Commit 221004c6 authored by Huacai Chen's avatar Huacai Chen Committed by Dave Airlie

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

Signed-off-by: default avatarHuacai Chen <chenhc@lemote.com>
Cc: stable@vger.kernel.org
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 005e8dad
......@@ -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
......
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