drm/amdkfd: Differentiate b/t sdma_id and sdma_queue_id

sdma_queue_id is sdma queue index inside one sdma engine.
sdma_id is sdma queue index among all sdma engines. Use
those two names properly.
Signed-off-by: Oak Zeng <ozeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

@@ -922,7 +922,7 @@ static int stop_nocpsch(struct device_queue_manager *dqm)
 }
 
 static int allocate_sdma_queue(struct device_queue_manager *dqm,
-				unsigned int *sdma_queue_id)
+				unsigned int *sdma_id)
 {
 	int bit;
 
@@ -931,17 +931,17 @@ static int allocate_sdma_queue(struct device_queue_manager *dqm,
 
 	bit = __ffs64(dqm->sdma_bitmap);
 	dqm->sdma_bitmap &= ~(1ULL << bit);
-	*sdma_queue_id = bit;
+	*sdma_id = bit;
 
 	return 0;
 }
 
 static void deallocate_sdma_queue(struct device_queue_manager *dqm,
-				unsigned int sdma_queue_id)
+				unsigned int sdma_id)
 {
-	if (sdma_queue_id >= get_num_sdma_queues(dqm))
+	if (sdma_id >= get_num_sdma_queues(dqm))
 		return;
-	dqm->sdma_bitmap |= (1ULL << sdma_queue_id);
+	dqm->sdma_bitmap |= (1ULL << sdma_id);
 }
 
 static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,