drm/amdgpu: fix hdp register access error

mmHDP_READ_CACHE_INVALIDATE register is in HDP not in NBIO

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Stanley.Yang 2020-09-22 16:56:54 +08:00 • committed by Alex Deucher
commit 78f0aef11f