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Commit c8b26bd1 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/ttm: add TTM_PL_FLAG_CONTIGUOUS v2 



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

v2: use space instead of tab

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarNicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ea642c32

drivers/gpu/drm/ttm/ttm_bo.c

+3 −1
Original line number Diff line number Diff line
@@ -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;

include/drm/ttm/ttm_placement.h

+1 −0
Original line number Diff line number Diff line
@@ -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)