diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index d3b483aa81f8..10477ca52a41 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -392,23 +392,32 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) } /** + * Only init hive->reset_domain for none SRIOV configuration. For SRIOV, + * Host driver decide how to reset the GPU either through FLR or chain reset. + * Guest side will get individual notifications from the host for the FLR + * if necessary. + */ + if (!amdgpu_sriov_vf(adev)) { + /** * Avoid recreating reset domain when hive is reconstructed for the case - * of reset the devices in the XGMI hive during probe for SRIOV + * of reset the devices in the XGMI hive during probe for passthrough GPU * See https://www.spinics.net/lists/amd-gfx/msg58836.html */ - if (adev->reset_domain->type != XGMI_HIVE) { - hive->reset_domain = amdgpu_reset_create_reset_domain(XGMI_HIVE, "amdgpu-reset-hive"); - if (!hive->reset_domain) { - dev_err(adev->dev, "XGMI: failed initializing reset domain for xgmi hive\n"); - ret = -ENOMEM; - kobject_put(&hive->kobj); - kfree(hive); - hive = NULL; - goto pro_end; - } - } else { - amdgpu_reset_get_reset_domain(adev->reset_domain); - hive->reset_domain = adev->reset_domain; + if (adev->reset_domain->type != XGMI_HIVE) { + hive->reset_domain = + amdgpu_reset_create_reset_domain(XGMI_HIVE, "amdgpu-reset-hive"); + if (!hive->reset_domain) { + dev_err(adev->dev, "XGMI: failed initializing reset domain for xgmi hive\n"); + ret = -ENOMEM; + kobject_put(&hive->kobj); + kfree(hive); + hive = NULL; + goto pro_end; + } + } else { + amdgpu_reset_get_reset_domain(adev->reset_domain); + hive->reset_domain = adev->reset_domain; + } } hive->hive_id = adev->gmc.xgmi.hive_id; |