radeon: Fix KMS CP writeback on big endian machines.

This is necessary even with PCI(e) GART, and it makes writeback work even with
AGP on my PowerBook. Might still be unreliable with older revisions of UniNorth
and other AGP bridges though.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Reviewed-by: Alex Deucher <alex.deucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 9e59868d354e..bbcd1dd7bac0 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -79,7 +79,7 @@ static bool radeon_fence_poll_locked(struct radeon_device *rdev)
                         scratch_index = R600_WB_EVENT_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base;
                 else
                         scratch_index = RADEON_WB_SCRATCH_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base;
-                seq = rdev->wb.wb[scratch_index/4];
+                seq = le32_to_cpu(rdev->wb.wb[scratch_index/4]);
         } else
                 seq = RREG32(rdev->fence_drv.scratch_reg);
         if (seq != rdev->fence_drv.last_seq) {