drm/amdgpu: use leaf iterator for filling PTs

Less overhead and is the starting point for further cleanups and
improvements.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-09-03 14:34:51 +02:00 • committed by Alex Deucher
commit dfa70550f5