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 <mperttu...@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);
}
--
2.29.2
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