libdrm和modetest

 

https://www.cnblogs.com/yaongtime/p/12940386.html

https://wangchujiang.com/linux-command/c/modetest.html

https://cloud.tencent.com/developer/article/1855136

https://markyzq.gitbooks.io/rockchip_drm_integration_helper/content/zh/drm_modetest.html