From: Xianzhong <b07117@freescale.com>
Date: Tue, 25 Nov 2014 17:34:42 +0000 (+0800)
Subject: MGS-324 [#1472] dump GPU AQAXIStatus register for AXI BUS ERROR
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84ed784575c27ae5d0f5d6f81f8c3545c0619400;p=karo-tx-linux.git

MGS-324 [#1472] dump GPU AQAXIStatus register for AXI BUS ERROR

AQAXiStatus register info is helpful to debug AXI BUS ERROR,
need dump this GPU register when AXI BUS ERROR happen.

Date: Dec 03, 2014
Signed-off-by: Xianzhong <b07117@freescale.com>
Acked-by: Jason Liu
---

diff --git a/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel_event.c b/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel_event.c
index 1c6300787fad..f160ae9c7e72 100644
--- a/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel_event.c
+++ b/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel_event.c
@@ -2448,7 +2448,10 @@ gckEVENT_Notify(
 
         if (pending & 0x80000000)
         {
-            gcmkPRINT("AXI BUS ERROR");
+            gctUINT32 AQAxiStatus = 0;
+            gckOS_ReadRegisterEx(Event->os, Event->kernel->hardware->core, 0xC, &AQAxiStatus);
+
+            gcmkPRINT("GPU[%d]: AXI BUS ERROR, AQAxiStatus=0x%x\n", Event->kernel->hardware->core, AQAxiStatus);
             pending &= 0x7FFFFFFF;
         }