diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index b2b16a812e73..5a318376203c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -2048,7 +2048,7 @@ int amdkfd_fence_wait_timeout(struct device_queue_manager *dqm, { unsigned long end_jiffies = msecs_to_jiffies(timeout_ms) + jiffies; struct device *dev = dqm->dev->adev->dev; - uint64_t *fence_addr = dqm->fence_addr; + volatile uint64_t *fence_addr = dqm->fence_addr; while (*fence_addr != fence_value) { /* Fatal err detected, this response won't come */ @@ -2254,6 +2254,7 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, goto out; *dqm->fence_addr = KFD_FENCE_INIT; + mb(); pm_send_query_status(&dqm->packet_mgr, dqm->fence_gpu_addr, KFD_FENCE_COMPLETED); /* should be timed out */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h index 09ab36f8e8c6..bddb169bb301 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -260,7 +260,7 @@ struct device_queue_manager { uint16_t vmid_pasid[VMID_NUM]; uint64_t pipelines_addr; uint64_t fence_gpu_addr; - uint64_t *fence_addr; + volatile uint64_t *fence_addr; struct kfd_mem_obj *fence_mem; bool active_runlist; int sched_policy; |