From 55b19fc75ff325c17d71236866a0cd17152a355c Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Fri, 22 Apr 2016 16:30:48 +0900
Subject: 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
--- 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);
 }
 
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