+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.
