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path: root/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index d7947311cbbd..93647ee27325 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -363,10 +363,26 @@ int pqm_create_queue(struct process_queue_manager *pqm,
if (retval != 0)
return retval;
+ /* Register process if this is the first queue */
if (list_empty(&pdd->qpd.queues_list) &&
list_empty(&pdd->qpd.priv_queue_list))
dev->dqm->ops.register_process(dev->dqm, &pdd->qpd);
+ /* Allocate proc_ctx_bo only if MES is enabled and this is the first queue */
+ if (!pdd->proc_ctx_cpu_ptr && dev->kfd->shared_resources.enable_mes) {
+ retval = amdgpu_amdkfd_alloc_gtt_mem(dev->adev,
+ AMDGPU_MES_PROC_CTX_SIZE,
+ &pdd->proc_ctx_bo,
+ &pdd->proc_ctx_gpu_addr,
+ &pdd->proc_ctx_cpu_ptr,
+ false);
+ if (retval) {
+ dev_err(dev->adev->dev, "failed to allocate process context bo\n");
+ return retval;
+ }
+ memset(pdd->proc_ctx_cpu_ptr, 0, AMDGPU_MES_PROC_CTX_SIZE);
+ }
+
pqn = kzalloc(sizeof(*pqn), GFP_KERNEL);
if (!pqn) {
retval = -ENOMEM;