ENGR00277045-1 fix system reboot with video playback

gpu virtual memory cannot be allocated for external use

this issue occurs in ARD board with 2G above memory address

Signed-off-by: Xianzhong <b07117@freescale.com>
Acked-by: Jason Liu

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel.c b/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel.c
index b7b0d282940f..299162cef050 100644
--- a/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel.c
+++ b/drivers/mxc/gpu-viv/hal/kernel/gc_hal_kernel.c
@@ -738,6 +738,43 @@ _AllocateMemory_Retry:
             if (gcmIS_SUCCESS(status) || forceContiguous == gcvTRUE)
             {
                 /* Memory allocated. */
+                if(node && forceContiguous == gcvTRUE)
+                {
+                    gctUINT32 physAddr=0;
+                    gctUINT32 baseAddress = 0;
+
+                    gckOS_LockPages(Kernel->os,
+                                    node->Virtual.physical,
+                                    node->Virtual.bytes,
+                                    gcvFALSE,
+                                    &node->Virtual.logical,
+                                    &node->Virtual.pageCount);
+
+                    /* Convert logical address into a physical address. */
+                    gckOS_GetPhysicalAddress(Kernel->os, node->Virtual.logical, &physAddr);
+
+                    gckOS_UnlockPages(Kernel->os,
+                                      node->Virtual.physical,
+                                      node->Virtual.bytes,
+                                      node->Virtual.logical);
+
+                    gckOS_GetBaseAddress(Kernel->os, &baseAddress);
+
+                    gcmkASSERT(physAddr >= baseAddress);
+
+                    /* Subtract baseAddress to get a GPU address used for programming. */
+                    physAddr -= baseAddress;
+
+                    if((physAddr & 0x80000000) || ((physAddr + Bytes) & 0x80000000))
+                    {
+                        gckOS_Print("gpu virtual memory 0x%x cannot be allocated for external use !\n", physAddr);
+
+                        gckVIDMEM_Free(node);
+
+                        node = gcvNULL;
+                    }
+                }
+
                 break;
             }
         }