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| author | Huacai Chen <chenhc@lemote.com> | 2016-04-19 19:19:11 +0800 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-05-10 12:17:32 -0400 |
| commit | b9a11c92d2060b6bafa8babb890d9e711e8b0f5e (patch) | |
| tree | 49fb6cead3d69b200721c1e7e07bc4abcef92152 | |
| parent | 2719d3c05d4c93054e7c5838cc5b1906f72b465e (diff) | |
| download | lwn-b9a11c92d2060b6bafa8babb890d9e711e8b0f5e.tar.gz lwn-b9a11c92d2060b6bafa8babb890d9e711e8b0f5e.zip | |
drm: Loongson-3 doesn't fully support wc memory
[ Upstream commit 221004c66a58949a0f25c937a6789c0839feb530 ]
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | include/drm/drm_cache.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h index 461a0558bca4..cebecff536a3 100644 --- a/include/drm/drm_cache.h +++ b/include/drm/drm_cache.h @@ -39,6 +39,8 @@ static inline bool drm_arch_can_wc_memory(void) { #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE) return false; +#elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3) + return false; #else return true; #endif |