drm/amdgpu: Allow TTM to evict svm bo from same process

To support SVM range VRAM overcommitment, TTM should be able to evict
svm bo of same process to system memory, to get space to alloc new svm
bo.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang 2022-07-22 15:07:00 -04:00 • committed by Alex Deucher
commit 79b2c54f19