AMDGPU_GMC_XNACK_FLAG_CHAIN
adev->gmc.xnack_flags |= AMDGPU_GMC_XNACK_FLAG_CHAIN;
if (!(adev->gmc.xnack_flags & AMDGPU_GMC_XNACK_FLAG_CHAIN))
adev->gmc.xnack_flags |= AMDGPU_GMC_XNACK_FLAG_CHAIN;
adev->gmc.xnack_flags |= AMDGPU_GMC_XNACK_FLAG_CHAIN;
if (xnack_conflict && (node->adev->gmc.xnack_flags & AMDGPU_GMC_XNACK_FLAG_CHAIN))
if (pm->dqm->dev->adev->gmc.xnack_flags & AMDGPU_GMC_XNACK_FLAG_CHAIN)