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Date: Mon, 20 Sep 2021 18:42:36 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, James Zhu <James.Zhu@....com>, Felix Kuehling <Felix.Kuehling@....com>, Alex Deucher <alexander.deucher@....com> Subject: [PATCH 5.14 018/168] drm/amdgpu: move iommu_resume before ip init/resume From: James Zhu <James.Zhu@....com> commit f02abeb0779700c308e661a412451b38962b8a0b upstream. Separate iommu_resume from kfd_resume, and move it before other amdgpu ip init/resume. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211277 Signed-off-by: James Zhu <James.Zhu@....com> Reviewed-by: Felix Kuehling <Felix.Kuehling@....com> Signed-off-by: Alex Deucher <alexander.deucher@....com> Cc: stable@...r.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2342,6 +2342,10 @@ static int amdgpu_device_ip_init(struct if (r) goto init_failed; + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + goto init_failed; + r = amdgpu_device_ip_hw_init_phase1(adev); if (r) goto init_failed; @@ -3096,6 +3100,10 @@ static int amdgpu_device_ip_resume(struc { int r; + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + return r; + r = amdgpu_device_ip_resume_phase1(adev); if (r) return r; @@ -4534,6 +4542,10 @@ int amdgpu_do_asic_reset(struct list_hea dev_warn(tmp_adev->dev, "asic atom init failed!"); } else { dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); + r = amdgpu_amdkfd_resume_iommu(tmp_adev); + if (r) + goto out; + r = amdgpu_device_ip_resume_phase1(tmp_adev); if (r) goto out;
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