The fragment size controls only the L1 on Vega/Raven and we now don't have any extra overhead any more because of larger fragments. Signed-off-by: Christian König <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5b8c931a5d37..433849d267f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1533,7 +1533,12 @@ static void amdgpu_vm_fragment(struct amdgpu_pte_update_params *params, * Userspace can support this by aligning virtual base address and * allocation size to the fragment size. */ - unsigned max_frag = params->adev->vm_manager.fragment_size; + unsigned max_frag; + + if (params->adev->asic_type < CHIP_VEGA10) + max_frag = params->adev->vm_manager.fragment_size; + else + max_frag = 31; /* system pages are non continuously */ if (params->src || !(flags & AMDGPU_PTE_VALID)) { -- 2.14.1