adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
/* set the gart size */
- if (amdgpu_gart_size == -1)
- adev->gmc.gart_size = 512ULL << 20;
- else
+ if (amdgpu_gart_size == -1) {
+ switch (adev->ip_versions[GC_HWIP][0]) {
+ default:
+ adev->gmc.gart_size = 512ULL << 20;
+ break;
+ case IP_VERSION(10, 3, 1): /* DCE SG support */
+ case IP_VERSION(10, 3, 3): /* DCE SG support */
+ case IP_VERSION(10, 3, 6): /* DCE SG support */
+ case IP_VERSION(10, 3, 7): /* DCE SG support */
+ adev->gmc.gart_size = 1024ULL << 20;
+ break;
+ }
+ } else {
adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
+ }
gmc_v10_0_vram_gtt_location(adev, &adev->gmc);