4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------ From: Dave Airlie <airl...@redhat.com> commit 4b0e4e4af6c6dc8354dcb72182d52c1bc55f12fc upstream. Reviewed-by: Christian König <christian.koe...@amd.com> Reviewed-by: Michel Dänzer <michel.daen...@amd.com> Signed-off-by: Dave Airlie <airl...@redhat.com> Signed-off-by: Oded Gabbay <oded.gab...@gmail.com> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> Signed-off-by: Kamal Mostafa <ka...@canonical.com> --- include/drm/drm_cache.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h index 7bfb063..461a055 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 -- 2.7.0