drm/amdgpu/vcn3.0: add dec software ring vm functions to support

Add dec software ring vm functions to support.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2020-11-02 16:24:18 -05:00 • committed by Alex Deucher
commit 52f9535ca4