[PATCH v3 17/20] drm/tegra: Set resv fields when importing/exporting GEMs

[Mikko Perttunen]

To allow sharing of implicit fences when exporting/importing dma_buf
objects, set the 'resv' fields when importing or exporting GEM
objects.

Signed-off-by: Mikko Perttunen <mperttunen at nvidia.com>
---
 drivers/gpu/drm/tegra/gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 723df142a981..4a8acd4724bd 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -423,6 +423,7 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
 	}
 
 	bo->gem.import_attach = attach;
+	bo->gem.resv = buf->resv;
 
 	return bo;
 
@@ -675,6 +676,7 @@ struct dma_buf *tegra_gem_prime_export(struct drm_gem_object *gem,
 	exp_info.size = gem->size;
 	exp_info.flags = flags;
 	exp_info.priv = gem;
+	exp_info.resv = gem->resv;
 
 	return drm_gem_dmabuf_export(gem->dev, &exp_info);
 }
-- 
2.28.0