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path: root/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h8
1 files changed, 7 insertions, 1 deletions
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 49d8e324c636..16262e5d93f5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -251,5 +251,11 @@ static inline void dqm_unlock(struct device_queue_manager *dqm)
mutex_unlock(&dqm->lock_hidden);
}
-int read_sdma_queue_counter(uint64_t q_rptr, uint64_t *val);
+static inline int read_sdma_queue_counter(uint64_t __user *q_rptr, uint64_t *val)
+{
+ /*
+ * SDMA activity counter is stored at queue's RPTR + 0x8 location.
+ */
+ return get_user(*val, q_rptr + 1);
+}
#endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */