0bd9f35563
This reverts commit d00ec779ce.
Fixes for HMM change corner cases are merged in from drm-next.
Tests are passed on gfx900 with the latest amd-kfd-staging.
Change-Id: I6c00d1eacf6b3f1ce715e085ae622b4e9ff1b7ff
Signed-off-by: Philip Yang <Philip.Yang@amd.com>