4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Dave Airlie <[email protected]> commit 4b0e4e4af6c6dc8354dcb72182d52c1bc55f12fc upstream. Reviewed-by: Christian König <[email protected]> Reviewed-by: Michel Dänzer <[email protected]> Signed-off-by: Dave Airlie <[email protected]> Signed-off-by: Oded Gabbay <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h index 7bfb063029d8..461a0558bca4 100644 --- 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
