drm/amdgpu: also reroute VMC and UMD to IH ring 1 on Vega 20

Same patch we alredy did for Vega10. Just re-route page faults to a separate
ring to avoid drowning in interrupts.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed