From: Ken Wang Date: Wed, 27 Jul 2016 11:12:15 +0000 (+0800) Subject: drm/ttm: Add interface to export kernel_zone max memory size in ttm X-Git-Tag: v4.9-rc1~41^2~35^2~115 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ecf6a637090c8034bc0d843c48905bfa5e2a4e0c;p=karo-tx-linux.git drm/ttm: Add interface to export kernel_zone max memory size in ttm Signed-off-by: Ken Wang Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c index a1803fbcc898..29855be96be0 100644 --- a/drivers/gpu/drm/ttm/ttm_memory.c +++ b/drivers/gpu/drm/ttm/ttm_memory.c @@ -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); diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h index 72dcbe81dd07..c4520890f267 100644 --- a/include/drm/ttm/ttm_memory.h +++ b/include/drm/ttm/ttm_memory.h @@ -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