Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ecf6a637 authored by Ken Wang's avatar Ken Wang Committed by Alex Deucher
Browse files

drm/ttm: Add interface to export kernel_zone max memory size in ttm 



Signed-off-by: default avatarKen Wang <Qingqing.Wang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8e9fc800

drivers/gpu/drm/ttm/ttm_memory.c

+6 −0
Original line number Diff line number Diff line
@@ -600,3 +600,9 @@ size_t ttm_round_pot(size_t size) 
	return 0;

}

EXPORT_SYMBOL(ttm_round_pot);



uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob)

{

	return glob->zone_kernel->max_mem;

}

EXPORT_SYMBOL(ttm_get_kernel_zone_memory_size);

include/drm/ttm/ttm_memory.h

+1 −0
Original line number Diff line number Diff line
@@ -155,4 +155,5 @@ extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, 
extern void ttm_mem_global_free_page(struct ttm_mem_global *glob,

				     struct page *page);

extern size_t ttm_round_pot(size_t size);

extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob);

#endif