R600 definition error for interrupt handler swap

[Cédric Cano]

Hello,

We're trying to use R600 DRM driver with big endian architecture. We 
find the following error in R600 definition of interrupt handler swap.

Perhaps there's the same error in the evergreen definitions header file.

Cedric

Signed-off-by: Cédric Cano <ccano at interfaceconcept.com>
Signed-off-by: Thomas Jourdan <tjourdan at interfaceconcept.com>
---
diff -Naur linux-3.2.2/drivers/gpu/drm/radeon/r600d.h 
linux-3.2.2/drivers/gpu/drm/radeon/r600d.h
--- linux-3.2.2/drivers/gpu/drm/radeon/r600d.h    2012-01-26 
01:39:32.000000000 +0100
+++ linux-3.2.2/drivers/gpu/drm/radeon/r600d.h    2012-02-01 
10:25:04.000000000 +0100
@@ -552,7 +552,7 @@
  #define IH_RB_WPTR_ADDR_LO                                0x3e14
  #define IH_CNTL                                           0x3e18
  #       define ENABLE_INTR                                (1 << 0)
-#       define IH_MC_SWAP(x)                              ((x) << 1)
+#       define IH_MC_SWAP(x)                              ((x) << 2)
  #       define IH_MC_SWAP_NONE                            0
  #       define IH_MC_SWAP_16BIT                           1
  #       define IH_MC_SWAP_32BIT                           2
--