drm/amdgpu/gfx10: add special unmap_queues packet for preemption

CP introduced a special unmap_queues packet for gfx preemtion.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2 files changed