drm_crtc_check_viewport
EXPORT_SYMBOL(drm_crtc_check_viewport);
ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y,
int drm_crtc_check_viewport(const struct drm_crtc *crtc,
ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y,