diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 9c9cca129498..565a1fa436d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -239,8 +239,13 @@ static int amdgpu_xcp_dev_alloc(struct amdgpu_device *adev) for (i = 1; i < MAX_XCP; i++) { ret = amdgpu_xcp_drm_dev_alloc(&p_ddev); - if (ret) + if (ret == -ENOSPC) { + dev_warn(adev->dev, + "Skip xcp node #%d when out of drm node resource.", i); + return 0; + } else if (ret) { return ret; + } /* Redirect all IOCTLs to the primary device */ adev->xcp_mgr->xcp[i].rdev = p_ddev->render->dev; @@ -328,6 +333,9 @@ int amdgpu_xcp_dev_register(struct amdgpu_device *adev, return 0; for (i = 1; i < MAX_XCP; i++) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + ret = drm_dev_register(adev->xcp_mgr->xcp[i].ddev, ent->driver_data); if (ret) return ret; @@ -345,6 +353,9 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev) return; for (i = 1; i < MAX_XCP; i++) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + p_ddev = adev->xcp_mgr->xcp[i].ddev; drm_dev_unplug(p_ddev); p_ddev->render->dev = adev->xcp_mgr->xcp[i].rdev; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 61fc62f3e003..4a17bb7c7b27 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1965,7 +1965,14 @@ int kfd_topology_add_device(struct kfd_node *gpu) const char *asic_name = amdgpu_asic_name[gpu->adev->asic_type]; gpu_id = kfd_generate_gpu_id(gpu); - pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); + if (gpu->xcp && !gpu->xcp->ddev) { + dev_warn(gpu->adev->dev, + "Won't add GPU (ID: 0x%x) to topology since it has no drm node assigned.", + gpu_id); + return 0; + } else { + pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); + } /* Check to see if this gpu device exists in the topology_device_list. * If so, assign the gpu to that device,