[PATCH v6 02/16] drm/ttm: Expose ttm_tt_unpopulate for driver use

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



It's needed to drop iommu backed pages on device unplug
before device's IOMMU group is released.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
---
 drivers/gpu/drm/ttm/ttm_tt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 539e0232cb3b..dfbe1ea8763f 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -433,3 +433,4 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages)
 	if (!ttm_dma32_pages_limit)
 		ttm_dma32_pages_limit = num_dma32_pages;
 }
+EXPORT_SYMBOL(ttm_tt_unpopulate);
-- 
2.25.1




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux