diff options
| author | Simon Louis <simon.louis@amd.com> | 2026-02-03 15:42:00 +0000 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-02-23 14:39:13 -0500 |
| commit | 413dd2fc603b18566e0d8cd6e79acf1ae292808a (patch) | |
| tree | 490e85fe676bd2d38a0aa98ec54658e97f92d310 | |
| parent | b02ed0910623782877a29b8245cf6cdce4e7fee7 (diff) | |
drm/amdgpu: Add xgmi link status for VFs
Xgmi link status is unavailable in guest. This patch returns
AMDGPU_XGMI_LINK_NA for VFs.
Signed-off-by: Simon Louis <simon.louis@amd.com>
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_pp_interface.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 11e56df1d91b..1f7d4220296e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -347,6 +347,9 @@ int amdgpu_get_xgmi_link_status(struct amdgpu_device *adev, int global_link_num) { u32 xgmi_state_reg_val; + if (amdgpu_sriov_vf(adev)) + return AMDGPU_XGMI_LINK_NA; + if (adev->gmc.xgmi.num_physical_nodes <= 1) return -EINVAL; diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 6683ffd6aa68..bdf8e6ff556c 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -1832,6 +1832,8 @@ struct amdgpu_partition_metrics_v1_1 { enum amdgpu_xgmi_link_status { AMDGPU_XGMI_LINK_INACTIVE = 0, AMDGPU_XGMI_LINK_ACTIVE = 1, + /* Status not available */ + AMDGPU_XGMI_LINK_NA = 2, }; #endif |