diff options
| author | Mukul Joshi | 2023-04-25 14:11:56 -0400 |
|---|---|---|
| committer | Alex Deucher | 2023-06-09 09:24:43 -0400 |
| commit | 1d74159021e9a4e58c422f0b91e2a6fcb884c54f (patch) | |
| tree | 574b55fd934d6b1ddeea85df1abf785dc4d6080c | |
| parent | 3c4f6507abde5c36e892d63b25296fc6d9b13285 (diff) | |
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 <mukul.joshi@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 6 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_tt.h | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index ab725d9d14a6..feac2f2c736e 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 977ca195a536..a4eff85b1f44 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 <linux/agp_backend.h> |