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-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 882cccdad272..ac6fe40b99f7 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp)
else if (boot_cpu_data.x86 > 3)
tmp = pgprot_noncached(tmp);
#endif
-#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__)
+#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \
+ defined(__powerpc__)
if (caching_flags & TTM_PL_FLAG_WC)
tmp = pgprot_writecombine(tmp);
else