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drm/amdkfd: fix boot failure when iommu is disabled in Picasso.

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commit afd18180c0 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>
This commit is contained in:
Yifan Zhang 2021-10-11 20:37:01 +08:00 • committed by Greg Kroah-Hartman
commit f3d9114ac9
2 changed files with 3 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -2255,10 +2255,6 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
amdgpu_xgmi_add_device(adev);
amdgpu_amdkfd_device_init(adev);
r = amdgpu_amdkfd_resume_iommu(adev);
if (r)
goto init_failed;
amdgpu_fru_get_product_info(adev);
init_failed:

3
drivers/gpu/drm/amd/amdkfd/kfd_device.c
View file

@ -751,6 +751,9 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
kfd_cwsr_init(kfd);
if(kgd2kfd_resume_iommu(kfd))
goto device_iommu_error;
if (kfd_resume(kfd))
goto kfd_resume_error;