[PATCH] drm/amdkfd: Add partition id field to location_id

Lijo Lazar lijo.lazar at amd.com
Fri Feb 23 03:49:26 UTC 2024


On devices which have multi-partition nodes, keep partition id in
location_id[31:28].

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index aee2fcab241f..0da747d52975 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1997,8 +1997,9 @@ int kfd_topology_add_device(struct kfd_node *gpu)
 			HSA_CAP_ASIC_REVISION_MASK);
 
 	dev->node_props.location_id = pci_dev_id(gpu->adev->pdev);
-	if (KFD_GC_VERSION(dev->gpu->kfd) == IP_VERSION(9, 4, 3))
-		dev->node_props.location_id |= dev->gpu->node_id;
+	/* On multi-partition nodes, node id = location_id[31:28] */
+	if (gpu->kfd->num_nodes > 1)
+		dev->node_props.location_id |= (dev->gpu->node_id << 28);
 
 	dev->node_props.domain = pci_domain_nr(gpu->adev->pdev->bus);
 	dev->node_props.max_engine_clk_fcompute =
-- 
2.25.1



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