DRM_MODE_PAGE_FLIP_ASYNC
work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
crtc_state->async_flip = flags & DRM_MODE_PAGE_FLIP_ASYNC;
if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) {
if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC)
if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip)
!(page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC);
DRM_MODE_PAGE_FLIP_ASYNC | \
DRM_MODE_PAGE_FLIP_ASYNC |\
work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;