drm/amdgpu/VCN2.0: add direct SRAM read and write

This will be the basic and used for DPG mode

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2019-05-24 12:19:00 -04:00 • committed by Alex Deucher
commit 19c663fc77