From: Yifan Zhang <yifan1.zhang@xxxxxxx> When IOMMU disabled in sbios and kfd in iommuv2 path, iommuv2 init will fail. But this failure should not block amdgpu driver init. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214859 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1770 Reported-by: youling <youling257@xxxxxxxxx> Tested-by: youling <youling257@xxxxxxxxx> Signed-off-by: Yifan Zhang <yifan1.zhang@xxxxxxx> Reviewed-by: James Zhu <James.Zhu@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> (cherry picked from commit afd18180c07026f94a80ff024acef5f4159084a4) Cc: stable@xxxxxxxxxxxxxxx # 5.14.x --- 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(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index cd8cc7d31b49..b0824d2f0e0b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2380,10 +2380,6 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) 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: diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 5ba8a4f35344..ef64fb8f1bbf 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -875,6 +875,9 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, 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; -- 2.31.1
