drm/amdgpu/gfx9: clear the compute ring on reset

To be consistent with gfx8.

Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-04-17 16:32:12 -04:00
commit b98724db7f