This is trivial to support since all GEM objects are mapped into kernel
space anyway.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/gem.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index ef853e558036..29913eb9b25d 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -394,6 +394,18 @@ static int tegra_gem_prime_mmap(struct dma_buf *buf, struct vm_area_struct *vma)
return -EINVAL;
}
+static void *tegra_gem_prime_vmap(struct dma_buf *buf)
+{
+ struct drm_gem_object *gem = buf->priv;
+ struct tegra_bo *bo = to_tegra_bo(gem);
+
+ return bo->vaddr;
+}
+
+static void tegra_gem_prime_vunmap(struct dma_buf *buf, void *vaddr)
+{
+}
+
static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = {
.map_dma_buf = tegra_gem_prime_map_dma_buf,
.unmap_dma_buf = tegra_gem_prime_unmap_dma_buf,
@@ -403,6 +415,8 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = {
.kmap = tegra_gem_prime_kmap,
.kunmap = tegra_gem_prime_kunmap,
.mmap = tegra_gem_prime_mmap,
+ .vmap = tegra_gem_prime_vmap,
+ .vunmap = tegra_gem_prime_vunmap,
};
struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,
--
1.8.4.2
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