ENGR00302036-3 gpu:gpu2d may cause bus hang in some corner case

Vivante patch name:
cl17466.17776.rls.lockup.2dhang(clear.blit)

-Updated the outstanding request limit to 12.
-Refined the 2D chip feature check.
-Refine the 2D cache flush operation
(avoid FE and PE access memory through the same port).
-Enable cache flush for filterblt.
-Dynamic enabling SPLIT_RECT by checking chip feature(disable for us)
-Use brush stretch blt for clear operation.

Date: Mar 26, 2014

Signed-off-by: Loren Huang <b02279@freescale.com>
Acked-by: Shawn Guo

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h b/drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h
index ea86349dcf97..8397f89cb078 100644
--- a/drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h
+++ b/drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h
@@ -257,6 +257,9 @@ typedef struct _gcsHAL_QUERY_CHIP_IDENTITY
 
     /* Supertile layout style in hardware */
     gctUINT32                   superTileMode;
+
+    /* Special control bits for 2D chip. */
+    gctUINT32                   chip2DControl;
 }
 gcsHAL_QUERY_CHIP_IDENTITY;