drm/amdgpu/gmc12.1: implement tlb inv semaphore

Needed to properly lock the interface before using it.

Cc: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-07-30 12:00:06 -04:00
commit 8e37aa0bd5