drm_pick_crtcs
best_score = drm_pick_crtcs(fb_helper, best_crtcs, modes, n+1, width, height);
score = my_score + drm_pick_crtcs(fb_helper, crtcs, modes, n + 1,
drm_pick_crtcs(fb_helper, crtcs, modes, 0, width, height);