diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 0ea1b68e7bb9..c5fea144b759 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -673,7 +673,10 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso mem->bus.offset += adev->gmc.aper_base; mem->bus.is_iomem = true; - mem->bus.caching = ttm_write_combined; + if (adev->gmc.xgmi.connected_to_cpu) + mem->bus.caching = ttm_cached; + else + mem->bus.caching = ttm_write_combined; break; default: return -EINVAL; |