CPU pagetable updates have issues with HDP flush as VF MMIO access protection is not allowing write during sriov runtime to mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL Signed-off-by: Danijel Slivka <danijel.slivka@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 83b0c5d86e48..32088ac0666c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2338,7 +2338,9 @@ void amdgpu_vm_manager_init(struct amdgpu_device *adev) */ #ifdef CONFIG_X86_64 if (amdgpu_vm_update_mode == -1) { - if (amdgpu_gmc_vram_full_visible(&adev->gmc)) + if (amdgpu_gmc_vram_full_visible(&adev->gmc) && + !(adev->asic_type == CHIP_SIENNA_CICHLID && + amdgpu_sriov_vf(adev))) adev->vm_manager.vm_update_mode = AMDGPU_VM_USE_CPU_FOR_COMPUTE; else -- 2.25.1