diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index f2aebbf3fbe3..47159e9a0884 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -392,12 +392,20 @@ 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 (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; @@ -406,9 +414,10 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) hive = NULL; goto pro_end; } - } else { - amdgpu_reset_get_reset_domain(adev->reset_domain); - hive->reset_domain = adev->reset_domain; + } else { + amdgpu_reset_get_reset_domain(adev->reset_domain); + hive->reset_domain = adev->reset_domain; + } } hive->hive_id = adev->gmc.xgmi.hive_id; @@ -504,6 +513,9 @@ int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_dev { int ret; + if (amdgpu_sriov_vf(adev)) + return 0; + /* Each psp need to set the latest topology */ ret = psp_xgmi_set_topology_info(&adev->psp, atomic_read(&hive->number_devices), |