drm/amdgpu: increase gart size to 512MB

256MB is too small consider PTE/PDE shadow and TTM
eviction activity

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2018-01-23 19:17:56 +08:00 • committed by Alex Deucher
commit fe19b862f1