X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fvideo%2Frockchip%2Frga%2Frga_drv.c;h=fe356cf5042edcaefdd5bb103190a801f10323e0;hb=a26084749b4fa2ea42705e5c3ed398b445e9c3ce;hp=d897c8795619c72816e1115f7a934c8393977b66;hpb=1f99b9f4f8a8b4c022fb9f48389a051b1910e7af;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/video/rockchip/rga/rga_drv.c b/drivers/video/rockchip/rga/rga_drv.c
index d897c8795619..fe356cf5042e 100755
--- a/drivers/video/rockchip/rga/rga_drv.c
+++ b/drivers/video/rockchip/rga/rga_drv.c
@@ -733,10 +733,13 @@ static void rga_del_running_list_timeout(void)
     while(!list_empty(&rga_service.running))
     {
         reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
-
-        if(reg->MMU_base != NULL)
+        
+        if(reg->MMU_len != 0)
         {
-            kfree(reg->MMU_base);
+            if (rga_mmu_buf.back + reg->MMU_len > 2*rga_mmu_buf.size)
+                rga_mmu_buf.back = reg->MMU_len + rga_mmu_buf.size;
+            else
+                rga_mmu_buf.back += reg->MMU_len;
         }
 
         atomic_sub(1, &reg->session->task_running);