2 files changed, 17 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
index ac22744eaa94..ade688fd32f0 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
@@ -113,6 +113,23 @@ static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
 	return true;
 }
 
+static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
+{
+	uint8_t buf[DMUB_RB_CMD_SIZE];
+	uint32_t rptr = rb->rptr;
+	uint32_t wptr = rb->wrpt;
+
+	while (rptr != wptr) {
+		const uint8_t *data = (const uint8_t *)rb->base_address + rptr;
+
+		dmub_memcpy(buf, data, DMUB_RB_CMD_SIZE);
+
+		rptr += DMUB_RB_CMD_SIZE;
+		if (rptr >= rb->capacity)
+			rptr %= rb->capacity;
+	}
+}
+
 static inline void dmub_rb_init(struct dmub_rb *rb,
 				struct dmub_rb_init_params *init_params)
 {
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
index f34a50dd36ea..8e23a7017588 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
@@ -445,25 +445,6 @@ enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub,
 enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub);
 
 /**
- * dmub_srv_cmd_submit() - submits a command to the DMUB immediately
- * @dmub: the dmub service
- * @cmd: the command to submit
- * @timeout_us: the maximum number of microseconds to wait
- *
- * Submits a command to the DMUB with an optional timeout.
- * If timeout_us is given then the service will attempt to
- * resubmit for the given number of microseconds.
- *
- * Return:
- *   DMUB_STATUS_OK - success
- *   DMUB_STATUS_TIMEOUT - wait for submit timed out
- *   DMUB_STATUS_INVALID - unspecified error
- */
-enum dmub_status dmub_srv_cmd_submit(struct dmub_srv *dmub,
-				     const struct dmub_cmd_header *cmd,
-				     uint32_t timeout_us);
-
-/**
  * dmub_srv_wait_for_auto_load() - Waits for firmware auto load to complete
  * @dmub: the dmub service
  * @timeout_us: the maximum number of microseconds to wait