtc_cleanup(struct drm_crtc *crtc); +extern unsigned int drm_crtc_index(struct drm_crtc *crtc); + +/** + * drm_crtc_mask - find the mask of a registered CRTC + * @crtc: CRTC to find mask for + * + * Given a registered CRTC, return the mask bit of that CRTC for an + * encoder's possible_crtcs field. + */ +static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) +{ + return 1 << drm_crtc_index(crtc); +} extern void drm_connector_ida_init(void); extern void drm_connector_ida_destroy(void); |