+Nick
It looks to be the old drm_plane_state->fb holds that reference. See dm_plane_helper_cleanup_fb() in amdgpu_dm.c.
Harry
On 2021-11-04 08:51, Christian König wrote:
Hi guys,
adding the usual suspects which might know that of hand: When we do a KMS page flip, who keeps the reference to the BO while it is scanned out?
We are running into warning backtraces from TTM which look more than odd.
Thanks, Christian.