drm/amdgpu/gfx11: add a mutex for the gfx semaphore

This will be used in more places in the future so
add a mutex.

Acked-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-07-12 16:37:33 -04:00
commit 76acba7b7f
3 changed files with 10 additions and 3 deletions