drm/amdgpu: add a benchmark mutex

To avoid multiple runs in parallel to avoid mixing results.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-02-18 17:12:11 -05:00
commit f113cc32e3
3 changed files with 17 additions and 9 deletions