[syzbot] [dri?] KMSAN: uninit-value in drm_mode_setcrtc

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+4fad2e57beb6397ab2fc at syzkaller.appspotmail.com

Tested on:

commit:         d1d7f15c DO-NOT-SUBMIT: kmsan: add the kmsan_exceed_ma..
git tree:       https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=101d3fdaa80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=36e4a2f8150fbc62
dashboard link: https://syzkaller.appspot.com/bug?extid=4fad2e57beb6397ab2fc
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15430342a80000

Note: testing is done by a robot and is best-effort only.