diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 47b551970a14aed723b24f7d2662293fa8914dff..094631f61339132d9f7b16477d4976b6913e67d9 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -144,10 +144,18 @@ struct kgd2kfd_calls {
  * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp
  * sceduling mode.
  *
+ * @hqd_sdma_load: Loads the SDMA mqd structure to a H/W SDMA hqd slot.
+ * used only for no HWS mode.
+ *
  * @hqd_is_occupies: Checks if a hqd slot is occupied.
  *
  * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
  *
+ * @hqd_sdma_is_occupied: Checks if an SDMA hqd slot is occupied.
+ *
+ * @hqd_sdma_destroy: Destructs and preempts the SDMA queue assigned to that
+ * SDMA hqd slot.
+ *
  * @get_fw_version: Returns FW versions from the header
  *
  * This structure contains function pointers to services that the kgd driver
@@ -183,18 +191,26 @@ struct kfd2kgd_calls {
 	int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
 			uint32_t queue_id, uint32_t __user *wptr);
 
+	int (*hqd_sdma_load)(struct kgd_dev *kgd, void *mqd);
+
 	bool (*hqd_is_occupies)(struct kgd_dev *kgd, uint64_t queue_address,
 				uint32_t pipe_id, uint32_t queue_id);
 
 	int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,
 				unsigned int timeout, uint32_t pipe_id,
 				uint32_t queue_id);
+
+	bool (*hqd_sdma_is_occupied)(struct kgd_dev *kgd, void *mqd);
+
+	int (*hqd_sdma_destroy)(struct kgd_dev *kgd, void *mqd,
+				unsigned int timeout);
+
 	uint16_t (*get_fw_version)(struct kgd_dev *kgd,
 				enum kgd_engine_type type);
 };
 
 bool kgd2kfd_init(unsigned interface_version,
-		  const struct kfd2kgd_calls *f2g,
-		  const struct kgd2kfd_calls **g2f);
+		const struct kfd2kgd_calls *f2g,
+		const struct kgd2kfd_calls **g2f);
 
-#endif /* KGD_KFD_INTERFACE_H_INCLUDED */
+#endif	/* KGD_KFD_INTERFACE_H_INCLUDED */