drm/exynos: fix imported dma-buf to be mapped

The imported dma-buf should be mapped by sub-system exporting it.

Signed-off-by: Joonyoung Shim <[email protected]>
Signed-off-by: Inki Dae <[email protected]>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 9f688c28fa8e9e9f24afd3b8530be85b8f5fb55e..6c83884f1fe6ba6f2b3ed715efa159c65a835b8a 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -547,6 +547,9 @@ int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 
        obj = vma->vm_private_data;
 
+       if (obj->import_attach)
+               return dma_buf_mmap(obj->dma_buf, vma, 0);
+
        return exynos_drm_gem_mmap_obj(obj, vma);
 }