drm/amdgpu: add support for getting sub_device id and

sub_vendor_id in cgs interface.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index bc0440f7a31d..040993c998d4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -848,6 +848,12 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
         case CGS_SYSTEM_INFO_GFX_SE_INFO:
                 sys_info->value = adev->gfx.config.max_shader_engines;
                 break;
+        case CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID:
+                sys_info->value = adev->pdev->subsystem_device;
+                break;
+        case CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID:
+                sys_info->value = adev->pdev->subsystem_vendor;
+                break;
         default:
                 return -ENODEV;
         }
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index b86aba9d019f..6aa8938fd826 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -119,6 +119,8 @@ enum cgs_system_info_id {
         CGS_SYSTEM_INFO_PG_FLAGS,
         CGS_SYSTEM_INFO_GFX_CU_INFO,
         CGS_SYSTEM_INFO_GFX_SE_INFO,
+        CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID,
+        CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID,
         CGS_SYSTEM_INFO_ID_MAXIMUM,
 };