BOs not mapped into the GART are always valuable for an eviction. Otherwise we
don't correctly swap them out on VRAM evictions during memory pressure.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>