Merge tag 'for-linus-5.15b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel...

[J-linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_device.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 41c6b3aacd37921ab5c392ee84240561fb2624bb..af9bdf16eefd48761fdd9e1ce24627d0c3e083e4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2432,6 +2432,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
        if (!adev->gmc.xgmi.pending_reset)
                amdgpu_amdkfd_device_init(adev);
 
+       r = amdgpu_amdkfd_resume_iommu(adev);
+       if (r)
+               goto init_failed;
+
        amdgpu_fru_get_product_info(adev);
 
 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;
@@ -5387,6 +5399,8 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta
                return PCI_ERS_RESULT_DISCONNECT;
        }
 
+       adev->pci_channel_state = state;
+
        switch (state) {
        case pci_channel_io_normal:
                return PCI_ERS_RESULT_CAN_RECOVER;
@@ -5529,6 +5543,10 @@ void amdgpu_pci_resume(struct pci_dev *pdev)
 
        DRM_INFO("PCI error: resume callback!!\n");
 
+       /* Only continue execution for the case of pci_channel_io_frozen */
+       if (adev->pci_channel_state != pci_channel_io_frozen)
+               return;
+
        for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
                struct amdgpu_ring *ring = adev->rings[i];