AMDGPU_PTE_TF 516 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c *flags |= AMDGPU_PTE_TF; AMDGPU_PTE_TF 720 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c *flags |= AMDGPU_PTE_TF;