[PATCH] drm: Loongson-3 doesn't fully support wc memory

[Huacai Chen]

Cc: stable at vger.kernel.org

On Tue, Apr 19, 2016 at 9:53 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Tue, Apr 19, 2016 at 7:19 AM, Huacai Chen <chenhc at lemote.com> wrote:
>> Signed-off-by: Huacai Chen <chenhc at lemote.com>
>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>
>> ---
>>  include/drm/drm_cache.h | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
>> index 461a055..cebecff 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
>> --
>> 2.7.0
>>
>>
>>
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