From 9cec53c18a3170c7e5673c414da56aeecee94832 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Tue, 7 Sep 2021 11:32:22 -0400
Subject: drm/amdgpu: move iommu_resume before ip init/resume
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@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'drivers/gpu/drm/amd')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index aefa96bcbbab..620c7b773b15 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2394,6 +2394,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
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;
@@ -3148,6 +3152,10 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev)
{
int r;
+ r = amdgpu_amdkfd_resume_iommu(adev);
+ if (r)
+ return r;
+
r = amdgpu_device_ip_resume_phase1(adev);
if (r)
return r;
@@ -4603,6 +4611,10 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle,
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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