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>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 41c6b3aacd37921ab5c392ee84240561fb2624bb..ab3794c42d363d8dde5dd4ea0e60b5d1135ffe56 100644 (file)
--- 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;
@@ -4601,6 +4609,10 @@ 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;