drm/amdgpu:use formal register to trigger hdp invalidate

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-07-04 15:43:38 +08:00 • committed by Alex Deucher
commit 6e2e216fad
4 changed files with 4 additions and 4 deletions