drm/amdgpu: get number of shade engine by cgs interface.

the num of shade engine was needed to
measure the activity of the graphics core
and to enable di/dt feature.
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>

drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

@@ -831,6 +831,9 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
 	case CGS_SYSTEM_INFO_GFX_CU_INFO:
 		sys_info->value = adev->gfx.cu_info.number;
 		break;
+	case CGS_SYSTEM_INFO_GFX_SE_INFO:
+		sys_info->value = adev->gfx.config.max_shader_engines;
+		break;
 	default:
 		return -ENODEV;
 	}

drivers/gpu/drm/amd/include/cgs_common.h

@@ -115,6 +115,7 @@ enum cgs_system_info_id {
 	CGS_SYSTEM_INFO_CG_FLAGS,
 	CGS_SYSTEM_INFO_PG_FLAGS,
 	CGS_SYSTEM_INFO_GFX_CU_INFO,
+	CGS_SYSTEM_INFO_GFX_SE_INFO,
 	CGS_SYSTEM_INFO_ID_MAXIMUM,
 };