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Commit f135b978 authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Dave Airlie
Browse files

drm/ttm: recognize ARM64 arch in ioprot handler 



Return proper pgprot for ARM64. This is required for objects like
Nouveau fences to be mapped with expected coherency.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 45b4b782

drivers/gpu/drm/ttm/ttm_bo_util.c

+2 −1
Original line number Diff line number Diff line
@@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) 
	else if (boot_cpu_data.x86 > 3)

		tmp = pgprot_noncached(tmp);

#endif

#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__)

#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \

    defined(__powerpc__)

	if (caching_flags & TTM_PL_FLAG_WC)

		tmp = pgprot_writecombine(tmp);

	else