| commit | cd05c865108e089c4be99c0f939c72437fba2207 | [log] [tgz] |
|---|---|---|
| author | Felix Kuehling <Felix.Kuehling@amd.com> | Fri Aug 30 00:10:34 2019 -0400 |
| committer | Alex Deucher <alexander.deucher@amd.com> | Fri Sep 13 17:49:38 2019 -0500 |
| tree | 2ef6e7d817f94b11093471f69176c5b93173bcda | |
| parent | 811bc15b49fe2dde87b9109b5eeea8ebe6420c79 [diff] |
drm/amdgpu: Disable page faults while reading user wptrs These wptrs must be pinned and GPU accessible when this is called from hqd_load functions. So they should never fault. This resolves a circular lock dependency issue involving four locks including the DQM lock and mmap_sem. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oak Zeng <Oak.Zeng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>