From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Fri, 15 Sep 2017 16:33:38 -0400
Subject: drm/amdgpu: add cgs query info of pci bus devfn
Git-commit: 4d1f9fb721fdfa7789515167d1bd2e42cf87e12e
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 3 +++
drivers/gpu/drm/amd/include/cgs_common.h | 1 +
2 files changed, 4 insertions(+)
--- 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(
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;
}
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -100,6 +100,7 @@ enum cgs_system_info_id {
CGS_SYSTEM_INFO_GFX_SE_INFO,
CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID,
CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID,
+ CGS_SYSTEM_INFO_PCIE_BUS_DEVFN,
CGS_SYSTEM_INFO_ID_MAXIMUM,
};