drm/amdgpu: stop evicting busy PDs/PTs

Otherwise we won't be able to cleanly handle page faults.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-11-07 13:55:01 +01:00 • committed by Alex Deucher
commit 1bd4e4ca7b