!10016 drm/exynos/vidi: fix memory leak in .get_modes()

Merge Pull Request from: @ci-robot 
 
PR sync from: liwei <liwei728@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/2EUYFSTMFLN3IZ3ACKOMMKQTU64PPJLP/ 
 
https://gitee.com/src-openeuler/kernel/issues/IACV3A 
 
Link:https://gitee.com/openeuler/kernel/pulls/10016

 

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>