Am 21.11.20 um 06:21 schrieb Andrey Grodzovsky:
It's needed to drop iommu backed pages on device unplug before device's IOMMU group is released.
It would be cleaner if we could do the whole handling in TTM. I also need to double check what you are doing with this function.
Christian.
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 1ccf1ef..29248a5 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -495,3 +495,4 @@ void ttm_tt_unpopulate(struct ttm_tt *ttm) else ttm_pool_unpopulate(ttm); } +EXPORT_SYMBOL(ttm_tt_unpopulate);
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