drm/amdgpu: add vce bypass mode for tonga.

fix issue that encode test failed on the second time when
vce dpm enabled on tonga.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-08-18 18:27:14 +08:00 • committed by Alex Deucher
commit c04399f194