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请教一下dm368 fb驱动的问题



我看driver/video/davincifb.c 里面很多 ioctl来控制 osd 的一些设置   有没有相关文档讲述这些 ioctl 怎么使用?比如 FBIO_SET_BITMAP_CONFIG_PARAMS  FBIO_SET_BACKG_COLOR