drm/amdgpu: add cgs query info of pci bus devfn
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index e521920..383204e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -875,6 +875,9 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
case CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID:
sys_info->value = adev->pdev->subsystem_vendor;
break;
+ case CGS_SYSTEM_INFO_PCIE_BUS_DEVFN:
+ sys_info->value = adev->pdev->devfn;
+ break;
default:
return -ENODEV;
}