diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
index 3bc0cbf45bc5..e216f49283e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -944,9 +944,7 @@ static void unlock_spi_csq_mutexes(struct amdgpu_device *adev)
  *
  * @adev: Handle of device whose registers are to be read
  * @queue_idx: Index of queue in the queue-map bit-field
- * @wave_cnt: Output parameter updated with number of waves in flight
- * @vmid: Output parameter updated with VMID of queue whose wave count
- *        is being collected
+ * @queue_cnt: Stores the wave count and doorbell offset for an active queue
  * @inst: xcc's instance number on a multi-XCC setup
  */
 static void get_wave_count(struct amdgpu_device *adev, int queue_idx,