From: Simon Louis <[email protected]> Xgmi link status is unavailable in guest. This patch returns XGMI_LINK_NA for VFs when in SRIOV.
Signed-off-by: Simon Louis <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index aad530c46a9f..7a24fcc41638 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -44,6 +44,7 @@ #define XGMI_STATE_LS0 0x81 #define XGMI_LINK_ACTIVE 1 #define XGMI_LINK_INACTIVE 0 +#define XGMI_LINK_NA 2 static DEFINE_MUTEX(xgmi_mutex); @@ -349,6 +350,9 @@ 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 XGMI_LINK_NA; + if (adev->gmc.xgmi.num_physical_nodes <= 1) return -EINVAL; -- 2.43.0
