syzbot has bisected this issue to:
commit 135f971181d779c96ff3725c1a350a721785cc66
Author: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon Nov 20 22:49:53 2017 +0000
drm/amdgpu: don't skip attributes when powerplay is enabled
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=120f55bd900000
start commit: fcadab74 Merge tag 'drm-fixes-2020-10-01-1' of git://anong..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=110f55bd900000
console output: https://syzkaller.appspot.com/x/log.txt?x=160f55bd900000
kernel config: https://syzkaller.appspot.com/x/.config?x=4e672827d2ffab1f
dashboard link: https://syzkaller.appspot.com/bug?extid=09d1cd2f71e6dd3bfd2c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161112eb900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124fc533900000
Reported-by: syzbot+09d1cd2f71e6dd3bfd2c@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 135f971181d7 ("drm/amdgpu: don't skip attributes when powerplay is enabled")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
