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

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

include/drm/drm_cache.h

+2 −0
Original line number Diff line number Diff line
@@ -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