[PATCH 3/9] drm/tegra: gem: Remove premature import restrictions

[Thierry Reding]

From: Thierry Reding <treding at nvidia.com>

It's not known at import time whether or not all users of a DMA-BUF will
be able to deal with non-contiguous memory. Each user needs to verify at
map-time whether it can access the buffer.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/drm/tegra/gem.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 6dfad56eee2b..bc15b430156d 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -440,13 +440,6 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
 		err = tegra_bo_iommu_map(tegra, bo);
 		if (err < 0)
 			goto detach;
-	} else {
-		if (bo->sgt->nents > 1) {
-			err = -EINVAL;
-			goto detach;
-		}
-
-		bo->iova = sg_dma_address(bo->sgt->sgl);
 	}
 
 	bo->gem.import_attach = attach;
-- 
2.23.0