1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0e5341695922..6948eb88c2b7 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2687,6 +2687,9 @@ void r600_uvd_rbc_stop(struct radeon_device *rdev)
 int r600_uvd_init(struct radeon_device *rdev)
 {
         int i, j, r;
+        /* disable byte swapping */
+        u32 lmi_swap_cntl = 0;
+        u32 mp_swap_cntl = 0;
 
         /* raise clocks while booting up the VCPU */
         radeon_set_uvd_clocks(rdev, 53300, 40000);
@@ -2711,9 +2714,13 @@ int r600_uvd_init(struct radeon_device *rdev)
         WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
                              (1 << 21) | (1 << 9) | (1 << 20));
 
-        /* disable byte swapping */
-        WREG32(UVD_LMI_SWAP_CNTL, 0);
-        WREG32(UVD_MP_SWAP_CNTL, 0);
+#ifdef __BIG_ENDIAN
+        /* swap (8 in 32) RB and IB */
+        lmi_swap_cntl = 0xa;
+        mp_swap_cntl = 0;
+#endif
+        WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
+        WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
 
         WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
         WREG32(UVD_MPC_SET_MUXA1, 0x0);