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author | Huacai Chen <chenhc@lemote.com> | 2016-04-19 14:19:11 +0300 |
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committer | Sasha Levin <sasha.levin@oracle.com> | 2016-05-10 19:20:18 +0300 |
commit | 837d4fb351122928fec781a8ff2686fc0d0fe2dc (patch) | |
tree | 6e72ee495ab816a59249d87cf566cc1d398760f6 /include/drm | |
parent | ebaea24c09f7ea15dfb8e010fbf8acef781eefb0 (diff) | |
download | linux-837d4fb351122928fec781a8ff2686fc0d0fe2dc.tar.xz |
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>
Diffstat (limited to 'include/drm')
-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 |