drm/amdgpu: correct ip for mmHDP_READ_CACHE_INVALIDATE register access

Use the proper IP index for HDP registers.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2019-05-20 17:04:05 +08:00 • committed by Alex Deucher
commit 5fb7c66508