drm/radeon/kms: Use surfaces for scanout / cursor byte swapping on big endian.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index fa0fdc1e3457..737970b43aef 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2235,6 +2235,11 @@ int r100_set_surface_reg(struct radeon_device *rdev, int reg,
                         flags |= R300_SURF_TILE_MICRO;
         }
 
+        if (tiling_flags & RADEON_TILING_SWAP_16BIT)
+                flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
+        if (tiling_flags & RADEON_TILING_SWAP_32BIT)
+                flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
+
         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);