From: Mukul Joshi Date: Tue, 25 Apr 2023 18:11:56 +0000 (-0400) Subject: drm/ttm: Helper function to get TTM mem limit X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1d74159021e9a4e58c422f0b91e2a6fcb884c54f;p=linux.git drm/ttm: Helper function to get TTM mem limit Add a helper function to get TTM memory limit. This is needed by KFD to set its own internal memory limits. Signed-off-by: Mukul Joshi Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index ab725d9d14a69..feac2f2c736e6 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -450,3 +450,9 @@ ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, return &iter_tt->base; } EXPORT_SYMBOL(ttm_kmap_iter_tt_init); + +unsigned long ttm_tt_pages_limit(void) +{ + return ttm_pages_limit; +} +EXPORT_SYMBOL(ttm_tt_pages_limit); diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 977ca195a5366..a4eff85b1f449 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -222,7 +222,7 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages); struct ttm_kmap_iter *ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, struct ttm_tt *tt); - +unsigned long ttm_tt_pages_limit(void); #if IS_ENABLED(CONFIG_AGP) #include