Commit 9ddea8c9 authored Oct 31, 2023 by Shiwu Zhang Committed by Alex Deucher Nov 17, 2023

drm/amdgpu: add and populate the port num into xgmi topology info



The port num info is firstly introduced with 20.00.01.13 xgmi ta and
make them as part of topology info.

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 5e8a0d35

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -1473,6 +1473,11 @@ int psp_xgmi_get_topology_info(struct psp_context *psp,
		topology->nodes[i].num_links = (requires_reflection && topology->nodes[i].num_links) ?
		topology->nodes[i].num_links : node_num_links;
		}
		/* popluate the connected port num info if supported and available */
		if (ta_port_num_support && topology->nodes[i].num_links) {
		memcpy(topology->nodes[i].port_num, link_extend_info_output->nodes[i].port_num,
		sizeof(struct xgmi_connected_port_num) * TA_XGMI__MAX_PORT_NUM);
		}

		/* reflect the topology information for bi-directionality */
		if (requires_reflection && topology->nodes[i].num_hops)

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -150,6 +150,7 @@ struct psp_xgmi_node_info {
		uint8_t is_sharing_enabled;
		enum ta_xgmi_assigned_sdma_engine sdma_engine;
		uint8_t num_links;
		struct xgmi_connected_port_num port_num[TA_XGMI__MAX_PORT_NUM];
		};

		struct psp_xgmi_topology_info {