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 <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 9f688c2..6c83884 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);
 }