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authorAlex Sierra <alex.sierra@amd.com>2023-06-15 10:37:21 -0500
committerAlex Deucher <alexander.deucher@amd.com>2023-06-23 15:35:34 -0400
commit03d400e7605e3d36abd3f949b25ba806cccff0cb (patch)
tree2d40d7f0b0e28c50470fd059f74af375e2a380eb
parent184d83848242b2465b466a0a8e6eb58f1df10407 (diff)
drm/amdkfd: set coherent host access capability flag
This flag determines whether the host possesses coherent access to the memory of the device. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 90b86a6ac7bd..61fc62f3e003 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -2107,6 +2107,10 @@ int kfd_topology_add_device(struct kfd_node *gpu)
if (KFD_IS_SVM_API_SUPPORTED(dev->gpu->adev))
dev->node_props.capability |= HSA_CAP_SVMAPI_SUPPORTED;
+ if (dev->gpu->adev->gmc.is_app_apu ||
+ dev->gpu->adev->gmc.xgmi.connected_to_cpu)
+ dev->node_props.capability |= HSA_CAP_FLAGS_COHERENTHOSTACCESS;
+
kfd_debug_print_topology();
kfd_notify_gpu_change(gpu_id, 1);