Revert "drm/amdkfd: avoid HMM change cause circular lock"

This reverts commit 8dd69e69f4.

This depends on an HMM fix which is not upstream yet.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2019-03-28 10:15:49 -05:00
commit 20d059278e