tree 23783f34edd54c4231a6b0f747042a76459bd7dc
parent 09fa0613bd9fb1a3ce986062414a48fea32c6e28
author Leo Liu <leo.liu@amd.com> 1539698060 -0400
committer Alex Deucher <alexander.deucher@amd.com> 1561083398 -0500

drm/amdgpu: add nbio callbacks for vcn doorbell support

For Navi10 VCN2.0, the engine supports Doorbell

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>