From: Yifan Zhang yifan1.zhang@amd.com
commit afd18180c07026f94a80ff024acef5f4159084a4 upstream.
When IOMMU disabled in sbios and kfd in iommuv2 path, iommuv2 init will fail. But this failure should not block amdgpu driver init.
Reported-by: youling youling257@gmail.com Tested-by: youling youling257@gmail.com Signed-off-by: Yifan Zhang yifan1.zhang@amd.com Reviewed-by: James Zhu James.Zhu@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ---- drivers/gpu/drm/amd/amdkfd/kfd_device.c | 3 +++ 2 files changed, 3 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2432,10 +2432,6 @@ static int amdgpu_device_ip_init(struct if (!adev->gmc.xgmi.pending_reset) amdgpu_amdkfd_device_init(adev);
- r = amdgpu_amdkfd_resume_iommu(adev); - if (r) - goto init_failed; - amdgpu_fru_get_product_info(adev);
init_failed: --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -924,6 +924,9 @@ bool kgd2kfd_device_init(struct kfd_dev
svm_migrate_init((struct amdgpu_device *)kfd->kgd);
+ if(kgd2kfd_resume_iommu(kfd)) + goto device_iommu_error; + if (kfd_resume(kfd)) goto kfd_resume_error;