Merge tag 'amd-drm-fixes-5.19-2022-07-20' of https://gitlab.freedesktop.org/agd5f...

amd-drm-fixes-5.19-2022-07-20:

amdgpu:
- Drop redundant buffer cleanup that can lead to a segfault
- Add a bo_list mutex to avoid possible list corruption in CS

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220720210917.6202-1-alexander.deucher@amd.com