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path: root/drivers/gpu/drm/amd/amdkfd/kfd_device.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index c2d2598f776c..fad1c8f2bc83 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -1446,6 +1446,45 @@ void kgd2kfd_unlock_kfd(void)
mutex_unlock(&kfd_processes_mutex);
}
+int kgd2kfd_start_sched(struct kfd_dev *kfd, uint32_t node_id)
+{
+ struct kfd_node *node;
+ int ret;
+
+ if (!kfd->init_complete)
+ return 0;
+
+ if (node_id >= kfd->num_nodes) {
+ dev_warn(kfd->adev->dev, "Invalid node ID: %u exceeds %u\n",
+ node_id, kfd->num_nodes - 1);
+ return -EINVAL;
+ }
+ node = kfd->nodes[node_id];
+
+ ret = node->dqm->ops.unhalt(node->dqm);
+ if (ret)
+ dev_err(kfd_device, "Error in starting scheduler\n");
+
+ return ret;
+}
+
+int kgd2kfd_stop_sched(struct kfd_dev *kfd, uint32_t node_id)
+{
+ struct kfd_node *node;
+
+ if (!kfd->init_complete)
+ return 0;
+
+ if (node_id >= kfd->num_nodes) {
+ dev_warn(kfd->adev->dev, "Invalid node ID: %u exceeds %u\n",
+ node_id, kfd->num_nodes - 1);
+ return -EINVAL;
+ }
+
+ node = kfd->nodes[node_id];
+ return node->dqm->ops.halt(node->dqm);
+}
+
#if defined(CONFIG_DEBUG_FS)
/* This function will send a package to HIQ to hang the HWS