1 files changed, 11 insertions, 0 deletions
diff --git a/src/radeon_exa.c b/src/radeon_exa.c
index 9c40da79..9df7251e 100644
--- a/src/radeon_exa.c
+++ b/src/radeon_exa.c
@@ -318,6 +318,17 @@ Bool RADEONPrepareAccess_CS(PixmapPtr pPix, int index)
     if (!driver_priv)
       return FALSE;
 
+    if (info->ChipFamily >= CHIP_FAMILY_R600) {
+	uint32_t tiling_flags = 0, pitch = 0;
+
+	ret = radeon_bo_get_tiling(driver_priv->bo, &tiling_flags, &pitch);
+	if (ret)
+	    return FALSE;
+	/* untile in DFS/UTS */
+	if (tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO))
+	    return FALSE;
+    }
+
     /* if we have more refs than just the BO then flush */
     if (radeon_bo_is_referenced_by_cs(driver_priv->bo, info->cs)) {
 	flush = TRUE;