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Merge tag 'v4.4.5' into linux-linaro-lsk-v4.4
[firefly-linux-kernel-4.4.55.git]
/
include
/
drm
/
drm_cache.h
diff --git
a/include/drm/drm_cache.h
b/include/drm/drm_cache.h
index 7bfb063029d83fe1374e78a174f4a638bc39bc49..461a0558bca4d8d16e81b88e0286e3fa6251ab79 100644
(file)
--- a/
include/drm/drm_cache.h
+++ b/
include/drm/drm_cache.h
@@
-35,4
+35,13
@@
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+static inline bool drm_arch_can_wc_memory(void)
+{
+#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
+ return false;
+#else
+ return true;
+#endif
+}
+
#endif