gpu: nvgpu: Fix/HACK for v3.18

Signed-off-by: Dan Willemsen <dwillemsen@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index e51ce7c5..75de063a 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -550,7 +550,7 @@ int map_gmmu_pages(void *handle, struct sg_table *sgt,
                 *kva = handle;
         } else {
                 pages = (struct page **)handle;
-                *kva = vmap(pages, count, 0, pgprot_dmacoherent(PAGE_KERNEL));
+                *kva = vmap(pages, count, 0, pgprot_writecombine(PAGE_KERNEL));
                 if (!(*kva))
                         return -ENOMEM;
         }