gpu: galcore: Clear errors before checking for events

Make sure we clear away any error status interrupts before
checking if there are actual events to process.  Before we would
miss this optimization if we had an error status but no event
interrupts.

Signed-off-by: Jon Nettleton <[email protected]>

Author: jnettlet

drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel_event.c

@@ -2334,16 +2334,6 @@ gckEVENT_Notify(
 
         gckOS_AtomGet(Event->os, Event->pending, (gctINT32_PTR)&pending);
 
-        if (pending == 0)
-        {
-            /* Release the mutex queue. */
-            gcmkONERROR(gckOS_ReleaseMutex(Event->os, Event->eventQueueMutex));
-            acquired = gcvFALSE;
-
-            /* No more pending interrupts - done. */
-            break;
-        }
-
         if (pending & 0x80000000)
         {
             gcmkPRINT("AXI BUS ERROR");
@@ -2370,6 +2360,12 @@ gckEVENT_Notify(
             pending &= 0xBFFFFFFF;
         }
 
+        if (pending == 0)
+        {
+            /* No more pending interrupts - done. */
+            break;
+        }
+
         gcmkTRACE_ZONE_N(
             gcvLEVEL_INFO, gcvZONE_EVENT,
             gcmSIZEOF(pending),