diff --git a/drivers/mxc/amd-gpu/gsl_g12.c b/drivers/mxc/amd-gpu/gsl_g12.c
index b39b77bf121..95d84b101fa 100644
--- a/drivers/mxc/amd-gpu/gsl_g12.c
+++ b/drivers/mxc/amd-gpu/gsl_g12.c
@@ -687,6 +687,7 @@ kgsl_g12_issueibcmds(gsl_device_t* device, int drawctxt_index, gpuaddr_t ibaddr,
 
     /* sync mem */
     kgsl_sharedmem_write0((const gsl_memdesc_t *)&g_z1xx.cmdbufdesc[g_z1xx.curr], 0, g_z1xx.cmdbuf[g_z1xx.curr], (512 + 13) * sizeof(unsigned int), false);
+    mb();
 
     g_z1xx.offs = 0;
     g_z1xx.curr = nextbuf;