From 82fddf0a8e6c3582b95c7b47f0aaf5f3507f7a00 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sat, 29 Sep 2018 22:32:42 +0800 Subject: [PATCH 0765/2940] drm/amdgpu/psp: add set_topology_info function set_topology_info is used for driver to set current topology info to xgmi ta Signed-off-by: Hawking Zhang Reviewed-by: Shaoyun Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index a6db4c1cf3f1..e79940ec8249 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -625,7 +625,29 @@ static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp, static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp, int number_devices, struct psp_xgmi_topology_info *topology) { - return 0; + struct ta_xgmi_shared_memory *xgmi_cmd; + struct ta_xgmi_cmd_get_topology_info_input *topology_info_input; + int i; + + if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES) + return -EINVAL; + + xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf; + memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory)); + + topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info; + xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO; + topology_info_input->num_nodes = number_devices; + + for (i = 0; i < topology_info_input->num_nodes; i++) { + topology_info_input->nodes[i].node_id = topology->nodes[i].node_id; + topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops; + topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled; + topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine; + } + + /* Invoke xgmi ta to set topology information */ + return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO); } static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp) -- 2.17.1