diff options
Diffstat (limited to 'include/uapi/drm/drm_mode.h')
| -rw-r--r-- | include/uapi/drm/drm_mode.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index c082810c08a8..a122bea25593 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -962,6 +962,14 @@ struct hdr_output_metadata { * Request that the kernel sends back a vblank event (see * struct drm_event_vblank) with the &DRM_EVENT_FLIP_COMPLETE type when the * page-flip is done. + * + * When used with atomic uAPI, one event will be delivered per CRTC included in + * the atomic commit. A CRTC is included in an atomic commit if one of its + * properties is set, or if a property is set on a connector or plane linked + * via the CRTC_ID property to the CRTC. At least one CRTC must be included, + * and all pulled in CRTCs must be either previously or newly powered on (in + * other words, a powered off CRTC which stays off cannot be included in the + * atomic commit). */ #define DRM_MODE_PAGE_FLIP_EVENT 0x01 /** |