!2273 [sync] PR-2156: drm: add inspur drm driver support

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/2156 
 
PR sync from: Hongchen Zhang <zhanghongchen@loongson.cn>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/T4FQ3QH5G42OKUEWIPTF7UXF47JHY272/ 
 
https://gitee.com/openeuler/kernel/issues/I80YFC 
 
Link:https://gitee.com/openeuler/kernel/pulls/2273

 

Reviewed-by: Li Xuefeng <lixuefeng@loongson.cn>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>