drm_driver_legacy_fb_format
EXPORT_SYMBOL(drm_driver_legacy_fb_format);
r.pixel_format = drm_driver_legacy_fb_format(dev, or->bpp, or->depth);
mode_cmd.pixel_format = drm_driver_legacy_fb_format(dev, sizes->surface_bpp,
uint32_t drm_driver_legacy_fb_format(struct drm_device *dev,