1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 51a95da694d8..c8886d3071fa 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -391,6 +391,10 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj,
         struct msm_gem_object *msm_obj = to_msm_bo(obj);
         struct msm_gem_vma *vma;
         struct page **pages;
+        int prot = IOMMU_READ;
+
+        if (!(msm_obj->flags & MSM_BO_GPU_READONLY))
+                prot |= IOMMU_WRITE;
 
         WARN_ON(!mutex_is_locked(&msm_obj->lock));
 
@@ -405,8 +409,8 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj,
         if (IS_ERR(pages))
                 return PTR_ERR(pages);
 
-        return msm_gem_map_vma(aspace, vma, msm_obj->sgt,
-                        obj->size >> PAGE_SHIFT);
+        return msm_gem_map_vma(aspace, vma, prot,
+                        msm_obj->sgt, obj->size >> PAGE_SHIFT);
 }
 
 /* get iova and pin it. Should have a matching put */