From: Ruili Ji ruiliji2@amd.com
commit 5cb0e3fb2c54eabfb3f932a1574bff1774946bc0 upstream.
amdgpu: [mmhub0] no-retry page fault (src_id:0 ring:40 vmid:8 pasid:32769, for process test_basic pid 3305 thread test_basic pid 3305) amdgpu: in page starting at address 0x00007ff990003000 from IH client 0x12 (VMC) amdgpu: VM_L2_PROTECTION_FAULT_STATUS:0x00840051 amdgpu: Faulty UTCL2 client ID: MP1 (0x0) amdgpu: MORE_FAULTS: 0x1 amdgpu: WALKER_ERROR: 0x0 amdgpu: PERMISSION_FAULTS: 0x5 amdgpu: MAPPING_ERROR: 0x0 amdgpu: RW: 0x1
When memory is allocated by kfd, no one triggers the tlb flush for MMHUB0. There is page fault from MMHUB0.
v2:fix indentation v3:change subject and fix indentation
Signed-off-by: Ruili Ji ruiliji2@amd.com Reviewed-by: Philip Yang philip.yang@amd.com Reviewed-by: Aaron Liu aaron.liu@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -768,7 +768,8 @@ int amdgpu_amdkfd_flush_gpu_tlb_pasid(st struct amdgpu_device *adev = (struct amdgpu_device *)kgd; bool all_hub = false;
- if (adev->family == AMDGPU_FAMILY_AI) + if (adev->family == AMDGPU_FAMILY_AI || + adev->family == AMDGPU_FAMILY_RV) all_hub = true;
return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub);