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drm/ttm: add TTM_PL_FLAG_CONTIGUOUS v2

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This allows drivers to specify if they need a contiguous allocation or not.

v2: use space instead of tab

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-03-29 12:13:54 +02:00 committed by Alex Deucher
parent ea642c3216
commit c8b26bd1d2
2 changed files with 4 additions and 1 deletions
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4
drivers/gpu/drm/ttm/ttm_bo.c
View file

@ -1036,7 +1036,9 @@ static bool ttm_bo_places_compat(const struct ttm_place *places,
*new_flags = heap->flags;
if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
(*new_flags & mem->placement & TTM_PL_MASK_MEM))
(*new_flags & mem->placement & TTM_PL_MASK_MEM) &&
(!(*new_flags & TTM_PL_FLAG_CONTIGUOUS) ||
(mem->placement & TTM_PL_FLAG_CONTIGUOUS)))
return true;
}
return false;

1
include/drm/ttm/ttm_placement.h
View file

@ -63,6 +63,7 @@
#define TTM_PL_FLAG_CACHED (1 << 16)
#define TTM_PL_FLAG_UNCACHED (1 << 17)
#define TTM_PL_FLAG_WC (1 << 18)
#define TTM_PL_FLAG_CONTIGUOUS (1 << 19)
#define TTM_PL_FLAG_NO_EVICT (1 << 21)
#define TTM_PL_FLAG_TOPDOWN (1 << 22)