drm/amdgpu: clean up the userq support redundant check

If the userq doesn't support in a system. then there's no
valid userq_doorbell_xa entry to walk over and then has a
no-op.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2026-07-15 14:20:36 +08:00 • committed by Alex Deucher
commit 815b6f31f4