[PATCH 5.10 050/130] drm/amdgpu: move iommu_resume before ip init/resume
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-12-06 15:30:47
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From: James Zhu <redacted> 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 <redacted> Reviewed-by: Felix Kuehling <Felix.Kuehling@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_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@@ -2220,6 +2220,10 @@ 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;
@@ -2913,6 +2917,10 @@ 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;
@@ -4296,6 +4304,10 @@ static int amdgpu_do_asic_reset(struct a if (!r) { 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;